{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Mathematica+Policy+Research%2C+Inc.",
    "query": {
      "sponsor": "Mathematica Policy Research, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Mathematica+Policy+Research%2C+Inc.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T04:24:02.576Z",
  "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": "NCT06512740",
      "title": "The 2021-2022 Study of Family and Staff Well-Being in Head Start FACES Programs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head Start Participation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 4825,
      "start_date": "2021-08-30",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-22",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06512740"
    },
    {
      "nct_id": "NCT02069782",
      "title": "Mother and Infant Home Visiting Program Evaluation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "Home visiting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MDRC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "15 Years and older · Female only"
      },
      "enrollment_count": 4232,
      "start_date": "2012-10",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069782"
    },
    {
      "nct_id": "NCT02054026",
      "title": "Impact Evaluation of the Reducing the Risk Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexual Behavior"
      ],
      "interventions": [
        {
          "name": "Reducing the Risk",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2220,
      "start_date": "2013-08",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 13,
      "location_summary": "Bardstown, Kentucky • Bowling Green, Kentucky • Cecilia, Kentucky + 7 more",
      "locations": [
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        },
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        },
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        },
        {
          "city": "Cecilia",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02054026"
    },
    {
      "nct_id": "NCT02059486",
      "title": "Impact Evaluation of the Teen Choice Program",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexual Behavior"
      ],
      "interventions": [
        {
          "name": "Teen Choice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "12 Years to 19 Years"
      },
      "enrollment_count": 465,
      "start_date": "2014-01",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 5,
      "location_summary": "Brooklyn, New York • Dobbs Ferry, New York • New York, New York + 2 more",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Dobbs Ferry",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Yonkers",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02059486"
    },
    {
      "nct_id": "NCT05730075",
      "title": "The Home-Based Child Care Toolkit for Nurturing School-Age Children Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Child"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 198,
      "start_date": "2023-03-20",
      "completion_date": "2023-10-18",
      "has_results": false,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05730075"
    },
    {
      "nct_id": "NCT05219045",
      "title": "Ohio RETAIN Impact Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disability"
      ],
      "interventions": [
        {
          "name": "Ohio RETAIN",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 4525,
      "start_date": "2022-01-19",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05219045"
    },
    {
      "nct_id": "NCT03158714",
      "title": "Alabama Community Healthy Marriage Initiative Evaluation Project for Couples",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Marriage",
        "Healthy Relationship"
      ],
      "interventions": [
        {
          "name": "Couples Connecting Mindfully",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ELEVATE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Auburn University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "19 Years to 100 Years"
      },
      "enrollment_count": 1858,
      "start_date": "2016-08-11",
      "completion_date": "2020-09-29",
      "has_results": true,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 10,
      "location_summary": "Auburn, Alabama • Brewton, Alabama • Decatur, Alabama + 7 more",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        },
        {
          "city": "Brewton",
          "state": "Alabama"
        },
        {
          "city": "Decatur",
          "state": "Alabama"
        },
        {
          "city": "Gadsden",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03158714"
    },
    {
      "nct_id": "NCT03705377",
      "title": "Head Start Family and Child Experiences Survey (FACES 2014)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head Start Participation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 5193,
      "start_date": "2014-05-01",
      "completion_date": "2017-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03705377"
    },
    {
      "nct_id": "NCT03419728",
      "title": "Federal Evaluation of Selected Programs for Expectant and Parenting Youth",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Teen Pregnancy Prevention",
        "Contraceptive Usage"
      ],
      "interventions": [
        {
          "name": "Healthy Families, Healthy Futures",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 19 Years · Female only"
      },
      "enrollment_count": 248,
      "start_date": "2015-06",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-24",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419728"
    },
    {
      "nct_id": "NCT02902003",
      "title": "Testing Relationship Skills Education Services With a Robust Economic Security Component",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Family Relations"
      ],
      "interventions": [
        {
          "name": "Empowering Families",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mathematica Policy Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1758,
      "start_date": "2016-09",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-04-22",
      "last_synced_at": "2026-10-01T04:24:02.576Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02902003"
    }
  ]
}