Cinclus Pharma Holding AB is a Swedish clinical-stage pharma company and it operates as a holding company through its subsidiaries. It develops small molecules for treatment of stomach acid related diseases with a focus on the diseases GastroEsophageal Reflux Disease (GERD) and Helicobacter Pylori Infection. The company was founded by Hansson Stig Lennart, Unge Peter, Kjell Andersson and Paulsson Urban in 2014 and is headquartered in Stockholm, Sweden.