Clinical trials: Prevalence
Vitamin D Deficiency
Controlled Trial of Prenatal Vitamin D3 Supplementation to Prevent Vitamin D Deficiency in Mothers and Their Infants
The purpose of this research study is to compare the effects of higher dose vitamin D with commonly recommended dose in pregnant women to see which is better in achieving and/or maintaining sufficient vitamin D blood levels…
- Trial name
- PA 03-103 (NCT00610688)
- Testing
- Prenatal Vitamin, Cholecalciferol (Vitamin D3)
- Where
- 2 sites in United States, United Arab Emirates
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Decision Making
PROJECT 2 EXAMPLE: Feedback X Prevalence Using Dermatology Stimuli
Imagine that a dermatologist spends the morning seeing patients who have been referred for suspicion of skin cancer. Many of them do, in fact, have skin lesions that require treatment.
- Trial name
- NCT05244122
- Testing
- Feedback, Prevalence
- Where
- United States
- Volunteers
- 1,121 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Surgical Site Infection
Topical Treatment and Prevalence of P. Acnes
This study is about preventing surgical site infections of the shoulder. We hope to learn if clindamycin alone, benzoyl peroxide alone, or clindamycin and benzoyl peroxide together can affect growth of Propionibacterium acnes in…
- Trial name
- NCT03257202
- Testing
- Clindamycin 1% Gel, Benzoyl peroxide 5% gel, BenzaClin 5%-1% Topical Gel
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Southern California
HIV Infections, Tuberculosis
Characteristics and Prevalence of Tuberculosis and HIV in Masiphumelele Township, Cape Town, South Africa
The purpose of this study is to determine the number of people infected with tuberculosis (TB) in the Masiphumelele Township of Cape Town, South Africa, a community with high rates of TB and HIV.
- Trial name
- NCT00346476
- Where
- 2 sites in South Africa
- Volunteers
- 1,250 people, healthy volunteers welcome
- Sponsor
- CIPRA SA
ADHD, PMS
Prevalence of Lidocaine Ineffectiveness in Adults With and Without ADHD
This work will assess the prevalence in the general population of the ineffectiveness of the anesthetic Lidocaine compared to males with ADHD and females with ADHD with or without PMS.
- Trial name
- NCT03676725
- Testing
- Lidocaine gel
- Where
- 2 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- PhenoSolve, LLC
Aneuploidy
National Prevalence and Impact of Noninvasive Prenatal Testing
Information on pregnant women undergoing non-invasive prenatal testing (NIPT) at one of the Obstetrix Medical Groups Outpatient Centers between January 2012 and June 2014 will be retrospectively gathered and an analysis of the…
- Trial name
- NCT02284399
- Testing
- non-invasive prenatal testing
- Where
- 7 sites in United States
- Volunteers
- 4,488 people, healthy volunteers welcome
- Sponsor
- Obstetrix Medical Group
HIV Infection
Evaluation of Rapid HIV Self-testing Among MSM (eSTAMP)
This study seeks to determine the public health impact of providing rapid HIV test kits to men who have sex with men (MSM) so they may test themselves at their convenience.
- Trial name
- NCT02067039
- Testing
- OraQuick in home & Sure Check HIV tests
- Where
- United States
- Volunteers
- 2,665 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention
Human Papillomavirus
Prevalence of Genital HPV Infection in Males Following Introduction of Universal Male HPV Vaccination
This study will examine how common HPV infection is in teenage males in Australia before and after the introduction of universal school based vaccination of males in Australia.
- Trial name
- Impress (NCT02003508)
- Where
- Australia
- Volunteers
- 345 people, healthy volunteers welcome
- Sponsor
- The Alfred
Xerosis Cutis
Skin Health and Effectiveness of Standardized Skin Care Regimens in Nursing Home Residents
Residents of institutional long-term care facilities are at high risk for developing skin and tissue diseases, e.g. xerosis cutis (including pruritus), infections (e.g., tinea pedis, candidiasis), chronic wounds or neoplastic…
- Trial name
- NCT02216526
- Testing
- Cetaphil® Restoraderm, Excipial
- Where
- Germany
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- PD Dr. Jan Kottner
HIV Infections, Memory
Prevalence and Predictors of Neurocognitive Impairment Among HIV-infected Patients
Despite the advent of highly active antiretroviral therapy (HAART), the prevalence of neurocognitive impairment among HIV-infected patients continues to be an important issue.
