US FDA Warning Letter Hits Huahai For Failure To Prevent Valsartan Contamination

Zhejiang Huahai should have realized its valsartan API was tainted by the probable carcinogen NDMA, FDA says in warning letter, despite earlier statement from agency leadership to the contrary.

FDA also trains Chinese regulators and manufacturers on techniques that promote safety. At a workshop in Zhejiang province, FDA’s Daniel Geffin showed Chinese regulators how he inspects equipment used to sterilize canned foods
Zhejiang Huahai warning letter is part of US FDA/industry dialogue that includes this canned food sterilization workshop in China's Zhejiang Province • Source: US FDA

Even though Zhejiang Huahai Pharmaceuticals Co. Ltd., Linhai, China, may have been following “current industry practice,” its failure to anticipate that a manufacturing process change would introduce a carcinogenic impurity into its valsartan active pharmaceutical ingredient in 2012 was inconsistent with current good manufacturing practices, FDA told the firm in a warning letter it posted Dec. 11.

In response to FDA’s Aug. 3 inspection report, the firm on Aug. 26 implored the agency to consider that the...

Pink Sheet Podcast

Learn what's happening at the US FDA. On the go.

Derrick Gingery and the team bring you a weekly "Drug Fix".

More from Compliance

Akash test for clone

 
• By 

Test article to check the clone issue

Califf: Not Wise To Create Problems Related to Chinese Pharma Supply Chain Dependence

 

The US FDA Commissioner pushed for a rebalancing of the US’s pharmaceutical supply chains while also stressing that there is a role for US-China commerce that would be risky to compromise.

French Fine 11 Firms For Failure To Meet Stock Obligations

 
• By 

A total of 748 key medicines are now affected by the four-month stock requirement, compared with 422 in 2021.

UK MHRA First-Half New Drug Approvals Show Overwhelming Use Of EU Reliance Procedures

 
• By 

The UK regulator approved 16 medicines containing a new active substance in the first half of this year, while the European Commission issued marketing authorizations for 20 NAS-containing drugs.

More from Pink Sheet

COVID Vaccines: US FDA Changes Course, Wants New Formulas To Target KP.2 Subvariant ‘If Feasible’

 
• By 

Revised recommendation is based on most recent data on circulating strains in US, where KP.3 is now dominant. Novavax sticks with plans targeting the JN.1 ‘parent strain.’

Nancy Tests New Podcast Template

 

Pink Sheet reporter and editors discuss the US FDA’s changes to the COVID-19 vaccine indication and its revocation of the vaccine emergency use authorizations, as well as new vaccine coverage and reimbursement questions.

PinkSheet-R&D-Free: ‘Ranking’ article that includes different Composer content

 
• By 

To make your document look professionally produced, Word provides header, footer, cover page, and text box designs that complement each other. For example, you can add a matching cover page, header, and sidebar. Click Insert and then choose the elements you want from the different galleries.