U.S., Sept. 2 -- ClinicalTrials.gov registry received information related to the study (NCT07798570) titled 'Observational Study With CICR-NAM as a Food for Special Medicinal Purposes in Post-COVID Syndrome (PCS)' on July 06.

Brief Summary: In patients with post-COVID syndrome, changes in tryptophan metabolism, energy metabolism, and the gut microbiome may occur. In an earlier nutritional study, patients with COVID-19 recovered their physical performance more quickly when taking nicotinamide (vitamin B3). Patients who responded to nicotinamide also developed post-COVID syndrome less frequently. At the University Hospital Schleswig-Holstein in Kiel, special nicotinamide tablets (CICR-NAM) were developed that release the active substance sel...