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A single injection of the greater occipital nerve (GON) with corticosteroids ('GON-injection') has been shown to be efficacious for the prophylactic treatment of cluster headache, with only mild, local side effects and often has its effect within days. It is a low-cost and safe treatment option; however, the beneficial effects are limited to weeks to months. This makes the injection suitable for episodic cluster headache, where periods with headache attacks last weeks to months. However, the effect of repeated GON-injections has never been studied in a double-blind randomized trial as a prophylactic therapy in a well-documented group of chronic patients. As such, (repeated) GON-injection has not yet found its place in current (inter)national treatment protocols for chronic cluster headache. The injection is often only used as a last-resort treatment in a very limited number of headache centres in a trial-and-error approach with a treatment interval varying between 3 and 6 months. It is, therefore, not known what chronic cluster headache patients can expect from this treatment.
Hypothesis: Repeated GON-injections are a safe, well-tolerated, convenient, and cost-effective therapy to rapidly and long-term reduce the attack frequency in chronic cluster headache.
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50 participants in 2 patient groups, including a placebo group
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Willemijn Naber
Data sourced from clinicaltrials.gov
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