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Middle East Lecture Tour, 2012


  Use of LH in IVF and IUI
Differences between rec-hLH and LH
    Activity in HMG Preparations

       Sandro Esteves, MD, PhD
          Director, ANDROFERT
        Center for Male Reproduction
            Campinas, BRAZIL
What is in it for me?

             Role of LH in Reproductive Cycles
                LH window concept

             To Whom to Give LH Supplementation


             Recent Advances in Injectable
               Gonadotropin Preparations
                Rec-LH Products
                Differences between rec-hLH and LH
                  Activity in HMG Preparations

Esteves, 2
Level of
evidence
                   Individualization of Patient Treatment
                             Lecture Structure
              Points I Consider Highly Relevant in Clinical Practice;
              Arguments Supported by Studies with High Level of Evidence.
             Level                    Type of evidence
              1a   Obtained from meta-analysis of randomised trials
               1b    Obtained from at least one randomised trial
               2a    Obtained from one well-designed controlled study without
                     randomisation
               2b    Obtained from at least one other type of well-designed quasi-
                     experimental study
               3     Obtained from well-designed non-experimental studies
                     (comparative and correlation studies, case series)
               4     Obtained from expert committee reports or opinions or clinical
                     experience of respected authorities

Esteves, 3             Modified from Sackett et al. Oxford Centre for EBM Levels of Evidence (2009)
Use of LH in IVF and IUI
              Differences between rec-hLH and LH
                   Activity in HMG Preparations
                    Review this Lecture at:
             http://www.androfert.com.br/review




Esteves, 4
What is in it for me?

                 Role of LH in Reproductive Cycles



             2   To Whom to Give LH Supplementation




             3
                 Recent Advances in Injectable
                   Gonadotropin Preparations
                    Rec-LH Products
                    Differences between rec-hLH and LH
                      Activity in HMG Preparations

Esteves, 5
• Mild Stimulation
                                                            (low dose rec-hFSH +
                                                            GnRH ant.):
   Promotion of Steroidogenesis                           • 5 oocytes
   (TCs) early FP                                           retrieved;
                                                          • IR = 31%
     • Adequate estrogen production
       • Uterine/endometrial
         changes
                                                            • Conventional
                                                              Stimulation :
   Stimulation of final Follicular
   Maturation (GCs) late FP                                 • 10 oocytes
                                                              retrieved;
                                                            • IR = 29%

                                                                         Verberg et al.
Esteves, 6
Esteves, 6                            Alviggi et al.Hum Reprod Update 2009; 15: 5–12.
                                                     Reprod Biomed Online 2006;12:221.
Hypogonadotropic Hypogonadism
                 Treated with FSH Alone
                       15                    Follicles
             Follicle Size
                (mm) 10                                                      Estradiol
              and FSH            Serum FSH                                    (pg/ml)
                (IU/L)
                        5
                                                         Estradiol levels        100
                                                                                 50
                        0
                             0         5          10          15            20
                                        Days of Stimulation
             Endometrial 9
              Thickness
                   (mm) 0
                    r-hFSH
Esteves, 7
Evidence for LH threshold (1)
                                Rec-hLH suppementation (UI):             0       25       75       225
                                 3000
             Serum Estradiol Levels


                                      2500                                                         225
                                      2000
                   (pmol/L)




                                      1500                                                         75
                                      1000

                                       500
                                                                                                 25
                                         0                                                        0
                                             Day 1           Day 5           Day 10            hCG


                                                            Day of Stimulation

Esteves, 8                                   The European Recombinant Human LH Study Group, JCEM 1998; 83:1507
Evidence for LH threshold (2)
                                                                          0        25       75        225 rLH
             Endometrial Thickeness (mm)                                                                 75
                                           8   Injected rLH        LH Cmax
                                                                                                       225
                                                 dose (UI)
                                           6      75 UI         0.5 – 1.35 UI/L


                                           4
                                                                                                          25
                                           2                                                              0

                                           0
                                               Day 1             Day 5            Day 10             hCG

                                                                 Day of Stimulation

Esteves, 9                                          The European Recombinant Human LH Study Group, JCEM 1998; 83:1507
•   Suppression of GC proliferation
              High     •
                                                                 • Mild Stimulation
                           Follicular atresia (non-dominant follicles) dose rec-hFSH +
                                                                   (low
                       •   Premature luteinization                 GnRH ant.):
                       •   Oocyte development compromised
                                                          • 5 oocytes
                                         CEILING            retrieved;
              Normal


                                                          • IR = 31%
                       • Normal androgen and estrogen biosynthesis
                       • Normal follicular growth and development
                       • Normal oocyte maturation

                                            THRESHOLD          • Conventional
                                                                 Stimulation :
              Low




                       • Insufficient androgen (and estrogen) synthesis
                                                               • 10 oocytes
                       • Follicular growth and maturation impaired
                                                                 retrieved;
                       • Inadequate endometrial proliferation
                                                               • IR = 29%

                                                                                        Verberg et al.
Esteves, 10
Esteves,                                 Balasch J, Fábreques F. Curr Opin Obstet Gynecol 2002, 14:265.
                                                            Hum Reprod Update 2009; 15: 5–12.
Both FSH and LH are essential for normal
              estradiol biosynthesis.
              75 UI recLH is sufficient to promote optimal
              follicular and endometrial growth as well as
              androgen production in most HH patients.
              Evidence suggests that in reproductive cycles
              optimal follicular development occurs within an
              ‘LH window’, above a certain ‘LH threshold’ and
              below an ‘LH ceiling’ (1.2 to ? UI/L).


Esteves, 11
What is in it for me?

              Role of LH in Reproductive Cycles


              To Whom to Give LH Supplementation


              Recent Advances in Injectable
                Gonadotropin Preparations
                 Rec-LH Products
                 Differences between rec-hLH and LH
                   Activity in HMG Preparations

Esteves, 12
Central
                                               Paradigm


                 Maximize                                               Minimize
              beneficial effects                                      complications
                of treatment                                            and risks


                 High-quality                                     Cycle cancellation,
                 oocyte yield                                      OHSS, multiple
                                                                      pregnancy

               Fauser BC et al: Predictors of ovarian response: progress towards individualized treatment in ovulation
Esteves, 13                                     induction and ovarian stimulation. Hum Reprod Update 2008;14:1-14.
Factors Determining Response
    to Ovarian Stimulation

        Demographics and
        anthropometrics (Age,
        BMI, Race)
        Genetic profile
        Cause of Infertility
        Years of Infertility
        Health status
        Nutritional status


