Regeneron (REGN) Announces IDMC Finds Clear Efficacy for REGEN-COV in Phase 3 COVID-19 Outpatient Outcomes Trial
FREE Breaking News Alerts from StreetInsider.com!
StreetInsider.com Top Tickers, 9/9/2026
- Wall St slides as oil hovers near $100 on rising Middle East tensions
- Meta stock jumps 5% premarket: Analysts bullish on new Muse AI agent
- Oil nears $100 as fresh Middle East strikes raise supply risks
- How big a risk are rates to the AI boom?
- 3 reasons why S&P 500 may drop up to 10% in the near term: RBC
- Harry and Meghan surprised by King Charles' letter on their status
- Citi initiates UiPath coverage with Buy rating and $23 target
- S&P 500 falls as AI worries hit software makers
- WestPark Capital Starts Akebia Therapeutics (AKBA) at Buy
- After an 18% summer selloff in chip stocks, Citi asks what comes next
- After-Hours Movers: LULU, IOT, PATH, DOCU, ASAN, GWRE, ZS, PL, SWBI, OXM
- After-Hours Movers: AVGO, SNOW, HPE, NTAP, NTSK, CHPT, FIVE, TLYS, PVH, RARE
- After-Hours Movers: DELL, PANW, GTLB, CRDO, MDB, HPE, SMCI
- After-Hours Movers: WDAY, ADSK, S, RBRK, MRVL, ULTA, GAP, AFRM
- After-Hours Movers: NVDA, CRM, SNPS, CRWD, OKTA, NTNX
Independent Data Monitoring Committee Finds Clear Efficacy for REGEN-COV™ (casirivimab with imdevimab) in Phase 3 COVID-19 Outpatient Outcomes Trial
February 25, 2021 7:00 AM ESTTARRYTOWN, N.Y., Feb. 25, 2021 /PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced changes to the Phase 3 trial assessing investigational REGEN-COV (casirivimab with imdevimab) in non-hospitalized patients ("outpatients") with COVID-19, following recommendations from the Independent Data Monitoring Committee (IDMC). The IDMC found clear clinical efficacy on reducing the rate of hospitalization and death with both the 1,200 mg and 2,400 mg doses of REGEN-COV compared to placebo, and recommended stopping enrollment into the placebo group.
Regeneron is following the IDMC recommendation and will immediately stop enrolling patients in the placebo group. The trial... More

