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Population-based

Showing 1 - 25 of >10,000
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A Population-based Cohort in Northern Spain

Recruiting
  • Chronic Disease
  • cohort
  • Santander, Spain
    Hospital Universitario Marques de Valdecilla
May 11, 2023

Health Status of Patients After Surgically Implanted Biological

Completed
  • Aortic Valve Disease
  • Aortic Valve Replacement
  • (no location specified)
Jun 10, 2023

Multiple Revisions Following Knee Arthroplasty in Denmark

Active, not recruiting
  • Knee Replacement
  • Knee Replacement Revision
  • Revision
  • Copenhagen, Denmark
    Rigshospitalet
Sep 26, 2023

Miscarriage Preventing Herbal Medicines and Risk of Birth

Active, not recruiting
  • Pregnancy
  • +2 more
  • Herbal medicines (e.g., Yunkang granules, Duzhong granules)
  • Xiamen, Fujian, China
    Xiamen Health and Medical Big Data Center
Sep 14, 2023

Sarcopenia on General Health Status in Elderly:Population-based

Completed
  • Sarcopenia
  • +2 more
  • Sarcopenia Assessment
  • Faro, Algarve, Portugal
    Marta Botelho
Jun 15, 2023

A Population-based, Multicenter Cohort Study of Combined

Not yet recruiting
  • Digestive Disease
  • Gastroenteroscopy；Risk factor investigation; FIT-HP;RNF180 and SEPTIN9 gene methylation test
  • Risk factor investigation;
  • (no location specified)
Aug 10, 2023

Colorectal Cancer Trial in Philadelphia (No Direct Patient Outreach, Direct Patient Outreach: Colonoscopy Only, Direct Patient

Not yet recruiting
  • Colorectal Cancer
  • No Direct Patient Outreach
  • +4 more
  • Philadelphia, Pennsylvania
    Penn Medicine
Jan 27, 2023

Celiac Disease in South Europe in Children Between 1 to 5 Years

Completed
  • Celiac Disease
    • (no location specified)
    Jul 21, 2023

    Investigating Healthcare Disparities in Vitiligo

    Active, not recruiting
    • Vitiligo
    • No intervention
    • London, United Kingdom
      Momentum Data Limited
    Oct 18, 2023

    Drug Exposures and Adverse Pregnancy Outcomes in China (DEEP)

    Completed
    • Pregnancy
    • +2 more
    • chemicals drugs, biological products, patent Chinese Medicines, Chinese herbs
    • Xiamen, Fujian, China
      Xiamen Health and Medical Big Data Center
    Nov 10, 2022

    SARS-CoV-2 Immune Surveillance AmongPopulation Based Sample of

    Completed
    • Coronavirus Infection
    • SARS-CoV-2 Antibody Analysis
    • +2 more
    • Tampa, Florida
      Moffitt Cancer Center
    Sep 30, 2022

    Health Status of < 50 Year Old Patients After Surgically

    Completed
    • Aortic Valve Disease
    • Aortic Valve Replacement
    • (no location specified)
    Nov 16, 2022

    Bile Duct Injuries During Laparoscopic Cholecystectomies: An

    Completed
    • Bile Duct Injury
    • Management of bile duct injury
    • Tallin, Estonia
      Arvo Reinsoo
    Jul 28, 2022

    Trends of Vitreoretinal Surgery in Children

    Completed
    • Vitreoretinal Disease
    • no intervention
    • Seoul, Korea, Republic of
      Seoul National University Hospital
    Nov 3, 2023

    Gastro Esophageal Reflux Trial in Nijmegen (No intervention)

    Active, not recruiting
    • Gastro Esophageal Reflux
    • No intervention
    • Nijmegen, Gelderland, Netherlands
      Radboudumc
    Jan 16, 2023

    Planned Mode of Delivery After Caesarean:Comparative Prospective

    Not yet recruiting
    • Scarred Uterus
    • Questionnaire completion
    • Marseille, Bouches-du-rhône, France
      Assistance Publique Hôpitaux Marseille
    Jun 28, 2022

    Healthcare Disparities in Alopecia Areata

    Active, not recruiting
    • Alopecia Areata
    • No intervention
    • London, United Kingdom
      Momentum Data Limited
    Feb 3, 2023

    Lithium Versus Anticonvulsants and Risk of Physical Disorders

    Completed
    • Bipolar Disorder
    • Copenhagen, Denmark
      Psychiatric Center Copenhagen
    Aug 21, 2023

    Shanghai Pudong Natural Population-based Cohort Establishment

    Recruiting
    • Public Health
      • Shanghai, China
        Cardiology, Ren Ji Hospital
      Aug 5, 2022

      Proton Pump Inhibitors, Deprescription Trial in Nantes (General practitioner and Patient receive informations related to PPI

      Completed
      • Proton Pump Inhibitors
      • Deprescription
      • General practitioner and Patient receive informations related to PPI deprescribing.
      • Only General practitioner receive informations related to PPI deprescribing.
      • Nantes, France
        University Hospital
      Sep 22, 2022

      Dementia in a Population-based Sample in the County of Trøndelag

      Active, not recruiting
      • Dementia
        • Tønsberg, Norway
          Norwegian National Advisory Unit on Ageing and Health
        Jul 7, 2022

        Increased Lymph Node Yield in Colorectal Cancer Synchronous

        Completed
        • Colorectal Cancer Stage IV
        • Lymph Node Yield
        • lymph node yield
        • Harbin, Heilongjiang, China
          Ethics and ethics of the Second Affiliated Hospital of Harbin Me
        Dec 19, 2022

        Osteoarthritis Trial in Changsha

        Active, not recruiting
        • Osteoarthritis
          • Changsha, Hunan, China
            Xiangya Hospital of Central South University
          Mar 31, 2022

          Hereditary Cancer Syndrome Trial (Mainstream Genetic Testing Model, Enhanced Standard of Care Model)

          Not yet recruiting
          • Hereditary Cancer Syndrome
          • Mainstream Genetic Testing Model
          • Enhanced Standard of Care Model
          • (no location specified)
          Dec 15, 2022

          Obesity, Insulin Resistance, Overweight Trial (aerobic exercise(AE))

          Not yet recruiting
          • Obesity
          • +2 more
          • aerobic exercise(AE)
          • (no location specified)
          Jul 16, 2023