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International Weight Control Registry
The IWCR is a global scientific study aimed at better understanding the opportunities and barriers for reducing the prevalence of obesity by collecting information from people who have experience with weight management in their everyday lives. The investigators seek to gather information on a wide range of weight management experiences, ranging from weight loss and weight loss maintenance to weight gain and inability to lose weight.
Conditions:
🦠 Weight Loss 🦠 Overweight 🦠 Obesity
🗓️ Study Start (Actual) 10 December 2020
🗓️ Primary Completion (Estimated) 1 December 2025
✅ Study Completion (Estimated) 1 December 2025
👥 Enrollment (Estimated) 100000
🔬 Study Type OBSERVATIONAL
📊 Phase N/A
Locations:
📍 Birmingham, Alabama, United States
📍 Denver, Colorado, United States
📍 Kansas City, Kansas, United States
📍 Baton Rouge, Louisiana, United States
📍 Boston, Massachusetts, United States
📍 Durham, New Hampshire, United States
📍 West Point, New York, United States
More locations available...

📋 Eligibility Criteria

Description

    Inclusion Criteria:

    • * The IWCR is open to anyone 18 years or older who is considering weight loss, is actively engaged in weight loss, or has previously attempted weight loss (including successful and unsuccessful attempts)

    Exclusion Criteria:

    • 1. Minors, below the age of 18
    • 2. Adults who are not able to give informed consent online and complete online surveys
Ages Eligible for Study: 18 Years to N/A (ADULT, OLDER_ADULT)
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers: Yes

🗓️ Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates

  • First Submitted 25 May 2021
  • First Submitted that Met QC Criteria 25 May 2021
  • First Posted 28 May 2021

Study Record Updates

  • Last Update Submitted that Met QC Criteria 7 December 2022
  • Last Update Posted 9 December 2022
  • Last Verified December 2022
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