Bridging the gap in your Phase I clinical studies. 

Japan’s pharmaceutical market is the second largest in the world. Japan relies on the import of pharmaceutical goods to meet the needs of the country’s population. To capitalise upon these opportunities, drug developers must comply with the strict Pharmaceuticals and Medical Devices Agency (PMDA) regulations. Richmond Pharmacology’s expertise can help you bridge the gap in your next Phase I clinical study.

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Learn about the bridging studies conducted at Richmond Pharmacology

A single centre study for Chiesi Pharmaceuticals. 16 Japanese and 16 Caucasian volunteers participated in cross over, bridging study for Chronic obstructive pulmonary disease. Read about our approach and the controls we introduced to reduce variability. Learn more here.

A cognitive function profile of a second generation antihistamine. The effect of rupatadine on cognitive functioning was evaluated by means of computerized cognitive tests: rapid visual information processing (RVP), reaction time (RT), spatial working memory (SWM) and visual analogue scales (VAS) with 27 Japanese volunteers. Learn more here.

Why choose Richmond Pharmacology for your Bridging Study

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Expertise in PMDA criteria

We have conducted more than 100 ethnic bridging studies enabling us to build a trusted relationship with the PMDA.

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25,000 active 1st generation Japanese subjects

Our recruitment database is the largest in Europe with more than 25,000 active 1st generation Japanese subjects. 

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Short- and long-term residency periods

We can accommodate studies with short-term and long-term residency periods.

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Richmond Pharmacology's ethnic bridging studies will reduce the PMDA approval timeline and accelerate your time to market.

Fast track your global marketing approvals

Our expertise can help you accelerate your drug development timelines globally

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Latest news

Patient safety is not an afterthought. Explore our new infographic!

September 17, 2025
Patient safety is not an afterthought; it is the foundation of every clinical trial.
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Events

JSCPT 2025

5 – 6 December 2025
Richmond Pharmacology will attend JSCPT 2025 in Tokyo, represented by their leadership team. Topics include early-phase studies, bridging studies between Europe and Asia, gene and RNA-based therapy development, and cross-border collaboration.
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