Clinical trials: Vitamin Deficiencies
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.
Vitamin B12 Deficiency
A Study to See if a Combination of Vitamins That is Injected Into a Muscle is as Good and Safe as a Vitamin That is Taken by Mouth
Primary efficacy objective: To investigate the effects of a parenterally vitamin B12 combination treatment versus an oral vitamin B12 mono therapy on the vitamin B12 status in female and male patients as determined by the change…
- Trial name
- EASYVIT (NCT07029698)
- Testing
- Vitamin B12, Vitamin B6, Folic acid, Vitamin B12 (Cyanocobalamin)
- Where
- 2 sites in Ukraine
- Volunteers
- 46 people
- Sponsor
- Medice Arzneimittel Pütter GmbH & Co KG
Hypophosphatasia (HPP)
Safety Study of Human Recombinant Tissue Non-Specific Alkaline Phosphatase Fusion Protein Asfotase Alfa in Adults With Hypophosphatasia (HPP)
This clinical trial studies the safety, tolerability, and pharmacology of asfotase alfa when given to adults with HPP.
- Trial name
- NCT00739505
- Testing
- Asfotase Alfa
- Where
- 3 sites in United States, Canada
- Volunteers
- 6 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
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
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
Chronic Kidney Disease stage3, Chronic Kidney Disease stage4
Phase 3 Safety and Efficacy Study of CTAP101 Extended-release Capsules in Children With Secondary Hyperparathyroidism
This is a phase 3, multi-center, randomized, double-blind, placebo-controlled study in children with stage 3-4 chronic kidney disease (CKD), secondary hyperparathyroidism (SHPT) and vitamin D insufficiency.
- Conditions
- Chronic Kidney Disease stage3, Chronic Kidney Disease stage4, Vitamin d Deficiency, Secondary Hyperparathyroidism
- Trial name
- NCT05543928
- Testing
- CTAP101
- Where
- 2 sites in United States
- Volunteers
- 2 people
- Sponsor
- OPKO Health, Inc.
Hypophosphatasia
Safety and Efficacy Study of ENB-0040 in Juvenile Patients With Hypophosphatasia (HPP)
This Clinical Trial is being conducted to study Hypophosphatasia (HPP), a bone disorder caused by gene mutations or changes. These gene mutations cause low levels of an enzyme needed to harden bone.
- Trial name
- NCT00894075
- Testing
- ENB-0040
- Sponsor
- Alexion Pharmaceuticals, Inc.
X-Linked Hypophosphatemia
Long-Term Extension Study of KRN23 in Adult Subjects With X-Linked Hypophosphatemia (XLH)
The primary objectives of this study are to: Assess the long-term safety of KRN23 subcutaneous (SC) administration in adult subjects with XLH Assess the proportion of subjects achieving serum phosphorus levels in the normal range…
- Trial name
- NCT02312687
- Testing
- KRN23
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- Kyowa Kirin, Inc.
Chronic Kidney Disease, Hyperparathyroidism, Secondary
Extension Study of CTAP101-CL-3001 or CTAP101-CL-3002
This extension study of subjects previously enrolled in studies CTAP101-CL-3001 or CTAP101-CL-3002 allows long term evaluation of the safety and efficacy of CTAP101 Capsules in reducing elevated intact parathyroid hormone (iPTH)…
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Trial name
- NCT02282813
- Testing
- CTAP101 Capsules, Calcitriol, Doxercalciferol
- Volunteers
- 298 people
- Sponsor
- OPKO Health, Inc.
X-Linked Hypophosphataemia
A UK Multicentre, Health-Related Quality of Life Study for Children and Adolescents With XLH
This study aims to provide Health-related Quality of Life (HRQoL) data from children and adolescents with growing skeletons in the United Kingdom (UK), including those treated with burosumab or alternative XLH treatment, as part…
- Trial name
- NCT04819490
- Where
- 6 sites in United Kingdom
- Volunteers
- 32 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
Vitamin D Deficiency
A Prospective, Multi-center Study to Evaluate the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency
To compare the efficacy of Vitamin D3 B.O.N. Intramuscular Injection within 12 weeks with that of placebo in adults with Vitamin D Deficiency.