Esteves, 14
Level
    1a


              Female Age                     Negative
              Duration of infertility       Predictors
              Basal FSH
              Type of infertility             All reflecting
              Indication                         ovarian
                                                 reserve
              Fertilization method
              Number of oocytes retrieved          Positive
              Number of embryos transferred       Predictor
              Embryo quality
Esteves, 15                   van Loendersloot et al. Hum Reprod Update 2010; 16: 577–589.
Normal
                        • ~80% normogonadotropic women undergoing
                          Ovarian Stimulation1-3



                       • 15-20% of NG women have less sensitive
                         ovaries
                         • Older patients (≥35 years)4
              Low



                         • Poor responders5
                         • Slow/Hypo-responders6
                         • Deeply suppressed endogenous LH levels
                           (endometriosis)7

                   1. Alviggi et al. Reprod Biomed Online 2006;12:221; 2. Tarlatzis et al. Hum Reprod
               2006;21:90; 3. Esteves et al. Reprod Biol Endocrinol 2009;7:111; 4. Marrs et al. Reprod
                Biomed Online 2004;8:175;5. Mochtar MH, Cochrane Database, 2007; 6. Alviggi, et al.
Esteves, 16                   RBMOnline 2009; 7. De Placido et al. Clin Endocrinol (Oxf) 2004;60:637;
Up to 45%
                                                                                                                    Infertility
                                                                                                                     Patients
                                    •   Older patients (≥35 years)                                                 aged 35 or
          Less Sensitive Ovaries
                                    •   Poor responders                                                               above
                                    •   Slow/Hypo-responders
                                    •   Deeply suppressed endogenous LH (endometriosis)

                                            Poor Responders*                                 Hypo/Slow Responders
                                   At least 2 of the following:                         Normal markers of ovarian reserve
                                    Advanced maternal age (≥40 years)                   Hypo-responders:
                                    Previous POR (≤3 oocytes with a                      d1-d7: normal initial follicullar recruitment
                                              conventional stimulation protocol)            using fixed starting dose of FSH; d7-
                                    Abnormal ovarian reserve test (AFC<5;                   d10: plateau on follicullar growth
                                              AMH <1.1)                                     despite continuing same FSH dosage
                                   Or:                                                  Slow responders:
                                    2 episodes of POR after maximal                      High doses of FSH (>3,000UI) to promote
                                              stimulation                                      follicular growth;
                                                                                               May indicate genetic polymorphisms
                                                                                               of LH and/or FSH receptor


                                                                                      Marrs et al. Reprod Biomed Online 2004;8:175
                                    De Placido et al. Clin Endocrinol (Oxf) 2004;60:637; Ferraretti et al. Fertil Steril. 2004; 82:1521-6;
Esteves, 17                                                   Mochtar MH, Cochrane Database, 2007; Alviggi, et al. RBMOnline 2012
Theca cells
                             Increase in          LH
                             LH drive

                                                  LH
                                                          Granulosa
                            Increase in                   cells
                            FSH drive        FSH


                 Increasing the        Number        % Cycle    Pregnancy
   Level      Stimulation Dose of      oocytes     cancellation    rates
    1b               FSH…             retrieved
                   Manzi et al, 1994 …is not associated with better
                  Klinkert et al, 2004       IVF outcome
               Berkkanoglu & Ozgur,
                                  2010
Esteves, 18
Reduced oocyte quality
          Less Sensitive Ovaries

                                                                     Reduced Fertilization Rate

                                                                      Reduced Embryo Quality

                                                                     Increase Miscarriage Rates
                                                                                   Westergaard et al., 2000; Esposito et
                                                                                       al., 2001; Humaidan et al., 2002


                                    Reduced                            Androgen               Decreased              Reduced
                                     ovarian      LH receptor                                                            LH
                                                                       secretory              numbers of
                                    paracrine        poly-                                                           bioactivity
                                                                        capacity               functional
                                     activity     morphisms                                                             while
                                                                        reduced                   LH
                                                                                               receptors              imnuno-
                                                                    • Piltonen et al.,
                                                                                                                     reactivity
                                   Hurwitz &      Alviggi et al.,                                                   unchanged
                                   Santoro 2004   2006               2003
                                                                                            • Vihko et al. 1996
                                                                                                                   • Mitchell et al.
                                                                                                                    1995; Marama et
                                                                                                                    al 1984
Esteves, 19
Level             LH Supplementation in Poor
    1a                     Responders…
                                                                                       Effect on
                                         Regimen              Outcome
                                                                                      Pregnancy
              Mochtar et al, 2007
                                      r-hFSH+rLH vs.                                  OR 1.85
              3 RCT (N=310)                                      OPR
                                       r-hFSH alone*                              (95% CI: 1.10; 3.11)
              Poor responders
                                                                 CPR                  RD: +6%,
              Bosdou et al, 2012      r-hFSH+rLH vs.                             (95% CI: -0.3; +13.0)
              7 RCT (N= 603)           r-hFSH alone*
              Poor responders                                   LBR                 RD: +19%
                                                            (only 1 RCT)       (95% CI: +1.0; +36.0%)

              Hill et al, 2012
                                      r-hFSH+rLH vs.
              7 RCT (N=902)                                                            OR 1.37
                                        r-hFSH alone             CPR
              Women advanced                                                      (95% CI: 1.03; 1.83)
              age ≥35 yrs.

                                                  *long GnRH-a protocol; OR=odds-ratio; RD=risk difference


                        Mochtar MH et al. Cochrane Database Syst Rev. 2007;2:CD005070; Bosdou JK et al,
Esteves, 20                Hum Reprod Update 2012; 8(2):127-45. Hill MJ et al. Fertil Steril 2012; 97:1108-4.
Action of LH at the follicular level that increases
androgen production for its later aromatization to
estrogens in a dose dependent manner may
restore the follicular milieu in these patients to
recover oocyte quality and, therefore, embryo
quality and implantation rates.




                        Jamnongjit M et al. PNAS 2005;102:16257-16262
Level               LH Supplementation in
    1b
                      Hypo/Slow Responders (1)
              • RCT 260 pts with “steady” response on COS D8
                    (E2 <180pg/mL; >6 follicles <10mm)
              • 3 groups:

                       Mean No. oocytes retrieved         IR (%)         OPR (%)

                                                                                   40
                                                     32
                             22
                                                                            18
                                             14
                       10               9                           11
                  6

              FSH step-up (+150 UI) LH supplementation          Normal Responders
                                         (+150 UI)

Esteves, 22                                       De Placido et al. Hum Reprod. 2004; 20: 390-6.
Level
    1b                 LH Supplementation in
                      Hypo/Slow Responders (2)
              • RCT
              • 126 pts. follicular stagnation during d7-d10 COS
              • 4 groups:
                            Mean No. oocytes retrieved          LBR (%)
                                         41                                           37
                       22                                  18
                  8                 11             11                        10


               increase in r-     increase in r- increase in r-              controls
                hFSH dose        hFSH dose + r- hFSH dose + LH
               (max. 450UI)     hLH (75-150UI) supplementation
                                supplementation    with HMG

Esteves, 23                                       Ferraretti et al. Fertil Steril. 2004; 82: 1521-6.
Level                 LH Supplementation in
    1b                        OI and IUI
              LH levels 1.2 UI/L (WHO group I)
               Higher follicular development pts. receiving LH (67% vs 20%;
                  p=0.02): Shoham et al., 2008.
               Similar follicular development HMG vs FSH+rLH; higher
                  cumulative PR after 3 cycles in FSH+LH (56% vs 23%; p=0.01):
                  Carone et al., 2012.

