Clinical trials: Prevalence
Acute Coronary Syndrome
Acute Coronary Syndrome KCMC
The purpose of this study is to develop a quality improvement intervention to address barriers to evidence-based acute coronary syndrome (ACS) care in northern Tanzania.
- Trial name
- NCT04563546
- Testing
- Quality Improvement
- Where
- United States
- Volunteers
- 641 people
- Sponsor
- Duke University
Thalassemia, Non-transfusional-dependent Thalassemia (NTDT), Myeloplastic Dysplasia (MDS), Other Anemia
An Epidemiological Study to Assess Iron Overload Using MRI in Patients With Transfusional Siderosis (TIMES Study)
Iron, one of the most common elements in nature and the most abundant transition metal in the body, is readily capable of accepting and donating electrons.
- Trial name
- NCT01736540
- Testing
- MRI scan
- Where
- 13 sites in Australia
- Volunteers
- 243 people
- Sponsor
- Novartis Pharmaceuticals
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
Hyperbilirubinemic Encephalopathy
Determining Prevalence of Acute Bilirubin Encephalopathy in Developing Countries
The investigators hypothesize that a new BIND (Bilirubin Induced Neurologic Dysfunction) scoring method adapted for the developing world (BIND II, developed by our team for use by health care workers), with additional…
- Trial name
- NCT01754688
- Where
- Nigeria
- Volunteers
- 624 people
- Sponsor
- University of Minnesota
Hydrocephalus
Strata Programmable CSF Shunt Valve Study
The treatment of hydrocephalus is the most time consuming, and arguably the most important role of the pediatric neurosurgical service at most children's' hospitals.
- Trial name
- NCT02737163
- Where
- United States
- Volunteers
- 95 people
- Sponsor
- Johns Hopkins All Children's Hospital
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
Pertussis
Pertussis Infection in Adolescents and Adults With Prolonged Cough
This study aims to determine the burden of pertussis infection among adolescents and adults with prolonged cough in four Asian countries, namely Malaysia, Philippines, Taiwan and Thailand.
- Trial name
- NCT01597687
- Testing
- Blood collection, Data collection
- Where
- 7 sites in Malaysia, Taiwan and 1 more
- Volunteers
- 337 people
- Sponsor
- GlaxoSmithKline
Psoriasis, Psoriatic Arthritis
Prevalence of Psoriatic Arthritis in Adults With Psoriasis: An Estimate From Dermatology Practice
This is a phase 4, multicenter, randomized, non-therapeutic interventional trial in subjects with psoriasis looking for the prevalence of psoriatic arthritis.
- Trial name
- PREPARE (NCT01147874)
- Testing
- lab draws and imaging
- Where
- 45 sites in United States, Belgium and 5 more
- Volunteers
- 1,013 people
- Sponsor
- Pfizer
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
Hemiplegia
Rotator Cuff Tears in Hemiplegic Shoulder
The purpose of the study is to evaluate the prevalence of rotator cuff tears in the shoulders of hemiplegic patients of different severity.
- Trial name
- NCT00998868
- Where
- South Korea
- Volunteers
- 51 people
- Sponsor
- Seoul National University Hospital
Transthyretin Amyloid Cardiomyopathy, Heart Failure With Preserved Ejection Fraction
Global Prevalence of ATTR-CM in Participants With HFpEF
This study is a global, multi-center study designed to estimate the global prevalence of transthyretin amyloid cardiomyopathy (ATTR-CM) within a clinically at risk population [participants with heart failure with preserved…
- Trial name
- NCT04424914
- Testing
- Scintigraphy
- Where
- 51 sites in United States, Canada and 6 more
- Volunteers
- 347 people
- Sponsor
- Pfizer
Renal Artery Stenosis
Prevalence of Renal Artery Stenosis in Patients Referred for Cardiac Catheterization
All patients referred for coronary angiography will simultaneously be evaluated for renal artery stenosis and then stenosis more than 50% will be analyzed according to clinical conditions, risk factors and lab data.
- Trial name
- RAS (NCT00885768)
- Testing
- angiography
- Where
- Iran
- Volunteers
- 146 people
- Sponsor
- Imam Khomeini Hospital
Streptococcus Pneumoniae Infections
Prevalence of Nasopharyngeal Carriage of Streptococcus Pneumoniae in Healthy Children of 12-18 Months in 6 Cities, China
This study is to observe the carriage rate of Streptococcus pneumoniae (S.p.), Haemophilus influenzae Type B (Hib) and Moraxella catarrhalis (M.Cat.) in healthy Chinese children aged 12-18 months in order to estimate the…
- Trial name
- NCT00952367
- Testing
- Nasopharyngeal swab
- Where
- 6 sites in China
- Volunteers
- 3,641 people, healthy volunteers welcome
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Cerebrotendinous Xanthomatosis (CTX)
Cerebrotendinous Xanthomatosis (CTX) Prevalence Study
Iiopathic bilateral cataracts occur in many children with Cerebrotendinous Xanthomatosis (CTX) so the opportunity to use contact with health care providers in connection with pediatric cataract evaluation and treatment is a…
- Trial name
- NCT02638220
- Where
- 44 sites in United States
- Volunteers
- 442 people
- Sponsor
- Travere Therapeutics, Inc.
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
Sleep Apnea, Obstructive
Prevalence of Sleep Apnea in Patients Presenting for Hip or Knee Replacement Surgery
The study hypothesis is that the prevalence of obstructive sleep apnea in patients presenting for total knee or total hip arthroplasty is higher than generally suspected.
- Trial name
- NCT00874822
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- University of Nebraska
Intravenous Infiltration
Patterns and Prevalence of FDG Extravasation in PET/CT Scans
PET (Positron Emission Tomography) images are used to help make patient management decisions in staging and treatment assessment, often after a cancer diagnosis.
- Trial name
- Lucerno device (NCT03041090)
- Testing
- Lucerno ID (identification) System
- Where
- United States
- Volunteers
- 133 people
- Sponsor
- St. Louis University
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
Migraine
Prevalence of Phonophobia and Cutaneous Allodynia in Episodic Migraineurs
Cutaneous allodynia is an increased skin sensitivity experienced during a headache. It has been noted in several studies that in patients with migraine, seventy nine percent of the patients experienced allodynia on the facial…
- Trial name
- NCT00386880
- Testing
- Sounds
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Thomas Jefferson University
Psoriasis, Psoriatic Arthritis
Prevalence and Incidence of Articular Symptoms and Signs Related to Psoriatic Arthritis in Patients With Psoriasis Severe or Moderate With Adalimumab Treatment
Psoriatic Arthritis (PsA) is a comorbidity that affects a significant proportion of participants with moderate or severe psoriasis.
- Trial name
- TOGETHER (NCT01316224)
- Where
- 15 sites in Colombia
- Volunteers
- 52 people
- Sponsor
- AbbVie (prior sponsor, Abbott)