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OHP-053 Intranasal Applications of Capsaicin to Treat Cluster Headache, a Case Report
  1. M Suarez Santamaría1,
  2. E Campelo Sanchez1,
  3. S San Martin Alvarez1,
  4. N Martinez Lopez de Castro1,
  5. A Carregal Raño2,
  6. A Martin Vila1,
  7. D Perez Parente1,
  8. G Piñeiro Corrales1
  1. 1Hospital Meixoeiro, Farmacia, Vigo, Spain
  2. 2Hospital Meixoeiro, Anestesia, Vigo, Spain

Abstract

Background Cluster headaches are one of the most severe types of head pain. Intranasal medicines for the treatment of headache have recently received increased attention. In this sense, capsaicin has been proven to be a useful agent for the treatment of several painful diseases, but no conclusive information is available about the effects of intranasal capsaicin in people with chronic cluster headaches.

Purpose To describe the development of a formulation for a case of Horton’s headache refractory to other treatments, which was treated with intranasal capsaicin.

Materials and Methods A 59-year-old woman presenting cluster headache refractory to conventional therapy (anticonvulsants, antidepressants and deep brain stimulation) for four years. The treatment was authorised as compassionate use by the national regulatory agency for drugs. The preparation used contained capsaicin solution 0.075%, administered in a 1 ml insulin syringe. The patient received 0.1 ml of an emulsion containing capsaicin 0.3 mg dissolved in 80% saline solution, 10% paraffin oil, and 10% polyethylene glycol sorbitan monooleate (Tween 80), applied in both nostrils once a day for 7 days. The quality of the organoleptic properties was checked according to Good Manufacturing Practice. In the first week of treatment we administered half doses to reduce potential adverse effects as reported in the bibliography.

Results Intranasal capsaicin produces an intense burning sensation, lacrimation, and rhinorrhoea that lasts for about 20 minutes, although these symptoms progressively decrease and disappear after 5–8 applications. In this case, the burning sensation in the nose was not tolerated by the patient and the treatment was discontinued.

Conclusions We could not extract relevant data relating to efficacy of the treatment because side effects developed. There are no formal studies of optimal formulations or treatment regimens and further studies are needed to elucidate the role of capsaicin in the treatment of cluster headache.

No conflict of interest.

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