              WHO group II
               Clomiphene-resistant: fewer intermediate-sized follicles and OHSS in
                 LH-supl. vs FSH group; similar ovulation rate (Plateau, 2006);
               Previous over-response: higher monofollicular development in LH group
                 (32% vs 13%; p=0.04): Hughes et al., 2005;
               IUI: higher monofollicular development in LH group without
                 intermediate-size (42% vs 11%; p=0.03); lower cycle cancellation due
                 to risk OHSS (-7% difference): Segnella et al., 2011.
Esteves, 24
What is the optimal LH
                 supplementation protocol?
               Existing studies give us some clues but the
                optimal LH protocol has yet to be established
                  How much LH should be used?
                  Should the dose be fixed or flexible?
                  At what stage of the cycle should LH be
                   administered?
                  Is LH needed in a GnRH antagonist Protocol?

                        FSH
                    LH

                 2:1?          1:1?         Fixed?        Mimic of
                                                     natural LH levels?
Esteves, 25
Level
                            Is LH needed in a GnRH
    1a
                              antagonist Protocol?
               Unselected women undergoing COS;
               r-hFSH+r-hLH vs. r-hFSH alone in antagonist cycles
                                       Mochtar et al.        Kolibianakis et al.         Baruffi et al.
                                       3 RCT (N=216)          2 RCT (N=176)             5 RCT (N= 434)
                Estradiol on              WMD 571                      -                   WMD 514
               hCG day (pg/ml)         (95% CI 259; 882)                                (95% CI 368; 660)
                 No. retrieved           WMD 0.50                                          WMD 0.41
                                                                       -
                   oocytes            (95% CI -0.68; 1.68)                              (95% CI -0.44; 1.3)
                                          †OR 0.79                *OR 0.86                  †OR 0.89
                  CPR†/LBR*
                                      (95% CI: 0.26; 2.43)    (95% CI: 0.04; 1.85)      (95% CI: 0.57; 1.39)
                                                                           WMD weight mean difference



              Mochtar MH et al. Cochrane Database Syst Rev. 2007;2:CD005070; Kolibianakis et al, Hum Reprod
                                Update. 2007;13:445-52; Baruffi RL et al, Reprod Biomed Online. 2007;14:14-25.
Esteves, 26
Level             Is LH needed in a GnRH
    1b                 antagonist Protocol?
              RCT; 292 NG women aged 36-39; Fixed (D6) antagonist COH protocol

                                                     rFSH         rFSH + rLH
                  P= 0.027
                         68%
                  61%                     OR=1.49
                                                                    OR=1.56
                                        95% CI 0.93-2.38
                                                                  95% CI 1.04-2.33
                                                 33%
                                         25%                                    27%
                                                                     19%



                     %2PN               Ongoing PR                  Implantation


                 Yes, for women aged >35 yo
Esteves, 27                                         Bosch et al. Fertil Steril. 2011; 95:1031-6.
Women with less sensitive ovaries (ovarian aging) have poorer
               IVF outcomes.
              Androgen secretory capacity decreases with ovarian ageing.
                Mechanisms include decreased number of functional LH
                receptors and ovarian paracrine activity resulting in reduced
                LH bioactivity. LH-r polymorphisms possibly involved in hypo-
                responders.
              LH supplementation to COS is an evidence-based strategy to
                maximize pregnancy results.
              4 subgroups benefit of LH supplementation in COS:
                 Poor responders
                 Slow/hypo-responders
                 Age >35 years
                 Deeply suppressed endogenous LH levels
Esteves, 28
3 subgroups clearly benefit of LH supplementation in
              OI and IUI:
                 WHO group I anovulation
                 WHO group II clomiphene resistant
                 WHO group II with previous over-response to OS

              Other potential indications include:
               Poor responders
               Slow/hypo-responders
               Age >35 years
               Deeply suppressed endogenous LH levels




Esteves, 29
What is in it for me?

              Role of LH in Reproductive Cycles


              To Whom to Give LH Supplementation


              Recent Advances in Injectable
                Gonadotropin Preparations
                 Rec-LH Products
                 Differences between rec-hLH and LH
                   Activity in HMG Preparations

Esteves, 30
r-hFSH         Long-
                                                                    FbM r-hFSH acting
                                                  u-FSH HP               +r-hLH r-hFSH;
                          Pituitary                     r-hFSH            FbM
                                              u-FSH
                            FSH                               r-hLH
                                      u-hMG
                                                                                               Puriity
                  Horse                                                                         and
                                                                          Safety, Quality,
                  PMSG                                                                        Specific
                                                                  Consistency and Patient
                                                                                              Activity
                                                                            Convenience

               1930s       1950       1962     1980 1993 1995 2000 2003 2007               2010



                Intramuscular administration                 sc                 Injector
                                                                                pens

              sc, subcutaneous; FbM, filled by Mass; HP, highly-purified


Esteves, 31
                                              Adapted from Lunenfeld. Hum Reprod Update 2004;10:453–67
*
              Launched in Germany, 2007




                              *Pergoveris™: rec-hFSH (150 UI) + rec-hLH (75 UI);
                               Bosch et al. Expert Opin Biol Ther 2010;10:1001-9.
Esteves, 32
• Same injection device
                design for all
                gonadotropins;
              • Color-coded for
                differentiation;
              • Pre-filled, ready-to-
                use family of pens for
                fertility treatment.

