CHICTR‐TRC‐10001093.

Methods	Randomised, parallel, controlled trial. Placebo was mentioned, but unknown if the trial was placebo‐controlled.
Participants	40 participants with SMA type II, aged 3–8 years
Interventions	Rat nerve growth factor injection for 6 months
Outcomes	Change in Pediatric Evaluation of Disability Inventory, change in electromyogram.
Notes	Study completed, but no results available. Unknown date of completion; last update received April 2017 on WHO International Clinical Trials Registry Platform.