Candidate: rCIG (recombinant anti-coronavirus 19 hyperimmune gammaglobulin)

Category: ANTIBODY

Type: Recombinant polyclonal antibody therapy for the treatment of COVID-19.

Status: GigaGen on March 30 disclosed its effort to deveop rCIG, an intravenous therapy designed to reproduce whole antibody repertoires of recovered COVID-19 patients, including high concentrations of antibodies that target and prevent further replication of the COVID-19 virus. GigaGen uses its single-cell technology to capture and recreate complete libraries of antibodies from COVID-19 convalescent patients that can directly translate into antibody therapies—a method the company says is much more scalable than plasma from recovered COVID-19 patient donors since one person’s B cell repertoire can be used to generate a drug that treats millions of patients.

Other advantages cited by GigaGen include a decreased risk of contamination, greater batch to batch consistency, and “hundreds-fold” higher potency than plasma-derived equivalents, which may yield better clinical outcomes.

GigaGen is recruiting patients who have recovered from COVID-19 to donate blood for the development of rCIG. The company has signed a collaboration agreement with plasma collector/manufacturer Access Biologicals to expedite patient identification and assist with sample collection. GigaGen added that it will continue talks with the FDA toward expediting development.


COVID-19: 200 Candidates and Counting

To navigate through the >200 potential therapeutic and vaccine options for COVID-19, GEN has grouped the candidates into four broad categories based on their developmental and (where applicable) clinical progress:

FRONT RUNNER – the most promising therapeutics/vaccines based on clinical progress, favorable data or both.

DEFINITELY MAYBE – earlier phases with promising partners, or more advanced candidates in development that have generated uneven data

KEEPING AN EYE ON… – interesting technology, attracting notable partners, or both, but preliminary data.

TOO SOON TO TELL – longshots pending additional experimental and/or clinical data.

GEN has also tagged the most common treatment types:

● ANTIVIRAL
● VAX
● ANTIBODY
● RNA

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