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Ospemifene tablet?

See the DrugPatentWatch profile for Ospemifene

Ospemifene (generic) – a 60‑mg tablet used mainly to treat moderate‑to‑severe dyspareunia (painful sexual intercourse) caused by post‑menopausal estrogen deficiency (i.e., vulvar and vaginal atrophy).

Key facts

Feature Details
Drug class Selective Estrogen Receptor Modulator (SERM)
Common brand names Ospemifene, Venoform™ (in some markets)
Typical dosage 60 mg once daily (with or without food)
Typical duration 12 weeks for dyspareunia; some patients continue longer under a clinician’s guidance
Mechanism of action Binds estrogen receptors in the genital tract, mimicking estrogen’s positive effects on the vaginal epithelium and mucus production, while having no estrogenic effect on breast or uterine tissue
Indications • Moderate‑to‑severe dyspareunia associated with post‑menopausal estrogen deficiency.
• Not approved for breast cancer prevention or treatment.
Contraindications • Known hypersensitivity to ospemifene.
• History of thrombophlebitis, venous thromboembolism (VTE), or other clotting disorders.
• Uncontrolled hypertension.
• Pregnancy or breastfeeding (no evidence of safety).
Common side‑effects • Hot flashes or vasomotor symptoms (≈5–10 %).
• Urinary tract infection symptoms.
• Mild nausea or headache.
Serious risks • Risk of blood clots (deep vein thrombosis, pulmonary embolism).
• Rare reports of stroke and heart attack.
Drug interactions • CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin) may increase ospemifene levels.
• CYP3A4 inducers (e.g., rifampin) may reduce its effect.
• Concomitant use with estrogen therapy not recommended.
Monitoring • Baseline and periodic assessment of weight, blood pressure, and signs of VTE.
• Routine blood work usually not required unless symptoms arise.
Special populations • Not recommended for patients with a history of VTE or clotting disorders.
• Use in elderly patients requires careful consideration of cardiovascular risk.

How it’s taken

  1. Take orally: One 60 mg tablet daily, preferably at the same time each day.
  2. Food: Can be taken with or without food—no special timing required.
  3. Missed dose: Skip the missed dose; do not double up next day.

What to watch for

Symptom When to seek medical attention
Sudden shortness of breath, chest pain, leg swelling, or calf pain Possible blood clot (deep vein thrombosis or pulmonary embolism).
Severe headache, vision changes, or seizures Possible stroke.
Persistent high fever, severe nausea, vomiting, or signs of infection Possible infection or other serious side‑effect.

When to talk to your doctor

  • If you have a history of blood clots, uncontrolled high blood pressure, or liver disease.
  • If you’re taking other medications that might interact (e.g., other SERMs, anticoagulants).
  • If you experience hot flashes, vaginal dryness, or other side‑effects that interfere with daily life.
  • If you’re planning pregnancy or breastfeeding (ospemifene is not recommended).

Quick reference

Question Answer
Is ospemifene safe for everyone? No. Contraindicated in patients with clotting disorders, uncontrolled hypertension, and pregnancy.
Can it treat hot flashes? Not specifically approved; it may cause hot flashes in some patients.
Does it affect breast cancer risk? It has no proven effect on breast cancer risk and is not used for prevention.
How long should I take it? Usually 12 weeks for dyspareunia; some people continue longer under supervision.

Bottom line

Ospemifene 60 mg tablets are a targeted, non‑hormonal option for women who experience painful intercourse due to menopause‑related vaginal atrophy. It works by selectively activating estrogen receptors in the genital tract without stimulating breast or uterine tissues. While effective, it carries a small but real risk of blood clots, so careful patient selection and monitoring are essential.

If you’re considering ospemifene or have specific concerns (e.g., other medications, medical history), it’s best to discuss them with your healthcare provider.



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