Clinical trials: Prevalence
Infertility, Endometritis
Chronic Endometritis in Patients With Recurrent Miscarriages or Repeated Implantation Failures in In-vitro Fertilization
Chronic endometritis is a persistent inflammation of the endometrium. Chronic endometritis is asymptomatic or little symptomatic.
- Conditions
- Infertility, Endometritis, Abortion, Spontaneous
- Trial name
- NCT01762098
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- Clinique Ovo
Renal Insufficiency, Chronic
Bringing Knowledge About Chronic Kidney Disease in Brazil: Filling the Gap
This is a multicenter cross-sectional study will randomly screen kidney function in adult patients with known risk factors for chronic kidney disease (CKD) within the Brazilian general population.
- Trial name
- Filling gap (NCT07103629)
- Where
- Brazil
- Volunteers
- 8,428 people
- Sponsor
- AstraZeneca
Iron-deficiency
Prevalence Study of Iron Deficiency in Patients With Cancer
Despite its high prevalence, a recent study conducted by Prof. Cacoub (unpublished) on the french national health insurance database showed that iron deficiency was an underdiagnosed and under-treated co-morbidity.
- Trial name
- CARENFER ONCO (NCT03924271)
- Testing
- Iron deficiency testing
- Volunteers
- 1,200 people
- Sponsor
- VIFORFRANCE
Alopecia Areata, Depressive Episode
The Epidemiology, Management, and the Associated Burden of Related Conditions in Alopecia Areata
This study series consists of four related studies and aims to explore and describe many important elements of alopecia areata over three key areas: (1) the current epidemiology of alopecia areata, (2) the prevalence and…
- Conditions
- Alopecia Areata, Depressive Episode, Recurrent Depressive Disorder, Anxiety Disorders
- Trial name
- NCT04239521
- Testing
- Exposure of interest (studies 2 & 3).
- Where
- United Kingdom
- Volunteers
- 51,955 people
- Sponsor
- Momentum Data
Upper GIT Symptoms
Prevalence of Gastroesophageal Reflux Disease (GERD) in Patients With Upper Gastrointestinal Track (GIT) Symptoms in Thailand
This is a prospective , epidemiological, multi-centre, phase IV study, approximately 5,000 patients who suffer with upper gastrointestinal tract symptoms. Each patient will be assessed for GERD with GerdQ Thai Version.
- Trial name
- GerdQ (NCT00999063)
- Where
- 25 sites in Thailand
- Volunteers
- 4,108 people
- Sponsor
- AstraZeneca
Obesity, Overweight
A Study to Characterize the Prevalence of Overweight and Obesity Among Patients With Established Cardiovascular Disease
The purpose of this observational study is to measure how many people are overweight or obese amongst patients with a diagnosed cardiovascular disease (CVD).
- Trial name
- POETIC (NCT05873660)
- Testing
- No treatment given
- Where
- 5 sites in United States, Brazil and 3 more
- Volunteers
- 5,360 people
- Sponsor
- Novo Nordisk A/S
Infusion Site Injury
Study to Estimate the Point Prevalence of Peripheral Intravenous Catheter-related Complications in Brazil
A multi-center, national prevalence study where: (1) baseline SPIVC therapy complications of hospitalized adult patients that meet the inclusion/exclusion criteria of the study and (2) the compliance of clinicians to the…
- Trial name
- PIVS (NCT03719287)
- Where
- 3 sites in Brazil
- Volunteers
- 295 people
- Sponsor
- Solventum US LLC
Osteoporosis, Postmenopausal
The Prevalence of Osteoporotic Vertebral Compression Fractures (OVCF) in Korean Post Menopausal Women
This is an observational study to investigate the prevalence of osteoporotic fractures in post menopausal patients. Post menopausal patients who visit OS(orthopedic surgery) including GHs(general hospitals) and clinics will be…
- Trial name
- TOP (NCT01381588)
- Testing
- Fracture evaluation
- Where
- South Korea
- Volunteers
- 1,136 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Patients With Upper Gastro-intestinal Symptoms
Prevalence of Gastroesophageal Reflux Disease (GERD) in Patients With Upper Gastrointestinal Tract Symptoms in Egypt
The purpose of this study is to calculate the prevalence of gastroesophageal reflux disease (GERD) by mean of GERD-Q questionnaire in patients with upper gastrointestinal tract symptoms in Egypt.
- Trial name
- GERD Q NIS (NCT01635959)
- Where
- 21 sites in Egypt
- Volunteers
- 3,170 people
- Sponsor
- AstraZeneca
Chronic Kidney Disease-associated Pruritus
Cross-sectional Study to Assess Prevalence and Burden of CKD-associated Pruritus in Haemodialysis Patients
Vifor International Inc. is seeking real-world evidence (RWE) to better understand the epidemiology, patient characteristics, and management of CKD-aP in the real-world clinical setting.
