Clinical trials: Prevalence
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HF Prevalence and Evolution of HF in DM II Patients at High Risk
This is an epidemiological, single-country, multicenter, 2-year prospective cohort study based on both primary and secondary data collection, which will include a representative sample of 300 eligible T2DM patients managed in…
- Trial name
- HF-LanDMark (NCT04482283)
- Where
- 10 sites in Greece
- Volunteers
- 245 people
- Sponsor
- AstraZeneca
Colorectal Neoplasms
Prevalence of the Mutational Status of V-Ki-ras2 Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) in Metastatic Colorectal Cancer (mCRC) in Argentine Patients
This observational, prospective, multicentric study is being conducted to record the prevalence of KRAS mutations in the Argentine mCRC population.
- Trial name
- NCT01082757
- Where
- Argentina
- Volunteers
- 1,524 people
- Sponsor
- Merck KGaA, Darmstadt, Germany
Viral Hepatitis Vaccines, Hepatitis A
Seroprevalence Study of Hepatitis A, Varicella-Zoster, Cytomegalovirus, Herpes Simplex and Bordetella Pertussis
The purpose of this study is to determine the seroprevalence of Hepatitis A Virus (HAV), Varicella-Zoster virus (VZV), Cytomegalovirus (CMV), Herpes Simplex (HSV) and Bordetella pertussis (BP)infections in Mexico.
- Conditions
- Viral Hepatitis Vaccines, Hepatitis A, Cytomegalovirus, Varicella-Zoster Virus
- Trial name
- NCT01160081
- Testing
- Serum sample
- Where
- Mexico
- Volunteers
- 3,658 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Breast Cancer, HER2
Prevalence and Clinicopathologic Features of Different HER2 Level in Chinese Breast Cancer Patients
This retrospective study aims to estimate the prevalence of different HER2 expression levels (HER2+, HER2-low, HER2 Ø) in approximately 200 breast cancer patients at FUSCC through the year of 2015 and 3000 breast cancer patients…
- Trial name
- HER2 PATH (NCT05203458)
- Where
- 7 sites in China
- Volunteers
- 3,136 people
- Sponsor
- AstraZeneca
Chronic Granulomatous Disease (CGD)
Prevalence of Antibodies and Cytokines in Participants With Chronic Granulomatous Disease
This research study is designed to assess the prevalence of specific antibodies and inflammatory cytokines in adult and pediatric participants with CGD.
- Trial name
- NCT06605378
- Where
- 52 sites in United States, United Kingdom
- Volunteers
- 60 people
- Sponsor
- Ensoma
Asthma
Prevalence and Characterisation of Asthma Patients According to Disease Severity in Portugal
This study aims to determine the prevalence of Asthma, Difficult-to-Treat and Severe Asthma in Portugal, and characterize patients to better understand their disease characteristics, treatment profile and health care resource use…
- Trial name
- Epi-Asthma (NCT05169619)
- Where
- 37 sites in Portugal
- Volunteers
- 842 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
HER2-negative
NIS Study Determining Prevalence of HER2-low in Metastatic Breast Cancer Patients
This noninterventional, multicenter,retrospective study has been proposed to estimate the prevalence, clinicopathological characteristics,treatment patterns and clinical outcomes of human epidermal growth factor receptor 2…
- Trial name
- iRetroBC (NCT06131424)
- Where
- 31 sites in Argentina, Brazil and 11 more
- Volunteers
- 1,151 people
- Sponsor
- AstraZeneca
Chronic Obstructive Pulmonary Disease, Noninvasive Ventilation
Determination of the Prevalence and Severity of Expiratory Flow Limitation in Chronic Obstructive Pulmonary Disease Patients
Expiratory Flow Limitation (EFL) occurs when the airways become compressed, which usually results when the pressure outside the airway exceeds the pressure inside the airway.
- Trial name
- NCT03851510
- Testing
- Vector ventilator, Resmon Pro
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Philips Respironics
Peripheral Arterial Disease (PAD), Moderate Risk for Cardiovascular Disease (CVD)
Prevalence of Peripheral Arterial Disease in Subject With a Moderate Risk of Cardiovascular (CV) Disease (CVD) in Primary Prevention
Non interventional study aimed to establish the prevalence of lower extremity peripheral arterial disease (PAD), defined as an ankle-brachial index (ABI) not above 0.90 in subjects with a moderate risk of cardiovascular disease…
- Trial name
- PANDORA (NCT00689377)
- Where
- 331 sites in Belgium, France and 4 more
- Volunteers
- 9,000 people
- Sponsor
- AstraZeneca
Asthma
Prevalence and Reversibility of Lung Hyperinflation in Asthma
The aim of this observational study is to evaluate the pulmonary hyperinflation and its immediate reversibility to a short acting beta2 agonist test in uncontrolled persistent asthmatic patients with dyspnea.
