Valrubicin

From WikiMD's Food, Medicine & Wellness Encyclopedia

What is Valrubicin?[edit | edit source]

  • Valrubicin (Valstar) is an anthracycline topoisomerase inhibitor used to treat bladder carcinoma in situ that did not get better after treatment with bacillus Calmette-Guerin (BCG).
  • It is used in patients who cannot have surgery right away to remove all or part of the bladder.
Valrubicin



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

  • Valrubicin (Valstar) is approved to treat:

Bladder cancer:

  • It is given directly into the bladder as a treatment for carcinoma in situ that does not respond to treatment with bacillus Calmette-Guérin (BCG).
  • It is used in patients who cannot have surgery right away.


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

  • Valrubicin is an anthracycline that affects a variety of interrelated biological functions, most of which involve nucleic acid metabolism.
  • In cells, it inhibits the incorporation of nucleosides into nucleic acids, causes chromosomal damage, and arrests the cell cycle in G 2. Although valrubicin does not bind strongly to DNA, valrubicin metabolites interfere with the normal DNA breaking-resealing action of DNA topoisomerase II.


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

This medicine cannot be used in patients with:


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.


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

  • It was approved as a therapy of bladder cancer in the United States 1998, was removed in 2002 because of manufacturing issues, but reintroduced in 2009.


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

Recommended dosage:

Administration:

  • Valrubicin comes as a solution (liquid) to be infused (injected slowly) through a catheter (small flexible plastic tube) into your bladder while you are lying down.
  • Valrubicin solution is given by a doctor or a health care provider in a medical office, hospital, or clinic.
  • It is usually given once a week for 6 weeks.
  • You should keep the medication in your bladder for 2 hours or as long as possible.
  • At the end of 2 hours you will empty your bladder.
  • If any valrubicin solution leaks out of the bladder and gets on your skin, the area should be cleaned with soap and water.
  • Spills on the floor should be cleaned with undiluted bleach.
  • Drink plenty of fluids after receiving your treatment with valrubicin.


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

This medicine is available in fallowing doasage form:

  • As Injection: 200 mg/5 mL in single-use vials

This medicine is available in fallowing brand namesː

  • VALSTAR


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

The most common side effects of this medicine include:


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

  • Inform patients that VALSTAR has been shown to induce complete response in only about 1 in 5 patients. Delaying cystectomy can lead to development of metastatic bladder cancer, which is lethal.
  • Evaluate the bladder before the intravesical instillation of drug and do not administer VALSTAR to patients with a perforated bladder or to those in whom the integrity of the bladder mucosa has been compromised.
  • To avoid systemic exposure to VALSTAR for the patients undergoing TURB, evaluate the status of the bladder before the intravesical instillation of drug.
  • Use VALSTAR with caution in patients with severe irritable bladder symptoms.
  • Based on findings in animal studies and its mechanism of action, VALSTAR can cause fetal harm when administered to a pregnant woman. Advise females of reproductive potential to use effective contraception during treatment with VALSTAR and for 6 months following the final dose.
  • Advise females not to breastfeed during treatment with VALSTAR and for 2 weeks after the last dose.
  • Inform patients that for the first 24 hours following administration, red-tinged urine is typical.
  • Instruct patients to maintain adequate hydration following VALSTAR treatment.


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

Symptoms of overdosage may include:

  • irritable bladder
  • If significant systemic exposure occurs following intravesical administration (e.g., in patients with bladder rupture/perforation) myelosuppression may occur.

Management of overdosage:

  • In case of overdose, call the poison control helpline of your country. In the United States, call 1-800-222-1222.


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

  • Based on findings in animal studies and its mechanism of action, VALSTAR can cause fetal harm when administered to a pregnant females.
  • There are no available data in pregnant females to inform the drug-associated risk.
  • Advise females who are or might become pregnant of the potential risk to a fetus.


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:

  • VALRUBICIN

Inactive ingredients:

  • ALCOHOL
  • POLYOXYL 35 CASTOR OIL
  • NITROGEN


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

Distributed by:

Manufactured by:

  • VALSTAR is a trademark of Endo Pharmaceuticals Inc.


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

  • Store vials under refrigeration at 2°-8°C (36°-46°F) in the carton.
  • DO NOT FREEZE.


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Valrubicin Resources
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