The US Supreme Court has lifted a stay on document discovery in a multi-state lawsuit in which dozens of generics companies – including Teva, Mylan and Pfizer – are accused of price fixing. The ruling will allow a swathe of documents to be released in what Connecticut’s attorney general has said is potentially “the largest cartel case” in US history.

Daraprim, which saw its price jacked up by 4,000% by former drug company executive Martin Shkreli, now has a competitor with the US Food and Drug Administration’s approval of the first generic version of the nearly seven-decade-old drug used to treat a life-threatening parasitic infection known as toxoplasmosis.

US generics company Akorn, which has been struggling since Germany’s Fresenius walked away from a $4.3bn merger three years ago, plans to put itself up for sale under an extended standstill agreement with lenders.

Sanofi has announced plans to create the world’s second-largest API manufacturer to help ease European drugmakers’ dependence on supplies of raw materials from China and India.

Bio-Thera, which has just started selling China’s first adalimumab biosimilar rival to AbbVie’s top-selling arthritis treatment Humira, has raised $241m in an IPO on the Shanghai Stock Exchange.

Aurobindo Pharma shares have nosedived after the US Food and Drug Administration said an investigation into one of the Indian drugmaker’s plants was still open, days after issuing a notice giving the site the all-clear.