NCT05154331

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

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
7,500

participants targeted

Target at P75+ for all trials

Timeline
1mo left

Started Mar 2022

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress98%
Mar 2022Jun 2026

First Submitted

Initial submission to the registry

November 29, 2021

Completed
14 days until next milestone

First Posted

Study publicly available on registry

December 13, 2021

Completed
4 months until next milestone

Study Start

First participant enrolled

March 29, 2022

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2026

Last Updated

May 30, 2025

Status Verified

May 1, 2025

Enrollment Period

4.2 years

First QC Date

November 29, 2021

Last Update Submit

May 23, 2025

Conditions

Keywords

pregnancy health

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

Age1 Day - 49 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodProbability Sample
Study Population

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

Study Sites (1)

University of Zambia

Lusaka, Zambia

RECRUITING

Study Officials

  • Jeff Stringer

    University of North Carolina, Chapel Hill

    PRINCIPAL INVESTIGATOR
  • Wilbroad Mutale, MD

    University of Zambia (UNZA) Lusaka, Zambia

    PRINCIPAL INVESTIGATOR

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

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.

Time Frame
9-36 months following publication
Access Criteria
noted above

Locations