Senna Safety To Be Studied By Purdue, Madaus, Novartis, Reckitt & Colman
This article was originally published in The Tan Sheet
Executive Summary
Laxative product manufacturer Purdue Pharma (Senokot) is working with Madaus AG (Agiolax), Novartis Consumer Health (Ex-Lax) and Reckitt & Colman (Senokot overseas) to "comparatively analyze" natural senna as well as sennoside laxative active ingredients, Purdue told FDA in a June 30 letter made available recently. The firm had agreed to conduct a two-year safety study on the laxative ingredient in a Sept. 3 letter to the agency (1"The Tan Sheet" Sept. 28, 1998, In Brief).