- Trial name
- NCT00893815
- Where
- 3 sites in United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Henry M. Jackson Foundation for the Advancement of Military Medicine
Fecal Incontinence
Prevalence and Treatment of Anal Incontinence (AI) in Primiparous Women
Traumatic tears of the sphincter ani muscles after delivery may result in symptomatic urinary and anal incontinence, particularly in primiparas.
- Trial name
- NCT00970320
- Testing
- Pelvic floor muscle training
- Where
- Norway
- Volunteers
- 1,718 people, healthy volunteers welcome
- Sponsor
- Ostfold Hospital Trust
Hookworm Infection
Prevalence of Hookworm Infection and Community Preparedness for Hookworm Vaccine Trials in Endemic Areas of Brazil
Na-ASP-2 is a protein expressed during the larval stage of the N. americanus hookworm life cycle. In a clinical study in previously hookworm-infected adults in Brazil, this protein induced urticarial reactions (rash) in a subset…
- Trial name
- NCT00939198
- Testing
- Na-ASP-2 Skin Test Reagent
- Where
- Brazil
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Albert B. Sabin Vaccine Institute
Chronic Traumatic Brain Injury
Association of Amino Acid Prevalence and Chronic Brain Injury
Years after a suffering a brain injury, individuals remain in a physically and cognitively impaired state. The investigators believe that the concentrations of amino acids in the blood are chronically altered and yield negative…
- Trial name
- NCT02113124
- Where
- 3 sites in United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Brent Masel
Obstructive Sleep Apnea Syndrome, Restless Leg Syndrome
Prevalence of OSAS in Chinese Elderly and Its CPAP Compliance
Objective: Obstructive sleep apnoea syndrome (OSAS) is a common form of sleep-disordered breathing (SDB) causing sleep fragmentation, daytime sleepiness, cognitive function impairment, and poor health status in addition to…
- Trial name
- NCT02085720
- Testing
- CPAP therapy
- Where
- Hong Kong
- Volunteers
- 819 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Scabies, Head Lice
Impact of Community Scabies Treatment on Head Lice Prevalence in the Solomon Islands
This is a pilot study evaluating if treatment for scabies also treats headlice in the same community
- Trial name
- NCT03236168
- Testing
- Ivermectin, Permethrin 5%
- Where
- Solomon Islands
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Critical Limb Ischemia
Aspirin and Clopidogrel Reactivity in Patients With Critical Limb Ischemia (CLI)
Critical Limb Ischemia (CLI) is defined as limb pain that occurs at rest, or impending limb loss that is caused by severe compromise of blood flow to the affected extremity.
- Trial name
- NCT02094755
- Testing
- Blood draw only
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Second Mesiobuccal Canal, Maxillary First and Second Molars
Prevalence of Second Mesiobuccal Canal of Maxillary First and Second Molars Among Egyptian Population
a cross-sectional study to estimate the prevalence of a second mesiobuccal canal of maxillary first and second molars in Egyptian population using cone beam computed tomography through retrospective data analysis
- Trial name
- CBCT (NCT03225573)
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malaria, Malaria Vaccines
Epidemiology Study of Malaria Transmission Intensity in Sub-Saharan Africa
This epidemiology study was conducted in parallel with the EPI-MAL-002 (NCT02374450) and EPI-MAL-003 (NCT03855995) studies, enrolling participants from the same health and demographic surveillance system (HDSS) (or equivalent…
- Trial name
- NCT02251704
- Testing
- Assessment of body temperature, Blood sampling
- Where
- 12 sites in Burkina Faso, Ghana and 4 more
- Volunteers
- 54,115 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Diabetes Mellitus, Diabetes Complications
Prevalence of Inpatient Hyperglycemia: Risks, Complications and Outcomes
This protocol will determine the prevalence of hyperglycemia and diabetes in the elective orthopedic population at the University of Wisconsin. It will also determine if there is a difference in outcomes.
- Trial name
- NCT00585494
- Where
- United States
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Dry Eyes
Prevalence of Dry Eyes in Diabetics Compared to Non Diabetics
The purpose is to compare the prevalence of dry eyes in diabetics and non diabetics. This might help identify a group of patients at greater risk for dry eye complications.
- Trial name
- NCT01450787
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- COA Research Foundation, INC