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Published in: BMC Infectious Diseases 1/2022

Open Access 01-12-2022 | Tuberculosis | Research

Calcitriol supplementation accelerates the recovery of patients with tuberculosis who have vitamin D deficiency: a randomized, single-blind, controlled clinical trial

Authors: Youli Wen, Lian Li, Zhiping Deng

Published in: BMC Infectious Diseases | Issue 1/2022

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Abstract

Background

This study aimed to evaluate whether calcitriol supplementation enhances CD4+ T cell count and prognosis in patients with tuberculosis and low 25(OH)D levels.

Methods

This randomized controlled clinical trial enrolled treatment-naïve patients with tuberculosis admitted to Zigong First People’s Hospital (June 2016 to April 2017). The patients were grouped as the serum 25(OH)D ≥ 75 nmol/L (Normal-25(OH)D) and 25(OH)D < 75 nmol/L (Low-25(OH)D) groups. The Low-Vit-D group was randomized to the Low-25(OH)D and Low-25(OH)D-Calcitriol groups. All patients were treated with the 2HRZE/4HR regimen. The patients in the Low-25(OH)D-Calcitriol group received calcitriol 0.25 µg bid. The main endpoints were CD4+ T cell count during treatment, time to sputum culture conversion, time to 50% lesion absorption, and a 6-month cure rate.

Results

This study included 30 patients in each group. Baseline 25-(OH) D levels and CD4+ T cell counts were higher in the Normal-25(OH)D group than in the Low-25(OH)D and Low-25(OH)D-Calcitriol groups (25(OH)D: 79.3 ± 3.4 vs. 37.8 ± 13.4 vs. 11.9 nmol/L, P < 0.05; 671 ± 287 vs. 200 ± 110 vs. 194 ± 119 cell/µL, P < 0.05). 25-(OH) D levels and CD4+ T cell counts increased in the Low-25(OH)D-Calcitriol group during treatment to reach higher levels than in the Low-25(OH)D group at 1, 4, 8, and 24 weeks (all P < 0.05). Compared with the Low-25(OH)D group, the Low-25(OH)D-Calcitriol group showed shorter time to sputum culture conversion (3.2 ± 1.4 vs. 5.9 ± 2.5 days, P < 0.001) and time to 50% lesion absorption (7.4 ± 1.5 vs. 10.9 ± 4.0 days, P = 0.014) and similar to those in the Normal-25(OH)D group (3.1 ± 1.2 and 7.3 ± 1.5 days, respectively. The cure rate was 86.7% in the Low-25(OH)D group and 96.7% in the two other groups.

Conclusions

Calcitriol supplementation can elevate CD4+ T cell levels, shorten the time to sputum culture conversion, and accelerate lesion absorption in patients with tuberculosis and 25(OH)D deficiency.
Trial registration The study is registered at the Chinese Clinical Trial Registry (ChiCTR2000039832)
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Metadata
Title
Calcitriol supplementation accelerates the recovery of patients with tuberculosis who have vitamin D deficiency: a randomized, single-blind, controlled clinical trial
Authors
Youli Wen
Lian Li
Zhiping Deng
Publication date
01-12-2022
Publisher
BioMed Central
Published in
BMC Infectious Diseases / Issue 1/2022
Electronic ISSN: 1471-2334
DOI
https://doi.org/10.1186/s12879-022-07427-x

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Watch Dr. Anne Marie Valente present the last year's highlights in pediatric and congenital heart disease in the official ACC.24 Year in Review session.

Year in Review: Pulmonary vascular disease

The last year's highlights in pulmonary vascular disease are presented by Dr. Jane Leopold in this official video from ACC.24.

Year in Review: Valvular heart disease

Watch Prof. William Zoghbi present the last year's highlights in valvular heart disease from the official ACC.24 Year in Review session.

Year in Review: Heart failure and cardiomyopathies

Watch this official video from ACC.24. Dr. Biykem Bozkurt discuss last year's major advances in heart failure and cardiomyopathies.