Toposar

— THERAPEUTIC CATEGORIES —
  • Prostate and other male cancers
  • Respiratory and thoracic cancers

Toposar Generic Name & Formulations

General Description

Etoposide 20mg/mL; soln for IV infusion; contains dehydrated alcohol 33.2%, polysorbate 80.

Pharmacological Class

Topoisomerase inhibitor.

How Supplied

Multi-dose vials (5mL, 25mL, 50mL)—1

Manufacturer

Toposar Indications

Indications

Refractory testicular tumors after appropriate radiation, surgery, and other chemotherapy.

Toposar Dosage and Administration

Adult

Give by slow IV infusion over 30–60mins. Range 50–100mg/m2 per day on days 1 through 5 to 100mg/m2 per day on days 1, 3, and 5. Repeat course every 3 to 4 weeks after recovery from any toxicity. Renal impairment (CrCl 15–50mL/min): reduce dose to 75%; (CrCl <15mL/min): see literature. Consider dose reduction with existing myelosuppression due to previous radiation or chemotherapy.

Children

Not established.

Toposar Contraindications

Not Applicable

Toposar Boxed Warnings

Boxed Warning

Should be administered under the supervision of an experienced physician in cancer chemotherapy. Severe myelosuppression.

Toposar Warnings/Precautions

Warnings/Precautions

Monitor for myelosuppression; obtain CBCs with differential, platelets, hemoglobin at baseline, prior to each subsequent dose, during and after therapy. Withhold dose if platelet count <50,000/mm3 or ANC <500/mm3. Renal impairment. Hypoalbuminemia. Pregnancy (Cat.D); avoid use. Nursing mothers: not recommended.

Toposar Pharmacokinetics

See Literature

Toposar Interactions

Interactions

Potentiated by cyclosporine. Additive toxicity with radiation, other cytotoxic therapies.

Toposar Adverse Reactions

Adverse Reactions

Hypersensitivity/infusion reactions (eg, fever/chills, hypotension, bronchospasm), GI upset, anorexia, mucositis, myelosuppression (esp neutropenia, thrombocytopenia; may be fatal), alopecia, fever, infections, peripheral neurotoxicity; rare: acute leukemia; others.

Toposar Clinical Trials

See Literature

Toposar Note

Not Applicable

Toposar Patient Counseling

See Literature

Toposar Generic Name & Formulations

General Description

Etoposide 20mg/mL; soln for IV infusion; contains dehydrated alcohol 33.2%, polysorbate 80.

Pharmacological Class

Topoisomerase inhibitor.

How Supplied

Multi-dose vials (5mL, 25mL, 50mL)—1

Manufacturer

Toposar Indications

Indications

First-line treatment of small cell lung cancer.

Toposar Dosage and Administration

Adult

Give by slow IV infusion over 30–60mins. Range 35mg/m2 per day for 4 days to 50mg/m2 per day for 5 days. Repeat course every 3 to 4 weeks after recovery from any toxicity. Renal impairment (CrCl 15–50mL/min): reduce dose to 75%; (CrCl <15mL/min): see literature. Consider dose reduction with existing myelosuppression due to previous radiation or chemotherapy.

Children

Not established.

Toposar Contraindications

Not Applicable

Toposar Boxed Warnings

Boxed Warning

Should be administered under the supervision of an experienced physician in cancer chemotherapy. Severe myelosuppression.

Toposar Warnings/Precautions

Warnings/Precautions

Monitor for myelosuppression; obtain CBCs with differential, platelets, hemoglobin at baseline, prior to each subsequent dose, during and after therapy. Withhold dose if platelet count <50,000/mm3 or ANC <500/mm3. Renal impairment. Hypoalbuminemia. Pregnancy (Cat.D); avoid use. Nursing mothers: not recommended.

Toposar Pharmacokinetics

See Literature

Toposar Interactions

Interactions

Potentiated by cyclosporine. Additive toxicity with radiation, other cytotoxic therapies.

Toposar Adverse Reactions

Adverse Reactions

Hypersensitivity/infusion reactions (eg, fever/chills, hypotension, bronchospasm), GI upset, anorexia, mucositis, myelosuppression (esp neutropenia, thrombocytopenia; may be fatal), alopecia, fever, infections, peripheral neurotoxicity; rare: acute leukemia; others.

Toposar Clinical Trials

See Literature

Toposar Note

Not Applicable

Toposar Patient Counseling

See Literature