CTRI/2018/10/015983.

Study name	Effectiveness of vitamin D as a supplement with conventional therapy in the treatment of diabetic peripheral neuropathy ‐ a randomized controlled clinical trial
Methods	Double‐blind, placebo‐controlled, parallel, 2‐arm RCT 3 months
Participants	Patients with diabetic peripheral neuropathy Both male and female patients > 18 years Patients who are willing to give written informed consent Target: 80
Interventions	Amitriptyline 25 mg Vitamin D
Outcomes	Vitamin D levels Pain intensity Quality of life
Starting date	10 October 2018
Contact information	Dr Melvin George Department of Pharmacology SRM Medical College Hospital and Research Centre SRM Institute of Science and Technology (SRMIST) Kattankulathur 603203 Kancheepuram, Tamil Nadu, India melvingeorge2003@gmail.com
Notes