- Trial name
- NCT02443246
- Testing
- Vitamin D3 B.O.N. Injection (cholecalciferol 200,000IU)
- Volunteers
- 84 people
- Sponsor
- Kwang Dong Pharmaceutical co., ltd.
Hypophosphatasia (HPP)
Safety and Efficacy of Asfotase Alfa in Juvenile Patients With Hypophosphatasia (HPP)
This clinical trial studied the safety and efficacy of asfotase alfa in children with HPP compared to a historical control group.
- Trial name
- NCT00952484
- Testing
- asfotase alfa
- Where
- 2 sites in United States, Canada
- Volunteers
- 13 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Vitamin B 12 Deficiency
Efficacy and Safety Study of Oral Eligen® B12 in Subjects With Low Serum Cobalamin
The purpose of this study is to compare the efficacy and safety profile of a new oral vitamin B12 formulation (Eligen® B12) with intramuscular B12 in restoring normal B12 (cobalamin) concentrations in subjects with low cobalamin…
- Trial name
- NCT01312831
- Testing
- Vitamin B12 (cyanocobalamin)
- Volunteers
- 49 people
- Sponsor
- Emisphere Technologies, Inc.
X-linked Hypophosphatemia
A First-in-human Study of KK8123 in Adults With X-linked Hypophosphatemia
A first-in-human study of KK8123 in adults with X-linked hypophosphatemia.
- Trial name
- NCT06525636
- Testing
- KK8123
- Where
- 10 sites in United States, Canada and 3 more
- Volunteers
- 39 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Diabetic Peripheral Neuropathy, B Vitamin Deficiency
The Nutritional Benefits of Metanx in Patients With Diabetic Peripheral Neuropathy (MEDIAN)
The objectives of the MEDIAN study are to evaluate the short-term and long-term safety and nutritional benefits of Metanx® versus placebo in subjects with mild to moderate diabetic peripheral neuropathy (DPN).
- Trial name
- MEDIAN (NCT01990092)
- Testing
- Metanx
- Where
- 25 sites in United States
- Volunteers
- 238 people
- Sponsor
- Pamlab, Inc.
Hypophosphatasia
Expanded Access Program for Asfotase Alfa Treatment for Patients With Infantile- or Juvenile-onset Hypophosphatasia (HPP)
This clinical trial is being conducted in Hypophosphatasia, a bone disorder caused by gene mutation(s) resulting in bone defects. These gene mutations cause low levels of an enzyme needed to harden bone.
- Trial name
- NCT02496689
- Testing
- asfotase alfa
- Where
- 5 sites in United States, France
- Sponsor
- Alexion Pharmaceuticals, Inc.
Bariatric Surgery Candidate
Efficacy of a Novel Multivitamin-Mineral Supplement in Preventing Vitamin Deficiency in Postoperative Bariatric Patients
Approximately 33% of the US adult population can be classified as obese based on body mass index. This epidemic of obesity has resulted in over 200,000 bariatric surgeries performed every year for the treatment of "clinically…
- Trial name
- NCT01475617
- Testing
- AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- Yasoo Health
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
A Study to Describe the Lived Experience of XLH for Adolescents at End of Skeletal Growth
An observational, prospective, mixed-methods study involving the integration of quantitative and qualitative data exploring the lived experience of burosumab-treated adolescents with XLH at the end of skeletal growth.
- Trial name
- NCT05181839
- Testing
- Burosumab
- Where
- 14 sites in France, Germany and 3 more
- Volunteers
- 25 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
X-linked Hypophosphatemia
A Repeated Study of KRN23 in Adults With X-Linked Hypophosphatemia
The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH).
- Trial name
- NCT01340482
- Testing
- KRN23
- Where
- 6 sites in United States, Canada
- Volunteers
- 29 people
- Sponsor
- Kyowa Kirin Co., Ltd.