Open Orphan #ORPH – Pfizer successful Phase 2a human challenge trial

Rapid progress at Open Orphan #ORPH. In Pfizer’s recent quarterly update, CEO Albert Bourla, noted (on page 5) that one of the key highlights of Pfizer’s Q2 was the “Successful Phase 2a human challenge trial with RSV Adult vaccine candidate”. Although Pfizer have not mentioned Open Orphan by name and we have not formally announced […]