- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 5,593 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–8
of 8
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 4,825 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 1,587 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 560 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Early Intervention, Educational (Head Start and Early Head Start Access and Participation)
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 174 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 3 Years and older
- Enrollment
- 5,193 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 3 Years and older
- Enrollment
- 1,194 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Early Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- Up to 4 Years
- Enrollment
- 6,723 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey