Seasonal Variations in Triptan Prescription in Japan: A Nationwide Time‐Series Analysis
2024

Seasonal Variations in Triptan Prescription in Japan

Sample size: 12986 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tatsumoto Muneto, Hirata Koichi, Nakayama Takeo, Yamato Kentaro, Sano Hiromi, Inuyama Lyo

Primary Institution: Otsuka Pharmaceutical Co. Ltd, Tokyo, Japan

Hypothesis

Variations in seasonality in Japan are associated with the onset of migraine.

Conclusion

The study results suggest that seasons can impact the onset of migraine, and clinicians may advise preventive actions from winter to reduce migraine onsets in spring.

Supporting Evidence

  • 12,986 patients were analyzed in 2019.
  • The mean number of triptan prescriptions was lower in winter compared to spring.
  • 74.1% of the sample were female.
  • The average age of participants was 44.1 years.
  • Patients were categorized into four seasonal groups for analysis.

Takeaway

This study found that the time of year can affect how often people get migraines, and doctors should help patients prepare for migraine season.

Methodology

The study analyzed medical claims data and meteorological data to assess seasonal differences in triptan prescriptions among migraine patients.

Potential Biases

Potential unmeasured confounders related to migraines may exist.

Limitations

The study may not accurately reflect individual weather conditions experienced by patients and does not include over-the-counter medications.

Participant Demographics

74.1% female, mean age 44.1 years.

Statistical Information

P-Value

<0.001

Confidence Interval

−0.169 to −0.065

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1002/brb3.70184

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