Clinical trials: Intestinal Absorption
Cystic Fibrosis, Dysbiosis
Vitamin D and Prebiotics for Intestinal Health in Cystic Fibrosis
The study will assess if administration of high-dose vitamin D and a commonly used prebiotic (inulin) is effective to reduce gastrointestinal dysbiosis and to improve critical intestinal functions in Cystic Fibrosis with the…
- Trial name
- NCT04118010
- Testing
- Vitamin D3, Inulin
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Emory University
Short Bowel Syndrome
Evaluate the Efficacy and Safety Growth Hormone, Glutamine and Diet in Patients With Short Bowel Syndrome (SBS)
Treatment for 3.5-8 weeks with GH (0.05 mg/kg/day) +GLN+Diet, followed by continued compliance to the individualized oral diet and enteral GLN, will result in reduced volume of TPN infusion/week and/or reduced frequency of TPN…
- Trial name
- NCT00742157
- Testing
- Growth Hormone
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Nebraska
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Metabolic Syndrome X
Effects of Selective Inhibition of Cholesterol Absorption With Ezetimibe on Intestinal Cholesterol Homeostasis in Dyslipidemic Men With Insulin-resistance - a Pilot Study
Ezetimibe has been shown to inhibit cholesterol absorption and several lines of evidence from in vitro systems and animal models suggest that this effect is associated with an increase in low-density lipoprotein (LDL) receptor…
- Trial name
- EZEmRNA (NCT01849068)
- Testing
- Ezetimibe
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- Laval University
Short Bowel Syndrome
The Long-term Effect on Intestinal Absorption and Safety of Treatment With Glepaglutide in Patients With Short Bowel Syndrome
The purpose of this trial is to investigate the long-term effect of glepaglutide on the intestinal absorption, nutritional status of participants with Short Bowel Syndrome (SBS).
- Trial name
- EASE SBS 4 (NCT04991311)
- Testing
- Glepaglutide
- Where
- Denmark
- Volunteers
- 12 people
- Sponsor
- Zealand Pharma
Healthy Volunteers
Effect of Calcium 500 mg and Vitamin D3 1000 IU Chewable Tablet on Intestinal Calcium Absorption
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a novel calcium carbonate-vitamin D3 chewable tablet formulation (calcium 500 milligrams (mg) and vitamin D3 1000 International Units…
- Trial name
- NCT02338713
- Testing
- Calcichew D3, Noncarbonated Water
- Where
- France
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Takeda
Bowel; Disease, Carbohydrate Absorption, Difficulty Walking
A Trial of Preoperative CHO Drinks on Postoperative Walking Capacity in Colorectal Surgery
This prospective randomized controlled study is designed to investigate whether preoperative oral carbohydrate loading improves postoperative walking performance, a surrogate indicator for overall functional recovery, in patients…
- Conditions
- Bowel; Disease, Carbohydrate Absorption, Difficulty Walking, Colorectal Neoplasms
- Trial name
- NCT01844375
- Testing
- Carbohydrate group, Control group
- Where
- Thailand
- Volunteers
- 70 people
- Sponsor
- Mingkwan Wongyingsinn, MD
Short Bowel Syndrome
Metabolic Balance Study of Apraglutide in Patients With Short Bowel Syndrome, Intestinal Failure (SBS-IF) and Colon-in-Continuity (CIC)
The primary objective of the trial is to evaluate the safety of apraglutide in adult subjects with SBS-IF and CIC.
- Trial name
- STARSnutrition (NCT04964986)
- Testing
- Apraglutide
- Where
- 2 sites in Belgium, France
- Volunteers
- 10 people
- Sponsor
- VectivBio AG
Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder
Calcium and Phosphorus Whole-Body Balance and Kinetics in Patients With Moderate Chronic Kidney Disease
This pilot study aims to develop a method for simultaneous whole-body calcium and phosphorus balance and full kinetic modeling of both ions in patients with chronic kidney disease.
