Oral topotecan hydrochloride

From WikiMD's Wellness Encyclopedia

What is Oral topotecan hydrochloride?[edit | edit source]

  • Oral topotecan hydrochloride (Hycamtin Capsules) is a topoisomerase inhibitor used for the treatment of patients with relapsed small cell lung cancer (SCLC).
Error creating thumbnail:
Topotecan Structural Formula V.1
Topotecan2DACS



What are the uses of this medicine?[edit | edit source]

Oral topotecan hydrochloride (Hycamtin Capsules) is a prescription medicine used to treat small cell lung cancer (SCLC) that has come back (relapsed) and:

  • the cancer responded to your first chemotherapy, and
  • it has been at least 45 days from the last dose of chemotherapy.


How does this medicine work?[edit | edit source]

  • Topotecan binds to the topoisomerase I-DNA complex and prevents re-ligation of these single-strand breaks.
  • During the S phase of the cell cycle, topotecan selectively stabilizes topoisomerase I-DNA covalent complexes, inhibiting religation of topoisomerase I-mediated single-strand DNA breaks and producing potentially lethal double-strand DNA breaks when complexes are encountered by the DNA replication machinery.
  • Camptothecin is a cytotoxic quinoline-based alkaloid extracted from the Asian tree Camptotheca acuminata.


Who Should Not Use this medicine ?[edit | edit source]

This medicine cannot be used in patients who:

  • are allergic to topotecan or any of the ingreidents in HYCAMTIN.


What drug interactions can this medicine cause?[edit | edit source]

  • Tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take.
  • Taking HYCAMTIN with certain other medicines can affect how HYCAMTIN works causing side effects.


Is this medicine FDA approved?[edit | edit source]

  • Initial U.S. Approval: 1996


How should this medicine be used?[edit | edit source]

Recommended dosage:

  • The recommended dosage of HYCAMTIN capsules is 2.3 mg/m2/day orally once daily, with or without food, for 5 consecutive days, starting on Day 1 of a 21-day cycle.

Renal Impairment:

  • Reduce dose if creatinine clearance (CLcr) less than 50 mL/min.

Administration:

  • Swallow capsules whole.
  • Do not chew, crush, or divide the capsules.
  • If a dose of HYCAMTIN capsules is missed or vomiting occurs after taking a dose, do not administer an additional dose and take the next dose at the scheduled time.


What are the dosage forms and brand names of this medicine?[edit | edit source]

This medicine is available in fallowing doasage form:

  • As Capsules: 0.25 mg or 1 mg

This medicine is available in fallowing brand namesː

  • Hycamtin


What side effects can this medication cause?[edit | edit source]

The most common side effects of this medicine include:

  • decreased blood cell counts
  • diarrhea
  • hair loss
  • nausea
  • vomiting
  • fatigue
  • HYCAMTIN may cause short-term and long-term fertility problems in females.
  • HYCAMTIN may cause lower sperm count problems in men.

HYCAMTIN may cause serious side effects, including:

  • Bone marrow problems
  • Diarrhea
  • Lung problems that can cause death


What special precautions should I follow?[edit | edit source]

  • HYCAMTIN can cause severe myelosuppression. Withhold and reduce dose of HYCAMTIN capsules based on neutrophil counts, platelet counts and hemoglobin levels.
  • Diarrhea, including severe and life-threatening diarrhea requiring hospitalization, can occur with HYCAMTIN capsules. Withhold and reduce dose as recommended.
  • Interstitial lung disease (ILD), including fatalities, can occur with HYCAMTIN. Permanently discontinue if confirmed ILD.
  • Based on animal data, HYCAMTIN can cause fetal harm when administered to a pregnant woman. Advise patients of potential risk to the fetus and to use effective contraception.


What to do in case of emergency/overdose?[edit | edit source]

Symptoms of overdosage may include:


Management of overdosage:

  • If an overdose is suspected, monitor the patient closely for myelosuppression and institute supportive-care measures as appropriate.


Can this medicine be used in pregnancy?[edit | edit source]

  • Based on animal data and its mechanism of action, HYCAMTIN can cause fetal harm when administered to a pregnant woman.
  • There are no available clinical data on the use of HYCAMTIN in pregnancy.


Can this medicine be used in children?[edit | edit source]

  • Safety and effectiveness in pediatric patients have not been established.


What are the active and inactive ingredients in this medicine?[edit | edit source]

Active ingredient:

  • topotecan hydrochloride

Inactive ingredients:

  • gelatin, glyceryl monostearate, hydrogenated vegetable oil, and titanium dioxide. The 1-mg capsules also contain red iron oxide. The capsules are imprinted with edible black ink.


Who manufactures and distributes this medicine?[edit | edit source]

Distributed by:


What should I know about storage and disposal of this medication?[edit | edit source]

  • Store HYCAMTIN in a refrigerator between 36°F to 46°F (2°C to 8°C).
  • Keep the bottle of HYCAMTIN in the carton that it comes in to protect it from light.


Oral topotecan hydrochloride Resources
Wikipedia

WikiMD
Navigation: Wellness - Encyclopedia - Health topics - Disease Index‏‎ - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes

Search WikiMD

Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD

WikiMD's Wellness Encyclopedia

Let Food Be Thy Medicine
Medicine Thy Food - Hippocrates

WikiMD is not a substitute for professional medical advice. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.

Contributors: Deepika vegiraju