Chorionic Gonadotropin
/api/v1/drug/chorionic-gonadotropinMechanism of action
Sourced from openFDAMechanism-of-action class: Hormone Receptor Agonists.
Indications
Sourced from openFDA- HCG HAS NOT BEEN DEMONSTRATED TO BE EFFECTIVE ADJUNCTIVE THERAPY IN THE TREATMENT OF OBESITY. THERE IS NO SUBSTANTIAL EVIDENCE THAT IT INCREASES WEIGHT LOSS BEYOND THAT RESULTING FROM CALORIC RESTRICTION, THAT IT CAUSES A MORE ATTRACTIVE OR ‘‘NORMAL’’ DISTRIBUTION OF FAT, OR THAT IT DECREASES THE HUNGER AND DISCOMFORT ASSOCIATED WITH CALORIE-RESTRICTED DIETS.ICD-10: E66.9
Contraindications
Sourced from openFDA- Precocious puberty, prostatic carcinoma or other androgen-dependent neoplasm, prior allergic reaction to HCG.contraindicated
Dosage & administration
Sourced from openFDAIntramuscular Use Only The dosage regimen employed in any particular case will depend upon the indication for use, the age and weight of the patient and the physician’s preference. The following regimens have been advocated by various authorities. Prepubertal Cryptorchidism Not Due To Anatomical Obstruction 4,000 USP units three times weekly for three weeks. 5,000 USP units every second day for four injections. 15 injections of 500 to 1,000 USP units over a period of six weeks. 500 USP units three times weekly for four to six weeks. If this course of treatment is not successful, another is begun one month later giving 1,000 USP units per injection. Selected Cases Of Hypogonadotropic Hypogonadism In Males 500 to 1,000 USP units three times a week for three weeks, followed by the same dose twice a week for three weeks. 4,000 USP units three times weekly for six to nine months, following which the dosage may be reduced to 2,000 USP units three times weekly for an additional three months. Induction of ovulation and pregnancy in the anovulatory, infertile woman in whom the cause of anovulation is secondary and not due to primary ovarian failure and who has been appropriately pretreated with human menotropins (see prescribing information for menotropins for dosage and administration for that drug product). 5,000 to 10,000 USP units one day following the last dose of menotropins. (A dosage of 10,000 units is recommended in the labeling for menotropins.) IMPORTANT: USE COMPLETELY WITHIN 60 DAYS AFTER RECONSTITUTION. REFRIGERATE AFTER RECONSTITUTION.
Warnings & precautions
Sourced from openFDAHCG should be used in conjunction with human menopausal gonadotropins only by physicians experienced with infertility problems who are familiar with the criteria for patient selection, contraindications, warnings, precautions and adverse reactions described in the package insert for menotropins. The principal serious adverse reactions are: (1) Ovarian hyperstimulation, a syndrome of sudden ovarian enlargement, ascites with or without pain and/or pleural effusion, (2) Rupture of ovarian cysts with resultant hemoperitoneum, (3) Multiple births and (4) Arterial thromboembolism. Anaphylaxis and other hypersensitivity reactions have been reported with urinary-derived HCG products.
Adverse reactions
Sourced from openFDAHeadache, irritability, restlessness, depression, fatigue, edema, precocious puberty, gynecomastia and pain at the site of injection.
Approval history
Sourced from openFDA- Mar 5, 1973BLABLA017067Fresenius Kabi Usa
FAERS reports
- 1Ovarian Hyperstimulation Syndrome12924%
- 2Drug Exposure During Pregnancy376.8%
- 3Drug Ineffective366.6%
- 4Off Label Use325.9%
- 5Ascites315.7%
- 6Ectopic Pregnancy315.7%
- 7Dyspnoea275.0%
- 8Nausea275.0%
- 9Abdominal Distension254.6%
- 10Headache244.4%
- 11Pain244.4%
- 12Pleural Effusion244.4%
- 13Abortion Spontaneous234.2%
- 14Abdominal Pain213.9%
- 15Caesarean Section193.5%
Literature
Recent PubMed references pinned to Chorionic Gonadotropin as a MeSH major topic. Citations link to pubmed.ncbi.nlm.nih.gov.
- Effects of eCG dose and timing on estrus and ovulation in hair ewe-lambs of three breeds under dry-tropical conditions across two breeding seasons.Tropical animal health and production · 2026 · Pescador-Salas N, Hernández-Meléndez J, López-Aguirre D, et al.PMID 42223517DOI 10.1007/s11250-026-05122-6
- Effect of recombinant human follicle-stimulating hormone or equine chorionic gonadotropin on the ovarian response in guinea pig.Veterinary research communications · 2026 · Cedano-Castro JI, Saavedra MB, Zavaleta PM, et al.PMID 42213185DOI 10.1007/s11259-026-11306-0
- Predicting live birth following single euploid frozen-embryo transfer via β-hCG dynamics: iHOPE prognostic model with external validation.Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology · 2026 · Kalafat E, Ata B, Del Gallego R, et al.PMID 42177810DOI 10.1002/uog.70238
- Application of DTT to Eliminate Interference of Rheumatoid Factor on Serum hCG Detection.Clinical laboratory · 2026 · Li G, Dan N, Wang Q, et al.PMID 42159116DOI 10.7754/Clin.Lab.2025.250723
- Laparoscopy-confirmed complete tubal abortion of an ectopic pregnancy with undetectable urine and serum beta-hCG levels.BMJ case reports · 2026 · Collis K, Ashfaq S, Cirelli C, et al.PMID 42156106DOI 10.1136/bcr-2025-271693
- Advances in the Use of Recombinant Gonadotropins for Reproductive Biotechnologies in Ruminants: A Review.Reproduction in domestic animals = Zuchthygiene · 2026 · Di Domenico VL, de Moraes FP, de Castro NÁ, et al.PMID 42132982DOI 10.1111/rda.70216
- Elevated beta-human chorionic gonadotropin levels in a patient with end-stage renal disease awaiting kidney transplantation: a case report.Journal of medical case reports · 2026 · Rahbar M, Latifi M, Talebian MT, et al.PMID 42050697DOI 10.1186/s13256-026-05983-3
- Development of machine learning models for predicting early pregnancy outcomes based on β-hCG, progesterone, and estradiol.PloS one · 2026 · Chen L, Mu F, Wang K, et al.PMID 42044144DOI 10.1371/journal.pone.0348114
Clinical trials
The 10 most recently updated of 406 ClinicalTrials.gov registrations naming Chorionic Gonadotropin as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.
