Randomised trial to determine the effect of vitamin D and zinc supplementation for improving treatment outcomes among patients with COVID-19 in India: trial protocol

Author:

Sharma Kamal Kant,Partap UttaraORCID,Mistry Nerges,Marathe Yogesh,Wang Molin,Shaikh Sanaa,D'Costa Pradeep,Gupta Gaurav,Bromage SabriORCID,Hemler Elena C,Kain Kevin C,Dholakia YatinORCID,Fawzi Wafaie WORCID

Abstract

IntroductionPresently, there are few population-level strategies to address SARS-CoV-2 infection except preventive measures such as vaccination. Micronutrient deficiency, particularly vitamin D and zinc deficiency, has been associated with dysregulated host responses, and may play an important role in COVID-19.Methods and analysisWe have designed a 2×2 factorial, randomised, double-blind, multi-centre placebo-controlled trial to evaluate the effect of vitamin D and zinc on COVID-19 outcomes in Maharashtra, India. COVID-19 positive individuals are recruited from hospitals in Mumbai and Pune. Participants are provided (1) vitamin D3 bolus (180 000 IU) maintained by daily dose of 2000 IU and/or (2) zinc gluconate (40 mg daily), versus placebo for 8 weeks. Participants undergo a detailed assessment at baseline and at 8 weeks, and are monitored daily in hospital or every 3 days after leaving the hospital to assess symptoms and other clinical measures. A final follow-up telephone call occurs 12 weeks post-enrolment to assess long-term outcomes. The primary outcome of the study is to time to recovery, defined as time to resolution of all of fever, cough and shortness of breath. Secondary outcomes include: duration of hospital stay, all-cause mortality, necessity of assisted ventilation, change in blood biomarker levels and individual symptoms duration. Participant recruitment commenced on April 2021.Ethics and disseminationEthical approval was obtained from institutional ethical committees of all participating institutions. The study findings will be presented in peer-reviewed medical journals.Trial registration numbersNCT04641195, CTRI/2021/04/032593, HMSC (GOI)-2021-0060.

Funder

National Institutes of Health

Canadian Institutes of Health Research

Canada Research Chairs

Publisher

BMJ

Subject

General Medicine

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