ClinicalTrials.Veeva

Menu

Efficacy of Placebo Versus Chlorpheniramine for the Prevention of Allergic Transfusion Reactions.

I

Institute of Hematology & Blood Diseases Hospital, China

Status and phase

Enrolling
Phase 2

Conditions

Allergic Transfusion Reaction

Treatments

Drug: Placebo
Drug: Chlorpheniramine

Study type

Interventional

Funder types

Other

Identifiers

NCT04688736
IIT2020032

Details and patient eligibility

About

This is a prospective, randomized, double-blind controlled trial to evaluate the efficacy of placebo versus chlorpheniramine for the prevention of allergic transfusion reactions.

Enrollment

6,642 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • 18~65 years old.
  • Subject is diagnosed with hematological disorder and requires blood product (i.e. suspended red blood cells, apheresis platelets, fresh frozen plasma) transfusions.
  • Subject can fully understand and voluntarily sign informed consent forms.

Exclusion criteria

  • Subject with a history of allergic diseases.
  • Subject experienced at least 1 moderate/severe or 2 mild allergic reactions in the past.
  • Subject received glucocorticoid or allergy drugs within 24 hours before blood transfusion.
  • Subject transfused with washed RBC.
  • Received allo-HSCT transplantation before.
  • Subject with heart failure.
  • Subject suffered from sequelae of cardiovascular or cerebrovascular diseases.
  • Pregnant or nursing women.
  • Inability to understand or to follow study procedures.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

6,642 participants in 2 patient groups

Placebo
Experimental group
Description:
Each recruited subject will oral 8mg placebo 20 minutes before blood transfusion.
Treatment:
Drug: Placebo
Chlorpheniramine
Active Comparator group
Description:
Each recruited subject will oral 8mg chlorpheniramine 20 minutes before blood transfusion.
Treatment:
Drug: Chlorpheniramine

Trial contacts and locations

4

Loading...

Central trial contact

Jingyu Zhao, MPH; Jun Shi, PhD

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems