{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Weight+Watchers+Online+Program",
    "query": {
      "intervention": "Weight Watchers Online Program"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T12:05:51.051Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01888172",
      "title": "Weight Watchers Online",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Watchers Online Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Philips ActiveLink",
          "type": "DEVICE"
        },
        {
          "name": "Eating and Activity Newsletter",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 270,
      "start_date": "2013-05",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01888172"
    },
    {
      "nct_id": "NCT05395377",
      "title": "Preventing Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Registered Dietitian/Nutritionist",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diabetes Prevention Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Watchers, Reimagined",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DPP or RDN Counseling + Medication",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bariatric Surgery Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-12-18",
      "completion_date": "2021-11-16",
      "has_results": false,
      "last_update_posted_date": "2022-05-27",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05395377"
    },
    {
      "nct_id": "NCT01601574",
      "title": "Weight Loss Study for People With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Watchers modified program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 563,
      "start_date": "2012-05",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Augusta, Georgia + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01601574"
    },
    {
      "nct_id": "NCT02000024",
      "title": "Assessing the Effectiveness of a Weight Watchers-based Lifestyle Intervention for the Primary Prevention of Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetes",
        "Gestational Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Watchers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "National Diabetes Education Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2011-12",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-08",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02000024"
    },
    {
      "nct_id": "NCT03014414",
      "title": "Stanford Healthy Heart Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Fun First",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Watchers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 321,
      "start_date": "2017-03-04",
      "completion_date": "2022-01-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014414"
    },
    {
      "nct_id": "NCT02417220",
      "title": "Weight Watchers Online 2015",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Weight Watchers Online 2015 Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic Scale with Feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 92,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-03-29",
      "last_synced_at": "2026-09-05T12:05:51.051Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02417220"
    }
  ]
}