Esteves, 33
Conventional                      FbM: Novel
                   Bioassay                       analitycal method

                              High
                                                     Protein content by
              Rat ovary                              mass
               weight       variability
                gain                                    Minimal batch-to-
                                                        batch variability
                                                        (1.6%)




               Urinary gonadotropins
                  Follitropin beta                  Follitropin alfa and rec-hLH
                                          Bassett et al. Reprod Biomed Online 2005;10:169–177;
Esteves, 34                                 Driebergen et al. Curr Med Res Opin 2003;19:41–46.
Alfa Unit            Beta unit              Carboxyl terminal
                                                             (biological action             segment
                                                               and receptor            (determines half-life)
                                                                  affinity)
                                    LH        92 AA;               121 AA              Absent; half life of 20’
                                   hCG    Identical to LH          144 AA               Present; half-life of
                                                            Higher receptor affinity          24h

                                             Purity                 FSH                     LH activity
                                          (LH content)        activity (IU/vial)             (IU/vial)

                               Rec-hLH        >99%                     0                         75
                     Rec-hLH + rec-hFSH       >99%                   150                         75
                               hMG-HP      Unknown*                   75                         75*

                *derives primarily from the hCG component, which preferentially is
              concentrated during the purification process and sometimes was added
                    to achieve the desired amount of LH-like biological activity.
Esteves, 35                                   ASRM Practice Committee. Fertil Steril. 2008; 90:S13-20.
Level
    2a

               • Matched case-control study;
               • N=4,719 pts.; long GnRH-a protocol
               • 3 groups
              35
              30   P=0.02                                         Duration of
                            31                                    Stimulation (days)
              25
                                         26             25        Mean No. oocytes
              20                                                  retrieved
              15
                                                                  IR (%)
              10
               5                                                  CPR per transfer
                                                                  (%)
               0
                   2:1 r-hFSH+r-   HMG         rec-hFSH +
                        hLH                       HMG
Esteves, 36                         Buhler KF, Fisher R. Gynecol Endocrinol 2011; 1-6.
Level
    1a

              Lower expression of LH/hCG receptor gene as well
              as genes involved in in biosynthesis of cholesterol
              and steroids in granulosa cells in pts. treated with
              HMG preparations
                    May reflect down-regulation of LH receptors, as shown in animals:
                                     Caused by a constant ligand exposure during the follicular
                                     phase due to longer half life and higher binding affinity of
                                     hCG to LHr
                         May explain the observed lower progesterone levels:
                                     Caused by lower LH-induced cholesterol uptake, a decrease in
                                     the novo cholesterol synthesis and a decrease in steroid
                                     synthesis.

                 Trinchard-Lugan I et al. Reprod Biomed Online 2002; 4:106-115; Menon KM et al. Biol Reprod
Esteves, 37
                                          2004; 70:861-866; Grondal ML et al. Fertil Steril 2009; 91: 1820-1830.
Recombinants vs Urinary products

              Recombinant LH preparations have 3 major
                 differences compared to urinary products:
                 Higher purity and specific activity (SC delivery in
                          very small volumes))
                 Higher dose precision (FbM)
                 LH activity in u-HMG is hCG dependent:
                       hCG is concentrated during purification or added to
                            achieve the desired amount of LH-like biological activity;
                       hCG has higher half-life and biological activity compared to
                            rec-hLH.

Esteves, 38
Differences between rec-hLH and LH
                         Activity in HMG Preparations
               Lower expression of LH receptor gene
                in pts. treated with HMG (LH-r down-
                regulation).
               Preparations used for COS are
                important for granulosa cell function and
                may influence the developmental
                competence of the oocyte and the
                function of corpus luteum.

Esteves, 39
Use of LH in IVF and IUI
                   Progesterone Issues




                                         Supplementary Material
Esteves, 41
Steroidogenesis During Normal
               Follicular Phase and Following COS




              The expression of LH-R (GCs) is linked to the synthesis of
                progesterone during COS.
              Levels of LH-R and progesterone synthesis vary depending on
                the hormones used during the stimulation protocol.
Esteves, 42                Steroidogenesis Consensus Meeting III, Copenhagen, Denmark, May 2011.
Steroidogenesis in COS




              Endogenous LH then results in higher levels of progesterone
              synthesis following treatment with FSH than hMG:
                      higher levels of LHR expressed on granulosa cells and
                      increased number of granulosa cells.
Esteves, 43                 Steroidogenesis Consensus Meeting III, Copenhagen, Denmark, May 2011.
Level
     1a        Progesterone on the Day of hCG
              and Probability of Pregnancy in IVF
                     Progesterone Elevation x No Progesterone Elevation
                                         Venetis et al, 2007                         Kolibianakis et al, 2012
                GnRH             Agonists                     Antagonists                  Antagonists
               analogue          n = 2,624                      n = 109                      n = 109
                                  OR: 0.86                       OR: 0.57                    WMD: -9%
                 CPR          (95% CI: 0.59; 1.25)           (95% CI: 0.09; 3.56)          (95% CI: -17; -2)

              E2 levels on
                                              WMD: 413.06                                    WMD: 956
               the day of                  (95% CI: 240.14; 585.99)                       (95% CI 248; 1664)
              hCG (pg/mL)
               Number of
                                WMD: +2.96                      WMD: 0.00                    WMD: +2.9
                retrieved    (95% CI: +1.74; +4.18)         (95% CI: -2.98; +2.99)        (95% CI: +1.5; +4.4)
                 oocytes


                                  heterogeneity of the studies included;
                                  arbitrary serum progesterone threshold values
                                                             Venetis et al, Hum Reprod Update. 2007;13:343-55;
Esteves, 44                                           Kolibianakis et al, Curr Pharm Biotechnol. 2012;13:464-70.
Level
    2b         Progesterone on the Day of hCG
              and Probability of Pregnancy in IVF
              Bosch et al. 2010 (N=4,032)
              OPR: inversely associated with serum P levels on the day of hCG irrespective
              of the GnRH analogue: CUT-OFF: 1.5 ng/mL
              Serum P levels ≤1.5 ng/ml: ↑OPR
              31% versus 19.1%; P = 0.00006;
              OR: 0.53 (95% CI, 0.38 – 0.72)

                                                positively
              FSH dose
                                               associated
              No. oocytes                      with P levels
              Estradiol (day of hCG)         (P < 0.0001 for
                                                   all).
              Serum P levels:
              agonists: 0.84 ± 0.67 vs antagonists: 0.75 ± 0.66 (P = 0.0003)

Esteves, 45                                                    Bosch et al. Hum Reprod. 2010; 25(8):2092-100.
Level
                      Progesterone on the Day of hCG
     2b
                     and Probability of Pregnancy in IVF
                     Xu et al, 2012 (N=11,055 long agonist protocol)
                     For fresh cycles, OPR inversely associated with serum P levels on hCG day

                     FSH dose
                                                  Positively
                     No. oocytes                 associated
                                                 with P levels                         ■ Fresh
                     Estradiol (day of hCG)
                                                                                       ■ FET
                                               Serum P
           Ovarian         Number of
                                              threshold
          response          oocytes
                                               (ng/mL)
              Poor              ≤4               1.5
         Intermediate         5-19              1.75
              High             ≥20              2.25


