A Study of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus (RSV) Who Are at High Risk of Progression to Severe Disease — Stella
Phase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
(64 sites) United States
LA Universal Research Center, Inc., Los Angeles, California Med Partnes, Inc - Elligo- PPDS, Toluca Lake, California Hope Clinical Trials - 3970 W Flagler St., Coral Gables, Florida Beautiful Minds Clinical Research Center, Cutler Bay, Florida Doral Medical Research, Hialeah, Florida Southern Clinical Research, Miami, Florida LCC Medical Research - Miami - BTC - PPDS, Miami, Florida Nuren Medical and Research Center, Miami, Florida Continental Clinical Research, LLC, Miami, Florida Dynamic Medical Research, LLC - Miami, Miami, Florida Miami Clinical Research, LLP., Miami, Florida Reed Medical Research, Miami, Florida Palm Springs Community Health Center, Miami Lakes, Florida Bulgaria
Medical Center Hera EOOD, Montana, Montana, Sofia MCpulmo-2018 Ltd, Haskovo Medical Center Hera EOOD, Sofia Japan
Kamezawa Clinic, Kasugai-Shi, Aiti Hosokawa Surgical Clinic, Nagoya-Shi Nakamura-Ku, Aiti Doi Clinic, Chikushino-shi, Fukuoka Irie Clinic, Fukuoka, Fukuoka Tomita Internal Medicine Clinic, Fukuoka-Shi Chuo-Ku, Fukuoka PS Clinic, Fukuoka-Shi Hakata-Ku, Fukuoka Medical corporation Aimeikai Morizono internal medicine, Kitakyushu-Shi Yahatanishi-Ku, Fukuoka Social Medical Corporation the Chiyukai foundation Shin Komonji Hospital, Kitakyushu-Shi, Fukuoka Shizuka Clinic, Takasaki-shi, Gunma Social medical corporation Keiwakai Nishioka Hospital, Sapporo-Shi Toyohira-Ku, Hokkaidô Terada Internal Medicine and Respiratory Department, Himeji-shi, Hyôgo Tsuchiura Beryl Clinic, Tsuchiura-Shi, Ibaraki Gajyumaru Clinic Tsukuba, Tsukuba, Ibaraki South Africa
Newtown Clinical Research Centre, Johannesburg, Gauteng Be Part Yoluntu Centre, Paarl, Western Cape
Key details Enrollment target
~192 participants
Primary completion
December 2026
Age range
18 Years and older
Last updated March 2026
Interested in joining? Oceanic Research Group, LLC, North Miami Beach, Florida
CDC Research Institute, LLC, Port Saint Lucie, Florida Cordova Research Insittute, Sweetwater, Florida Better Life Clinical Research LLC, Tampa, Florida Research Bay,Inc., Tampa, Florida Santos Research Center - 5927 Webb Rd, Tampa, Florida Angels Clinical Research Institute Tampa-Palm Springs, Tampa, Florida Covenant Pulmonary Criticial Care and Research Ins, East Point, Georgia Clay Platte Family Medicine - CCT Research, Kansas City, Missouri Prime Global Research, Inc., The Bronx, New York Progressive Medicine of the Triad, LLC, Winston-Salem, North Carolina Epic Medical Research - Chickasha, Chickasha, Oklahoma Rhode Island Hospital, Providence, Rhode Island Epic Med. Research LLC, DeSoto, DeSoto, Texas SMS Clinical Research, LLC - 400 W. Kearney St, Mesquite, Texas Clinical Research Partners LLC, Richmond, Virginia Frontier Clinical Research Waterfront, Morgantown, West Virginia Shiwa Central Pediatrics, Shiwa-gun, Iwate Medical corporation Kojinkai Takahashi Internal Medicine, Kawasaki-Shi, Kanagawa Ebino Centro Clinic, Ebino, Miyazaki Rinku General Medical Center, Izumisano, Osaka Yamaichi Building Internal Medicine Clinic, Adachi-Ku, Tokyo Medical Corporation Hosoda Clinic, Katsushika-ku, Tokyo Medical Corporation Shirayurikai Swing Building Nozaki Clinic, Musashino, Tokyo Nogata Clinic, Nakano-ku, Tokyo Noguchi Internal Medicine Clinic, Nakano-Ku, Tokyo Sato Clinic, Shibuya-Ku, Tokyo Mih Clinic Yoyogi, Shibuya-Ku, Tokyo Medical corporation Hiroyukai Yotsuya Internal Medicine, Shinjuku-Ku, Tokyo Yoshida Clinic, Suginami-ku, Tokyo Sekino Hospital, Toshima-Ku, Tokyo Kijima Kids Clinic, Higashiokitama-gun, Yamagata Toda Internal Medicine and Neurology, Hyōgo