After strict regulations governing clinical trials were implemented in January last year, the quantum of tests conducted across India have reduced by less than 50 per cent.
While from 2005 to 2012, there was steady increase of commercial clinical trials being commissioned by the pharmaceutical companies after a nod from Drugs Controller General of India (DCGI), the number has seen a steep decline since 2013, doctors at Tata Memorial Hospital (TMH) in Mumbai said.