{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Online+advertisement",
    "query": {
      "intervention": "Online advertisement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Online+advertisement&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T06:01:56.047Z",
  "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": "NCT02490579",
      "title": "Effectiveness of Video Messaging About Diet, Exercise and Weight Gain in Pregnancy in Regional and National Samples",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "Responses to Brief Video Messages (Facebook)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Response to Brief Video Messages (Clinic)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Response to Brief Video Messages (Social Network)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 1670,
      "start_date": "2015-05",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-05-23",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02490579"
    },
    {
      "nct_id": "NCT01569529",
      "title": "Young Adult Smoker's Treatment Demand",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Online advertisement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 3070,
      "start_date": "2012-05",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-30",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01569529"
    },
    {
      "nct_id": "NCT03224520",
      "title": "Smoker-to-Smoker (S2S) Peer Marketing and Messaging to Disseminate Tobacco Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Recommender CTHC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard CTHC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Recruitment",
          "type": "OTHER"
        },
        {
          "name": "Standard Online Recruitment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1487,
      "start_date": "2017-12-20",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224520"
    },
    {
      "nct_id": "NCT03953495",
      "title": "Better Together: A Web-based Relationship Education Tool",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Same-Sex Relationships"
      ],
      "interventions": [
        {
          "name": "Better Together",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Sharon Scales Rostosky",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2019-06-25",
      "completion_date": "2020-12-03",
      "has_results": false,
      "last_update_posted_date": "2020-12-04",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03953495"
    },
    {
      "nct_id": "NCT03975400",
      "title": "Using Digital Media Advertising to Reduce the Duration of Untreated Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "First Episode Psychosis"
      ],
      "interventions": [
        {
          "name": "search engine advertisement campaign",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 698,
      "start_date": "2020-04-22",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2023-11-03",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 2,
      "location_summary": "Glen Oaks, New York • Queens, New York",
      "locations": [
        {
          "city": "Glen Oaks",
          "state": "New York"
        },
        {
          "city": "Queens",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03975400"
    },
    {
      "nct_id": "NCT07096245",
      "title": "Conectados: Social Networks and Social Media for Vaccine Uptake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "Vaccine Information Video Dissemination",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 507,
      "start_date": "2025-09-10",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07096245"
    },
    {
      "nct_id": "NCT01860963",
      "title": "Anal Dysplasia in Patients With Inflammatory Bowel Disease and Healthy Controls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anal Squamous Intraepithelial Lesion (ASIL)",
        "HPV DNA"
      ],
      "interventions": [
        {
          "name": "Anal Pap smear and HPV DNA testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 310,
      "start_date": "2010-01",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-10-01",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01860963"
    },
    {
      "nct_id": "NCT05529264",
      "title": "Human Intracranial Electrophysiology",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Memory Tasks",
          "type": "OTHER"
        },
        {
          "name": "Attention/arousal tasks",
          "type": "OTHER"
        },
        {
          "name": "Language tasks",
          "type": "OTHER"
        },
        {
          "name": "Visuospatial tasks",
          "type": "OTHER"
        },
        {
          "name": "Auditory Tasks",
          "type": "OTHER"
        },
        {
          "name": "Brain Stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "Social Emotional Task",
          "type": "OTHER"
        },
        {
          "name": "Recording of facial expressions",
          "type": "OTHER"
        },
        {
          "name": "Judgement/Impulsivity Task",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 175,
      "start_date": "2023-01-17",
      "completion_date": "2032-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05529264"
    },
    {
      "nct_id": "NCT03896776",
      "title": "A Pragmatic Trial of Two Strategies for Implementing an Effective eHealth HIV Prevention Program (Keep It Up! 3.0)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS",
        "Gonorrhea",
        "Chlamydia"
      ],
      "interventions": [
        {
          "name": "Keep It Up! 3.0",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "MALE",
        "summary": "18 Years to 34 Years · Male only"
      },
      "enrollment_count": 2125,
      "start_date": "2019-10-09",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-07-07",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03896776"
    },
    {
      "nct_id": "NCT03201120",
      "title": "Reducing UV Exposure to Prevent Skin Cancer: Message Development & Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health"
      ],
      "interventions": [
        {
          "name": "Outdoor Sun Behavior",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Indoor Tanning Behavior",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 3595,
      "start_date": "2017-03-29",
      "completion_date": "2017-09-28",
      "has_results": false,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-09-17T06:01:56.047Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03201120"
    }
  ]
}