{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Outreach+mailer", "query": { "intervention": "Outreach mailer" }, "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": "2026-09-10T20:41:33.884Z", "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": "NCT03718221", "title": "Geographically Clustered Mailing of Fecal Immunochemical Test (FIT) Kits", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer" ], "interventions": [ { "name": "Usual Care FIT Screening Strategy", "type": "OTHER" }, { "name": "GeoMail FIT Screening Strategy", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Texas Southwestern Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "50 Years to 64 Years" }, "enrollment_count": 8653, "start_date": "2018-08-30", "completion_date": "2021-08-30", "has_results": false, "last_update_posted_date": "2021-11-30", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03718221" }, { "nct_id": "NCT05275530", "title": "The Impact of Choice on Colorectal Cancer Screening", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer", "Colorectal Neoplasms", "Health Screening" ], "interventions": [ { "name": "Active FIT Choice", "type": "BEHAVIORAL" }, { "name": "Active Colonoscopy Choice", "type": "BEHAVIORAL" }, { "name": "Active Dual Choice", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "45 Years", "maximum_age": "49 Years", "sex": "ALL", "summary": "45 Years to 49 Years" }, "enrollment_count": 20509, "start_date": "2022-02-21", "completion_date": "2022-11-21", "has_results": false, "last_update_posted_date": "2023-11-13", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 2, "location_summary": "Los Angeles, California • Westwood, Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Westwood, Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05275530" }, { "nct_id": "NCT05000619", "title": "Encouraging Overdue Healthcare Appointment Scheduling Among Patients With Chronic Diseases", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Health Promotion", "Prevention", "Risk Reduction Behavior" ], "interventions": [ { "name": "Outreach mailer", "type": "BEHAVIORAL" }, { "name": "Humor/Salience", "type": "BEHAVIORAL" }, { "name": "Doctor's authority", "type": "BEHAVIORAL" }, { "name": "Information", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Geisinger Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 21562, "start_date": "2021-07-12", "completion_date": "2022-08-26", "has_results": false, "last_update_posted_date": "2022-12-01", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 1, "location_summary": "Danville, Pennsylvania", "locations": [ { "city": "Danville", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT05000619" }, { "nct_id": "NCT04746469", "title": "Using Behavioral Science to Improve Colorectal Cancer Screening Rates With Mailed FIT Kits", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer Screening" ], "interventions": [ { "name": "Delayed automated phone call", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "50 Years to 75 Years" }, "enrollment_count": 2500, "start_date": "2020-09-02", "completion_date": "2022-08-01", "has_results": false, "last_update_posted_date": "2022-09-13", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04746469" }, { "nct_id": "NCT03414125", "title": "Effect of Mailed Invites of Choice of Colonoscopy or FIT vs. Mailed FIT Alone on Colorectal Cancer Screening", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer" ], "interventions": [ { "name": "FIT Screening Strategy", "type": "OTHER" }, { "name": "Choice Screening Strategy", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Texas Southwestern Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "63 Years", "sex": "ALL", "summary": "50 Years to 63 Years" }, "enrollment_count": 26859, "start_date": "2018-09-07", "completion_date": "2021-08-31", "has_results": false, "last_update_posted_date": "2021-09-13", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03414125" }, { "nct_id": "NCT01710215", "title": "Comparative Effectiveness of FIT, Colonoscopy, & Usual Care Screening Strategies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Colorectal Cancer" ], "interventions": [ { "name": "FIT Screening Strategy", "type": "OTHER" }, { "name": "Colon Screening Strategy", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Texas Southwestern Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "50 Years to 64 Years" }, "enrollment_count": 5999, "start_date": "2013-04", "completion_date": "2016-07", "has_results": false, "last_update_posted_date": "2018-04-26", "last_synced_at": "2026-09-10T20:41:33.884Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01710215" } ] }