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Chorionic Gonadotropin
Pronunciation
U.S. Brand Names
Generic Available
Synonyms
Pharmacological Index
Use
Pregnancy Risk Factor
Contraindications
Warnings/Precautions
Adverse Reactions
Drug Interactions
Stability
Mechanism of Action
Pharmacodynamics/Kinetics
Usual Dosage
Administration
Reference Range
Mental Health: Effects on Mental Status
Mental Health: Effects on Psychiatric Treatment
Dental Health: Local Anesthetic/Vasoconstrictor Precautions
Dental Health: Effects on Dental Treatment
Patient Information
Dosage Forms

Pronunciation
(kor ee ON ik goe NAD oh troe pin)

U.S. Brand Names
A.P.L.®; Chorex®; Choron®; Gonic®; Pregnyl®; Profasi® HP

Generic Available

Yes


Synonyms
CG; hCG

Pharmacological Index

Ovulation Stimulator


Use

Induces ovulation and pregnancy in anovulatory, infertile females; treatment of hypogonadotropic hypogonadism, prepubertal cryptorchidism


Pregnancy Risk Factor

C


Contraindications

Hypersensitivity to chorionic gonadotropin or any component; precocious puberty, prostatic carcinoma or similar neoplasms


Warnings/Precautions

Use with caution in asthma, seizure disorders, migraine, cardiac or renal disease; not effective in the treatment of obesity


Adverse Reactions

1% to 10%:

Central nervous system: Mental depression, fatigue

Endocrine & metabolic: Pelvic pain, ovarian cysts, enlargement of breasts, precocious puberty

Local: Pain at the injection site

Neuromuscular & skeletal: Premature closure of epiphyses

<1%: Peripheral edema, irritability, restlessness, headache, ovarian hyperstimulation syndrome, gynecomastia


Drug Interactions

No data reported


Stability

Following reconstitution with the provided diluent, solutions are stable for 30-90 days, depending on the specific preparation, when stored at 2°C to 15°C


Mechanism of Action

Stimulates production of gonadal steroid hormones by causing production of androgen by the testis; as a substitute for luteinizing hormone (LH) to stimulate ovulation


Pharmacodynamics/Kinetics

Half-life, biphasic: Initial: 11 hours; Terminal: 23 hours

Elimination: Excreted unchanged in urine within 3-4 days


Usual Dosage

I.M.:

Prepubertal cryptorchidism: 1000-2000 units/m2/dose 3 times/week for 3 weeks OR 4000 units 3 times/week for 3 weeks OR 5000 units every second day for 4 injections OR 500 units 3 times/week for 4-6 weeks

Hypogonadotropic hypogonadism: 500-1000 units 3 times/week for 3 weeks, followed by the same dose twice weekly for 3 weeks OR 1000-2000 units 3 times/week OR 4000 units 3 times/week for 6-9 months; reduce dosage to 2000 units 3 times/week for additional 3 months

Adults: Induction of ovulation: 5000-10,000 units one day following last dose of menotropins


Administration

Give I.M. only


Reference Range

Depends on application and methodology; <3 mIU/mL (SI: <3 units/L) usually normal (nonpregnant)


Mental Health: Effects on Mental Status

May cause drowsiness or depression; rarely may cause restlessness or irritability


Mental Health: Effects on Psychiatric Treatment

None reported


Dental Health: Local Anesthetic/Vasoconstrictor Precautions

No information available to require special precautions


Dental Health: Effects on Dental Treatment

No effects or complications reported


Patient Information

Discontinue immediately if possibility of pregnancy


Dosage Forms

Powder for injection (human origin): 200 units/mL (10 mL, 25 mL); 500 units/mL (10 mL); 1000 units/mL (10 mL); 2000 units/mL (10 mL)


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