A phase 2 single center open label randomised control trial for convalescent plasma therapy in patients with severe COVID-19

DOI record: { "DOI": "10.1038/s41467-022-28064-7", "ISSN": [ "2041-1723" ], "URL": "http://dx.doi.org/10.1038/s41467-022-28064-7", "abstract": "<jats:title>Abstract</jats:title><jats:p>A single center open label phase 2 randomised control trial (Clinical Trial Registry of India No. CTRI/2020/05/025209) was done to assess clinical and immunological benefits of passive immunization using convalescent plasma therapy. At the Infectious Diseases and Beleghata General Hospital in Kolkata, India, 80 patients hospitalized with severe COVID-19 disease and fulfilling the inclusion criteria (aged more than 18 years, with either mild ARDS having PaO2/FiO2 200–300 or moderate ARDS having PaO2/FiO2 100–200, not on mechanical ventilation) were recruited and randomized into either standard of care (SOC) arm (<jats:italic>N</jats:italic> = 40) or the convalescent plasma therapy (CPT) arm (<jats:italic>N</jats:italic> = 40). Primary outcomes were all-cause mortality by day 30 of enrolment and immunological correlates of response to therapy if any, for which plasma abundance of a large panel of cytokines was quantitated before and after intervention to assess the effect of CPT on the systemic hyper-inflammation encountered in these patients. The secondary outcomes were recovery from ARDS and time taken to negative viral RNA PCR as well as to report any adverse reaction to plasma therapy. Transfused convalescent plasma was characterized in terms of its neutralizing antibody content as well as proteome. The trial was completed and it was found that primary outcome of all-cause mortality was not significantly different among severe COVID-19 patients with ARDS randomized to two treatment arms (Mantel-Haenszel Hazard Ratio 0.6731, 95% confidence interval 0.3010-1.505, with a P value of 0.3424 on Mantel-Cox Log-rank test). No adverse effect was reported with CPT. In severe COVID-19 patients with mild or moderate ARDS no significant clinical benefit was registered in this clinical trial with convalescent plasma therapy in terms of prespecified outcomes.</jats:p>", "alternative-id": [ "28064" ], "article-number": "383", "assertion": [ { "group": { "label": "Article History", "name": "ArticleHistory" }, "label": "Received", "name": "received", "order": 1, "value": "19 February 2021" }, { "group": { "label": "Article History", "name": "ArticleHistory" }, "label": "Accepted", "name": "accepted", "order": 2, "value": "7 January 2022" }, { "group": { "label": "Article History", "name": "ArticleHistory" }, "label": "First Online", "name": "first_online", "order": 3, "value": "19 January 2022" }, { "group": { "label": "Competing interests", "name": "EthicsHeading" }, "name": "Ethics", "order": 1, "value": "The authors declare no competing interests." } ], "author": [ { "affiliation": [], "family": "Ray", "given": "Yogiraj", "sequence": "first" }, { "affiliation": [], "family": "Paul", "given": "Shekhar Ranjan", "sequence": "additional" }, { "affiliation": [], "family": "Bandopadhyay", "given": "Purbita", "sequence": "additional" }, { "affiliation": [], "family": "D’Rozario", "given": "Ranit", "sequence": "additional" }, { "affiliation": [], "family": "Sarif", "given": "Jafar", "sequence": "additional" }, { "affiliation": [], "family": "Raychaudhuri", "given": "Deblina", "sequence": "additional" }, { "affiliation": [], "family": "Bhowmik", "given": "Debaleena", "sequence": "additional" }, { "affiliation": [], "family": "Lahiri", "given": "Abhishake", "sequence": "additional" }, { "affiliation": [], "family": "Vasudevan", "given": "Janani Srinivasa", "sequence": "additional" }, { "ORCID": "http://orcid.org/0000-0002-0306-8970", "affiliation": [], "authenticated-orcid": false, "family": "Maurya", "given": "Ranjeet", "sequence": "additional" }, { "affiliation": [], "family": "Kanakan", "given": "Akshay", "sequence": "additional" }, { "affiliation": [], "family": "Sharma", "given": "Sachin", "sequence": "additional" }, { "affiliation": [], "family": "Kumar", "given": "Manish", "sequence": "additional" }, { "affiliation": [], "family": "Singh", "given": "Praveen", "sequence": "additional" }, { "ORCID": "http://orcid.org/0000-0001-7273-4132", "affiliation": [], "authenticated-orcid": false, "family": "Roy", "given": "Rammohan", "sequence": "additional" }, { "affiliation": [], "family": "Chaudhury", "given": "Kausik", "sequence": "additional" }, { "affiliation": [], "family": "Maiti", "given": "Rajsekhar", "sequence": "additional" }, { "affiliation": [], "family": "Bagchi", "given": "Saugata", "sequence": "additional" }, { "affiliation": [], "family": "Maiti", "given": "Ayan", "sequence": "additional" }, { "affiliation": [], "family": "Perwez", "given": "Md. 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