NCT04078893

Brief Summary

14098 inactive donors were randomly divided into three groups according to age, sex, blood donation frequency,time of last donation and blood donation site, one group acted as the control group, one will be recruited by telephone recruitment on "need", and one will just be called for improvement suggestions of blood donor service.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
14,098

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Oct 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

First Submitted

Initial submission to the registry

August 27, 2019

Completed
10 days until next milestone

First Posted

Study publicly available on registry

September 6, 2019

Completed
1 month until next milestone

Study Start

First participant enrolled

October 20, 2019

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 29, 2019

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 29, 2020

Completed
Last Updated

October 21, 2019

Status Verified

October 1, 2019

Enrollment Period

1 month

First QC Date

August 27, 2019

Last Update Submit

October 18, 2019

Conditions

Keywords

inactivated donors recruitment, on need ,communication

Outcome Measures

Primary Outcomes (1)

  • donate blood or not

    rate of donation after recruitment

    12 months

Study Arms (3)

control group

NO INTERVENTION

on need group

EXPERIMENTAL
Other: telephone recruitment

communication group

EXPERIMENTAL
Other: telephone recruitment

Interventions

using telephone to recruit inactive donors on two different methods

communication groupon need group

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • inactive donors during 2016-2018

You may not qualify if:

  • inactive donors during 2016-2018 but not eligible to donate

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Guangzhou Blood Center

Guangzhou, Guangdong, 510095, China

RECRUITING

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 27, 2019

First Posted

September 6, 2019

Study Start

October 20, 2019

Primary Completion

November 29, 2019

Study Completion

January 29, 2020

Last Updated

October 21, 2019

Record last verified: 2019-10

Data Sharing

IPD Sharing
Will share

To compare the effect of recruiting inactive blood donors between on "need" and just keeping communication

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR, ANALYTIC CODE

Locations