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(vorinostat) Capsules


ZOLINZA contains vorinostat, which is described chemically as N-hydroxy-N'-phenyloctanediamide.

The empirical formula is C14H20N2O3. The molecular weight is 264.32 and the structural formula is:

ZOLINZA® (vorinostat) Structural Formula Illustration

Vorinostat is a white to light orange powder. It is very slightly soluble in water, slightly soluble in ethanol, isopropanol and acetone, freely soluble in dimethyl sulfoxide and insoluble in methylene chloride. It has no chiral centers and is non-hygroscopic. The differential scanning calorimetry ranged from 161.7 (endotherm) to 163.9°C. The pH of saturated water solutions of vorinostat drug substance was 6.6. The pKa of vorinostat was determined to be 9.2.

Each 100 mg ZOLINZA capsule for oral administration contains 100 mg vorinostat and the following inactive ingredients: microcrystalline cellulose, sodium croscarmellose and magnesium stearate. The capsule shell excipients are titanium dioxide, gelatin and sodium lauryl sulfate.

What are the possible side effects of vorinostat (Zolinza)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using vorinostat and call your doctor at once if you have a serious side effect such as:

  • chest pain, sudden cough, wheezing, rapid breathing;
  • pain, swelling, warmth, or redness in one or both legs;
  • fever, chills, body aches, flu symptoms, sores in your mouth and throat;
  • pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating;
  • easy bruising,...

Read All Potential Side Effects and See Pictures of Zolinza »

What are the precautions when taking vorinostat (Zolinza)?

Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, certain mineral imbalances (such as low levels of potassium or magnesium in the blood), blood clots.

This drug may cause dizziness. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Vorinostat may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can...

Read All Potential Precautions of Zolinza »

Last reviewed on RxList: 10/15/2015
This monograph has been modified to include the generic and brand name in many instances.

Zolinza - User Reviews

Zolinza User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Zolinza sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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