The time to offer treatments for COVID-19

Binh T. Ngo, Paul Marik, Pierre Kory, Leland Shapiro, Raphael Thomadsen, Jose Iglesias, Stephen Ditmore, Marc Rendell, Joseph Varon, Michael Dubé, Neha Nanda, Gino In, Daniel Arkfeld, Preet Chaudhary, Vito M. Campese, Diana L. Hanna, David E. Sawcer, Glenn Ehresmann, David Peng, Miroslaw SmogorewskiApril Armstrong, Rajkumar Dasgupta, Fred Sattler, Denise Brennan-Rieder, Cristina Mussini, Oriol Mitja, Vicente Soriano, Nicolas Peschanski, Gilles Hayem, Marco Confalonieri, Maria Carmela Piccirillo, Antonio Lobo-Ferreira, Iraldo Bello Rivero, Mika Turkia, Eivind H. Vingevoll, Daniel Griffin, Ivan Fn Hung

Research output: Contribution to journalArticlepeer-review


Background: COVID-19 has several overlapping phases. Treatments to date have focused on the late stage of disease in hospital. Yet, the pandemic is by propagated by the viral phase in out-patients. The current public health strategy relies solely on vaccines to prevent disease.Methods: We searched the major national registries,, and the preprint servers for all ongoing, completed and published trial results.Results: As of 2/15/2021, we found 111 publications reporting findings on 14 classes of agents, and 9 vaccines. There were 62 randomized controlled studies, the rest retrospective observational analyses. Only 21 publications dealt with outpatient care. Remdesivir and high titer convalescent plasma have emergency use authorization for hospitalized patients in the U.S.A. There is also support for glucocorticoid treatment of the COVID-19 respiratory distress syndrome. Monoclonal antibodies are authorized for outpatients, but supply is inadequate to treat all at time of diagnosis. Favipiravir, ivermectin, and interferons are approved in certain countries.Expert Opinion: Vaccines and antibodies are highly antigen specific, and new SARS-Cov-2 variants are appearing. We call on public health authorities to authorize treatments with known low-risk and possible benefit for outpatients in parallel with universal vaccination.

Original languageEnglish
JournalExpert Opinion on Investigational Drugs
Publication statusPublished - 2021


  • convalescent plasma
  • covid-19
  • favipiravir
  • hcq
  • interferon-β-1
  • interferon-λ
  • ivermectin
  • remdesivir
  • SARS-Cov-2
  • synthetic anti-spike protein antibodies

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)


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