Five years after selling Idun Pharmaceuticals Inc. to Pfizer Inc., the Conatus Pharmaceuticals Inc. team has reacquired the assets and believes it can move the programs forward without running into the funding gaps that hobbled Idun.

Last month, Conatus bought the Pharma's Idun Pharmaceuticals subsidiary of Pfizer for an undisclosed sum. The deal reunited Idun with is former management team, which founded Conatus in 2005.