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90 studies found for:    Open Studies | "Vitamin A"
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Rank Status Study
21 Recruiting Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration Using a 22 vs 25-Gauge Needle
Conditions: Malignant Neoplasm of Respiratory and Intrathoracic Organ Carcinoma;   Lung Cancer
Interventions: Device: 25-Gauge Needle;   Device: 22-Gauge Needle;   Procedure: Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration (EBUS-TBNA)
22 Recruiting Phase 2 Tolerability and Effects of ALK-001 on Stargardt Disease
Conditions: Stargardt Disease;   Stargardt Macular Degeneration;   Stargardt Macular Dystrophy;   Autosomal Recessive Stargardt Disease 1 (ABCA4-related)
Interventions: Drug: ALK-001;   Drug: Placebo
23 Recruiting Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application
Conditions: Obesity;   Rhinitis;   Rhinitis, Allergic;   Respiratory Sounds;   Dyspnea;   Headache;   Migraine Disorders;   Arthritis;   Arthralgia;   Anxiety;   Sleep Initiation and Maintenance Disorders;   Sleep Deprivation
Interventions: Dietary Supplement: Vitamin A;   Dietary Supplement: Vitamin B6;   Dietary Supplement: Vitamin C;   Dietary Supplement: Nicotinamide;   Dietary Supplement: Vitamin D3;   Dietary Supplement: Vitamin E;   Other: Broccoli;   Other: Spinach;   Dietary Supplement: Caffeine;   Other: Coffee;   Device: Axon Eyewear;   Other: Chocolate
24 Recruiting Botulinum Toxin Type A Block of the Otic Ganglion in Chronic Cluster Headache: Safety Issues
Condition: Cluster Headache
Interventions: Drug: Botulinum Toxin Type A 25 IU;   Drug: Botulinum Toxin Type A 12.5 IU
25 Not yet recruiting Intercostal Liposomal Bupivacaine for the Management of Blunt Chest Wall Trauma
Conditions: Blunt Chest Wall Trauma;   Rib Fracture;   Sternal Fracture
Interventions: Drug: Liposomal bupivacaine;   Drug: 0.9% sodium chloride
26 Recruiting Vitamin D Repletion and Maintenance in IBD: How Much and How Often
Conditions: Inflammatory Bowel Diseases;   Vitamin D Deficiency
Intervention: Dietary Supplement: Vitamin D (ergocalciferol and/ or cholecalciferol)
27 Recruiting Edoxaban Treatment Versus Vitamin K Antagonist in Patients With Atrial Fibrillation Undergoing Percutaneous Coronary Intervention
Condition: Atrial Fibrillation
Interventions: Drug: Edoxaban;   Drug: Clopidogrel;   Drug: Prasugrel;   Drug: ticagrelor
28 Recruiting Assessment of the Predictive Value of the Acetic Acid Test in Surgery Condition for the Detection of Dysplastic Lesions in Patients With Anal Condylomatosis
Condition: Anal Condyloma
Intervention: Procedure: acetic acid test
29 Recruiting The Efficacy of Severe Whitening and Delayed Fading in Acetic Acid-enhanced Endoscopy for Diagnosing Gastric Intestinal Metaplasia
Condition: Gastric Intestinal Metaplasia
Interventions: Procedure: acetic acid-enhanced endoscopy;   Drug: Acetic Acid;   Device: endoscope
30 Recruiting Impact of Intraduodenal Acetic Acid Infusion on Pancreatic Duct Cannulation During Endoscopic Retrograde Cholangiopancreatography: a Double-blind, Randomized Controlled Trial
Condition: Pancreatic Duct Cannulation During Endoscopic Retrograde Choledochopancreatography
Interventions: Dietary Supplement: acetic acid;   Dietary Supplement: saline
31 Recruiting Acetic Acid for Optical Characterization of Colonic Polyps
Condition: Colonic Polyps
Intervention: Device: NBI + Acetic Acid (AA)
32 Recruiting "Acetic Acid Chromoendoscopy in Barrett's Esophagus Surveillance
Condition: Barrett's Esophagus
Interventions: Drug: Chromoendoscopy using Acetic Acid 2.5%;   Other: Standard random esophageal biopsies
33 Recruiting "Using Dilute Vinegar to Find Changes in Cells During Endoscopy for Patients With Barrett's Oesophagus" (The ABBA Study)
Condition: Barrett Esophagus
Interventions: Drug: Acetic Acid;   Procedure: Non targeted quadrantic biopsies
34 Recruiting Spinal Versus Caudal Analgesia After Pediatric Infra-umbilical Surgery
Condition: Pain, Postoperative
Interventions: Drug: Intrathecal hyperbaric bupivacaine 0.25mg/kg 0.5%;   Drug: caudal plain bupivacaine 2.5mg/kg 0.25%
35 Recruiting DIVIT Study Diet and Vitamin Supplementation in Patients With a Neuroendocrine Tumor
Condition: Neuroendocrine Tumor
Interventions: Dietary Supplement: Vitamin supplement;;   Other: Diet advice
36 Recruiting Bevacizumab Versus Cidofovir for the Treatment of Recurrent Respiratory Papillomatosis
Condition: Recurrent Respiratory Papillomatosis
Interventions: Drug: Bevacizumab;   Drug: Cidofovir;   Other: Placebo
37 Recruiting Triamcinolone Injections for Persistent Choroidal Effusions Post Glaucoma Surgery
Conditions: Glaucoma;   Choroidal Effusions
Interventions: Drug: Triamcinolone Acetonide 1 ml of 40 mg/mL suspension;   Drug: Prednisolone acetate 1%
38 Recruiting Medial Branch Block vs Para-spinal Muscle Injection in Patients With Non-specific Chronic Low Back Pain
Condition: Low Back Pain, Mechanical
Interventions: Other: Medial branch block in one side;   Other: paravertebral deep intramuscular (PDI) injection
39 Recruiting Fat Malabsorption in Chronic Pancreatitis
Condition: Chronic Pancreatitis
Intervention: Drug: Creon36™
40 Recruiting Use of High-Resolution Microendoscopy (HRME) in Patients With Cervical Dysplasia
Condition: Cervical Cancer
Interventions: Drug: Proflavine;   Device: HRME Imaging;   Behavioral: Phone Call;   Procedure: Colposcopy;   Drug: Acetic Acid

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Study has passed its completion date and status has not been verified in more than two years.