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Tratamiento único con MM120 (Lysergide) en el trastorno de ansiedad generalizada: un ensayo clínico aleatorizado
Reid Robison1, Robert Barrow2, Craig Conant2
1Cedar Clinical Research, Draper, Utah.
JAMA
|September 4, 2025
Resumen
Una dosis única de MM120 redujo significativamente la ansiedad en adultos con trastorno de ansiedad generalizada (TAG) de moderado a severo. Las dosis más altas de MM120 mostraron un efecto dependiente de la dosis, lo que respalda su potencial como tratamiento de la GAD.
Área de la Ciencia:
- La psiquiatría
- Farmacología
- Ensayos clínicos
Sus antecedentes:
- El trastorno de ansiedad generalizada (TAG) es una afección psiquiátrica común que requiere tratamientos efectivos.
- Las farmacoterapias actuales para el TAG requieren investigación continua para mejorar la eficacia y la tolerabilidad.
Objetivo del estudio:
- Investigar la relación dosis-respuesta de MM120 (lisergida D-tartrato) en adultos que presentan un TAG de moderado a severo.
- Evaluar la eficacia de las dosis únicas de MM120 en un rango de dosis en comparación con el placebo.
Principales métodos:
- Un estudio multicéntrico, aleatorizado, doble ciego y controlado con placebo de fase 2b en el que participaron 198 adultos con TAG de moderada a grave.
- Los participantes recibieron dosis únicas de MM120 (25, 50, 100 o 200 μg) o placebo.
- El resultado primario se evaluó por el cambio en las puntuaciones de la Escala de Ansiedad de Hamilton (HAM- A) a las 4 semanas, analizadas utilizando el método MCP- Mod.
Principales resultados:
- Se observaron reducciones estadísticamente significativas en las puntuaciones de HAM-A en la semana 4 para los grupos de dosis de 100 μg y 200 μg de MM120 en comparación con el placebo.
- Los grupos de dosis de 25 μg y 50 μg de MM120 no mostraron una diferencia estadísticamente significativa con respecto al placebo.
- Los efectos adversos, incluidos cambios en la percepción visual, náuseas y dolor de cabeza, fueron dependientes de la dosis y consistentes con los efectos conocidos.
Conclusiones:
- Una sola administración de MM120 demostró una reducción dependiente de la dosis en los síntomas de ansiedad en pacientes con TAG moderada a grave.
- Los hallazgos apoyan la eficacia de MM120 y proporcionan datos cruciales para seleccionar las dosis óptimas para futuros ensayos de fase 3.
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