Evaluation of the Analgesic Effect of Intramyometrial Botulinum Toxin Injection Via Hysteroscopy in Severe Primary Dysmenorrhea — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(8 sites)
France
Clinique axium / Centre resilience, Aix-en-Provence Hôpital de la Croix-Rousse, Lyon Clinique Brétéché, Nantes Age range
18 Years and older
Last updated February 2026