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Pregnyl (1,500) IU

Mount Sinai Hospital, Canada · FDA-approved active Small molecule

Pregnyl is human chorionic gonadotropin (hCG) that mimics luteinizing hormone to stimulate gonadal hormone production and ovulation.

Pregnyl is human chorionic gonadotropin (hCG) that mimics luteinizing hormone to stimulate gonadal hormone production and ovulation. Used for Female infertility (ovulation induction, final maturation of oocytes in assisted reproductive technology), Male hypogonadism (testosterone deficiency), Cryptorchidism (undescended testis).

At a glance

Generic namePregnyl (1,500) IU
Also known asHcg
SponsorMount Sinai Hospital, Canada
Drug classGonadotropin; human chorionic gonadotropin (hCG)
TargetLuteinizing hormone receptor (LH receptor)
ModalitySmall molecule
Therapeutic areaReproductive Endocrinology; Fertility
PhaseFDA-approved

Mechanism of action

hCG binds to luteinizing hormone receptors on Leydig cells (in males) and theca cells (in females), triggering testosterone production in males and progesterone production in females. In females, it triggers the LH surge necessary for ovulation. In males, it stimulates spermatogenesis and testosterone synthesis.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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