Comparing the Efficacy and Safety of High-Titer Versus Low-Titer Anti-Influenza Immune Plasma for the Treatment of Severe Influenza A

Summary

This study assessed the efficacy and safety of anti-influenza immune plasma, as an addition to standard of care antivirals, in participants hospitalized with severe influenza A infection.

Timeline

Start

2015-11

Primary completion

2018-04-26

Completion

2018-05-18

Outcome

Missed primary endpoint

registry p = 0.54; Odds Ratio (OR) 1.22 (95% CI 0.65 to 2.29) NCT02572817 ↗

paper The proportional OR for improved clinical status on day 7 was 1·22 (95% CI 0·65-2·29, p=0·54). PMID 31582360 ↗

Publications

• Background Vincent JL, de Mendonca A, Cantraine F, Moreno R, Takala J, Suter PM, Sprung CL, Colardyn F, Blecher S. Use of the SOFA score to assess the incidence of organ dysfunction/failure in intensive care units: results of a multicenter, prospective study. Working group on "sepsis-related problems" of the European Society of Intensive Care Medicine. Crit Care Med. 1998 Nov;26(11):1793-800. doi: 10.1097/00003246-199811000-00016.
• Background Vincent JL, Moreno R, Takala J, Willatts S, De Mendonca A, Bruining H, Reinhart CK, Suter PM, Thijs LG. The SOFA (Sepsis-related Organ Failure Assessment) score to describe organ dysfunction/failure. On behalf of the Working Group on Sepsis-Related Problems of the European Society of Intensive Care Medicine. Intensive Care Med. 1996 Jul;22(7):707-10. doi: 10.1007/BF01709751. No abstract available.
• Background Leteurtre S, Duhamel A, Grandbastien B, Lacroix J, Leclerc F. Paediatric logistic organ dysfunction (PELOD) score. Lancet. 2006 Mar 18;367(9514):897; author reply 900-2. doi: 10.1016/S0140-6736(06)68371-2. No abstract available.
• Background Leteurtre S, Martinot A, Duhamel A, Proulx F, Grandbastien B, Cotting J, Gottesman R, Joffe A, Pfenninger J, Hubert P, Lacroix J, Leclerc F. Validation of the paediatric logistic organ dysfunction (PELOD) score: prospective, observational, multicentre study. Lancet. 2003 Jul 19;362(9379):192-7. doi: 10.1016/S0140-6736(03)13908-6.
• Background Smith GB, Prytherch DR, Meredith P, Schmidt PE, Featherstone PI. The ability of the National Early Warning Score (NEWS) to discriminate patients at risk of early cardiac arrest, unanticipated intensive care unit admission, and death. Resuscitation. 2013 Apr;84(4):465-70. doi: 10.1016/j.resuscitation.2012.12.016. Epub 2013 Jan 4.
• Background Parshuram CS, Bayliss A, Reimer J, Middaugh K, Blanchard N. Implementing the Bedside Paediatric Early Warning System in a community hospital: A prospective observational study. Paediatr Child Health. 2011 Mar;16(3):e18-22. doi: 10.1093/pch/16.3.e18.
• Beigel JH, Aga E, Elie-Turenne MC, Cho J, Tebas P, Clark CL, Metcalf JP, Ozment C, Raviprakash K, Beeler J, Holley HP Jr, Warner S, Chorley C, Lane HC, Hughes MD, Davey RT Jr; IRC005 Study Team. Anti-influenza immune plasma for the treatment of patients with severe influenza A: a randomised, double-blind, phase 3 trial. Lancet Respir Med. 2019 Nov;7(11):941-950. doi: 10.1016/S2213-2600(19)30199-7. Epub 2019 Sep 30.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	High-titer anti-influenza plasma	Unknown	225 ml	Intravenous
Subject	High-titer anti-influenza plasma	Unknown	350 ml	Intravenous
Comparator	Low-titer anti-influenza plasma	Unknown	225 ml	Intravenous
Comparator	Low-titer anti-influenza plasma	Unknown	350 ml	Intravenous

Indications