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Pharma Tech Outlook | Thursday, November 26, 2020
The new guidance by FDA suggests enrolling both pre-and post-menopausal women into these COC DDI studies using a Fixed sequence, randomized crossover, or parallel study design.
FREMONT, CA: Frestedt applauds the new FDA Draft Guidance for Industry “Clinical Drug Interaction Studies With Combined Oral Contraceptives.” This document discusses the need for drug-drug interaction (DDI) studies with combined oral contraceptives (COCs) containing estrogen and progestin when used to prevent pregnancy. The FDA reports COCs are highly effective in preventing pregnancy when used correctly. Unfortunately, interactions between COCs and other drugs may increase pregnancy risk or compromise patient safety by changing estrogen or progestin metabolism. For example, this guidance states increased estrogen and/or progestin levels can increase the risk of blood clots in veins, which is a rare but serious adverse event.
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Women of childbearing age often use COCs and other drugs concurrently and safely; however, DDIs between COCs and investigational new drugs have not been well studied in the past. This guidance is intended to help sponsors determine when DDI studies between investigational drugs and COCs are needed, how COC DDI studies should be designed and conducted, and what DDI data should be communicated on the drug labeling. The FDA is putting forward their current thinking about the types of in vitro (benchtop experiments) and/or clinical (human trials) assessments, which will be needed for investigational new drug approval in the future. This guidance details the need to evaluate enzymes involved in progestin and estrogen metabolism, including cytochrome P450 3A (CYP3A).
Since its inception, the Frestedt has been delivering in-depth expertise in creating, running, and monitoring clinical trials, alongside the development and negotiation of regulatory submissions within a company or with regulatory authorities around the world. “We specialize in delivering strategic consulting services and exquisitely targeted clinical, regulatory, quality, and engineering system solutions for the pharmaceutical, medical device, biotechnology, and food-related industries,” says Dr. Joy Frestedt, President & CEO at Frestedt.
Frestedt was featured as one of the Top 10 CROs 2019 in Pharma Tech Outlook.
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