New Delhi, July 11 -- Amid concerns over the misuse and counterfeiting of high-value cancer medicines, the Delhi drugs control department has directed hospitals with oncology departments to strengthen record-keeping and ensure the safe disposal of empty vials and containers of anti-cancer drugs.

The June 3 advisory (seen by HT) addressed to directors and medical superintendents of oncology hospitals in the national capital, warns that high-value anti-cancer medicines, particularly immunotherapeutic agents, are increasingly being targeted for counterfeiting, diversion and resale.

It says authorities have received reports of empty vials of genuine medicines being collected, refilled with spurious or substandard substances and reintroduced...