- Trial name
- Dist'air2 (NCT01573364)
- Where
- France
- Volunteers
- 450 people
- Sponsor
- Chiesi Farmaceutici S.p.A.
Bipolar Disorder
Depressive Symptoms in Acute Manic Episode
Observational, non-interventional, transversal, multicenter, open label (No treatment is involved). The primary objective is to detect the prevalence of depressive symptoms in bipolar patients admitted to a psychiatric Unit due…
- Trial name
- MM1 (NCT00690248)
- Where
- 34 sites in Spain
- Volunteers
- 250 people
- Sponsor
- AstraZeneca
Pulmonary Disease, Chronic Obstructive
Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath
The study does not involve testing of a drug (no treatment intervention). The study will will use spirometry (breathing tests) in subjects of 40 years of age and older with a history of cigarette smoking with chronic bronchitis…
- Trial name
- NCT00442468
- Testing
- Non-interventional study.
- Where
- 47 sites in United States
- Volunteers
- 1,283 people
- Sponsor
- GlaxoSmithKline
Sleep Apnea, Obstructive
Oxygen Saturation Monitoring During Surgery
Patients with Obstructive Sleep Apnea (OSA) have cyclical patterns of lower blood oxygen during sleep because of repeated episodes of upper airway obstruction that cause their breathing to stop.
- Trial name
- NCT01098851
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Medtronic - MITG
Malaria, Mosquito-Borne Disease
Evaluation of the Protective Efficacy of a Spatial Repellent to Reduce Malaria Prevalence in Uganda
A cluster-randomized double-blinded control trial will be conducted in Uganda to demonstrate and quantify the protective efficacy (PE) of Mossie-GO, an active spatial repellent system disseminating transfluthrin, in reducing the…
- Trial name
- Mossie-GO (NCT06232954)
- Testing
- Mossie-Go containing treated transfluthrin disc, Mossie-Go containing untreated blank disc
- Where
- Uganda
- Volunteers
- 5,600 people, healthy volunteers welcome
- Sponsor
- Africa Power Limited
Adult
Prevalence of Depression and Anxiety in Patients Seeking Medical Care at General Health Care Settings in China
Objectives: Primary: To estimate the prevalence of depression and/or anxiety disorder in outpatients attending the general health care settings in China.
- Trial name
- NCT00478829
- Where
- 15 sites in China
- Volunteers
- 8,000 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Obesity, Obesity-related Complications
Prevalence of Weight Related Complications Across Diverse Weight Classifications - A Large Study in India, Pakistan, Philippines and Vietnam
This study is investigating how common weight related health problems are in people of different weight categories in India, Pakistan, Philippines, and Vietnam.
- Trial name
- WEIGHT DIVERSE (NCT06843473)
- Testing
- No treatment given
- Where
- 4 sites in India, Pakistan and 2 more
- Volunteers
- 1,170 people
- Sponsor
- Novo Nordisk A/S
Breast Implant Rupture
Prevalence of Asymptomatic Rupture in SILIMED Breast Implants
A prospective clinical research is to assess the prevalence of implant rupture and presence of extracapsular gel in an un-referred population of women who have been implanted with the Silimed gel-filled mammary implants with or…
- Trial name
- NCT02206282
- Volunteers
- 390 people
- Sponsor
- Silimed Industria de Implantes Ltda
Non Small Cell Lung Cancer
Epidemiological Study to Evaluate the Prevalence of Epidermal Growth Factor Receptor (EGFR) Mutation Status in Patients With Newly Diagnosed Locally Advanced or Metastatic Non Small Cell Lung Cancer (NSCLC)
To estimate the prevalence of EGFR mutation in a representative sample of patients with newly diagnosed stage IIIB/IV NSCLC in Spain (predominantly Caucasian ethnicity).
- Trial name
- Spanish REASON (NCT01081496)
- Where
- 24 sites in Spain
- Volunteers
- 1,000 people
- Sponsor
- AstraZeneca
Severe Asthma
BRazilian Asthmatics Patients EOSinophilic Profile (BRAEOS)
Asthma is a complex and heterogeneous disease. Severe asthma is recognised as a major unmet need that poses a great burden on the healthcare system.
- Trial name
- BRAEOS (NCT03925415)
- Where
- 6 sites in Brazil
- Volunteers
- 414 people
- Sponsor
- AstraZeneca
Intestinal Bacteria Flora Disturbance
Multi-Antibiotic Resistance Carriage in Gut Flora
Prevalence Study evaluating the acquisition of carriage of multidrug-resistant Gram-negative bacteria (MDRGNB) in the gut flora in volunteers of French Armed Forces staying from 4 to 6 months outside France.
- Trial name
- MARC (NCT01591538)
- Where
- France
- Volunteers
- 272 people, healthy volunteers welcome
- Sponsor
- Da Volterra