Long-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 Studies

Key inclusion: * Male and female participants with a diagnosis of HeFH or HoFH who completed the ORION-16, ORION-13, ORION-20 or ORION-19 studies * Per investigator's clinical judgment, participant derived benefit from treatment with inclisiran in the ORION-16, ORION-13, ORION-20 or ORION-19 studies Key exclusion: * Participants who in the feeder ORION-16, ORION-13, ORION-20, or ORION-19 studies either screen failed or permanently discontinued from the treatment/study for any reason or had serious safety or tolerability issues related to inclisiran treatment * Any uncontrolled or serious disease, or any medical, physical, or surgical condition, that may either interfere with participation in the clinical study or interpretation of clinical study results, and/or put the participant at significant risk