Multi-institutional collaborative study on antigen-positive red blood cells (RBCs) transfusion for the patients who have corresponding irregular RBC antibodies

Multi-institutional collaborative study on antigen-positive red blood cells (RBCs) transfusion for the patients who have corresponding irregular RBC antibodies - Multi-institutional collaborative study on antigen-positive red blood cells (RBCs) transfusion for the patients who have corresponding irregular RBC antibodies

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000037218

Enrollment

1000

Registered

2019-07-01

Start date

2014-11-14

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Patients having RBC irregular antibodies and received corresponding antigen-positive RBC transfusion

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases with one of the following criteria, 1) Ag-positive RBCs were transfused to the patients who have corresponding Abs, 2) Ag-positive RBCs transfusion might be done for some reason, 3) Random RBCs were transfused to the patients who have Abs against RBCs without crossmatching, 4) Abs were subsequently detected after random RBCs transfusion without Ab screening

Exclusion criteria

Exclusion criteria: Cases without any of the above mentioned criteria.

Design outcomes

Primary

Measure	Time frame
Back grounds of patients, Ags on RBCs transfused, total amounts of Ag-positive RBCs transfusion, results from screening and direct anti-globulin test (DAT), specificity of Abs, adverse reactions and efficacies.	—

Countries

Japan

Contacts

Public ContactChiaki Yamada

Hamamatsu University School of Medicine Transfusion and Cell Therapy

chiaki@hama-med.ac.jp053-435-2750

Outcome results