{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Frequency+of+Intercourse&page=2",
    "query": {
      "intervention": "Frequency of Intercourse",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Frequency+of+Intercourse&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T17:29:40.691Z",
  "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": "NCT04275830",
      "title": "The Effects of Heart Rate Variability Biofeedback Training on Hematopoietic Cell Transplantation Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation",
        "Bone Marrow Transplant",
        "Heart Rate Variability",
        "Autonomic Nervous System",
        "Stress",
        "Mood",
        "Psychological Distress",
        "Emotion Regulation",
        "Communication Research",
        "Narrative"
      ],
      "interventions": [
        {
          "name": "Baseline Surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Heart rate variability biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Heart rate variability waitlist and Digital storytelling Control intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2020-02-04",
      "completion_date": "2022-02-04",
      "has_results": false,
      "last_update_posted_date": "2022-05-23",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04275830"
    },
    {
      "nct_id": "NCT03134833",
      "title": "Engaging Seronegative Youth to Optimize HIV Prevention Continuum",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Mental Health",
        "Substance Use",
        "STI"
      ],
      "interventions": [
        {
          "name": "Automated Messaging & Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 1478,
      "start_date": "2017-05-06",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-05",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134833"
    },
    {
      "nct_id": "NCT05732623",
      "title": "Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Early Onset Colorectal Cancer",
        "Diet Habit",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Semi Quantitative Food Frequency Questionnaire (SQFFQ)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Raffaele University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 2300,
      "start_date": "2022-12-05",
      "completion_date": "2035-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Chicago, Illinois",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05732623"
    },
    {
      "nct_id": "NCT00198861",
      "title": "Neurobehavioral Model of HIV in Injection Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug Abuse",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Injection and Non-Injection Drug Users",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The City College of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "15 Years to 50 Years"
      },
      "enrollment_count": 836,
      "start_date": "2002-02",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-08-02",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00198861"
    },
    {
      "nct_id": "NCT04623736",
      "title": "Smartphone Application Smoking Cessation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "quitSTART",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2020-10-19",
      "completion_date": "2021-06-10",
      "has_results": false,
      "last_update_posted_date": "2021-11-10",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04623736"
    },
    {
      "nct_id": "NCT01044901",
      "title": "Cardiovascular Complications of Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "MRI, Transthoracic Echocardiography, tonometry, EKG",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2009-03",
      "completion_date": "2021-02",
      "has_results": true,
      "last_update_posted_date": "2022-02-23",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01044901"
    },
    {
      "nct_id": "NCT00740506",
      "title": "Behavioral and Environmetal Factors and Time to Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Frequency of Intercourse",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 510,
      "start_date": "2008-08-20",
      "completion_date": "2009-07-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00740506"
    },
    {
      "nct_id": "NCT02493647",
      "title": "Love, Sex & Choices: A Web Series on Mobile Devices to Reduce Black Women's HIV Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Sexual Behavior",
        "Women's Role",
        "Risk Behavior",
        "Chlamydia"
      ],
      "interventions": [
        {
          "name": "Love, Sex, & Choices",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 29 Years · Female only"
      },
      "enrollment_count": 814,
      "start_date": "2015-09",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2019-08-22",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02493647"
    },
    {
      "nct_id": "NCT01161446",
      "title": "Home Self-Testing for HIV to Increase HIV Testing Frequency in Men Who Have Sex With Men (The iTest Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 230,
      "start_date": "2010-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-07",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161446"
    },
    {
      "nct_id": "NCT05738213",
      "title": "Puberty, Sex Hormones and Pain Sensitivity in Adolescents With Migraine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Thermal stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pressure stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pain ratings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pressure pain thresholds (PPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conditioned pain modulation (CPM) response",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PedMIDAS (Pediatric Migraine Disability Assessment)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hormonal assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pubertal status",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "11 Years to 15 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-01-10",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-16T17:29:40.691Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05738213"
    }
  ]
}