teriflunomide (Aubagio)

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GENERIC NAME: teriflunomide

BRAND NAME: Aubagio

DRUG CLASS AND MECHANISM: Teriflunomide is an oral immunomodulatory agent used for the treatment of patients with relapsing forms of multiple sclerosis (MS). It inhibits dihydroorotate dehydrogenase, an enzyme used to make pyrimidine which is used to build DNA. The exact mechanism of action of teriflunomide in the treatment of MS is unknown. However, it is thought to reduce the over activation of the immune system by decreasing the number of white blood cells (T and B lymphocytes) in the central nervous system. Teriflunomide decreases the number of MS relapses. The FDA approved teriflunomide in September 2013.

PRESCRIPTION: Yes

GENERIC AVAILABLE: No

PREPARATIONS: Film-coated tablets: 7 mg and 14 mg

STORAGE: Tablets should to be stored at 20 C to 25 C (68 F to 77 F), but also may be stored at 15 C to 30 C (59 F to 86 F)

PRESCRIBED FOR: Teriflunomide is used for the treatment of patients with relapsing forms of multiple sclerosis (MS).

DOSING: The recommended dose is one 7 mg or 14 mg tablet once daily with or without food. Note that a monthly blood test for liver enzyme measurements for 6 months is recommended to detect potential liver problems (see side effects section).

DRUG INTERACTIONS: Teriflunomide may increase blood levels of repaglinide (Prandin), paclitaxel, pioglitazone (Actos), or rosiglitazone (Avandia).

Teriflunomide may also decrease the effectiveness of warfarin (Coumadin) and increases the risk for blood clots.

Teriflunomide may increase the effects of oral contraceptives (birth control pills) containing ethinylestradiol or levonorgestrel.

Teriflunomide may decrease the blood levels of drugs such as duloxetine (Cymbalta), alosetron (Lotronex), theophylline (Respbid, Slo-Bid, Theo-24, Theolair), and tizanidine that are metabolized by the CYP1A2 liver enzymes.

Blood levels of teriflunomide may be increased by cyclosporine, eltrombopag, and gefitinib (Iressa).

PREGNANCY: Teriflunomide should not be used during pregnancy. Pregnant women, women who wish to get pregnant, or men who wish to father a child should discontinue the use of teriflunomide. Because this drug may stay in the body for as long as 2 years, women who want to become pregnant or pregnant women that have taken the drug are encouraged to enroll in the teriflunomide registry to monitor the health of the mother and the fetus. More information for the registry may be obtained by calling 1-800-745-4447. The drug can be eliminated in 11 days from the body using cholestyramine (Questran Questran Light) or charcoal.

NURSING MOTHERS: It is not known whether teriflunomide is secreted into breast milk.

SIDE EFFECTS: The most common side effects associated with teriflunomide treatment are alopecia (hair thinning or loss), diarrhea, influenza, paresthesia (tingling, burning, prickling or pricking sensations of the skin), and increase in liver enzymes. Serious liver injury, kidney problems, decrease in white blood cell counts, risk for serious infections such as tuberculosis, increase in blood potassium levels (hyperkalemia), increase in blood pressure, breathing problems, and serious skin problems were also reported in clinical studies.

REFERENCE: FDA Prescribing Information.


Medically Reviewed by a Doctor on 8/19/2014



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