Clinical trials: Deficiency Vitamins
Secondary Hyperparathyroidism, Chronic Kidney Disease
Study to Assess Patient Management Practices and Quality of Life With Paricalcitol Capsules in the Treatment of Secondary Hyperparathyroidism in Stage 3-5 Chronic Kidney Disease Patients Not Yet on Dialysis
Paricalcitol capsules (Zemplar®) received marketing authorization in Sweden in late 2007 for the prevention and treatment of secondary hyperparathyroidism in patients with Stage 3 \& 4 Chronic Kidney Disease (CKD).
- Trial name
- CAPITOL (NCT01265992)
- Where
- 10 sites in Sweden
- Volunteers
- 50 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Vitamin D Deficiency
A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009)
This study will assess the effectiveness of an investigational drug in elderly subjects with low vitamin D levels.
- Trial name
- NCT00242476
- Testing
- MK0822A
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Intestinal Failure-associated Liver Disease
Prevalence of Liver Disease in Patients Dependent on Parenteral Nutrition
This is a multi-center prospective cross-sectional observational study that will assess the prevalence of liver disease in patients dependent on parenteral nutrition (PN) for 4 or more days per week.
- Trial name
- THRIVE-1 (NCT05011370)
- Where
- 15 sites in United States, Denmark and 2 more
- Volunteers
- 80 people
- Sponsor
- Protara Therapeutics
X-Linked Hypophosphatemia
Study of Longitudinal Observation for Patient With X-linked Hypophosphatemic Rickets/Osteomalacia in Collaboration With Asian Partners
Through observation of patients with X-linked hypophosphatemic rickets/osteomalacia (XLH) for up to 10 years, the study intends to collect data that allow achievement of the following objectives: 1.
- Trial name
- SUNFLOWER (NCT03745521)
- Testing
- no intervention
- Where
- Japan
- Volunteers
- 226 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin C Deficiency
The Effect of Liposome Vitamin C on the Absorption and Metabolism of the Human Body.
To evaluate the difference between vitamin C in the form of oral liposomes and general vitamin C in a fixed period of time in plasma and urine.
- Trial name
- NCT04886752
- Testing
- vitamin C without liposome, liposomal process A vitamin C, liposomal process B vitamin C (Double Nutri™)
- Where
- Taiwan
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.
Alopecia Areata, Depressive Episode
The Epidemiology, Management, and the Associated Burden of Related Conditions in Alopecia Areata
This study series consists of four related studies and aims to explore and describe many important elements of alopecia areata over three key areas: (1) the current epidemiology of alopecia areata, (2) the prevalence and…
- Conditions
- Alopecia Areata, Depressive Episode, Recurrent Depressive Disorder, Anxiety Disorders
- Trial name
- NCT04239521
- Testing
- Exposure of interest (studies 2 & 3).
- Where
- United Kingdom
- Volunteers
- 51,955 people
- Sponsor
- Momentum Data
Hypophosphatasia (HPP)
A Retrospective Study of the Natural History of Patients With Severe Perinatal and Infantile Hypophosphatasia (HPP)
This study aims to characterize the natural history of patients with severe perinatal or infantile onset HPP.
- Trial name
- NCT01419028
- Where
- 12 sites in United States, Australia and 5 more
- Volunteers
- 48 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Secondary Hyperparathyroidism
Etelcalcetide to Treat Secondary Hyperparathyroidism in Hemodialysis Patients With Chronic Kidney Disease-Mineral and Bone Disorder
The purpose of this study is to evaluate the effect of thrice weekly intravenous (IV) administration of etelcalcetide in the treatment of secondary hyperparathyroidism (SHPT) in hemodialysis patients with chronic kidney…
- Trial name
- NCT01414114
- Testing
- Etelcalcetide
- Volunteers
- 37 people
- Sponsor
- KAI Pharmaceuticals
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
Hypophosphatasia (HPP)
Safety and Efficacy Study of Asfotase Alfa in Severely Affected Infants With Hypophosphatasia (HPP)
This clinical trial studies the safety and efficacy of asfotase alfa in infants and young children with infantile onset HPP.
- Trial name
- NCT00744042
- Testing
- asfotase alfa
- Where
- 10 sites in United States, Canada and 2 more
- Volunteers
- 11 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Vitamin C Deficiency, Acute Disease
A Long-term Study to Describe the Use of PASCORBIN® 7.5 g in Patients With Vitamin C Deficiency
The aim of this long-term observational study is the documentation of the use of PASCORBIN® 7.5 g in patients with vitamin C deficiency.