- Extended Letrozole Protocol Versus Letrozole Plus Inositol for Induction of Ovulation in Letrozole Resistant PCOS WomenCompleted · Phase 2 · Interventional · 200 enrolled · Eman Basuni Ebrahim MowadNCT07635082updated 2026-06-09
- The Application of HCG in Luteal Support for Frozen Embryo Transfer in Ovulation Cycle of Obese WomenNot yet recruiting · Interventional · 750 enrolled · The Second Hospital of Shandong UniversityNCT07633002updated 2026-06-08
- Pharmacokinetics of FSH and hCG Following Multiple Dose of Gonadotropins-IBSA.Completed · Phase 1 · Interventional · 28 enrolled · IBSA Institut Biochimique SANCT06659692updated 2026-06-05
- Point of Care Tests in the Management of Very Early Medical AbortionRecruiting · Observational · 130 enrolled · University of EdinburghNCT07417787updated 2026-06-03
- Comparison of Dydrogesterone Alone Versus Dydrogesterone Plus HCG in Threatened MiscarriageCompleted · Interventional · 100 enrolled · Pakistan Air Force (PAF) Hospital IslamabadNCT07608133updated 2026-05-27
- Sex Steroids Balance for Metabolic and Reproductive Health in Klinefelter SyndromeRecruiting · Phase 3 · Interventional · 150 enrolled · Georgios PapadakisNCT05586802updated 2026-05-11
- Comparing IVF/ICSI Cycle Outcomes of Post Ovulation Ovarian Stimulation Protocol With Elonva Without GnRH Antagonist to Follicular Phase Day 2 Stimulation Fixed Day 5 Antagonist ProtocolNot yet recruiting · Observational · 252 enrolled · ART Fertility Clinics LLCNCT06879002updated 2026-05-07
- Is the Diurnal Variation in Circulating Levels of Cortisol Reflected in Follicular Fluid of Preovulatory Follicles Close to Ovulation?Not yet recruiting · Observational · 20 enrolled · ART Fertility Clinics LLCNCT06877429updated 2026-05-07
- hCG Treatment for Rehabilitation From a TBINot yet recruiting · Early phase 1 · Interventional · 50 enrolled · VA Office of Research and DevelopmentNCT07557615updated 2026-05-06
- Trial for Local Ablative Treatment (LAT) Optimization in Patients With Advanced Non-Small Cells Lung Cancer (NSCLC) Presenting an Anaplastic Lymphoma Kinase (ALK) Rearrangement Treated by BrigatinibRecruiting · Phase 2 · Interventional · 45 enrolled · Groupe Francais De Pneumo-CancerologieNCT06620835updated 2026-04-29
Frequently asked questions
- How does Chorionic Gonadotropin work?
- Mechanism-of-action class: Hormone Receptor Agonists.
- What is Chorionic Gonadotropin used for?
- According to FDA labeling, Chorionic Gonadotropin carries indications including: HCG HAS NOT BEEN DEMONSTRATED TO BE EFFECTIVE ADJUNCTIVE THERAPY IN THE TREATMENT OF OBESITY. THERE IS NO SUBSTANTIAL EVIDENCE THAT IT INCREASES WEIGHT LOSS BEYOND THAT RESULTING FROM CALORIC RESTRICTION, THAT IT CAUSES A MORE ATTRACTIVE OR ‘‘NORMAL’’ DISTRIBUTION OF FAT, OR THAT IT DECREASES THE HUNGER AND DISCOMFORT ASSOCIATED WITH CALORIE-RESTRICTED DIETS.. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.
- What class of drug is Chorionic Gonadotropin?
- Chorionic Gonadotropin is classified as Gonadotropins, Hormone Receptor Agonists, Increased Luteinizing Hormone Secretion.
- What are the brand names for Chorionic Gonadotropin?
- Chorionic Gonadotropin is marketed under brand names including Chorulon, Novarel, Ovidrel, Pregnyl.
- What are the contraindications for Chorionic Gonadotropin?
- Chorionic Gonadotropin labeling lists contraindications including: Precocious puberty, prostatic carcinoma or other androgen-dependent neoplasm, prior allergic reaction to HCG.. Always consult the full prescribing information and a clinician.
chorionic-gonadotropin is illustrative MVP content compiled from public sources. pharmacopeia is for educational and informational use only and is not a substitute for professional medical advice.