                                                                   Xu et al. Fertil Steril 2012;97:1321–7.
Esteves, 46
Progesterone on the Day of hCG
              and Probability of Pregnancy in IVF
                The rise in progesterone levels seen during COS for
               IVF/ICSI cycles cannot be explained by luteinization of
                                  granulosa cells
                                                                               Conversion
                FSH activity                 Granulosa                       of cholesterol to
                                                 cell                          progesterone


                        LH                                                      Conversion
                                                 Teca
                   bioactivity                                                 of progesterone
                                                  cell
                                                                                to androgens

                FSH dose,  number of follicles and rec-hFSH (x HMG):
                            correlation to P increase on hCG day

                                                              Bosch et al. Hum Reprod. 2010;25:2092-100;
Esteves, 47             Xu et al. Fertil Steril 2012;97:1321–7; Smitz J et al. Hum Reprod 2007;22:676–87.
LevelsProgesterone on the Day of hCG
  2b, 3 and Probability of Pregnancy in IVF




              Hofmann et al, Fertil Steril. 1993;60:675-9; Xu et al. Fertil Steril 2012;97:1321–7; Huang et al.
                               Fertil Steril 2012; 98:664–70; Melo et al. Hum Reprod 2006; 21:1503–1507.
Esteves, 48
Serum Progesterone and IVF Outcome
Most circulating P4 (95%) is produced in the intrafollicular
compartment by the granulosa cells;
Intrafollicular P4 and Hydroxi-progesterone are terminal
products and cannot be converted to estradiol by GCs
under the effect of LH/hCG activity contained in hMG, due to
lack of expression of an hydrogenase and P450-17α needed
for this pathway;
Higher serum Progesterone increments are related with
more follicles developed and more oocytes retrieved and it’s
effect in pregnancy still controversial. Increments up to
>7nmol/L seems not to affect clinical pregnancy rates.
Serum Progesterone and IVF Outcome
               Treatment with FSH results in higher levels of
                progesterone than treatment with hMG.
               A large number of developing follicles leads to
                increased levels of progesterone.
               The higher the level of LH present, the higher the
                level of progesterone.
               The effect of high progesterone levels at the time
                of hCG administration on pregnancy outcome is
                still controversial. Further detailed analyses are
                required to understand why, when and how much
                progesterone is detrimental for implantation rates.


Esteves, 50
Use of LH in IVF and IUI
Use of LH in IVF and IUI
Use of LH in IVF and IUI

