Europe — EMA
Gonasi Hp (Chorionic Gonadotrophin)
Gonasi Hp contains chorionic gonadotrophin for intramuscular or subcutaneous use in reproductive health; see indications, side effects, and precautions.
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What is Chorionic Gonadotrophin?
Gonasi Hp is a pharmaceutical product that contains the active ingredient chorionic gonadotrophin. It is supplied in an injectable form for intramuscular or subcutaneous administration. The specific strength and dosage form are not disclosed, and the product is marketed in the European Union. Gonasi Hp belongs to the gonadotropin drug class and is used in clinical settings related to reproductive health.
What is Chorionic Gonadotrophin used for?
Gonasi Hp is employed in medical practice where stimulation of the gonadal axis is required. Its clinical applications include:
- Supporting follicular development in assisted reproductive technology procedures. - Inducing ovulation in women with certain ovulatory disorders. - Promoting luteal phase support after ovulation induction. - Assisting in the treatment of specific cases of male hypogonadism. - Facilitating the development of secondary sexual characteristics in selected endocrine conditions.
What are the side effects of Chorionic Gonadotrophin?
Side effects of chorionic gonadotrophin may vary in frequency and severity.
Common: - Injection site pain or erythema. - Mild headache. - Nausea or mild gastrointestinal discomfort. - Transient abdominal bloating. - Mild fatigue.
Serious: - Ovarian hyperstimulation syndrome (OHSS). - Allergic reactions such as rash, itching, or anaphylaxis. - Thromboembolic events. - Severe abdominal pain indicating ovarian cyst rupture. - Persistent swelling or fluid accumulation (ascites).
What precautions apply to Chorionic Gonadotrophin?
When considering Gonasi Hp, healthcare providers should evaluate several safety factors. Important precautions include:
- Assessing the patient's history of ovarian hyperstimulation or thromboembolic disease. - Monitoring hormone levels and ovarian response during treatment. - Using caution in patients with known hypersensitivity to gonadotropins. - Evaluating cardiovascular risk, especially in patients with hypertension or clotting disorders. - Adjusting therapy for individuals with renal or hepatic impairment. - Ensuring appropriate contraception for women of reproductive age not undergoing fertility treatment.
What does Chorionic Gonadotrophin interact with?
Chorionic gonadotrophin may interact with other medications or substances. Interaction considerations are:
Avoid: - Concurrent use of drugs that increase the risk of thrombosis (e.g., estrogen‑containing contraceptives). - Medications that may exacerbate ovarian hyperstimulation, such as high‑dose gonadotropin analogues.
Use with caution: - Anticoagulants, due to potential changes in clotting risk. - Steroids that affect fluid balance. - Thyroid hormone therapy, as thyroid status can influence reproductive response. - Medications that alter hormone metabolism (e.g., certain antiepileptics).