- Trial name
- ReliefCensus (NCT05524467)
- Where
- 94 sites in Germany, Italy and 5 more
- Volunteers
- 3,100 people
- Sponsor
- Vifor (International) Inc.
Hypertension, Pulmonary, Right Ventricular Overload
The Prevalence of Pulmonary Hypertension in Patients With COVID-19.
The virus infection Covid-19 fills our hospitals and intensive care departments in a very unique way and there is a lack of essential insight into the pathophysiology of the disease.
- Conditions
- Hypertension, Pulmonary, Right Ventricular Overload, COVID
- Trial name
- NCT04459364
- Where
- Sweden
- Volunteers
- 67 people
- Sponsor
- Attgeno AB
Hyperkalemia Elevated Plasma K+ Cardiovascular Disease (CVD)
Retrospective Study to Describe Prevalence of Hyperkalemia in Russian Population Based on Large Laboratory Network (HEKATE)
This is a cross-sectional retrospective study of laboratory records of patients who take electrolytes blood tests containing the data of the serum potassium level.
- Trial name
- NCT03657875
- Where
- Russia
- Volunteers
- 53,940 people
- Sponsor
- AstraZeneca
Human Papillomavirus Infection
An Observational Study on the Prevalence of Human Papillomavirus Types in Women in the Kingdom of Bahrain
The purpose of this study is to determine the Human Papillomavirus (HPV) prevalence and HPV type distribution among women ≥ 20 years of age attending routine cervical screening and among women ≥ 16 years of age presenting for…
- Trial name
- NCT01205412
- Testing
- Endocervical samples
- Where
- Bahrain
- Volunteers
- 552 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Adenosine Deaminase Deficiency
Evaluation of Adenosine Deaminase (ADA) Enzyme Deficiency in Patients With Lymphopenia and/or Elevated Immunoglobulin E
This study was designed as an observational, prospective, epidemiological screening study. Patients who have been admitted to the center and whose lymphopenia and/or Immunoglobulin E elevation has been detected in at least one…
- Trial name
- NCT05300373
- Testing
- ADENOSINE DEAMINASE TEST
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- TRPHARM
Infections, Papillomavirus, Cervical Cancer
Study on the Prevalence of Human Papillomavirus Types in Women >= 15 Years of Age in the Kingdom of Saudi Arabia
This study aims to determine the prevalence of human papillomavirus (HPV) and to assess the HPV type distribution among women >= 15 years of age, attending routine gynaecological examination in the Kingdom of Saudi Arabia.
- Trial name
- NCT01213459
- Testing
- Cervical samples, Data collection
- Where
- 2 sites in Saudi Arabia
- Volunteers
- 420 people
- Sponsor
- GlaxoSmithKline
Multiple Sclerosis
JC-virus (JCV) Epidemiology in Multiple Sclerosis (MS)
The objective of the study is to estimate the prevalence of anti-JCV antibodies in multiple sclerosis (MS) participants.
- Trial name
- JEMS (NCT01185717)
- Volunteers
- 7,726 people
- Sponsor
- Biogen
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
Urologic Neoplasms
Real World Evidence of PD-L1, TMB Prevalence and Efficacy of 1st Line Chemotherapy in These High or Low Population for Stage IV Urothelial Cancer
This study is a multi-center, non-interventional study. Patients' background, treatment pattern, treatment outcome, efficacy will be collected from medical records in Stage IV urotherial (UC) patients.
- Trial name
- YODO (NCT04052113)
- Where
- Japan
- Volunteers
- 152 people
- Sponsor
- AstraZeneca
Infection
Assessing Prevalence Of Beta Lactamase Production From Clinical Isolates Of Hospitalized Patients And Comparison Of Antibiotic Susceptibility Patterns
EGAST 2008 is a prospective, non interventional, multicentric study (approximately 2000 isolates from 15- 20 sites). Objectives: Comparison of antimicrobial susceptibility using disc-diffusion method Assessing prevalence of…
- Trial name
- EGAST 2008 (NCT00728624)
- Where
- 12 sites in India
- Volunteers
- 2,039 people
- Sponsor
- Pfizer
Systemic Mast Cell Activation, KIT D816V Mutation
(PROSPECTOR) Screening Study Evaluating the Prevalence of the KIT D816V Mutation in Patients With Systemic Mast Cell Activation
This is a multi-center screening study with the primary objective to determine the prevalence of KIT D816V mutation in peripheral blood in patients with evidence of systemic mast cell activation (MCA).
- Trial name
- NCT04811365
- Testing
- Screening
- Where
- 23 sites in United States, Belgium and 6 more
- Volunteers
- 379 people
- Sponsor
- Blueprint Medicines Corporation