Overview

Gonyautoxin in the Treatment of Chronic Tension-Type Headache

Status:
Terminated
Trial end date:
2005-08-01
Target enrollment:
0
Participant gender:
All
Summary
The purpose of this study is to evaluate the clinical efficacy of Gonyautoxin 2/3 epimers in the treatment of patients diagnosed with chronic tensional-type headache in accordance with International Headache Society guidelines
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
University of Chile
Criteria
Inclusion Criteria:

- Chronic tensional-type headache patients according to the International Headache
Society criteria: patients with headache of a pressing or tightening quality with
episodic frequency above 15 days a month

- Refractory to conventional treatments such as, orally administered analgesics,
systemic muscular relaxant, corticoids and antidepressant like Amytriptiline

- Treated and controlled in the University Hospital Neurology Clinic over 2 years with
duration of symptoms over 3 years

Exclusion Criteria:

- Pregnancy

- Use of headache prophylactic treatment a month prior to infiltration

- Myasthenic syndromes

- Muscular dystrophies

- Inflammatory myopathies

- Acute and chronic polineuropathies

- Use of psychotropic substances 24-hour before infiltration

- Anticoagulant treatment

- terminal illnesses (AIDS, cancer)

- drugs or alcohol abuse