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Use of LH in IVF and IUI

  • 1. Middle East Lecture Tour, 2012 Use of LH in IVF and IUI Differences between rec-hLH and LH Activity in HMG Preparations Sandro Esteves, MD, PhD Director, ANDROFERT Center for Male Reproduction Campinas, BRAZIL
  • 2. What is in it for me? Role of LH in Reproductive Cycles  LH window concept To Whom to Give LH Supplementation Recent Advances in Injectable Gonadotropin Preparations  Rec-LH Products  Differences between rec-hLH and LH Activity in HMG Preparations Esteves, 2
  • 3. Level of evidence Individualization of Patient Treatment Lecture Structure  Points I Consider Highly Relevant in Clinical Practice;  Arguments Supported by Studies with High Level of Evidence. Level Type of evidence 1a Obtained from meta-analysis of randomised trials 1b Obtained from at least one randomised trial 2a Obtained from one well-designed controlled study without randomisation 2b Obtained from at least one other type of well-designed quasi- experimental study 3 Obtained from well-designed non-experimental studies (comparative and correlation studies, case series) 4 Obtained from expert committee reports or opinions or clinical experience of respected authorities Esteves, 3 Modified from Sackett et al. Oxford Centre for EBM Levels of Evidence (2009)
  • 4. Use of LH in IVF and IUI Differences between rec-hLH and LH Activity in HMG Preparations Review this Lecture at: http://www.androfert.com.br/review Esteves, 4
  • 5. What is in it for me? Role of LH in Reproductive Cycles 2 To Whom to Give LH Supplementation 3 Recent Advances in Injectable Gonadotropin Preparations  Rec-LH Products  Differences between rec-hLH and LH Activity in HMG Preparations Esteves, 5
  • 6. • Mild Stimulation (low dose rec-hFSH + GnRH ant.): Promotion of Steroidogenesis • 5 oocytes (TCs) early FP retrieved; • IR = 31% • Adequate estrogen production • Uterine/endometrial changes • Conventional Stimulation : Stimulation of final Follicular Maturation (GCs) late FP • 10 oocytes retrieved; • IR = 29% Verberg et al. Esteves, 6 Esteves, 6 Alviggi et al.Hum Reprod Update 2009; 15: 5–12. Reprod Biomed Online 2006;12:221.
  • 7. Hypogonadotropic Hypogonadism Treated with FSH Alone 15 Follicles Follicle Size (mm) 10 Estradiol and FSH Serum FSH (pg/ml) (IU/L) 5 Estradiol levels 100 50 0 0 5 10 15 20 Days of Stimulation Endometrial 9 Thickness (mm) 0 r-hFSH Esteves, 7
  • 8. Evidence for LH threshold (1) Rec-hLH suppementation (UI): 0 25 75 225 3000 Serum Estradiol Levels 2500 225 2000 (pmol/L) 1500 75 1000 500 25 0 0 Day 1 Day 5 Day 10 hCG Day of Stimulation Esteves, 8 The European Recombinant Human LH Study Group, JCEM 1998; 83:1507
  • 9. Evidence for LH threshold (2) 0 25 75 225 rLH Endometrial Thickeness (mm) 75 8 Injected rLH LH Cmax 225 dose (UI) 6 75 UI 0.5 – 1.35 UI/L 4 25 2 0 0 Day 1 Day 5 Day 10 hCG Day of Stimulation Esteves, 9 The European Recombinant Human LH Study Group, JCEM 1998; 83:1507
  • 10. Suppression of GC proliferation High • • Mild Stimulation Follicular atresia (non-dominant follicles) dose rec-hFSH + (low • Premature luteinization GnRH ant.): • Oocyte development compromised • 5 oocytes CEILING retrieved; Normal • IR = 31% • Normal androgen and estrogen biosynthesis • Normal follicular growth and development • Normal oocyte maturation THRESHOLD • Conventional Stimulation : Low • Insufficient androgen (and estrogen) synthesis • 10 oocytes • Follicular growth and maturation impaired retrieved; • Inadequate endometrial proliferation • IR = 29% Verberg et al. Esteves, 10 Esteves, Balasch J, Fábreques F. Curr Opin Obstet Gynecol 2002, 14:265. Hum Reprod Update 2009; 15: 5–12.
  • 11. Both FSH and LH are essential for normal estradiol biosynthesis. 75 UI recLH is sufficient to promote optimal follicular and endometrial growth as well as androgen production in most HH patients. Evidence suggests that in reproductive cycles optimal follicular development occurs within an ‘LH window’, above a certain ‘LH threshold’ and below an ‘LH ceiling’ (1.2 to ? UI/L). Esteves, 11
  • 12. What is in it for me? Role of LH in Reproductive Cycles To Whom to Give LH Supplementation Recent Advances in Injectable Gonadotropin Preparations  Rec-LH Products  Differences between rec-hLH and LH Activity in HMG Preparations Esteves, 12
  • 13. Central Paradigm Maximize Minimize beneficial effects complications of treatment and risks High-quality Cycle cancellation, oocyte yield OHSS, multiple pregnancy Fauser BC et al: Predictors of ovarian response: progress towards individualized treatment in ovulation Esteves, 13 induction and ovarian stimulation. Hum Reprod Update 2008;14:1-14.
  • 14. Factors Determining Response to Ovarian Stimulation  Demographics and anthropometrics (Age, BMI, Race)  Genetic profile  Cause of Infertility  Years of Infertility  Health status  Nutritional status Esteves, 14
  • 15. Level 1a Female Age Negative Duration of infertility Predictors Basal FSH Type of infertility All reflecting Indication ovarian reserve Fertilization method Number of oocytes retrieved Positive Number of embryos transferred Predictor Embryo quality Esteves, 15 van Loendersloot et al. Hum Reprod Update 2010; 16: 577–589.
  • 16. Normal • ~80% normogonadotropic women undergoing Ovarian Stimulation1-3 • 15-20% of NG women have less sensitive ovaries • Older patients (≥35 years)4 Low • Poor responders5 • Slow/Hypo-responders6 • Deeply suppressed endogenous LH levels (endometriosis)7 1. Alviggi et al. Reprod Biomed Online 2006;12:221; 2. Tarlatzis et al. Hum Reprod 2006;21:90; 3. Esteves et al. Reprod Biol Endocrinol 2009;7:111; 4. Marrs et al. Reprod Biomed Online 2004;8:175;5. Mochtar MH, Cochrane Database, 2007; 6. Alviggi, et al. Esteves, 16 RBMOnline 2009; 7. De Placido et al. Clin Endocrinol (Oxf) 2004;60:637;
  • 17. Up to 45% Infertility Patients • Older patients (≥35 years) aged 35 or Less Sensitive Ovaries • Poor responders above • Slow/Hypo-responders • Deeply suppressed endogenous LH (endometriosis) Poor Responders* Hypo/Slow Responders At least 2 of the following: Normal markers of ovarian reserve Advanced maternal age (≥40 years) Hypo-responders: Previous POR (≤3 oocytes with a d1-d7: normal initial follicullar recruitment conventional stimulation protocol) using fixed starting dose of FSH; d7- Abnormal ovarian reserve test (AFC<5; d10: plateau on follicullar growth AMH <1.1) despite continuing same FSH dosage Or: Slow responders: 2 episodes of POR after maximal High doses of FSH (>3,000UI) to promote stimulation follicular growth; May indicate genetic polymorphisms of LH and/or FSH receptor Marrs et al. Reprod Biomed Online 2004;8:175 De Placido et al. Clin Endocrinol (Oxf) 2004;60:637; Ferraretti et al. Fertil Steril. 2004; 82:1521-6; Esteves, 17 Mochtar MH, Cochrane Database, 2007; Alviggi, et al. RBMOnline 2012
