Home Health Pfizer says its RSV shot is protecting via a second yr – ET HealthWorld | Pharma

Pfizer says its RSV shot is protecting via a second yr – ET HealthWorld | Pharma

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Pfizer says its RSV shot is protecting via a second yr – ET HealthWorld | Pharma

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New York: Pfizer on Thursday stated a single dose of its new respiratory syncytial virus (RSV) vaccine Abrysvo maintained its capacity to guard in opposition to the sickness via a second yr of respiratory illness season.

The corporate stated in a press launch that the vaccine’s efficacy in opposition to RSV-associated decrease respiratory tract illness with three or extra signs was 77.8 per cent via season two, in contrast with efficacy of 88.9 per cent after the primary RSV season, which led to the shot’s U.S. approval.

The information is from a late-stage trial of greater than 37,000 contributors being carried out in each the Northern and Southern hemispheres.

Cumulative efficacy over each seasons after round 16.4 months of illness surveillance was 81.5 per cent , Pfizer stated.

The information is much like the efficacy of GSK’s rival RSV shot Arexvy over two seasons, which was launched in June.

Each corporations launched their RSV vaccines within the U.S. final yr. Pfizer Chief Govt Albert Bourla has known as his firm’s launch a disappointment, after taking solely round 35 per cent market share within the first season.

Pfizer stated no new hostile occasions cropped up via the second RSV season past these reported within the medical trial throughout the first season.

The corporate plans to submit the brand new information to regulatory authorities and publish these findings in a scientific journal. (Reporting by Michael Erman Modifying by Bill Berkrot)

  • Revealed On Mar 1, 2024 at 10:43 AM IST

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