Timing, Titre, and Host Determinants of Convalescent Plasma Efficacy in COVID-19: A Systematic Review With Design-Stratified Narrative Synthesis.
Reviews in medical virology·
- DOI
- 10.1002/rmv.70189
- PMID
- 42536815
- PMCID
- —
- OpenAlex
- —
- Study type
- Systematic review
- Publisher
- Publisher unavailable
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Clarifying these operational parameters supports more precise therapeutic allocation and establishes a methodological framework for managing future infectious disease crises.
Structured evidence summary
Research question
How do administration timing, antibody concentration, and baseline immune status collectively influence therapeutic outcomes for convalescent plasma in coronavirus infections?
Study design
The investigation utilized a systematic review methodology featuring a design-stratified narrative synthesis, integrating data from randomized trials and observational cohorts.
Population and setting
The pooled analysis incorporated twenty thousand seven hundred ninety-three participants drawn from thirty-one publications identified through major biomedical databases.
Main findings
Clinical benefit appears contingent upon prompt delivery, adequate immunoglobulin levels, and treatment of individuals without preexisting immunity or natural antibody production. Subgroup analyses within randomized trials consistently favored earlier intervention and higher potency, while computational projections indicated substantial survival gains were concentrated among promptly treated patients. The review also highlights a widespread omission of non-IgG antibody assessments in existing literature.
Public-health relevance
Clarifying these operational parameters supports more precise therapeutic allocation and establishes a methodological framework for managing future infectious disease crises.
Important limitations
This summary is limited to the supplied single-article abstract and metadata, requiring the original paper for decision-grade interpretation.
GIDS interpretation
The work provides historical context regarding passive immunization strategies for respiratory pathogens, illustrating how biological and logistical variables historically shaped treatment debates. It functions as archival reference material for understanding past therapeutic evaluations rather than reflecting active monitoring indicators.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 11 auditable classifier relationships to diseases, places, topics, and study design.