{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peer+comparison+email",
    "query": {
      "intervention": "Peer comparison email"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peer+comparison+email&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T02:53:00.127Z",
  "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": "NCT04298762",
      "title": "The Effect of Peer Comparison Emails on Oncologists' Documentation of Cancer Stage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oncology"
      ],
      "interventions": [
        {
          "name": "No peer comparison email",
          "type": "OTHER"
        },
        {
          "name": "Peer comparison email",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 56,
      "start_date": "2018-07-01",
      "completion_date": "2019-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04298762"
    },
    {
      "nct_id": "NCT01134172",
      "title": "Ethnic Differences in the Impact of Breast Cancer on Employment Status, Financial Situation, and Quality of Life",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "survey web-based or telephone interview",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 935,
      "start_date": "2010-05",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 12,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Brooklyn, New York + 7 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Fresh Meadows",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01134172"
    },
    {
      "nct_id": "NCT05336253",
      "title": "Online Expert Peer Facilitation of the EVERYbody Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Image",
        "Eating Disorder Symptom",
        "Weight Bias"
      ],
      "interventions": [
        {
          "name": "EVERYbody Project-Connect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Help Workbook",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Western Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2022-01-14",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Bellingham, Washington",
      "locations": [
        {
          "city": "Bellingham",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05336253"
    },
    {
      "nct_id": "NCT04286165",
      "title": "Brief Peer Supported webSTAIR Compared to Enhanced Wait List",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder",
        "Depression",
        "Emotion Regulation"
      ],
      "interventions": [
        {
          "name": "Brief Peer Supported webSTAIR",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Palo Alto Veterans Institute for Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 178,
      "start_date": "2020-01-20",
      "completion_date": "2022-09-28",
      "has_results": false,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04286165"
    },
    {
      "nct_id": "NCT05358522",
      "title": "Increasing Implementation of Post-Operative Opioid Prescribing Guidelines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery",
        "Opioid Use",
        "Opioid Misuse",
        "Prescription Opioid Misuse"
      ],
      "interventions": [
        {
          "name": "Opioid Prescribing Report Cards",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 26562,
      "start_date": "2022-06-01",
      "completion_date": "2023-11-05",
      "has_results": false,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05358522"
    },
    {
      "nct_id": "NCT04867850",
      "title": "Effect of Behavioral Nudges on Serious Illness Conversation Documentation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "OTHER"
        },
        {
          "name": "Clinician Nudge",
          "type": "OTHER"
        },
        {
          "name": "Patient Nudge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4450,
      "start_date": "2021-09-09",
      "completion_date": "2022-09-09",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04867850"
    },
    {
      "nct_id": "NCT03784950",
      "title": "Application of Behavioral Economics to Improve eConsult",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Quality of Health Care"
      ],
      "interventions": [
        {
          "name": "Rating tool",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2017-03-01",
      "completion_date": "2018-08-31",
      "has_results": false,
      "last_update_posted_date": "2018-12-24",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03784950"
    },
    {
      "nct_id": "NCT04902664",
      "title": "Shared Decision-making on Medical Tests and Care Cascades",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Knowledge, Attitudes, Practice",
        "Health Care Utilization"
      ],
      "interventions": [
        {
          "name": "Patient education materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician peer-comparison email",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician education materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General visit preparation materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 329,
      "start_date": "2021-05-24",
      "completion_date": "2022-10-29",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04902664"
    },
    {
      "nct_id": "NCT04776928",
      "title": "Testing a Provider-Level Feedback Intervention to Optimize Postoperative Prescribing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Prescribing"
      ],
      "interventions": [
        {
          "name": "Push reports",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 217,
      "start_date": "2022-03-17",
      "completion_date": "2022-08-17",
      "has_results": true,
      "last_update_posted_date": "2023-11-21",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04776928"
    },
    {
      "nct_id": "NCT03825549",
      "title": "A Randomized Trial of Behavioral Economic Approaches to Reduce Unnecessary Opioid Prescribing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Individual audit feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer comparison feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 452,
      "start_date": "2019-09-03",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-09-09T02:53:00.127Z",
      "location_count": 1,
      "location_summary": "Walnut Creek, California",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03825549"
    }
  ]
}