Clinical trials: Vitamin A Deficiency
Osteoporosis, Vitamin D Deficiency
A Study of MK0217A 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 treatment of osteoporosis in…
- Trial name
- NCT00092079
- Testing
- MK0217A, alendronate sodium (+) cholecalciferol / Duration of Treatment: 24 weeks
- Volunteers
- 652 people
- Sponsor
- Merck Sharp & Dohme LLC
Spinal Cord Injury
A Safety Study for Cethrin (BA-210) in the Treatment of Acute Thoracic and Cervical Spinal Cord Injuries
This trial is a multi-center, open-label, dose-escalation study designed to evaluate the safety, tolerability and pharmacokinetics of Cethrin in two types of spinal cord injury patients: those with a complete cervical injury or a…
- Trial name
- NCT00500812
- Testing
- Cethrin
- Where
- 8 sites in United States, Canada
- Volunteers
- 48 people
- Sponsor
- Vertex Pharmaceuticals Incorporated
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
Retinitis Pigmentosa, Usher Syndrome Type 2
An Open-Label Extension Study to Evaluate Safety & Tolerability of QR-421a in Subjects With Retinitis Pigmentosa
PQ-421a-002 (Helia) is an open-label, extension study to evaluate the safety, tolerability and efficacy of QR 421a (ultevursen) administered via intravitreal (IVT) injection in one or both eyes, in subjects ≥ 12 years of age with…
- Trial name
- HELIA (NCT05085964)
- Testing
- RNA antisense oligonucleotide for intravitreal injection
- Where
- 7 sites in United States, Canada and 1 more
- Volunteers
- 21 people
- Sponsor
- Laboratoires Thea
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.
Primary Open-Angle Glaucoma (POAG)
GVB-2001 Gene Therapy Via Intracameral Injection for the Treatment of Primary Open Angle Glaucoma
This is an investigator initiated, single center, open label, non-randomized, exploratory clinical study. The purpose is to assess the safety and preliminary efficacy of gene therapy GVB-2001 (ScAAV2-dnRhoA) delivered via…
- Trial name
- NCT06921317
- Testing
- GVB-2001-high dose, GVB-2001-low dose
- Where
- China
- Volunteers
- 6 people
- Sponsor
- IVIEW Therapeutics 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.
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
Vitamin Deficiency
Study of Absorption Characteristics of Two Multivitamin Mineral Formulations (Gel vs. Tablet/Capsule)
This clinical study is designed to evaluate difference in the AUC of the absorption of Multivitamin and minerals defined in the protocol
- Trial name
- NCT03146273
- Testing
- Multivitamins
- Where
- Israel
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Galilee CBR
Choline Deficiency, Liver Injury
Study of Choline Chloride for Injection in Adolescent and Adult Patients With Intestinal Failure Receiving Long Term Parenteral Support
TARA-001-301 is a Phase 2b/3 randomized Open-Label Dose-Selection study with an Open-Label Extension and randomized Double-Blind, Placebo-Controlled Study with Open-Label Extension to investigate the safety and efficacy of…
- Trial name
- THRIVE-3 (NCT06910943)
- Testing
- Choline Chloride for Injection
- Where
- 18 sites in United States, Belgium and 4 more
- Volunteers
- 129 people
- Sponsor
- Protara Therapeutics
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.
Vision Loss Night, Vision Disorders
OPI-NXYDLD-303 Safety and Efficacy of Phentolamine Ophthalmic Solution in Keratorefractive Surgery Participants With Decreased Mesopic Visual Acuity
The goal of this clinical trial is to learn if Phentolamine Ophthalmic Solution works to treat adults that have had keratorefractive surgery and have decreased visual acuity under mesopic conditions.
- Trial name
- LYNX-3 (NCT07140783)
- Testing
- 0.75% Phentolamine Ophthalmic Solution
- Where
- 20 sites in United States
- Volunteers
- 580 people
- Sponsor
- Opus Genetics, Inc
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.
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.
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
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
Mesopic Vision, Night Vision Loss
Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances
Safety and efficacy of 0.75% Phentolamine Ophthalmic Solution to improve mesopic low contrast visual acuity in subjects with post-refractive surgery visual disturbances.
- Trial name
- LYNX-2 (NCT06349759)
- Testing
- phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist
- Where
- 25 sites in United States
- Volunteers
- 200 people
- Sponsor
- Opus Genetics, Inc
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Pediatric Patients With X-linked Hypophosphatemic Rickets/Osteomalacia
Before switching to the post-marketing study: To evaluate the efficacy and safety of KRN23 administered subcutaneously once every 2 weeks in children with X-linked hypophosphatemic rickets/osteomalacia(XLH).
- Trial name
- NCT03233126
- Testing
- KRN23
- Where
- 4 sites in Japan
- Volunteers
- 16 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Spinal Cord Injury
Cethrin in Acute Cervical Spinal Cord Injury
This is a multicenter, randomized, double-blind, placebo-controlled Phase IIb/III study designed to evaluate the efficacy and safety of Cethrin as a treatment for acute cervical spinal cord injury.
- Trial name
- NCT02053883
- Testing
- Cethrin (BA-210)
- Sponsor
- BioAxone BioSciences, Inc.