{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+text+message",
    "query": {
      "intervention": "placebo text message"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+text+message&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:03:03.668Z",
  "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": "NCT05736432",
      "title": "Impacts of Wild Blueberries on Appetite and Weight Regulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Blueberries",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-03-01",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05736432"
    },
    {
      "nct_id": "NCT01515943",
      "title": "Convergence Insufficiency Treatment Study (CITS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Convergence Insufficiency"
      ],
      "interventions": [
        {
          "name": "Active home-based computer vergence/accommodative therapy",
          "type": "OTHER"
        },
        {
          "name": "Near target push-ups",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo home-based computer vergence/accommodative therapy",
          "type": "OTHER"
        },
        {
          "name": "Placebo yoked prism flippers",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 204,
      "start_date": "2012-06",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 2,
      "location_summary": "Cranberry TWP, Pennsylvania • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Cranberry TWP",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01515943"
    },
    {
      "nct_id": "NCT05367492",
      "title": "Varenicline for Nicotine Vaping Cessation in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vaping",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Double Blind Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Double Blind Placebo",
          "type": "DRUG"
        },
        {
          "name": "QuitVaping",
          "type": "BEHAVIORAL"
        },
        {
          "name": "This Is Quitting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "16 Years to 25 Years"
      },
      "enrollment_count": 261,
      "start_date": "2022-06-22",
      "completion_date": "2024-05-28",
      "has_results": true,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05367492"
    },
    {
      "nct_id": "NCT03080493",
      "title": "Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Abortion, Induced",
        "Cervical Preparation",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Gabapentin 600mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "acetaminophen/codeine and ibuprofen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 121,
      "start_date": "2017-03-20",
      "completion_date": "2018-11-05",
      "has_results": true,
      "last_update_posted_date": "2020-04-14",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03080493"
    },
    {
      "nct_id": "NCT04449432",
      "title": "Goals for Reaching Optimal Wellness: GROWell",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Related",
        "Gestational Weight Gain",
        "Postpartum Weight Retention",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "GROWell (Interactive Obesity Treatment Approach)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Support Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 480,
      "start_date": "2020-12-14",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-07",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04449432"
    },
    {
      "nct_id": "NCT05349188",
      "title": "Feasibility Study of Personalized Trials to Improve Sleep Quality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Melatonin 3 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Melatonin 0.5 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cellulose placebo pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-05-11",
      "completion_date": "2023-05-22",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05349188"
    },
    {
      "nct_id": "NCT01575990",
      "title": "Elders Preferences in Care Decisions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Detection of Cancer",
        "Colon Cancer",
        "Decision Making",
        "Patient-Centered Care"
      ],
      "interventions": [
        {
          "name": "Making A Decision About CRC Screening",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Drivers 65 Plus",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "70 Years to 84 Years"
      },
      "enrollment_count": 424,
      "start_date": "2012-03",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2022-01-10",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01575990"
    },
    {
      "nct_id": "NCT02501460",
      "title": "Impact of Resistance Training-Protein Supplementation on Lean Muscle Mass in Childhood Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Educational handouts",
          "type": "OTHER"
        },
        {
          "name": "Resistance training",
          "type": "OTHER"
        },
        {
          "name": "Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 130,
      "start_date": "2015-08-17",
      "completion_date": "2018-01-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-17",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02501460"
    },
    {
      "nct_id": "NCT03416621",
      "title": "Project Q Pilot: Smoking Cessation for Light Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Cognitive behavioral cessation counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling and placebo drug intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling and active drug intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 31,
      "start_date": "2018-05-17",
      "completion_date": "2020-02-29",
      "has_results": true,
      "last_update_posted_date": "2021-03-29",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03416621"
    },
    {
      "nct_id": "NCT04557241",
      "title": "Brief Informational Intervention for COVID-19 Misinformation Prophylaxis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID19 Behavioral Prophylaxis"
      ],
      "interventions": [
        {
          "name": "Brief informational infographic",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo control (non-behavioral infographic)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1017,
      "start_date": "2020-01-14",
      "completion_date": "2021-01-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-09-04T04:03:03.668Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04557241"
    }
  ]
}