# Kissei Pharmaceutical

Source: https://onco.cc/companies/kissei/  
OnCo record `kissei` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Kissei is a Japanese pharmaceutical company from Matsumoto, founded in 1946, whose in-licensed haematology and oncology products go through the Japanese phase 3 trials it leads.

## Summary

Kissei Pharmaceutical Co., Ltd., headquartered in Matsumoto, Nagano, and listed in Tokyo, develops and markets prescription medicines in urology, nephrology and rare diseases, and in-licenses haematology and oncology products for the Japanese market, running the domestic phase 3 trials needed for approval. ClinicalTrials.gov lists Kissei as lead sponsor of phase 3 cancer trials.

## Fields

- Kind: Company
- Last checked: 2026-09-11
- Also known as: Kissei Pharmaceutical Co., Ltd.; キッセイ薬品工業
- Tags: ctgov-sponsor
- HQ: Matsumoto
- Type: pharma
- Website: http://www.kissei.co.jp

## Sources

- Official website: http://www.kissei.co.jp
- ClinicalTrials.gov: trials led by Kissei Pharmaceutical Co., Ltd.: https://clinicaltrials.gov/search?lead=Kissei%20Pharmaceutical%20Co.%2C%20Ltd.
- Wikidata: https://www.wikidata.org/wiki/Q11296797

## Connected records

- terms: [Clinical trial](https://onco.cc/terms/clinical-trial/), [Pivotal (registrational) trial](https://onco.cc/terms/pivotal-trial/)

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JSON: https://onco.cc/api/v1/entities/kissei.json