Flu drug trial pulled before it even started

NCT ID NCT01224795

Terminated Symptom relief Sponsor: BioCryst Pharmaceuticals Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study planned to test a single IV dose of peramivir against placebo in teens and adults with uncomplicated flu. The goal was to see if it could shorten flu symptoms like cough, sore throat, and fever. However, the trial was withdrawn before any participants were enrolled, so no results are available.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: peramivir
What this could lead to: If it worked, this could provide a faster way to ease flu symptoms for people who need IV treatment.
What could go wrong: The trial was withdrawn before enrolling anyone, so we have no results. Even if run, it might not show meaningful benefit over placebo.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

influenza

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

INFLUENZA

Contacts and locations

Locations

Study site

Birmingham, Alabama, United States
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Hot Springs, Arkansas, United States
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Jonesboro, Arkansas, United States
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Little Rock, Arkansas, United States
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Mountain Home, Arkansas, United States
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Anaheim, California, United States
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Buena Park, California, United States
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Chino, California, United States
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Dinuba, California, United States
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Garden Grove, California, United States
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Lincoln, California, United States
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Los Angeles, California, United States
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Oceanside, California, United States
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Palm Springs, California, United States
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Port Hueneme, California, United States
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Sacramento, California, United States
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San Diego, California, United States
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Tustin, California, United States
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West Covina, California, United States
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Boulder, Colorado, United States
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Centennial, Colorado, United States
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Wheat Ridge, Colorado, United States
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Milford, Connecticut, United States
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Brooksville, Florida, United States
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Coral Gables, Florida, United States
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Cutler Bay, Florida, United States
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Daytona Beach, Florida, United States
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Edgewater, Florida, United States
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Gainesville, Florida, United States
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Hialeah, Florida, United States
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Jacksonville, Florida, United States
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Miami, Florida, United States
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South Miami, Florida, United States
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West Palm Beach, Florida, United States
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Stockbridge, Georgia, United States
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Boise, Idaho, United States
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Aurora, Illinois, United States
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Bloomingdale, Illinois, United States
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Chicago, Illinois, United States
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Peoria, Illinois, United States
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South Bend, Indiana, United States
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Dubuque, Iowa, United States
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Arkansas City, Kansas, United States
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Lenexa, Kansas, United States
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Bardstown, Kentucky, United States
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Hazard, Kentucky, United States
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Paducah, Kentucky, United States
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Baton Rouge, Louisiana, United States
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Shreveport, Louisiana, United States
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Bangor, Maine, United States
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Hollywood, Maryland, United States
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Rockville, Maryland, United States
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Brockton, Massachusetts, United States
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Fall River, Massachusetts, United States
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Washington, Missouri, United States
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Bozeman, Montana, United States
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Fremont, Nebraska, United States
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Lincoln, Nebraska, United States
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Omaha, Nebraska, United States
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Albuquerque, New Mexico, United States
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Camillus, New York, United States
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Raleigh, North Carolina, United States
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Winston-Salem, North Carolina, United States
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Fargo, North Dakota, United States
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Akron, Ohio, United States
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Dayton, Ohio, United States
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Wadsworth, Ohio, United States
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Owasso, Oklahoma, United States
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Bend, Oregon, United States
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Medford, Oregon, United States
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Hatfield, Pennsylvania, United States
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Philadelphia, Pennsylvania, United States
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Scotland, Pennsylvania, United States
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Cranston, Rhode Island, United States
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Cumberland, Rhode Island, United States
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Johnston, Rhode Island, United States
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Easley, South Carolina, United States
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Greenville, South Carolina, United States
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Bristol, Tennessee, United States
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Arlington, Texas, United States
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Austin, Texas, United States
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Beaumont, Texas, United States
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Bryan, Texas, United States
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Dallas, Texas, United States
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Fort Worth, Texas, United States
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Georgetown, Texas, United States
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Houston, Texas, United States
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Lake Jackson, Texas, United States
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North Richland Hills, Texas, United States
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San Antonio, Texas, United States
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Spring, Texas, United States
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Salt Lake City, Utah, United States
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South Jordan, Utah, United States
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West Jordan, Utah, United States
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Arlington, Virginia, United States
Study site

Charlottesville, Virginia, United States

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