BLOCK-SAH - PPF-Block for Post-SAH Headache — StellaPhase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
Trial locations(11 sites)
United States
University of Florida, Gainesville, Florida Emory University, Atlanta, Georgia University of Maryland Baltimore, Baltimore, Maryland Mayo Clinic, Rochester, Minnesota Albany Medical College, Albany, New York University of Rochester Medical College, Rochester, New York University of Cincinnati, Cincinnati, Ohio Oregon Health and Sciences University, Portland, Oregon Thomas Jefferson University, Philadelphia, Pennsylvania University of Washington, Seattle, Washington Medical College of Wisconsin, Milwaukee, Wisconsin Age range
18 Years – 85 Years
Last updated November 2025