RecruitingPhase 3Drug trialLong-term Safety and Tolerability of Inclisiran in Participants With HeFH or HoFH Who Have Completed the Pediatric ORION-16, ORION-13, ORION-20, or ORION-19 StudiesThe purpose of this open-label, single arm, multicenter extension study is to evaluate the long-term safety and tolerability of inclisiran in participants with HeFH or HoFH who have completed the ORION-16 (CKJX839C12301), ORION-13 (CKJX839C12302), ORION-20 (CKJX839C12303) or ORION-19 (CKJX839C12304) studies.