Clinical trials: Deficiency Vitamins
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.
Diarrhea, Infantile
Study on the Association Between Vitamin C Deficiency and Diarrhea in Children
Diarrheal disease is the second leading cause of death in children under five, althought it is both preventable and treatable. The causative factors of diarrheal diseases vary a lot from region to region (bacteria, viruses…
- Trial name
- VITAL (NCT05328037)
- Testing
- Blood sample collection
- Where
- 3 sites in Central African Republic, France and 1 more
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Healthy Volunteers
Predictive Questionnaire for Vitamin D Insufficiency in Healthy Adults
The purpose of this clinical study is to evaluate the metrological properties of a questionnaire that aims to identify the vitamin D status in reference to a vitamin D blood dosage.
- Trial name
- NCT02408679
- Testing
- Blood sampling, Predictive questionnaire for vitamin D insufficiency
- Where
- France
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Lesieur
Hypophosphatasia
Post-approval Clinical Study of Asfotase Alfa Treatment for Patients With Hypophosphatasia (HPP) in Japan
This is a multicenter study in Japan. Eleven sites which have already participated in the investigator-initiated clinical study (Early Access Program) will participate in this study.The objective of this study is to gain further…
- Trial name
- NCT02531867
- Testing
- Asfotase Alfa
- Volunteers
- 13 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Hypophosphatasia
Safety and Efficacy Study of Asfotase Alfa in Adolescents and Adults With Hypophosphatasia (HPP)
This clinical trial was 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
- NCT01163149
- Testing
- asfotase alfa
- Where
- 3 sites in United States, Canada
- Volunteers
- 19 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Diabetes Mellitus, Vitamin D Deficiency
Effect of Vitamin D Supplementation on Hemoglobin A1c
This is a prospective, randomized, non-blinded interventional study that will investigate the effect of a vitamin D supplement on HbA1c in patients with uncontrolled type 2 diabetes mellitus (DM) and vitamin D deficiency.
- Trial name
- NCT01354262
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Ascension Health
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
Study of the Anti-FGF23 Antibody, Burosumab, in Adults With XLH
This is phase 3b open-label, international, multicenter study to continue to monitor the long-term safety and efficacy of burosumab in adult patients with XLH that participated in previous clinical trials with burosumab…
- Trial name
- NCT03920072
- Testing
- Burosumab
- Where
- 10 sites in France, Ireland and 2 more
- Volunteers
- 35 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
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.
Hypophosphatasia, Bone Disease
Non-interventional Substudy of ALX-HPP-502 to Assess Natural History of Patients With Juvenile-onset HPP Who Served as Historical Controls in ENB-006-09
The purpose of this study is to characterize the natural history of HPP in patients with Juvenile-onset HPP who served as historical controls in ENB-006-09.
- Trial name
- NCT02235493
- Testing
- Retrospective Case Only
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Vitamin D Deficiency
Comparative Pharmacokinetics of Two Different Oral Delivery Systems of Cholecalciferol
The aim of this study is to adapt the gold standard of research and to explore the comparative bioavailability and clinical efficacy of the two most commonly used forms of Cholecalciferol i.e. ampoules and softgel capsules.
- Trial name
- PLUTO (NCT05104970)
- Testing
- SunnyD insta ampoule, SunnyD STAT softgel capsule
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Scotmann Pharmaceuticals
Retinal Disease, Age-Related Macular Degeneration
Stem Cell Ophthalmology Treatment Study II
This study will evaluate the use of autologous bone marrow derived stem cells (BMSC) for the treatment of retinal and optic nerve damage or disease.
- Conditions
- Retinal Disease, Age-Related Macular Degeneration, Retinitis Pigmentosa, Stargardt Disease
- Trial name
- SCOTS2 (NCT03011541)
- Testing
- Arm 1
- Where
- 4 sites in United States, Austria and 1 more
- Volunteers
- 500 people
- Sponsor
- MD Stem Cells
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Subjects With X-linked Hypophosphatemic Rickets/Osteomalacia
The objective of this study is to assess the safety and tolerability of KRN23 after a single subcutaneous (SC) administration in subjects with X-linked hypophosphatemic rickets/osteomalacia (XLH) in Japan or Korea.