  • 18. Theca cells Increase in LH LH drive LH Granulosa Increase in cells FSH drive FSH Increasing the Number % Cycle Pregnancy Level Stimulation Dose of oocytes cancellation rates 1b FSH… retrieved Manzi et al, 1994 …is not associated with better Klinkert et al, 2004 IVF outcome Berkkanoglu & Ozgur, 2010 Esteves, 18
  • 19. Reduced oocyte quality Less Sensitive Ovaries Reduced Fertilization Rate Reduced Embryo Quality Increase Miscarriage Rates Westergaard et al., 2000; Esposito et al., 2001; Humaidan et al., 2002 Reduced Androgen Decreased Reduced ovarian LH receptor LH secretory numbers of paracrine poly- bioactivity capacity functional activity morphisms while reduced LH receptors imnuno- • Piltonen et al., reactivity Hurwitz & Alviggi et al., unchanged Santoro 2004 2006 2003 • Vihko et al. 1996 • Mitchell et al. 1995; Marama et al 1984 Esteves, 19
  • 20. Level LH Supplementation in Poor 1a Responders… Effect on Regimen Outcome Pregnancy Mochtar et al, 2007 r-hFSH+rLH vs. OR 1.85 3 RCT (N=310) OPR r-hFSH alone* (95% CI: 1.10; 3.11) Poor responders CPR RD: +6%, Bosdou et al, 2012 r-hFSH+rLH vs. (95% CI: -0.3; +13.0) 7 RCT (N= 603) r-hFSH alone* Poor responders LBR RD: +19% (only 1 RCT) (95% CI: +1.0; +36.0%) Hill et al, 2012 r-hFSH+rLH vs. 7 RCT (N=902) OR 1.37 r-hFSH alone CPR Women advanced (95% CI: 1.03; 1.83) age ≥35 yrs. *long GnRH-a protocol; OR=odds-ratio; RD=risk difference Mochtar MH et al. Cochrane Database Syst Rev. 2007;2:CD005070; Bosdou JK et al, Esteves, 20 Hum Reprod Update 2012; 8(2):127-45. Hill MJ et al. Fertil Steril 2012; 97:1108-4.
  • 21. Action of LH at the follicular level that increases androgen production for its later aromatization to estrogens in a dose dependent manner may restore the follicular milieu in these patients to recover oocyte quality and, therefore, embryo quality and implantation rates. Jamnongjit M et al. PNAS 2005;102:16257-16262
  • 22. Level LH Supplementation in 1b Hypo/Slow Responders (1) • RCT 260 pts with “steady” response on COS D8 (E2 <180pg/mL; >6 follicles <10mm) • 3 groups: Mean No. oocytes retrieved IR (%) OPR (%) 40 32 22 18 14 10 9 11 6 FSH step-up (+150 UI) LH supplementation Normal Responders (+150 UI) Esteves, 22 De Placido et al. Hum Reprod. 2004; 20: 390-6.
  • 23. Level 1b LH Supplementation in Hypo/Slow Responders (2) • RCT • 126 pts. follicular stagnation during d7-d10 COS • 4 groups: Mean No. oocytes retrieved LBR (%) 41 37 22 18 8 11 11 10 increase in r- increase in r- increase in r- controls hFSH dose hFSH dose + r- hFSH dose + LH (max. 450UI) hLH (75-150UI) supplementation supplementation with HMG Esteves, 23 Ferraretti et al. Fertil Steril. 2004; 82: 1521-6.
  • 24. Level LH Supplementation in 1b OI and IUI LH levels 1.2 UI/L (WHO group I) Higher follicular development pts. receiving LH (67% vs 20%; p=0.02): Shoham et al., 2008. Similar follicular development HMG vs FSH+rLH; higher cumulative PR after 3 cycles in FSH+LH (56% vs 23%; p=0.01): Carone et al., 2012. WHO group II Clomiphene-resistant: fewer intermediate-sized follicles and OHSS in LH-supl. vs FSH group; similar ovulation rate (Plateau, 2006); Previous over-response: higher monofollicular development in LH group (32% vs 13%; p=0.04): Hughes et al., 2005; IUI: higher monofollicular development in LH group without intermediate-size (42% vs 11%; p=0.03); lower cycle cancellation due to risk OHSS (-7% difference): Segnella et al., 2011. Esteves, 24
  • 25. What is the optimal LH supplementation protocol?  Existing studies give us some clues but the optimal LH protocol has yet to be established  How much LH should be used?  Should the dose be fixed or flexible?  At what stage of the cycle should LH be administered?  Is LH needed in a GnRH antagonist Protocol? FSH LH 2:1? 1:1? Fixed? Mimic of natural LH levels? Esteves, 25
  • 26. Level Is LH needed in a GnRH 1a antagonist Protocol? Unselected women undergoing COS; r-hFSH+r-hLH vs. r-hFSH alone in antagonist cycles Mochtar et al. Kolibianakis et al. Baruffi et al. 3 RCT (N=216) 2 RCT (N=176) 5 RCT (N= 434) Estradiol on WMD 571 - WMD 514 hCG day (pg/ml) (95% CI 259; 882) (95% CI 368; 660) No. retrieved WMD 0.50 WMD 0.41 - oocytes (95% CI -0.68; 1.68) (95% CI -0.44; 1.3) †OR 0.79 *OR 0.86 †OR 0.89 CPR†/LBR* (95% CI: 0.26; 2.43) (95% CI: 0.04; 1.85) (95% CI: 0.57; 1.39) WMD weight mean difference Mochtar MH et al. Cochrane Database Syst Rev. 2007;2:CD005070; Kolibianakis et al, Hum Reprod Update. 2007;13:445-52; Baruffi RL et al, Reprod Biomed Online. 2007;14:14-25. Esteves, 26
  • 27. Level Is LH needed in a GnRH 1b antagonist Protocol? RCT; 292 NG women aged 36-39; Fixed (D6) antagonist COH protocol rFSH rFSH + rLH P= 0.027 68% 61% OR=1.49 OR=1.56 95% CI 0.93-2.38 95% CI 1.04-2.33 33% 25% 27% 19% %2PN Ongoing PR Implantation Yes, for women aged >35 yo Esteves, 27 Bosch et al. Fertil Steril. 2011; 95:1031-6.
  • 28. Women with less sensitive ovaries (ovarian aging) have poorer IVF outcomes. Androgen secretory capacity decreases with ovarian ageing. Mechanisms include decreased number of functional LH receptors and ovarian paracrine activity resulting in reduced LH bioactivity. LH-r polymorphisms possibly involved in hypo- responders. LH supplementation to COS is an evidence-based strategy to maximize pregnancy results. 4 subgroups benefit of LH supplementation in COS:  Poor responders  Slow/hypo-responders  Age >35 years  Deeply suppressed endogenous LH levels Esteves, 28
  • 29. 3 subgroups clearly benefit of LH supplementation in OI and IUI:  WHO group I anovulation  WHO group II clomiphene resistant  WHO group II with previous over-response to OS Other potential indications include: Poor responders Slow/hypo-responders Age >35 years Deeply suppressed endogenous LH levels Esteves, 29
  • 30. What is in it for me? Role of LH in Reproductive Cycles To Whom to Give LH Supplementation Recent Advances in Injectable Gonadotropin Preparations  Rec-LH Products  Differences between rec-hLH and LH Activity in HMG Preparations Esteves, 30
  • 31. r-hFSH Long- FbM r-hFSH acting u-FSH HP +r-hLH r-hFSH; Pituitary r-hFSH FbM u-FSH FSH r-hLH u-hMG Puriity Horse and Safety, Quality, PMSG Specific Consistency and Patient Activity Convenience 1930s 1950 1962 1980 1993 1995 2000 2003 2007 2010 Intramuscular administration sc Injector pens sc, subcutaneous; FbM, filled by Mass; HP, highly-purified Esteves, 31 Adapted from Lunenfeld. Hum Reprod Update 2004;10:453–67
  • 32. * Launched in Germany, 2007 *Pergoveris™: rec-hFSH (150 UI) + rec-hLH (75 UI); Bosch et al. Expert Opin Biol Ther 2010;10:1001-9. Esteves, 32
  • 33. • Same injection device design for all gonadotropins; • Color-coded for differentiation; • Pre-filled, ready-to- use family of pens for fertility treatment. Esteves, 33
  • 34. Conventional FbM: Novel Bioassay analitycal method High Protein content by Rat ovary mass weight variability gain Minimal batch-to- batch variability (1.6%) Urinary gonadotropins Follitropin beta Follitropin alfa and rec-hLH Bassett et al. Reprod Biomed Online 2005;10:169–177; Esteves, 34 Driebergen et al. Curr Med Res Opin 2003;19:41–46.
