Clinical trials: Randomized-controlled Trial
Dental Caries
Prevention of Enamel Demineralization by Use of K18-smooth Surface Sealant
This study will evaluate effectiveness of a urethane dimethacrylate (UDMA)-quaternary ammonium methacrylate (K18) resin (UDMA-K18) smooth surface sealant to prevent biofilm attachment to tooth surfaces thereby eliminating the…
- Trial name
- K18 (NCT03306433)
- Testing
- UDMA-K18 smooth surface sealant
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Hantavirus Pulmonary Infection, Immunisation
Andes Virus DNA Vaccine for the Prevention of Hantavirus Pulmonary Syndrome Using the PharmaJet Stratis(R) Needle-Free Injection Delivery Device
This is a Phase 1, randomized, placebo controlled, double-blind, dose escalation trial of 48 males and non-pregnant females, 18-49 years old, inclusive, who are in good health and meet all eligibility criteria.
- Trial name
- NCT03682107
- Testing
- Andes virus DNA vaccine
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Anxiety, Stress
Cluster-randomized Controlled Trial of Mindfulness-Based Cognitive Therapy Effects on Anxiety and Stress
To understand the potential effectiveness of a 4 week Mindfulness-Based Cognitive Therapy intervention delivered using a smartphone application for reducing anxiety and stress within college students.
- Trial name
- NCT06019299
- Testing
- Mindfulness Practice
- Where
- United States
- Volunteers
- 289 people, healthy volunteers welcome
- Sponsor
- Michigan State University
Vitamin D Deficiency
Topical Delivery of Vitamin D3 as Vitamin D Supplementation
After obtaining the approval from the IRB of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited.
- Trial name
- NCT02735200
- Testing
- Application of topical vitamin d3 (Top-D), Application of Aloe vera gel
- Where
- Saudi Arabia
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Imam Abdulrahman Bin Faisal University
Obesity
The Safety and Efficacy of vBloc Therapy Delivered by the Maestro Rechargeable System for the Treatment of Obesity
The study evaluated the safety and efficacy of the vBloc Therapy delivered by the Maestro Rechargeable System compared to a sham control for the treatment obesity.
- Trial name
- ReCharge (NCT01327976)
- Testing
- vBloc (Active Device)
- Where
- 10 sites in United States, Australia
- Volunteers
- 239 people, healthy volunteers welcome
- Sponsor
- ReShape Lifesciences
Pain, Postoperative
Analgesic Efficacy of Interscalene Nerve Block Versus Local Infiltration Analgesia Following Total Shoulder Arthroplasty
Total shoulder arthroplasty (TSA) is considered to be a major surgical procedure resulting in severe postoperative pain, especially in the first 48 hours after surgery.
- Trial name
- NCT02876055
- Testing
- Single shot interscalene nerve block, Continuous interscalene nerve block, Local Infiltration Analgesia (LIA)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
COVID-19, SARS-CoV 2
Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection
This is a prospective, double-blind, randomized, placebo-controlled study in two distinct cohorts to evaluate the efficacy and safety of hydroxychloroquine in the prevention of COVID-19 infection.
- Trial name
- NCT04372017
- Testing
- Hydroxychloroquine, Vitamin D
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Sanford Health
Seroma
Arista for ALT Donor Sites to Reduce Drain Output
This is a single-blinded multi-institutional randomized controlled trial to evaluate the effectiveness of Arista hemostatic matrix powder (Arista® AH, C. R. Bard, Inc.
- Trial name
- NCT02477774
- Testing
- ARISTA
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Chronic Oral Food Refusal
Trial of Amitriptyline for Chronic Oral Food Refusal in Children 9 Months to 8 Years of Age
Gastrojejunal (G-J) feeding tubes are placed in infants and children who refuse to eat or are unable to eat enough to have normal growth.
- Trial name
- NCT01206478
- Testing
- Amitriptyline, Megestrol
- Where
- 3 sites in United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Ann Davis, PhD, MPH, ABPP
Healthy, Primary Immune Thrombocytopenia
A First in HumanTrial to Evaluate The Safety, Tolerability, And Pharmacokinetics Of PF-06755347
This phase 1 single ascending dose study will provide a first in human assessment of safety and tolerability of PF-06755347 in healthy adult males as well as adult males and females with Immune Thrombocytopenia (ITP).
- Conditions
- Healthy, Primary Immune Thrombocytopenia, Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Trial name
- NCT03275740
- Testing
- PF-06755347 intravenous healthy participant, PF-06755347 subcutaneous healthy participant, PF-06755347 subcutaneous ITP
- Where
- 6 sites in United States, Belgium and 3 more
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Pfizer
Leg Injuries
Effects of Foot Strengthening on the Incidence of Injuries in Long Distance Runners
The main objective of this trial is to investigate the effects of a training protocol for the foot and ankle complex on the prevalence of running related injuries on long distance runners.
