Citing manufacturing norm violations, the US Food and Drug Administration (USFDA) prohibited Ranbaxy Laboratories from distributing drugs produced at the Toansa unit in Punjab, including medicines made by the company's Ohm Laboratories facility in New Jersey.
In an order yesterday, the USFDA also prohibited Ranbaxy from providing active pharmaceutical ingredients from Toansa to other companies, including other Ranbaxy facilities, that make products for American consumers.
"We are taking swift action to prevent substandard quality products from reaching US consumers," said Carol Bennett, acting director of the Office of Compliance in the FDA's Center for Drug Evaluation and Research.
"This development is clearly unacceptable and an appropriate management action will be taken upon completion of the internal investigation," Ranbaxy Chief Executive Officer and Managing Director Arun Sawhney said.
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Expressing disappointment, the company said it "would like to apologise to all its stakeholders for the inconvenience caused by the suspension."
Ranbaxy will cooperate with the USFDA and comply with the consent decree in both letter and spirit, it said.
Ranbaxy shares plunged 19.54 per cent to Rs 335.65 at the close on the BSE.
"With this import alert, the operations of the company in US business, which contributes around 40 per cent, could come under impact unless it can compensate for the same at the earliest and manage a smooth supply of key raw material," said Sarabjit Kour Nangra, Angel Broking VP - Research Pharma.