PLATFORM: Platelet-Directed Whole Blood Transfusion Strategy for Malaria

Sponsor
Johns Hopkins Bloomberg School of Public Health (Other)
Overall Status
Not yet recruiting
CT.gov ID
NCT05711485
Collaborator
Johns Hopkins University (Other), Tropical Diseases Research Centre (Other), University of California, San Francisco (Other), University of Maryland (Other)
132
2
2
12
66
5.5

Study Details

Study Description

Brief Summary

Open-label randomized controlled trial to test the effectiveness of whole blood transfusion for improving survival in children with severe malaria complicated by thrombocytopenia.

Condition or Disease Intervention/Treatment Phase
  • Other: Whole blood transfusion
N/A

Detailed Description

The PLATFORM trial is a single-center, open-label randomized controlled trial of whole blood transfusion for severe malaria complicated by thrombocytopenia. The trial will recruit 132 Zambian children 6 months to 15 years old with severe malaria defined according to modified WHO criteria with concomitant thrombocytopenia, defined here as a platelet count ≤75,000/uL, who do not otherwise have a current indication for transfusion according to current guidelines. Children will be randomized 1:1 to whole blood transfusion or no whole blood transfusion and followed to hospital discharge or death. The trial is nested within the Children and Adults with Severe Malaria (CHASM) cohort, a prospective observational study of severe malaria.

Study Design

Study Type:
Interventional
Anticipated Enrollment :
132 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Double (Investigator, Outcomes Assessor)
Primary Purpose:
Supportive Care
Official Title:
Clinical and Translational Investigations of Severe Malaria Pathophysiology [Parent Study Protocol]
Anticipated Study Start Date :
Aug 1, 2023
Anticipated Primary Completion Date :
Jul 31, 2024
Anticipated Study Completion Date :
Jul 31, 2024

Arms and Interventions

Arm Intervention/Treatment
Experimental: Whole blood transfusion

Whole blood transfusion x1 (20 mL/kg)

Other: Whole blood transfusion
Whole blood is sourced from the Zambia National Blood Transfusion Service.

No Intervention: Control

Standard-of-care

Outcome Measures

Primary Outcome Measures

  1. Incidence of all-cause mortality [Up to hospital discharge or in-hospital death, up to 28 days on average]

    Death due to any cause

Secondary Outcome Measures

  1. Change in hemoglobin (Hb) [Pre- and post-transfusion, comparing baseline measurements to measurements taken 2 hours after transfusion completion and 24 hours later. For the Control arm, measurements will be made at baseline and Study Hour 6 ±2 and 24 hours later]

    The difference in Hb concentration between baseline (pre-transfusion) and post-transfusion

  2. Change in platelet count [Pre- and post-transfusion, comparing baseline measurements to measurements taken 2 hours after transfusion completion and 24 hours later. For the Control arm, measurements will be made at baseline and Study Hour 6 ±2 and 24 hours later]

    The difference in the platelet count between baseline (pre-transfusion) and post-transfusion

  3. Change in white blood cell (WBC) count [Pre- and post-transfusion, comparing baseline measurements to measurements taken 2 hours after transfusion completion and 24 hours later. For the Control arm, measurements will be made at baseline and Study Hour 6 ±2 and 24 hours later]

    The difference in the WBC count between baseline (pre-transfusion) and post-transfusion

  4. Incidence of transfusion reaction [During or after transfusion, up to the day of hospital discharge or in-hospital death, up to 28 days on average]

    Transfusion reactions (e.g., hypersensitivity, TACO, TRALI) graded on severity and likeliness of being related to transfusion

  5. Length of hospitalization [Up to hospital discharge or in-hospital death, up to 28 days on average]

    Interval in days from date of admission to date of discharge/death

  6. Parasite clearance [0-72 hours, measured every 12±2 hours]

    Time to microscopic conversion to negative

Eligibility Criteria

Criteria

Ages Eligible for Study:
6 Months to 59 Months
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • Age <5 years

  • Platelet count ≤75,000/uL

  • Hemoglobin >5 and ≤9 g/dL

    1. falciparum parasitemia ≥500 parasites/uL
  • Diagnosis of severe malaria meeting World Health Organization (WHO) criteria

  • Ability and willingness of the legal guardian to comply with study protocol for the duration of the study

  • Residence within health clinic catchment area

  • Signed informed consent obtained from the parent or legal guardian of the participant

Exclusion Criteria:
  • Residence in foster care or children otherwise under government supervision

  • Residence outside the hospital catchment area, or plan to leave the area

  • Presence of any other condition or abnormality which, in the opinion of the investigator, would compromise the safety of the participant or the quality of the data

  • Any contraindication to whole blood transfusion

Contacts and Locations

Locations

Site City State Country Postal Code
1 Johns Hopkins Bloomberg School of Public Health Baltimore Maryland United States 21205
2 Tropical Diseases Research Centre Ndola Copperbelt Zambia

Sponsors and Collaborators

  • Johns Hopkins Bloomberg School of Public Health
  • Johns Hopkins University
  • Tropical Diseases Research Centre
  • University of California, San Francisco
  • University of Maryland

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

Responsible Party:
Johns Hopkins Bloomberg School of Public Health
ClinicalTrials.gov Identifier:
NCT05711485
Other Study ID Numbers:
  • 15011
First Posted:
Feb 3, 2023
Last Update Posted:
Feb 3, 2023
Last Verified:
Jan 1, 2023
Individual Participant Data (IPD) Sharing Statement:
Yes
Plan to Share IPD:
Yes
Studies a U.S. FDA-regulated Drug Product:
No
Studies a U.S. FDA-regulated Device Product:
No
Keywords provided by Johns Hopkins Bloomberg School of Public Health
Additional relevant MeSH terms:

Study Results

No Results Posted as of Feb 3, 2023