Clinical Data Pfizer, BioNTech Halt Large US COVID-19 Vaccine Trial Over Slow Enrollment BioSpaceCOVID-19 partners Pfizer and BioNTech have been unable to recruit healthy adults aged 50 to 64 fast enough to deliver relevant post-marketing data.Clinical DataInfectious DiseaseRead full story pharminent April 2, 2026 (Last updated: April 2, 2026) BioSpace COVID-19 partners Pfizer and BioNTech have been unable to recruit healthy adults aged 50 to 64 fast enough to deliver relevant post-marketing data. Clinical DataInfectious DiseaseRead full story Post navigation Previous: AZ claims another win for Imfinzi in frontline liver cancerNext: Pharma’s Reluctance To Serve Europe To Dodge MFN Drug Pricing Is Chilling Related Stories Clinical Data Novartis hit as Lp(a) drug fails cardio outcomes trial pharminent September 7, 2026 Clinical Data Major trial of Roche Alzheimer’s drug kicks off in Europe pharminent September 7, 2026 Clinical Data AbbVie’s T cell engager delivers survival benefit in Phase 3 multiple myeloma study pharminent September 4, 2026