SynthesisReviews in medical virology2026
Convalescent Plasma Restores Viral Clearance After Anti-Spike Monoclonal Antibody Failure in Immunocompromised COVID-19 Patients: A Systematic Review and Meta-Analysis of Individual Patient Data.
Synthesis in Reviews in medical virology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- COVID-19-Associated Fungal Co-Infections: Pathogenesis, Diagnostics, Biomarkers, and Therapeutic Strategies.Journal of clinical medicine · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
24 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Anti-Spike monoclonal antibodies (mAbs) progressively lost efficacy during the COVID-19 pandemic due to the emergence and predominance of resistant SARS-CoV-2 variants. By contrast, high-titre COVID-19 convalescent plasma (CCP) collected from vaccinated donors recently recovered from infection provides a polyclonal source of antibodies that remains effective in clearing SARS-CoV-2 in immunosuppressed patients, unable to mount an adequate immune response against the virus. We conducted a systematic review and individual participant data meta-analysis to examine the effect of CCP in immunocompromised patients persistently positive for SARS-CoV-2 viraemia following mAb therapy, and to evaluate possible biological factors associated with a favourable outcome. Electronic databases were searched for studies published from January 2020 to January 2026. All studies including eligible cases were considered in the systematic review. Unpublished cases were also collected from investigators of the selected studies. The protocol was registered at PROSPERO (CRD420251142891). Forty-seven cases (30 cases from 12 published studies and 17 unpublished cases) were included. In 33 out of 47 patients (70.2%) with a mAb-resistant infection, SARS-CoV-2 clearance occurred following CCP transfusion, with a mean of 2.7 CCP units administered. In logistic regression, total CCP volume transfused was positively associated with SARS-CoV-2 clearance. In conclusion, CCP transfusion was associated with SARS-CoV-2 clearance in persistently positive immunocompromised patients following failure of anti-Spike mAb therapy.
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