While many people have recently learned about the clinical trial research process, most are unaware these studies are conducted according to a plan containing an essential fourth type of study: phase four.
These late-stage studies, often called post-marketing research, are conducted after the U.S. FDA has approved a vaccine or medication.
Clinical research leaders wrote a comprehensive Perspective, suggesting an innovative method for increasing the number of phase four studies.
Funding for Phase Four Vaccine Studies Needed
Funding for Phase Four Vaccine Studies Needed
While many people have recently learned about the clinical trial research process, most are unaware these studies are conducted according to a plan containing an essential fourth type of study: phase four.
These late-stage studies, often called post-marketing research, are conducted after the U.S. FDA has approved a vaccine or medication.
Clinical research leaders wrote a comprehensive Perspective, suggesting an innovative method for increasing the number of phase four studies.
Childhood Immunizations Stalled in 2023
The latest World Health Organization (WHO) and UNICEF estimates of national immunization coverage highlight the need for vaccination catch-up, recovery, and system-strengthening efforts.
The WHO announced today the global childhood immunization coverage stalled in 2023, leaving 2.7 million additional children un- and under-vaccinated compared to 2019.
More than half of unvaccinated children live in 31 countries.
Hospital-Onset SARS-CoV-2 Infection During Omicron Linked to Morbidity
Hospital-onset SARS-CoV-2 remained associated with increased morbidity and mortality during omicron era