Seven patients have died in Pemex de Villahermosa regional hospital in Tabasco. Tens of other patients are thought to have suffered adverse side effects after being administered heparin manufactured by Laboratorios PiSA SA, a national medicines manufacturer.
The Federal Commission for the Protection against Sanitary Risks (COFREPRIS) has opened an investigation to ascertain whether the heparin was fake or not. After examining the Inhepar 5000 UI / mL vials which were used in the hospital, the manufacturer has stated that they had been reused – as is often the case for fake medicines.
More than 10 years ago, heparin which had been contaminated by OSCS (oversulphated chondroitin sulphate) – an adulterant used to deceive quality control tests – injured thousands of people throughout the world and killed tens of others in the US and elsewhere.
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