Japanese Pharmaceuticals and Medical Devices Agency (PMDA) Review Reports: Historical approval documents for drugs like Migsis/Midoripin (in Japanese). These are primary sources for the official indication, dosing, and safety information at the time of approval in Japan.
Martindale: The Complete Drug Reference (Specific Editions from 1970s-1990s). London: Pharmaceutical Press. (Provides historical monographs on Iprazochrome/Iprazochrome combinations, listing composition, actions, uses, pharmacokinetics, adverse effects, precautions).
Ono Pharmaceutical Co., Ltd. (Historical Package Inserts/Brochures): For products like Migsis (イプラゾクロム). Primary source for specific contraindications, warnings, and adverse reactions reported during its market period in Japan.
Tfelt-Hansen, P., et al. (2000). Guidelines for controlled trials of drugs in migraine: Second edition. Cephalalgia, 20(9), 765-786. (Highlights the evolution of evidence standards for migraine drugs, against which older drugs like iprazochrome are judged).
Goadsby, P. J., et al. (2017). Pathophysiology of Migraine: A Disorder of Sensory Processing. Physiological Reviews, 97(2), 553–622. (Explains the modern understanding of migraine pathophysiology, showing why older combination drugs like iprazochrome are not mechanism-targeted).
American Headache Society. (2015). The American Headache Society Position Statement On Integrating New Migraine Treatments Into Clinical Practice. Headache, 55(1), 3-20. (And subsequent AHS consensus guidelines). (Demonstrates the standard of care for acute migraine treatment, which does not include iprazochrome).
International Headache Society (IHS). The International Classification of Headache Disorders, 3rd Edition (ICHD-3). (Provides diagnostic criteria; treatment recommendations in associated guidelines reflect current standards).
Ibanez, L., et al. (2005). Agranulocytosis associated with dipyrone (metamizole). European Journal of Clinical Pharmacology, 60(11), 821–829. (Reviews the serious blood dyscrasia risk associated with pyrazolone derivatives like the isopropylantipyrine component of iprazochrome, supporting its classification as a major risk factor).
Sato, K., & Hattori, T. (1986). Clinical evaluation of iprazochrome (Midoripin) in the treatment of migraine headache: Double-blind comparative study with placebo. Journal of New Remedies & Clinics, 35(1), 94-111. (Example of the type of limited historical clinical trial data available, often small and not meeting modern RCT standards).
Japanese Ministry of Health, Labour and Welfare (MHLW) Pharmaceutical and Medical Safety Bureau Notifications. (Documents regulatory status and any safety communications issued during the drug's market life in Japan).