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Regulatory [Regulated Pathways](/ecosystems/regulated-pathways)[Global Markets](/ecosystems/global-markets)PMDA 

# Pharmaceuticals and Medical Devices Agency

Japan's regulatory authority for medical devices, drugs, and regenerative medicine.

Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 

## Definition

PMDA conducts scientific reviews of marketing authorization applications and post-marketing safety for drugs and medical devices in Japan, working under the Ministry of Health, Labour and Welfare (MHLW). 

What the regulation says

The Pharmaceuticals and Medical Devices Agency (PMDA) is Japan's primary regulatory body for medical devices and pharmaceuticals, operating under the Ministry of Health, Labour and Welfare (MHLW). The PMDA conducts pre-market reviews for marketing authorization and oversees post-market safety, aligning with the Pharmaceutical and Medical Device Act (PMD Act). PMDA also accepts  [Medical Device Single Audit Program](/terms/mdsap) (MDSAP) reports as a substitute for parts of its own Quality Management System (QMS) inspections for eligible manufacturers. 

## What this means in practice

Japan classifies devices into Classes I–IV. Higher-risk devices require Shonin approval; many Class II devices use third-party Ninsho certification. PMDA accepts  [MDSAP](/terms/mdsap) audits in lieu of QMS inspections for many manufacturers. 

## Examples

-   A manufacturer of a Class III implantable device submits a Shonin application to PMDA, including comprehensive clinical data and manufacturing site information.
-   A company developing a Class II diagnostic imaging system opts for Ninsho certification by a registered third-party body, streamlining its pre-market review process through a trusted entity.
-   A MedTech company with an MDSAP certificate uses it to satisfy PMDA's QMS inspection requirements for their manufacturing facility, reducing the need for separate audits.

Common pitfalls

-   • A common misconception is that PMDA only reviews Shonin (higher-risk) applications; however, PMDA also oversees Ninsho (third-party certified) devices through audits and vigilance. 
-   • Manufacturers might overlook that while MDSAP is accepted, specific Japanese QMS requirements, as outlined in the PMD Act, still apply and must be met. 
-   • Failing to understand the nuances between Shonin and Ninsho pathways can lead to delays in market access for MedTech products in Japan. 
-   • Assuming that PMDA's focus is solely on pre-market approval, neglecting the significant post-market surveillance and reporting obligations it enforces, is a critical error. 

## Frequently asked questions

What is the scope of PMDA's regulatory authority? 

PMDA's authority covers the scientific review of marketing authorization applications for medical devices, in-vitro diagnostics, and pharmaceuticals, as well as their post-market safety under the Pharmaceutical and Medical Device Act (PMD Act). 

How does PMDA interact with the Medical Device Single Audit Program (MDSAP)? 

What is the difference between Shonin and Ninsho approvals in Japan? 

## Cross-references

### Uses

Concepts or artefacts this term builds on.

-   [
    
    Medical Device Single Audit Program(MDSAP) 
    
    
    
    ](/terms/mdsap)

## Related terms

Grouped by theme 

### Editor's picks

· Hand-selected related concepts 

[

Regulatory

IMDRF

International Medical Device Regulators Forum.





](/terms/imdrf)[

Quality & Risk

Medical Device Single Audit Program(MDSAP) 

Single audit of a manufacturer's QMS satisfying multiple participating regulators.





](/terms/mdsap)

### More in Regulatory

· Same category 

[

Regulatory

510(k) Premarket Notification(510(k)) 

FDA submission demonstrating a device is substantially equivalent to a legally marketed predicate.





](/terms/510k)[

Regulatory

510(k) Summary vs 510(k) Statement

Two alternative disclosure mechanisms in a 510(k) submission, a Summary is public on FDA's website; a Statement promises to share Safety & Effectiveness info on request.





](/terms/510k-summary-vs-statement)[

Regulatory

513(g) Request for Information(513(g)) 

Formal mechanism to ask FDA whether a product is a device and, if so, its likely classification.





](/terms/513g)[

Regulatory

Abbreviated 510(k)

510(k) variant that relies on FDA guidance, special controls, or recognized consensus standards.





](/terms/abbreviated-510k)

Cited by

Where this term appears across MedTech Terms.

Ecosystems (2)

-   [Regulated Pathways](/ecosystems/regulated-pathways)
-   [Global Markets](/ecosystems/global-markets)

## Primary references

3 sources 

Link health:  3 verified · last checked 2026-06-20 

PMDA· 1 IMDRF· 1 RAPS· 1 

1.  [1 
    
    PMDA English site
    
    Verified 
    
    PMDA · pmda.go.jp 
    
    
    
    ](https://www.pmda.go.jp/english/)
2.  [2 
    
    IMDRF Documents
    
    Verified 
    
    IMDRF · imdrf.org 
    
    
    
    ](https://www.imdrf.org/documents)
3.  [3 
    
    RAPS Regulatory Focus
    
    Verified 
    
    RAPS · raps.org 
    
    
    
    ](https://www.raps.org/news-and-articles/news-articles)

Inline markers like \[1\]  jump to the matching reference above.

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On this term

Category

Regulatory

Acronym

PMDA

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Updated

5/5/2026

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Card Lesson Quiz

Japan's regulatory authority for medical devices, drugs, and regenerative medicine.

-   · Japan classifies devices into Classes I–IV. 
-   · Higher-risk devices require Shonin approval; many Class II devices use third-party Ninsho certification. 
-   · PMDA accepts MDSAP audits in lieu of QMS inspections for many manufacturers. 

Remember this

Watch out: A common misconception is that PMDA only reviews Shonin (higher-risk) applications; however, PMDA also oversees Ninsho (third-party certified) devices through audits and vigilance.

Related terms

-   [Medical Device Single Audit Program(MDSAP) ](/terms/mdsap)
-   [IMDRF ](/terms/imdrf)

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