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Clinical Trial Summary

Chronic tension-type headache (CTTH) is an underestimated disabling condition that affects a large number of patients. The treatment options for both episodic tension-type headaches, but especially CTTH are few. Poor long-term effects of existing treatment for CTTH (Sarotex, SSRIs, physiotherapy) are reported. Patients with CTTH also have a high risk of developing drug overdose headache (MOH). Non-drug treatments with physiotherapy/ alternative medicine also show poor long-term effects. And literature reviews shoes that there is surprisingly little research on CTTH. Some small clinical trials report a good effect of treatment with botulinum toxin A in CTTH, but larger controlled trials are needed to confirm or deny this. We will study effect of treatment with botulinum toxin A in CTTH in BACT study, and we will include participants with both frequent and chronic TTH with 10 or more headache days per month. If BACT outcomes are positive, it will open a possibillity for a new treatment for TTH patients.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04857671
Study type Interventional
Source Central Norway Regional Health Authority
Contact Kristina Devik, MD
Phone +47 98833255
Email [email protected]
Status Not yet recruiting
Phase Phase 3
Start date June 1, 2021
Completion date June 2024

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