- Conditions
- Vitamin C Deficiency, Acute Disease, Chronic Disease
- Trial name
- NCT02422901
- Testing
- vitamin C
- Where
- Germany
- Volunteers
- 5,000 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
Rickets
Specturi Device - Feasibility Study
On a daily basis many (prematurely born) newborn are subjected to different urine collecting techniques to study biochemical abnormalities.
- Trial name
- NCT03105557
- Testing
- Urinary collecting device
- Where
- Netherlands
- Volunteers
- 20 people
- Sponsor
- Capturin Distribution B.V.
Vitamin D Deficiency, Vitamin D Insufficiency
Efficacy and Safety of Calcifediol vs Placebo in Subjects With Vitamin D Deficiency
This is a randomised, double-blind, double-dummy, multicentre, dose-ranging clinical trial in subjects with vitamin D deficiency or insufficiency.
- Trial name
- WORFEROL (NCT04735926)
- Testing
- Calcifediol 75mcg, Calcifediol 100mcg, Calcifediol 125mcg
- Where
- 55 sites in Bulgaria, Czechia and 5 more
- Volunteers
- 674 people
- Sponsor
- Faes Farma, S.A.
Embolism and Thrombosis, Embolism
The Clinical and Economic Impact of Pharmacogenomic Testing of Warfarin Therapy in Typical Community Practice Settings
The purpose of this quasi-experiment study, which could also be classified as a prospective observational intervention study, is to assess the impact of cytochrome P450 2C9 (CYP 2C9) and vitamin K epoxide reductase complex…
- Conditions
- Embolism and Thrombosis, Embolism, Vascular Diseases, Warfarin
- Trial name
- MHSMayoWarf1 (NCT00830570)
- Testing
- CYP 2C9 and VKORC1 Testing for Warfarin
- Where
- United States
- Volunteers
- 1,635 people
- Sponsor
- Medco Health Solutions, Inc.
X-Linked Hypophosphatemia
Registry for Patients With X-Linked Hypophosphatemia
This is an international, multicentre, prospective, non-interventional, observational Registry of patients with X-Linked hypophosphatemia (XLH).
- Trial name
- NCT03193476
- Where
- 118 sites in Belgium, Bulgaria and 18 more
- Volunteers
- 1,489 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
B12 Deficiency Vitamin, Energy Supply; Deficiency
An Exploratory Investigation of a B12 Vitamin to Increase Energy and Focus
This study aims to examine the effects of Sourse's Hype Bites at being able to increase vitamin B12 levels to promote positive health outcomes. Participants will consume Hype Bites daily.
- Conditions
- B12 Deficiency Vitamin, Energy Supply; Deficiency, Mood
- Trial name
- NCT05517005
- Testing
- Hype Bites Supplement
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Sourse
Vitamin D Deficiency
Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3
Vitamin D is a commonly available essential prohormone humans need to regulate blood calcium and has recently emerged as potentially helpful in combating severe COVID-19.
- Trial name
- ViDAS (NCT04885803)
- Testing
- Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test
- Where
- United States
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Inspired Life Medical, Inc.
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Pediatric Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in pediatric Chinese patients with XLH
- Trial name
- NCT04842032
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 28 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Osteoporosis, Vitamin D Deficiency
A Study to Evaluate the Safety, Tolerability, and Efficacy of an Investigational Drug and Dietary Supplement in Men and Postmenopausal Women With Osteoporosis (0217A-227)
The purpose of this study is to test the safety, tolerability and effectiveness of an investigational drug and dietary supplement to reduce the risk of vitamin D insufficiency and deficiency during the treatment of osteoporosis…
- Trial name
- NCT00092066
- Testing
- MK0217A, alendronate sodium (+) cholecalciferol / Duration of Treatment: 15 weeks
- Volunteers
- 717 people
- Sponsor
- Organon and Co
Iron Deficiency Anemia
Effectiveness and Acceptability of LISEFEX® (Liposomal Iron With Vitamin C and Fiber) in People With Iron Deficiency Anemia.
Observational, descriptive, prospective, longitudinal, multicenter, non-interventionist and multicentric study in Mexican subjects diagnosed with mild to moderate iron deficiency anemia (ADH).
- Trial name
- NCT07483645
- Where
- Mexico
- Volunteers
- 74 people
- Sponsor
- Carnot Laboratories