Skip to main content
. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Nat Neurosci. 2021 Feb 1;24(3):297–311. doi: 10.1038/s41593-020-00778-1

Table 3.

Gene therapy trials for HD, SMA and ALS

Gene therapy Delivery route Identifier Phase Patients Primary endpoint Duration Ref
Huntington’s disease Total HTT
ASO-HTT IT NCT02519036 1/2 Early manifest HD, age 25-65 Safety and tolerability 2015-2017 124,136,154
ASO-HTT IT NCT03342053 2 From NCT02519036 Safety and tolerability 2017-2019
ASO-HTT IT NCT04000594 1 Manifest HD, age 25-65 Pharmacokinetics and pharmacodynamics 2019-2021
ASO-HTT IT NCT03761849 3 Manifest HD, age 25-65 Disease progression and total functional capacity 2019-2022 124
ASO-HTT IT NCT03842969 3 Patients who participated in prior RG6042 (ASO-HTT) studies Long-term safety and tolerability, suicide risk, cognition 2019-2024
AAV5-miHTT IP (striatum) NCT04120493 1/2 Early manifest HD, ≤ 40 CAG repeats in HTT Safety 2019-2026
Mutated HTT ASO-mHTT IT NCT03225833 1/2 Early manifest HD, carrying a targeted SNP rs362307, age 25-65 Safety and tolerability 2017-2020 136
ASO-mHTT IT NCT03225846 1/2 Early manifest HD, carrying a targeted SNP rs362331, age 25-65 Safety and tolerability 2017-2020 136
SMA SMN1 AAV9-SMN IV NCT02122952 1 Type 1 SMA, ≤ 6 or 9 months of age Safety 2014-2019 2,55
AAV9-SMN IV NCT03306277 3 Type 1 SMA, ≤ 6 months of age Independent sitting, survival 2017-2019
AAV9-SMN IV NCT03381729 1 Type 2 SMA (onset at < 12 months of age), age 6 to 60 months Safety and tolerability 2017-2021
AAV9-SMN IV NCT03461289 3 Type 1 SMA, ≤ 6 months of age Sitting without support 2018-2020
AAV9-SMN IV NCT03505099 3 Pre-symptomatic SMA with 2 or 3 copies of SMN2, ≤ 6 weeks of age Independent sitting, standing without support 2018-2021
AAV9-SMN IV NCT03837184 3 Type 1 SMA, ≤ 6 months of age Sitting without support 2019-2033
SMN2 ASO-SMN2 IT NCT01494701 1 Age 2-14 Safety, tolerability, and pharmacokinetics 2011-2013 155
ASO-SMN2 IT NCT01703988 1/2 Age 2-15 Safety and tolerability 2012-2015 155
ASO-SMN2 IT NCT01780246 1 From NCT01494701 Safety and tolerability 2013-2014 155
ASO-SMN2 IT NCT01839656 2 Age ≤ 210 days, disease onset between 21 and 180 days of age Motor milestones 2013-2017 52,155
ASO-SMN2 IT NCT02052791 1 From NCT01703988or NCT01780246 Safety and tolerability 2014-2017 155
ASO-SMN2 IT NCT02292537 3 Disease onset at > 6 months of age, age 2-12 Motor function 2014-2017 155,156
ASO-SMN2 IT NCT02386553 2 SMA with 2 or 3 copies of SMN2, ≤ 6 weeks of age Respiratory intervention, survival 2015-2025 52
ASO-SMN2 IT NCT02594124 3 From NCT02193074, NCT02292537, NCT02052791, NCT01839656 Long-term safety and tolerability 2015-2023
ASO-SMN2 IT NCT04050852 1 Age 5-21 Pulmonary function 2019-2020
ASO-SMN2 IT NCT04089566 2/3 Child, adult, older adult Safety and tolerability with high doses, neuromuscular function 2020-2022
ALS SOD1 ASO-SOD1 IT NCT01041222 1 Familial ALS with SOD1 mutation, ≥18 years of age Safety, tolerability, and pharmacokinetics 2010-2012 141
ASO-SOD1 IT NCT02623699 1/2 Familial ALS with SOD1 mutation, ≥18 years of age Safety, tolerability, Pharmacokinetics and progression of disability 2016-2021 142
ASO-SOD1 IT NCT03070119 3 From NCT02623699 Long-term safety and tolerability 2017-2023
ASO-SOD1 IT NCT03764488 1 Age 18-65 Drug distribution in CNS 2018-2020
C9orf72 ASO-C9orf72 IT NCT03626012 1 ALS with C9orf72 mutation, ≥18 years of age Safety and tolerability 2018-2021
ASO-C9orf72 IT NCT04288856 1 From NCT03626012 Long-term safety and tolerability 2020-2023

Intraparenchymal (IP)

Intracisternal (IC)

Intravenous (IV)

Intrathecal (IT)