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Beriberi clinical trials

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NCT ID: NCT03263442 Completed - Delirium Clinical Trials

High Dose Intravenous Thiamine for the Prevention of Delirium in Allogeneic Hematopoietic Stem Cell Transplantation

Start date: October 16, 2017
Phase: Phase 2
Study type: Interventional

Purpose: To conduct a randomized controlled pilot study investigating the use of high dose intravenous (IV) thiamine to prevent delirium and mitigate the long-term effects of delirium, including health-related quality of life (HRQOL), functional status, and neuropsychiatric outcomes, in patients admitted to University of North Carolina (UNC) Hospital for allogeneic hematopoietic stem cell transplant (HSCT). Participants: 60 adult inpatients admitted to the UNC Bone Marrow Transplant Unit for allogeneic stem cell transplant. Procedures (methods): Participants will be admitted for allogeneic HSCT and on the day after transplant randomized to seven days of high dose IV thiamine or placebo. Thiamine levels will be measured weekly and participants will be assessed for evidence of delirium using validated measures. Validated measures will also be used to assess cognitive function, depression, post-traumatic stress symptoms, functional status, and HRQOL prior to hospitalization and at one, three, and six months after transplant.

NCT ID: NCT03228030 Completed - Heart Failure Clinical Trials

Thiamine Supplementation in Heart Failure: a Pilot Randomized Controlled Crossover Trial

THIAMINE-HF
Start date: April 2, 2018
Phase: Phase 1
Study type: Interventional

Heart failure (HF) is a major cardiovascular disease with increasing prevalence. Thiamine deficiency is common in HF patients. Previous small studies have shown that thiamine supplementation can improve left ventricular systolic function in HF, but larger clinical studies are lacking. Given the ease of supplementation and the potential benefits in HF, we aim to conduct a pilot randomized controlled trial (RCT) using high dose thiamine supplementation in HF patients. The main goal of this pilot study is to determine the feasibility of recruitment for an RCT of thiamine supplementation.

NCT ID: NCT02464865 Completed - Obesity Clinical Trials

Thiamin Deficiency in Obese Thai Children

Start date: August 2015
Phase: Phase 4
Study type: Interventional

This study is aimed to assess the prevalence of thiamin deficiency in obese Thai children.

NCT ID: NCT02221063 Completed - Thiamin Deficiency Clinical Trials

Thiamin Fortified Fish Sauce as a Means of Combating Infantile Beriberi in Rural Cambodia

Start date: October 2014
Phase: Phase 1
Study type: Interventional

The purpose of this study is to determine whether consumption of thiamin fortified fish sauce over 6 months increases the thiamin status of women to a level consistent with a low risk of infantile beriberi. The investigators hypothesize that consumption of thiamin-fortified fish sauce will increase red blood cell thiamin concentrations, an indicator of thiamin status, in women consuming thiamin-fortified fish sauce, while concentrations will not change in women consuming a placebo fish sauce that does not contain thiamin.

NCT ID: NCT01864057 Completed - Beriberi Clinical Trials

Pharmacokinetics of Thiamine in Breastfeeding Mothers and Infants

Start date: January 2012
Phase: Phase 1
Study type: Interventional

Thiamine deficiency causes beriberi and is common in parts of rural Cambodia, where it appears to be a leading cause of infant death. The change in maternal and infant thiamine level after administration of thiamine to either Cambodian mothers or their infants is unknown. Normal human breast milk thiamine levels in thiamine-replete mothers are poorly characterized. The aim of this study is to determine if thiamine administered to nursing Cambodian mothers normalizes maternal and infant thiamine levels. Levels will also be obtained in nursing Caucasian mothers residing in the United States.

NCT ID: NCT01524315 Completed - Heart Failure Clinical Trials

Preoperative Parenteral Thiamine Supplementation in Patients Undergoing Heart Surgery

Start date: February 1, 2012
Phase: Phase 4
Study type: Interventional

The objective of this study is to determine whether preoperative parenteral thiamin supplementation does prevent the intra and early postoperative increase of lactate and whether this effect is related to the extent of thiamine deficiency in patients undergoing heart surgery. In addition the prevalence of major thiamin deficiency in patient undergoing heart surgery will be determined.

NCT ID: NCT00953823 Completed - Heart Failure Clinical Trials

The Prevalence of Thiamin Deficiency in Ambulatory Patients With Heart Failure

Start date: May 2009
Phase: N/A
Study type: Observational

Patients with heart failure are at an increased risk for thiamin deficiency (TD), for many reasons such as malnutrition and the use of diuretic drugs. Thiamin is a B vitamin that plays an important role in the production of energy in body. Therefore, low levels of thiamin may limit the amount of energy available for the heart to pump blood. Recent thiamin supplementation trials have demonstrated significant improvements in heart function. However, while clinically important, the results of these studies are limited by their small sample sizes, indirect measurement of thiamin status and reliance on hospitalized patients. Therefore, the investigators' goal is to determine the prevalence of thiamin deficiency in ambulatory patients with heart failure by direct measurement of thiamin in red blood cells.