NCT07249099

Brief Summary

The objective of this observational study was to establish a cohort of umbilical cord blood stored in Tianjin Cord Blood Bank.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
2,000

participants targeted

Target at P75+ for all trials

Timeline
56mo left

Started Mar 2025

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

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 Progress19%
Mar 2025Dec 2030

Study Start

First participant enrolled

March 25, 2025

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

August 1, 2025

Completed
4 months until next milestone

First Posted

Study publicly available on registry

November 25, 2025

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2026

Expected
4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2030

Last Updated

November 25, 2025

Status Verified

March 1, 2025

Enrollment Period

1.8 years

First QC Date

August 1, 2025

Last Update Submit

November 21, 2025

Conditions

Health StatusChildhood Diseases

Keywords

umbilical cord bloodHealth status of people stored umbilical cord blood

Outcome Measures

Primary Outcomes (1)

  • Health status

    The health status of people stored umbilical cord blood

    The diseases status of participants will be assessed at baseline and at follow-up visits every 3 to 5 years, up to 10 years. The events include the occurrence of childhood diseases at baseline, as well as disease progression or death during follow-up.

Eligibility Criteria

Sexall
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

People stored umbilical cord blood in Tianjin Cord Blood Bank

You may qualify if:

  • Voluntarily participated in this study and provided signed informed consent forms.
  • People stored umbilical cord blood in Tianjin Cord Blood Bank.
  • The information registered at the time of storage is complete and the contact details are genuine and available.

You may not qualify if:

  • Refusing to answer the researcher's phone or refusing to accept the investigation.
  • People who are unable or unsuitable to participate in the study for various other reasons .

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Institute of Hematology & Blood Diseases Hospital

Tianjin, Tianjin Municipality, 300000, China

Location

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 1, 2025

First Posted

November 25, 2025

Study Start

March 25, 2025

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2030

Last Updated

November 25, 2025

Record last verified: 2025-03

Locations

CN(1)