RecruitingDrug trialATR 1072 in Participants With PRKAG2 SyndromeATR 1072 is an investigational medicine being studied in adults with PRKAG2 Syndrome. This study will evaluate the safety of ATR 1072 and how the body processes the drug. Researchers will also assess how ATR 1072 affects PRKAG2 activity and measures of heart disease.