- Conditions
- Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Diseases
- Trial name
- NCT04019379
- Testing
- High Phosphorus Diet, Low Phosphorus Diet
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Minnesota
Cystic Fibrosis, Pancreatic Insufficiency
Efficacy and Safety of Ultrase® MT20 in Improving the Coefficient of Fat Absorption (CFA) in Children With Cystic Fibrosis (CF) and Pancreatic Insufficiency (PI)
This is a Phase III, multicenter, open-label study, that will evaluate the improvement of nutrient absorption when participants will receive Ultrase® MT20. This study is sponsored by Aptalis (formerly Axcan).
- Trial name
- NCT00513682
- Testing
- Ultrase® MT20
- Where
- 3 sites in United States
- Volunteers
- 9 people
- Sponsor
- Forest Laboratories
Breast Cancer, Osteoporosis
Do Aromatase Inhibitors (AIs) Decrease Intestinal Calcium Absorption?
Research Question: Do Aromatase Inhibitors Decrease Intestinal Calcium Absorption? Study Design: Postmenopausal women with early stage breast cancer initiating aromatase inhibitor adjuvant therapy will participate in this…
- Conditions
- Breast Cancer, Osteoporosis, Osteopenia, Fracture
- Trial name
- NCT00766532
- Testing
- Aromatase Inhibitor
- Volunteers
- 12 people
- Sponsor
- University of Wisconsin, Madison
Osteoporosis, Osteopenia
Does Treatment of Hypovitaminosis D Increase Calcium Absorption?
The purpose is to perform a one-year study designed to assess whether treatment of hypovitaminosis D increases intestinal absorption of calcium, subsequent retention of calcium within bone, decreases bone turnover, and favorably…
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism
- Trial name
- NCT00581828
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Obesity
Investigation of the Gut Microbiota in Regulating Nutrient Absorption in Humans
We propose to study both stool and urine energy loss in 24 individuals on two experimental diets (50% increased and 50% reduced nutrient load relative to body size) in a random cross-over design.
- Trial name
- NCT02037295
- Testing
- Vancomycin, Overfeeding diet (OF), Underfeeding diet (UF)
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Osteoporosis, Achlorhydria
Does Omeprazole Decrease Intestinal Calcium Absorption?
The purpose of this study is to measure the effect of omeprazole on intestinal calcium absorption in postmenopausal women.
- Conditions
- Osteoporosis, Achlorhydria, GERD, Hip Fracture
- Trial name
- NCT00582972
- Testing
- Omeprazole
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Chronic Kidney Disease, Stage 5, Secondary Hyperparathyroidism
A Study of Zemplar® Injection and Hectorol® Injection on Intestinal Absorption of Calcium in Chronic Kidney Disease
The purpose of this study is to evaluate the effects of Zemplar® Injection and Hectorol® Injection on intestinal calcium absorption in Chronic Kidney Disease Stage 5 subjects on hemodialysis.
- Trial name
- NCT00257920
- Testing
- Zemplar® injection, Hectorol® injection
- Where
- 2 sites in United States
- Volunteers
- 41 people
- Sponsor
- Abbott
Rheumatoid Arthritis, Crohn's Disease
Tumor Necrosis Factor Decreases Vitamin D Dependant Calcium Absorption
This study is a pilot study to determine whether patients with TNFα excess have decreased calcium absorption in response to calcitriol (1,25-dihydroxyvitamin D, the active form of vitamin D) compared to normal controls.
- Trial name
- NCT00427804
- Testing
- calcitriol
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Atlanta VA Medical Center
Osteoporosis
The Effect of Protein on Calcium Absorption and Gastric Acid Production
We have established that dietary protein is an important regulator of intestinal calcium absorption in humans. However, we do not understand the mechanism by which dietary protein is affecting calcium absorption.
- Trial name
- NCT00719160
- Testing
- esomeprazole
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yale University