Antenatal and Postnatal Care Research Collective - Household Survey (ARCH)
ARCH
1 other identifier
observational
7,500
1 country
1
Brief Summary
The overarching goal of the ARCH Survey is to establish a prospective longitudinal pregnancy surveillance study in Lusaka, Zambia, to precisely characterize the pregnancy rate and outcomes of women of reproductive age prior to, during, and following pregnancy and to investigate the structural, sociodemographic, and clinical covariates that contribute to adverse outcomes in each reproductive epoch.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2022
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 29, 2021
CompletedFirst Posted
Study publicly available on registry
December 13, 2021
CompletedStudy Start
First participant enrolled
March 29, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 1, 2026
May 30, 2025
May 1, 2025
4.2 years
November 29, 2021
May 23, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Cohort Pregnancy Ratio
Defined as the total number of pregnancies, including live births, stillbirths, and abortions per 1000 women aged 15-49.
enrollment - 36 months
Cohort Term Live Birth Ratio
Defined as the proportion of pregnancies that result in a live birth at or beyond 37 gestational weeks per 1,000 pregnancies.
enrollment - 36 months
Cohort Infant Mortality Ratio
Defined as the number of deaths in children under one year of age per 1,000 live births.
enrollment - 36 months
Study Arms (1)
Women of reproductive age
Women 15-49 years of age
Eligibility Criteria
Women of reproductive age and their infants born during their study participation
You may qualify if:
- Verbal consent obtained from head-of-household
- years of age and a member of household in the catchment area
- Willing and able to provide written informed consent or assent with next-of-kin consent
- Willing to undergo study procedures
You may not qualify if:
- Any other condition (social or medical) that, in the opinion of the study staff, would make participation unsafe or complicate data interpretation. Study staff may note physical, psychological, or social conditions not explicitly stated in the eligibility criteria that could make some women poor candidates for study participation.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of North Carolina, Chapel Hilllead
- Bill and Melinda Gates Foundationcollaborator
- University of Zambiacollaborator
Study Sites (1)
University of Zambia
Lusaka, Zambia
Study Officials
- PRINCIPAL INVESTIGATOR
Jeff Stringer
University of North Carolina, Chapel Hill
- PRINCIPAL INVESTIGATOR
Wilbroad Mutale, MD
University of Zambia (UNZA) Lusaka, Zambia
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 29, 2021
First Posted
December 13, 2021
Study Start
March 29, 2022
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
June 1, 2026
Last Updated
May 30, 2025
Record last verified: 2025-05
Data Sharing
- IPD Sharing
- Will share
- Time Frame
- 9-36 months following publication
- Access Criteria
- noted above
Deidentified individual data that supports the results will be shared beginning 9 to 36 months following publication provided the investigator who proposes to use the data has approval from an Institutional Review Board (IRB), Independent Ethics Committee (IEC), or Research Ethics Board (REB), as applicable, and executes a data use/sharing agreement with UNC.