Effects of vitamin D supplementation in type 1 diabetes mellitus patients

Not Applicable

Completed

• Conditions: Type 1 diabetes mellitus (DM1); Nutritional, Metabolic, Endocrine

• Registration Number: ISRCTN32601947
• Lead Sponsor: Federal University of Pará

Brief Summary

2018 Results article in https://www.ncbi.nlm.nih.gov/pubmed/28618984 results 2020 Results article in https://pubmed.ncbi.nlm.nih.gov/33329405/ results (added 18/12/2020) 2017 Results article in https://doi.org/10.3389/fendo.2017.00199 (added 22/08/2022) 2022 Results article in https://doi.org/10.1186/s13098-022-00817-w (added 22/08/2022) 2021 Results article in http://dx.doi.org/10.2174/1573399817666210106102643 (added 22/08/2022) 2020 Results article in http://dx.doi.org/10.2174/1573399816999200729131508 (added 22/08/2022) 2024 Results article in https://pubmed.ncbi.nlm.nih.gov/38493259/ (added 18/03/2024)

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2017-07-31
• Study Completion: 2018-12-01
• Last Update Posted: 1 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

1. Diagnosis of type 1 diabetes mellitus
2. Aged between 18 and 50 years
3. Regular follow-up with an Endocrinologist
4. HbA1c =7%
5. Treatment with basal-bolus insulin (multiple daily injections) at a stable dose for at least 3 months prior visit 1 (variation of up to 10% of dose was permitted)

Exclusion Criteria

1. Previous and concomitant history of metabolic bone diseases, liver disease, abnormal glomerular filtration rate (GFR) levels
2. Patients that made use of vitamin D or calcium within the last 3 months

Study & Design

• Study Type: Interventional
• Study Design: Not specified