Follitropin Beta

DEA Class; Rx

Common Brand Names; Follistim AQ

  • Gonadotropins; 
  • Ovulation Stimulators

Products ar recombinant versions of human follicle stimulating hormone (FSH), a gonadotropin; available as follitropin alfa or follitropin beta
Used for infertility protocols for ovulation induction in selected females and for induction of spermatogenesis in selected males
Used in combination with human chorionic gonadotropin (hCG)

Indicated for the treatment of infertility in females.

For infertility in males with oligospermia (to induce spermatogenesis in men with primary and secondary hypogonadotropic hypogonadism in whom the cause of infertility is not primary testicular failure).

Contraindicated in men and women

  • Prior hypersensitivity to recombinant hFSH products
  • High levels of FSH indicating primary ovarian failure
  • Uncontrolled thyroid or adrenal dysfunction
  • Hypersensitivity reactions to streptomycin or neomycin (may contain traces of these antibiotics)
  • Tumor of ovary, breast, uterus, testis, hypothalamus, or pituitary gland

Contraindicated in women

  • Pregnancy
  • Heavy or irregular vaginal bleeding of undetermined origin
  • Ovarian cysts or enlargement not due to polycystic ovary syndrome (PCOS)

ART

  • Ovarian Hyperstimulation Syndrome (5.2%)

  • Ectopic pregnancy (3%)

  • Abdominal pain (2.5%)

  • Injection site pain (1.7%)

  • Vaginal hemorrhage (1.5%)

Ovulation induction

  • Miscarriage (9.5%)

  • Ovarian Hyperstimulation Syndrome (7.6%)

  • Abdominal discomfort (2.9%)

  • Abdominal pain, lower (2.9%)

  • Ovarian cyst (2.9%)

  • Abdominal pain (1.9%)

Spermatogeneis

  • Headache (6.7%)

  • Acne (6.7%)

  • Injection site reaction (6.7%)

  • Injection site pain (6.7%)

  • Gynecomastia (3.3%)

  • Rash (3.3%)

  • Dermoid cyst (3.3%)

Dizziness

Febrile reactions

Hemoperitoneum

Tachycardia

Dyspnea

Tachypnea

Flu-like symptoms

Adnexal torsion (as a complication of ovarian enlargement)

Breast tenderness

Dry skin

Erythema

Body rash

Hair loss

Hives

Should be used only by physicians who are experienced in infertility treatment

Follistim beta is a potent gonadotropic substance capable of causing Ovarian Hyperstimulation Syndrome (OHSS) with or without pulmonary or vascular complications and multiple births

May cause abnormal ovarian enlargement

Pulmonary complications (eg, atelectasis, acute respiratory distress syndrome) reported

Thromboembolic reactions, both in association with, and separate from OHSS have been reported

Gonadotropin therapy requires the availability of appropriate monitoring facilities

Pregnancy Category: X

Lactation: Unknown whether distributed in breast milk, caution advised

No specific maximum dosage limit recommendations are available. Dosage regimens of follitropin, r-FSH depend upon the patient’s age, sex, weight, condition being treated or ART procedure to be used, the specific product used, the patient’s response to treatment, and the prescribing clinician’s judgment. The following maximum dosages are reflective of common recommendations in the package inserts.

Adults

Females:
Anovulatory patients: 300 International Units/day subcutaneously for Gonal-f or Gonal-f RFF Redi-ject (follitropin alfa products); 250 International Units/day for Follistim AQ (follitropin beta).
ART indications: 450 International Units/day subcutaneously for Gonal-f or Gonal-f RFF Redi-ject (follitropin alfa products); 500 International Units/day for Follistim AQ (follitropin beta).
 
Males:
Spermatogenesis: 450 International Units/week subcutaneously for Gonal-f or Follistim AQ products, given in divided doses throughout the week as specified for each product.

Geriatric

Not usually indicated; see adult dosing for rare exceptions.

Adolescents

Safety and efficacy have not been established.

Children

Safety and efficacy have not been established.

Infants

Not indicated.

Follitropin Beta

injectable solution

  • 75 Units/0.5mL
  • 150 Units/0.5mL

injectable SC cartridge

  • 300 International Unit/0.36mL (0.42mL)
  • 600 International Unit/0.72mL (0.78mL)
  • 900 International Unit/1.08mL (1.17mL)

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