As per the the warning letter sent by the USFDA over the two plants, the inspectors identified significant violations of current good manufacturing practice (CGMP) regulations for finished pharmaceuticals and deviations from CGMP for the manufacture of active pharmaceutical ingredients (APIs).
"These violations and deviations cause your drugs to be adulterated, the methods used in, or the facilities or controls used for, their manufacture, processing, packing, or holding do not conform to, or are not operated or administered in conformity with, CGMP," USFDA noted.
The USFDA said during the inspection it found that the company did not adequately investigate out-of-specification (OOS) laboratory test results.
"For example, the following OOS investigation reports associated with potency and content uniformity specifications for warfarin sodium, a narrow therapeutic index drug, failed to identify a root cause or provide adequate corrective actions," it said.
Besides, USFDA said Cadila Healthcare failed to establish and follow adequate written procedures describing the handling of all written and oral complaints regarding a drug product.
Complaints were reported by different pharmacies and distributors, it added.
"During your investigations of these complaints, you documented that some of the mixed-up drugs were manufactured on adjacent equipment lines, but you never completed the root cause analysis," FDA said.
The USFDA said the company failed "to establish written
Besides, the company failed to exercise sufficient controls over computerised systems to prevent unauthorised access or changes to data, the letter said.
Until the company completes all corrections and the USFDA has confirmed compliance with CGMP, the regulator may withhold approval of any new applications or supplements listing, it said.
The warning letter follows inspection of the two facilities between August 28-September 5 and December 1-6, 2015 respectively by FDA inspectors.
Cadila Healthcare shares today ended at Rs 319.30 apiece on the BSE, up 1.83 per cent from previous close.
