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Can indomethacin act as a disease modifying agent in hemicrania continua? A supportive clinical case
1Neurology, Michigan Head Pain and Neurological Institute, Ann Arbor, MI 48104, USA.
Insights
Hemicrania continua (HC) may be modified by indomethacin treatment, potentially altering its long-term course. This suggests indomethacin might do more than just manage pain in some HC patients.
Area of Science:
- Neurology
- Pharmacology
Background:
- Hemicrania continua (HC) is a rare headache disorder with an often unremitting, lifelong course.
- The natural history and long-term effects of treatments for HC remain poorly understood.
- Prolonged indomethacin use, a common treatment, carries risks of significant medical morbidity.
Observation:
- A case of indomethacin-responsive hemicrania continua is presented.
- The patient achieved sustained pain freedom with a significantly reduced indomethacin dosage after initial daily use.
- This reduction suggests a potential disease-modifying effect beyond simple analgesia.
Findings:
- Indomethacin's role in hemicrania continua may extend beyond symptomatic pain relief.
- Evidence suggests indomethacin could potentially alter the underlying disease process in some HC cases.
- This challenges the notion that indomethacin only suppresses pain without affecting HC pathogenesis.
Implications:
- Further research into indomethacin's disease-modifying potential in HC is warranted.
- Understanding this effect could lead to revised treatment strategies and improved long-term patient outcomes.
- This case highlights the possibility of altering the natural history of hemicrania continua with targeted pharmacotherapy.
Abstract:
The natural history of hemicrania continua (HC) is not well-known. Most sufferers have the unremitting form and thus may have a lifetime duration of pain. There are only very rare cases in the literature documenting HC remission after treatment of the unremitting form with indomethacin. As the prolonged use of indomethacin can cause tremendous medical morbidity, knowledge of its true action on the course of HC is essential. The question arises: Does indomethacin have disease-modifying capacities for HC or does it just suppress the pain without altering the underlying disease pathogenesis? A case patient is presented who had indomethacin-responsive unremitting HC and after a period of daily use of indomethacin she was able to reduce her dose to one single 25-mg tablet 3 days per week and still remain pain free, suggesting disease modification. The case patient's history will be further discussed as well as the consideration that in some instances indomethacin can alter the natural history of HC.
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