Welchol is an anti-diabetic drug owned by Daiichi Sankyo Inc. It contains the active ingredient colesevelam hydrochloride and was first authorized for market use on April 3, 2019. The drug has 1 patent, which has already expired.
The generic version of Welchol is possible to be released after April 17, 2022. This release date is due to the fact that the last patent, US7229613, expired on that day.
Welchol is primarily used as a method for reducing serum glucose levels in adults diagnosed with type 2 diabetes mellitus. The effectiveness of the drug is attributed to its active ingredient, colesevelam hydrochloride.
Welchol had a single patent, US7229613, which was titled as 'Method for lowering serum glucose'. This patent expired on April 17, 2022, paving the way for Welchol generic possibilities. Below are the details of the patent: