Efficacy of Bilateral Greater Occipital Nerve Block as a Treatment for Headache Secondary to Spontaneous Subarachnoid Hemorrhage

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

EU CTIS

Registry ID

CTIS2025-520619-15-00

Enrollment

Registered

2025-05-23

Start date

2025-07-11

Completion date

Unknown

Last updated

2025-06-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

headache pain related to SAH, Spontaneous subarachnoid hemorrhage

Brief summary

Composite variable consisting of headache reduction measured with the Numerical Pain Rating Scale (NPRS) at 1 hour post-procedure, defined as a ≥30% reduction (partial response) or ≥50% reduction (optimal effect) as dichotomous variables (yes/no; n, %), and/or the absence of headache within the first hour after the procedure.

Interventions

DRUGLidocaína B. Braun 20 mg/ml solución inyectable

DRUGSuero Fisiológico Braun 0

DRUG9% disolvente para uso parenteral Cloruro de sodio

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Design outcomes

Primary

Measure	Time frame
Composite variable consisting of headache reduction measured with the Numerical Pain Rating Scale (NPRS) at 1 hour post-procedure, defined as a ≥30% reduction (partial response) or ≥50% reduction (optimal effect) as dichotomous variables (yes/no; n, %), and/or the absence of headache within the first hour after the procedure.	—

Countries

Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026