Vaccinul aflat în cea mai avansată fază este cel dezvoltat de compania CanSino Biologics din Hong Kong în colaborare cu Institutul de Biotehnologie din Beijing, care este testat acum într-un studiu clinic de faza a II-a.
Alte două vaccinuri sunt în studii clinice, fiind dezvoltate de companiile americane Moderna și Inovio Pharmaceuticals, potrivit unui document al OMS citat de Bloomberg.
CanSino a fost aprobat în martie de autoritățile de reglementare din China pentru a începe testarea pe oameni a vaccinului său, în cadrul unui studiu clinic de faza a II-a.
Pentru vaccinul creat de Moderna, studiul clinic a început pe 16 martie, după ce a primit aprobare de la autorități, iar Inovio a început studiul săptămâna trecută.
Potrivit OMS, alte două companii farmaceutice care au vaccinuri în faza de teste preclinice sunt Pfizer și Sanofi.
De altfel, în ultimele luni a avut loc o mobilizare fără precedent în rândul companiilor farmaceutice pentru dezvoltarea cât mai rapidă a vaccinurilor pentru coronavirusul COVID-19, notează TIME.
Cu toate că industria farmaceutică încearcă să dezvolte cât mai rapid vaccinurile necesare și să le lansee pe piață, primul vaccin ar putea apărea abia anul viitor.
În mod normal, spun experții citați de TIME, este nevoie de 10 – 15 ani pentru ca un vaccin să fie disponibil pe piață, după ce parcurge tot ciclul de dezvoltare, testare în studii clinice și aprobare de către autoritățile competente.
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