Reviews May Ease Drug Shortages: GAO

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The Government Accountability Office (GAO) says that to help address drug shortages, FDA prioritized review of 383 drug applications and supplements between calendar years 2010 and 2015. Most were for generic sterile injectable drugs. “FDA’s approval of some of these submissions occurred before the shortage was resolved,” a new GAO report on drug shortages says. “Although the timing of FDA’s approval does not establish a causal link, it could indicate that FDA’s action helped address some shortages.”

The review found that while the number of new drug shortages has generally dropped since 2010, the number of ongoing shortages remained high. As part of FDA’s oversight of drug safety and quality, it generally issued an increasing number of GMP Warning Letters to sterile injectable drug establishments during the time period GAO reviewed. The percentage of inspections resulting in Warning Letters remained small, according to the report, even as the number of inspections increased.

Shortages of sterile injectable anti-infective and cardiovascular drugs in 2012-2014 were strongly associated with certain factors GAO examined, the watchdog agency says. Two factors — a decline in the number of suppliers and failure of at least one establishment making a drug to comply with manufacturing standards resulting in a Warning Letter — suggest that shortages may be triggered by supply disruptions, according to the report. A third factor, drugs with sales of a generic version, suggests that due to relatively low profit margins for generic drugs, manufacturers are less likely to increase production, making the market vulnerable to shortages.

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