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Adjustment of the Whole blood donation Intervals in China: A Multicenter, Retrospective Study

A Study on the Blood Donation Interval of Less Than 6 Months Regarding Donor Safety, Donation Behavior, and Historical Blood Supply

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500114968
Enrollment
Unknown
Registered
2025-12-19
Start date
2025-12-22
Completion date
Unknown
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Blood donation

Interventions

Blood donors with consecutive donation interval =90 days,<180:no intervention
Blood donors with consecutive donation interval =180 days:no intervention

Sponsors

Chinese Academy of Medical Sciences and Peking Union Medical College, Institute of Blood Transfusion
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: (1) Aged >= 18 years and <= 65 years; (2) Blood donation period: November 1, 1995 to January 1, 2025 (Shenzhen Special Economic Zone), and May 1, 2019 to May 1, 2025 (Hainan Special Economic Zone); (3) Meeting the eligibility criteria for blood donation;

Exclusion criteria

Exclusion criteria: (1) Those whose data are determined by the researchers to be incomplete or non-compliant. (2) Blood donation type: whole blood. (3) Only one Blood donation

Design outcomes

Primary

MeasureTime frame
Incidence of Adverse Reactions After Blood Donation Between the Two Groups;—

Secondary

MeasureTime frame
Annual Return Donation Rate;Annual Blood Donation Frequency per Person;Average Blood Donation Interval;—

Countries

China

Contacts

Public ContactLiu Zhong

Chinese Academy of Medical Sciences and Peking Union Medical College, Institute of Blood Transfusion

liuz@ibt.pumc.edu.cn+86 28 6164 8562

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026