- Trial name
- NCT02306148
- Testing
- Foot and ankle strengthening
- Where
- Brazil
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Orthodontics, Retention
Vacuum-formed Retainer Versus Bonded Retainer to Prevent Relapse After Orthodontic Treatment
The purpose of this trial is to evaluate and compare stability after orthodontic treatment with an Essix retainer and a bonded cuspid-to-cuspid retainer (CTC), respectively in the mandibular arch and longitudinally follow these…
- Trial name
- NCT03070444
- Testing
- CTC retainer, Essix retainer maxilla, Essix retainer mandible
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Region Gävleborg
Schizophrenia
Clinical Trial of Tolcapone for Cognition in Schizophrenia
This study will evaluate whether Tolcapone improves cognition in healthy volunteers as well as patients with schizophrenia. Talcapone is a drug that has been FDA approved for Attention Deficit Disorder and allegedly increase the…
- Trial name
- NCT00044083
- Testing
- Tolcapone
- Where
- United States
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Contraception
Maintaining Intrauterine Devices (IUDs) in Teens (MINT): A Randomization Trial
This is a pilot study to determine the feasibility for a randomized controlled trial of two forms of intrauterine contraception: the Levonorgestrel intrauterine system (LNG-IUS) and the Copper T 380A.
- Trial name
- MINT (NCT00653159)
- Testing
- Levonorgestrel-releasing intrauterine device (LNG-IUS), Copper T380A intrauterine device (CuT380A)
- Where
- 2 sites in United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Orthodontic Appliance Complication
The Effect of Using Mobile Applications for Improving Oral Hygiene
The study aims to investigate the effect of the use of mobile phone application sending reminders to patients with orthodontic fixed appliances on oral hygiene.
- Trial name
- NCT03109769
- Testing
- Mobile phone application, Verbal oral hygiene instructions
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Riyadh Colleges of Dentistry and Pharmacy
Urinary Retention Postoperative, Laparoscopic Cholecystectomy
Postoperative Urinary Retention After Reversal of Neuromuscular Block by Neostigmine Versus Sugammadex
This study is intended to be a single-site, prospective, randomized, controlled study that intends to enroll a total of 230 patients undergoing laparoscopic cholecystectomy at Parkland Hospital.
- Conditions
- Urinary Retention Postoperative, Laparoscopic Cholecystectomy, Neuromuscular Blockade, Sugammadex
- Trial name
- NCT05794503
- Testing
- Neostigmine, Sugammadex
- Where
- United States
- Volunteers
- 235 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Conditions in T74.31 or T76.31
The Nasal Changes Affected by Different Alar Base Suture Techniques After Maxillary LeFort I Osteotomy
study hypothesis 1. The aim of this study: How can the investigators predict and control the nasal changes after maxillary LeFort I osteotomy with 2 different alar base suture techniques ? 2.
- Trial name
- NCT01473745
- Testing
- conventional alar base cinch, modified alar base cinch
- Where
- Taiwan
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Coronavirus Disease (COVID-19)
Dose Ranging Trial to Assess Safety and Immunogenicity of V590 (COVID-19 Vaccine) in Healthy Adults (V590-001)
The primary objective of this study is to evaluate the safety and tolerability of V590 versus placebo and to assess the immunogenicity of V590 on Day 28.
- Trial name
- NCT04569786
- Testing
- V590
- Where
- 7 sites in United States
- Volunteers
- 232 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Delirium in Old Age
REPOSE Study: Reducing Delirium by Enhancing Postoperative Sleep With Suvorexant
This research study will evaluate the effectiveness of postoperative administration of a drug called suvorexant, to improve postoperative sleep and decrease the severity of delirium (serious confusion) in adults 65 years and…
- Trial name
- REPOSE (NCT05733286)
- Testing
- Suvorexant 20 mg
- Where
- United States
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- Duke University
Dyspareunia, Perineal Tear
Rapidly Absorbing Polyglactin 910 Versus Poliglecaprone 25 for Laceration Repair
To evaluate the rates of dyspareunia with rapidly absorbing polyglactin 910 compared to poliglecaprone 25 using a validated sexual function questionnaire.
- Conditions
- Dyspareunia, Perineal Tear, Sutured Laceration
- Trial name
- NCT03184077
- Testing
- Laceration Repair with Polyglactin 910, Laceration Repair with poliglecaprone 25
- Where
- United States
- Volunteers
- 318 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University