Omnitrope for IVF: How It Supports Fertility Treatment

Omnitrope is a synthetic form of human growth hormone (hGH), known as somatropin, produced using recombinant DNA technology. In the context of in vitro fertilization (IVF), it is sometimes used as an adjunctive therapy to potentially enhance ovarian response and improve outcomes, particularly in women with poor ovarian reserve, advanced reproductive age, or a history of suboptimal response to standard stimulation protocols. While not FDA-approved specifically for IVF, its off-label use is based on its physiological effects on ovarian function and reproductive processes.

Function in IVF

Omnitrope’s primary role in an IVF protocol is to support follicular development, improve oocyte (egg) quality, and enhance the uterine environment for embryo implantation.

It is typically administered to:

  • Enhance Ovarian Response: It may increase the number of mature oocytes retrieved by improving the ovaries’ sensitivity to gonadotropins, such as follicle-stimulating hormone (FSH), which are used to stimulate follicle growth.
  • Improve Oocyte Quality: By influencing cellular processes within the follicle, Omnitrope may enhance the developmental competence of oocytes, potentially leading to better embryo quality.
  • Support Endometrial Receptivity: It may promote a more favorable uterine lining for embryo implantation through hormonal interactions.

It is often prescribed for women over 38, those with diminished ovarian reserve, or individuals who have previously had poor IVF outcomes, though some studies suggest benefits even in women without these conditions.

omnitrope ivf

Mechanism of Action

Omnitrope exerts its effects through both direct and indirect mechanisms involving growth hormone (GH) and insulin-like growth factor-1 (IGF-1):

Direct Effects on the Ovary

  • GH Receptors: Oocytes and surrounding granulosa cells (which support follicle development) express growth hormone receptors. Omnitrope binds to these receptors, stimulating follicular growth and oocyte maturation.
  • Steroidogenesis: It enhances the production of estrogen and progesterone within the follicle by acting on granulosa cells, which may improve the follicular environment and oocyte quality.
  • Mitochondrial Function: Omnitrope may increase mitochondrial activity in oocytes, which is critical for energy production and cellular health, particularly in older women where mitochondrial function often declines.

Indirect Effects via IGF-1

  • Stimulation of IGF-1 Production: When Omnitrope is administered, it prompts the liver and possibly the ovaries to produce IGF-1, a key mediator of GH effects. IGF-1 amplifies the action of FSH on granulosa cells, enhancing follicular development and increasing the number of preantral and antral follicles recruited during stimulation.
  • Synergy with Gonadotropins: IGF-1 sensitizes the ovaries to FSH, potentially reducing the amount of FSH needed and shortening the stimulation period. This synergy may lead to more mature oocytes and higher fertilization rates.

Endometrial Effects

  • Omnitrope, through IGF-1, may enhance endometrial thickness and receptivity by promoting cell proliferation and differentiation in the uterine lining. This could improve the chances of successful embryo implantation.

Administration in IVF

Omnitrope is typically administered subcutaneously, starting 30-90 days before the IVF cycle and continuing through the ovarian stimulation phase until the trigger shot (e.g., hCG) is given. A common dosage is around 4-4.35 IU daily, though this varies based on patient characteristics and clinician preference. The goal is to optimize the follicular environment and oocyte yield during the stimulation phase.

omnitrope ivf egg quality

Clinical Evidence and Considerations

Research suggests that Omnitrope may increase the number of oocytes retrieved, improve embryo quality, and enhance fertilization rates, particularly in poor responders. For example, higher GH levels in follicular fluid have been associated with better oocyte competence and implantation success. However, evidence on live birth rates—the ultimate IVF outcome—remains inconsistent. Some studies show benefits like increased egg yield and faster stimulation, but large randomized trials, such as one published in 2024, found no significant improvement in egg numbers or live birth rates in women with normal ovarian response.

In summary, Omnitrope functions in IVF by supporting follicle development, oocyte maturation, and endometrial preparation, primarily through direct action on ovarian cells and indirect enhancement via IGF-1. Its mechanism leverages the interplay between GH, IGF-1, and gonadotropins to potentially optimize IVF outcomes, though its efficacy varies across patient populations and requires further robust evidence to fully validate its routine use.

Interested in finding out how complementary medicine can be used to improve egg, lining, and sperm quality?
For more information or to schedule a consultation at The Berkley Center for Reproductive Wellness, please contact us at 212-685-0985 or visit our reproductive fertility center at 16 East 40th Street, 4th floor, New York, NY 10016.

Author

  • mike berkley

    Mike Berkley, LAc, FABORM, is a licensed and board-certified acupuncturist and a board-certified herbalist. He is a fertility specialist at The Berkley Center for Reproductive Wellness in the Midtown East neighborhood of Manhattan, New York.

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