  • 35. Alfa Unit Beta unit Carboxyl terminal (biological action segment and receptor (determines half-life) affinity) LH 92 AA; 121 AA Absent; half life of 20’ hCG Identical to LH 144 AA Present; half-life of Higher receptor affinity 24h Purity FSH LH activity (LH content) activity (IU/vial) (IU/vial) Rec-hLH >99% 0 75 Rec-hLH + rec-hFSH >99% 150 75 hMG-HP Unknown* 75 75* *derives primarily from the hCG component, which preferentially is concentrated during the purification process and sometimes was added to achieve the desired amount of LH-like biological activity. Esteves, 35 ASRM Practice Committee. Fertil Steril. 2008; 90:S13-20.
  • 36. Level 2a • Matched case-control study; • N=4,719 pts.; long GnRH-a protocol • 3 groups 35 30 P=0.02 Duration of 31 Stimulation (days) 25 26 25 Mean No. oocytes 20 retrieved 15 IR (%) 10 5 CPR per transfer (%) 0 2:1 r-hFSH+r- HMG rec-hFSH + hLH HMG Esteves, 36 Buhler KF, Fisher R. Gynecol Endocrinol 2011; 1-6.
  • 37. Level 1a Lower expression of LH/hCG receptor gene as well as genes involved in in biosynthesis of cholesterol and steroids in granulosa cells in pts. treated with HMG preparations May reflect down-regulation of LH receptors, as shown in animals: Caused by a constant ligand exposure during the follicular phase due to longer half life and higher binding affinity of hCG to LHr May explain the observed lower progesterone levels: Caused by lower LH-induced cholesterol uptake, a decrease in the novo cholesterol synthesis and a decrease in steroid synthesis. Trinchard-Lugan I et al. Reprod Biomed Online 2002; 4:106-115; Menon KM et al. Biol Reprod Esteves, 37 2004; 70:861-866; Grondal ML et al. Fertil Steril 2009; 91: 1820-1830.
  • 38. Recombinants vs Urinary products Recombinant LH preparations have 3 major differences compared to urinary products:  Higher purity and specific activity (SC delivery in very small volumes))  Higher dose precision (FbM)  LH activity in u-HMG is hCG dependent: hCG is concentrated during purification or added to achieve the desired amount of LH-like biological activity; hCG has higher half-life and biological activity compared to rec-hLH. Esteves, 38
  • 39. Differences between rec-hLH and LH Activity in HMG Preparations  Lower expression of LH receptor gene in pts. treated with HMG (LH-r down- regulation).  Preparations used for COS are important for granulosa cell function and may influence the developmental competence of the oocyte and the function of corpus luteum. Esteves, 39
  • 40.
  • 41. Use of LH in IVF and IUI Progesterone Issues Supplementary Material Esteves, 41
  • 42. Steroidogenesis During Normal Follicular Phase and Following COS The expression of LH-R (GCs) is linked to the synthesis of progesterone during COS. Levels of LH-R and progesterone synthesis vary depending on the hormones used during the stimulation protocol. Esteves, 42 Steroidogenesis Consensus Meeting III, Copenhagen, Denmark, May 2011.
  • 43. Steroidogenesis in COS Endogenous LH then results in higher levels of progesterone synthesis following treatment with FSH than hMG: higher levels of LHR expressed on granulosa cells and increased number of granulosa cells. Esteves, 43 Steroidogenesis Consensus Meeting III, Copenhagen, Denmark, May 2011.
  • 44. Level 1a Progesterone on the Day of hCG and Probability of Pregnancy in IVF Progesterone Elevation x No Progesterone Elevation Venetis et al, 2007 Kolibianakis et al, 2012 GnRH Agonists Antagonists Antagonists analogue n = 2,624 n = 109 n = 109 OR: 0.86 OR: 0.57 WMD: -9% CPR (95% CI: 0.59; 1.25) (95% CI: 0.09; 3.56) (95% CI: -17; -2) E2 levels on WMD: 413.06 WMD: 956 the day of (95% CI: 240.14; 585.99) (95% CI 248; 1664) hCG (pg/mL) Number of WMD: +2.96 WMD: 0.00 WMD: +2.9 retrieved (95% CI: +1.74; +4.18) (95% CI: -2.98; +2.99) (95% CI: +1.5; +4.4) oocytes heterogeneity of the studies included; arbitrary serum progesterone threshold values Venetis et al, Hum Reprod Update. 2007;13:343-55; Esteves, 44 Kolibianakis et al, Curr Pharm Biotechnol. 2012;13:464-70.
  • 45. Level 2b Progesterone on the Day of hCG and Probability of Pregnancy in IVF Bosch et al. 2010 (N=4,032) OPR: inversely associated with serum P levels on the day of hCG irrespective of the GnRH analogue: CUT-OFF: 1.5 ng/mL Serum P levels ≤1.5 ng/ml: ↑OPR 31% versus 19.1%; P = 0.00006; OR: 0.53 (95% CI, 0.38 – 0.72) positively FSH dose associated No. oocytes with P levels Estradiol (day of hCG) (P < 0.0001 for all). Serum P levels: agonists: 0.84 ± 0.67 vs antagonists: 0.75 ± 0.66 (P = 0.0003) Esteves, 45 Bosch et al. Hum Reprod. 2010; 25(8):2092-100.
  • 46. Level Progesterone on the Day of hCG 2b and Probability of Pregnancy in IVF Xu et al, 2012 (N=11,055 long agonist protocol) For fresh cycles, OPR inversely associated with serum P levels on hCG day FSH dose Positively No. oocytes associated with P levels ■ Fresh Estradiol (day of hCG) ■ FET Serum P Ovarian Number of threshold response oocytes (ng/mL) Poor ≤4 1.5 Intermediate 5-19 1.75 High ≥20 2.25 Xu et al. Fertil Steril 2012;97:1321–7. Esteves, 46
  • 47. Progesterone on the Day of hCG and Probability of Pregnancy in IVF The rise in progesterone levels seen during COS for IVF/ICSI cycles cannot be explained by luteinization of granulosa cells  Conversion  FSH activity Granulosa of cholesterol to cell progesterone  LH  Conversion Teca bioactivity of progesterone cell to androgens  FSH dose,  number of follicles and rec-hFSH (x HMG): correlation to P increase on hCG day Bosch et al. Hum Reprod. 2010;25:2092-100; Esteves, 47 Xu et al. Fertil Steril 2012;97:1321–7; Smitz J et al. Hum Reprod 2007;22:676–87.
  • 48. LevelsProgesterone on the Day of hCG 2b, 3 and Probability of Pregnancy in IVF Hofmann et al, Fertil Steril. 1993;60:675-9; Xu et al. Fertil Steril 2012;97:1321–7; Huang et al. Fertil Steril 2012; 98:664–70; Melo et al. Hum Reprod 2006; 21:1503–1507. Esteves, 48
  • 49. Serum Progesterone and IVF Outcome Most circulating P4 (95%) is produced in the intrafollicular compartment by the granulosa cells; Intrafollicular P4 and Hydroxi-progesterone are terminal products and cannot be converted to estradiol by GCs under the effect of LH/hCG activity contained in hMG, due to lack of expression of an hydrogenase and P450-17α needed for this pathway; Higher serum Progesterone increments are related with more follicles developed and more oocytes retrieved and it’s effect in pregnancy still controversial. Increments up to >7nmol/L seems not to affect clinical pregnancy rates.
  • 50. Serum Progesterone and IVF Outcome  Treatment with FSH results in higher levels of progesterone than treatment with hMG.  A large number of developing follicles leads to increased levels of progesterone.  The higher the level of LH present, the higher the level of progesterone.  The effect of high progesterone levels at the time of hCG administration on pregnancy outcome is still controversial. Further detailed analyses are required to understand why, when and how much progesterone is detrimental for implantation rates. Esteves, 50