Unique ID issued by UMIN | UMIN000048688 |
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Receipt number | R000055468 |
Scientific Title | The observational study examining the relationship between climate and the onset of migraine in Japan |
Date of disclosure of the study information | 2022/09/01 |
Last modified on | 2023/07/31 10:45:14 |
The observational study examining the relationship between climate and the onset of migraine in Japan
Weather study
The observational study examining the relationship between climate and the onset of migraine in Japan
Weather study
Japan |
Migraine
Neurology |
Others
NO
[Primary objective]
The objective of this research study is to "clarify the effect of weather conditions on the onset of migraines" and "whether or not the onset of migraines may increase in a period when the atmospheric pressure changes greatly compared to other seasons" was set as a research question.
[Secondary objective]
- Another objective of this study is to investigate the differences in onset of migraines by region affected by weather changes.
- An analysis of the amount of anti-migraine drugs (triptans) prescribed between seasons will also be performed and a descriptive research study including regionality will be conducted.
Others
[Cross-sectional research study: Case crossover design]
- The amount of triptans prescribed in each season
[Historical cohort research study]
- Date of the first triptan prescription from the index date in the target season
[Cross-sectional research study: Case crossover design]
- The amount of triptans prescribed in each season
[Historical cohort research study]
- Date of the first triptan prescription from the index date in the target season
[Descriptive research study]
- The amount of triptans prescribed per year and month stratified by region
- Number of patient visits to the medical institution per year and month
Observational
18 | years-old | <= |
74 | years-old | >= |
Male and Female
- Patients who have been diagnosed with headache based on the following International Classification of Diseases (ICD)-10 codes at least once during the enrollment period
ICD10; G43, G440*, G441*, G442*, G443*, G444*, G448*
* Headaches other than migraine G43 will also be extracted.
Patients <18 years of age
Patients prescribed a total of 120 tablets of triptans per year
Patients prescribed a total of 120 tablets of ergotamine per year
Patients with comorbidities that may cause secondary headaches
215319
1st name | Riyo |
Middle name | |
Last name | Inuyama |
Otsuka Pharmaceuticals Co., Ltd
Medical Affairs Department
108-8242
Grand Central Tower 2-16-4 konan,Minato-ku,Tokyo
03-6717-1400
Inuyama.Lyo@otsuka.jp
1st name | Kentaro |
Middle name | |
Last name | Yamato |
Otsuka Pharmaceuticals Co., Ltd
Medical Affairs Department
108-8242
Grand Central Tower 2-16-4 konan,Minato-ku,Tokyo
03-6717-1400
Yamato.Kentaro@otsuka.jp
Otsuka Pharmaceutical Co., Ltd.
none
Self funding
The research ethics committee of Otsuka Pharmaceutical Co., Ltd
463-10 Kagasuno,Kawauchi-cho,Tokushima-city,Tokushima
088-665-2126
Suzuki.Takashi@otsuka.jp
NO
2022 | Year | 09 | Month | 01 | Day |
Unpublished
215319
No longer recruiting
2022 | Year | 06 | Month | 30 | Day |
2022 | Year | 07 | Month | 21 | Day |
2022 | Year | 06 | Month | 30 | Day |
2022 | Year | 12 | Month | 31 | Day |
none
2022 | Year | 08 | Month | 17 | Day |
2023 | Year | 07 | Month | 31 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000055468
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