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Fanapt

"Feb. 22, 2011 -- The FDA has issued a safety announcement notifying health care professionals that it has updated the pregnancy section of drug labels for the entire class of antipsychotic medications.

Antipsychotic drugs are used to "...

Fanapt

FANAPT®
(iloperidone) Tablets

WARNING

INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS

Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Analysis of seventeen placebo-controlled trials (modal duration 10 weeks), largely in patients taking atypical antipsychotic drugs, revealed a risk of death in the drug-treated patients of between 1.6 to 1.7 times the risk of death in placebo-treated patients. Over the course of a typical 10-week controlled trial, the rate of death in drug-treated patients was about 4.5%, compared to a rate of about 2.6% in the placebo group. Although the causes of death were varied, most of the deaths appeared to be either cardiovascular (e.g., heart failure, sudden death) or infectious (e.g., pneumonia) in nature.

Observational studies suggest that, similar to atypical antipsychotic drugs, treatment with conventional antipsychotic drugs may increase mortality. The extent to which the findings of increased mortality in observational studies may be attributed to the antipsychotic drug as opposed to some characteristic(s) of the patients is not clear. FANAPT is not approved for the treatment of patients with Dementia-Related Psychosis. [see WARNINGS AND PRECAUTIONS]

DRUG DESCRIPTION

FANAPT is a psychotropic agent belonging to the chemical class of piperidinyl-benzisoxazole derivatives. Its chemical name is 4'-[3-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)piperidino]propoxy]-3'-methoxyacetophenone. Its molecular formula is C24H27FN2O4 and its molecular weight is 426.48. The structural formula is:

FANAPT® (iloperidone)  Structural Formula Illustration

Iloperidone is a white to off-white finely crystalline powder. It is practically insoluble in water, very slightly soluble in 0.1 N HCl and freely soluble in chloroform, ethanol, methanol, and acetonitrile.

FANAPT tablets are intended for oral administration only. Each round, uncoated tablet contains 1 mg, 2 mg, 4 mg, 6 mg, 8 mg, 10 mg, or 12 mg of iloperidone. Inactive ingredients are: lactose monohydrate, microcrystalline cellulose, hydroxypropylmethylcellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and purified water (removed during processing). The tablets are white, round, flat, beveled-edged and identified with a logo “ ” debossed on one side and tablet strength “1”, “2”, “4”, “6”, “8”, “10”, or “12” debossed on the other side.

What are the possible side effects of iloperidone (Fanapt)?

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

Stop taking this medication and call your doctor at once if you have a serious side effect such as:

  • very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out;
  • twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs;
  • tremor (uncontrolled shaking);
  • trouble swallowing;
  • seizure...

Read All Potential Side Effects and See Pictures of Fanapt »

What are the precautions when taking iloperidone tablets (Fanapt)?

See also Warning section.

Before taking iloperidone, 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 problems, heart problems (such as past heart attack, chest pain, abnormal heartbeat), stroke, diabetes (including family history), obesity, low blood pressure, seizures, low white blood cell count, loss of too much body water (dehydration), breast cancer, dementia (such as Alzheimer's Disease), trouble swallowing.

Iloperidone may cause a condition that affects the heart rhythm...

Read All Potential Precautions of Fanapt »

Last reviewed on RxList: 5/1/2014
This monograph has been modified to include the generic and brand name in many instances.

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