- Trial name
- NCT02181764
- Testing
- KRN23
- Where
- 2 sites in Japan, South Korea
- Volunteers
- 15 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Iron Deficiency Anemia
Nutrient Fortified Oat Drink
This study will follow a randomized, double-blind, placebo-controlled, parallel-group design to test if an oat beverage fortified with iron, zinc vitamin A and vitamin C will improve nutrient status and iron deficiency in young…
- Trial name
- NCT01418898
- Testing
- Dietary Intervention
- Where
- Philippines
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Anemia in Pregnancy, Preeclampsia
A Retrospective Analysis of Neevo®/Neevo®DHA Compared to a Standard Prenatal Vitamin in Anemia During Pregnancy
This study is a multi-site, retrospective chart review to determine the effect of Neevo® or Neevo®DHA (with higher folate and B12) versus standard prenatal vitamins on hemoglobin (Hgb) levels in pregnant women throughout the…
- Trial name
- NCT01062958
- Testing
- Neevo® (a medical food), Prenatal vitamins (≤1mg folic acid, 27 - 35mg iron, and ≤12mcg vitamin B12)
- Where
- 3 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pamlab, Inc.
Hypertension, Hyperhomocysteinemia
CSPPT- Chronic Kidney Diseases Study
The purpose of this trial is to confirm that enalapril maleate and folic acid tablets is more effective in preventing renal function decline among the patients with primary hypertension when compared to enalapril maleate.
- Trial name
- CSPPT-CKD (NCT01871740)
- Testing
- Enalapril maleate and folic acid tablets, Enalapril maleate
- Where
- 2 sites in China
- Sponsor
- Shenzhen Ausa Pharmed Co.,Ltd
FGF23-related Hypophosphataemic Rickets and Osteomalacia
Post Marketing Surveillance Study to Observe Safety and Effectiveness of CRYSVITA® in S. Korean Patients
The objective of this post-marketing surveillance (PMS) study is to assess the safety and effectiveness of CRYSVITA injection 10, 20, and 30mg, equivalent to in routine clinical settings
- Trial name
- NCT06202027
- Testing
- FGF23-related hypophosphataemic rickets and osteomalacia
- Where
- 13 sites in South Korea
- Volunteers
- 100 people
- Sponsor
- Kyowa Kirin Korea Co., Ltd.
Endothelial Dysfunction, Hyperhomocysteinemia
Effect of L-Arginine and Pycnogenol on Light to Moderate Hypertension and Endothelial Function
The effect of a combination product (Verum ) with L-arginine, Pycnogenol, vitamin K2, R-(+)-alpha-lipoic acid and vitamins B6, B12 and folic acid is investigated in a double blind placebo-controlled cross-over study.
- Conditions
- Endothelial Dysfunction, Hyperhomocysteinemia, Hypertension Grade I, Subgroup "Borderline" (WHO)
- Trial name
- NCT02392767
- Testing
- Verum
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Dr. Loges & Co. GmbH
X-Linked Hypophosphatemia
Efficacy and Safety of Burosumab Versus Oral Phosphate and Active Vitamin D Treatment in Pediatric Patients With XLH
The primary objective of this study is to evaluate the effect of KRN23 (burosumab) therapy in improving rickets in children with XLH compared with active control (oral phosphate/active vitamin D).
- Trial name
- NCT02915705
- Testing
- burosumab, Oral Phosphate Supplement, active vitamin D
- Where
- 16 sites in United States, Australia and 5 more
- Volunteers
- 61 people
- Sponsor
- Kyowa Kirin, Inc.
Prevention of Vitamin Deficiency During and/or Before Pregnancy
A Study to Gather Information About the Progress and Outcomes of Pregnancy in Women Using Various Vitamin Support Plans Before and During Pregnancy
This is an observational study in which data from the participants who will be taking different vitamin supplementation regimes before and during pregnancy.
- Trial name
- NCT05062044
- Testing
- Multivitamins (Elevit, BAY987808), Multivitamins (Elevit, BAY2906300), Multivitamins (Elevit, BAY987386)
- Where
- 3 sites in Kazakhstan, Russia and 1 more
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Bayer