HIV/AIDS Update -- New Intelence Labeling: Severe Skin and Hypersensitivity Reactions
Important Drug Warning
Dear Healthcare Professional:
Tibotec Therapeutics, in cooperation with the U.S. Food and Drug Administration, would like to inform you of an important safety update to the Severe Skin Reactions WARNINGS AND PRECAUTIONS section (5.1) of the INTELENCE (etravirine) tablets prescribing information.
Specifically, the existing Warning and Precaution regarding Severe Skin Reactions has been strengthened to reflect that there have been postmarketing reports of:
Additionally, Guidance has been added that INTELENCE should be immediately discontinued when signs and symptoms of severe skin or hypersensitivity reactions develop. Given the clinical relevance of these adverse reactions, the following information regarding severe skin and hypersensitivity reactions has been included in the INTELENCE Prescribing Information:
In addition, the following sections of the INTELENCE Prescribing Information have been updated to include this new information: Highlights of Prescribing Information, Adverse Reactions and Patient Counseling. Furthermore the "What are the possible side effects of INTELENCE?" section of the patient Package Insert has also been updated.
Clinical Trials Experience
In Phase 3 studies, the most frequently reported adverse drug reaction of at least Grade 2 in severity was rash (9.0%). Stevens-Johnson syndrome, hypersensitivity reaction, and erythema multiforme were reported in < 0.1% of subjects during clinical development with INTELENCE. In general, in clinical trials, rash was mild to moderate, occurred primarily in the second week of therapy, and was infrequent after Week 4. Rash generally resolved within 1-2 weeks on continued therapy. A total of 2% of HIV-1 infected subjects in Phase 3 trials receiving INTELENCE discontinued due to rash.
Overall, the cases referenced above within clinical and post-marketing experience illustrate the importance of clinical vigilance and familiarity with the signs and symptoms of severe skin rash and hypersensitivity reactions. Additionally they also underscore the importance of immediate discontinuation of INTELENCE in cases where severe rash or hypersensitivity reaction is suspected.
Enclosed, please find the updated Prescribing Information as well as the Patient Package Insert.
Please see INTELENCE Indication and additional Important Safety Information included on page 3 and page 4 of this letter.
Tibotec Therapeutics is committed to ensuring that INTELENCE is used safely and effectively and providing you with the most current information for our products.
Should you have any questions, require further information on product safety, or wish to report adverse patient experiences, please contact Tibotec Therapeutics Medical Information at 1-877-REACH TT (1-877-732-2488).
Alternatively, adverse events may be reported to FDA's MedWatch reporting system
This article was provided by Tibotec Therapeutics.
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