House Leaders Raise Heparin Shortage Concerns with FDA

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Four House committee leaders overseeing FDA 2/2 wrote commissioner Scott Gottlieb expressing concern over the risk of worsening U.S. shortages of heparin due to new supply pressures in China, currently the source of 60% of the crude ingredients used to manufacture heparin here. In an extensively researched 13-page letter, Energy and Committee chairman Greg Walden (R-OR), vice chairman Joe Barton (R-TX), Health Subcommittee chairman Michael Burgess (R-TX) and Oversight and Investigations chairman Gregg Harper (R-MS) cited large discrepancies in China-reported import-export data for heparin since Chinese companies acquired two top U.S. producers in 2013.

 

Their areas of concern, the congressmen wrote, “relate to the following: (1) whether the Chinese heparin supply is in fact shrinking or increasing, which could affect the risks of a heparin shortage in the U.S. and could raise the risk of economically-motivated adulteration; (2) whether Chinese customs data accurately reflect Chinese export and import activity; and (3) whether the recent emergence of significant U.S. heparin [exports] to China is further constraining the U.S. domestic supply of heparin.” Since 2013, they noted, commercial data show that Chinese heparin exports to Thailand had increased ninefold, making that country the leading heparin export market, with a similar leap in exports to Hong Kong. Meanwhile, official Chinese customs data showed variously both a modest increase and a decline in the same period.

 

Although heparin was recently added to FDA’s drug shortages list, the four congressmen asked Gottlieb to produce by 3/2 a contingency response plan in the event of a heparin shortage.

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