Skip to main content Skip to search Skip to main navigation

PMDA: English Version of Biosimilar Q&As

On 27 March 2024, Japan's PMDA (Pharmaceuticals and Medical Devices Agency) published an English-language version of its updated recommendations on the quality, safety, and efficacy of biosimilars. The 14-page document, Questions and Answers on Guideline for Ensuring the Quality, Safety, and Efficacy of Biosimilars, has been updated to reflect the current state of scientific knowledge. The revised sections of the document are indicated and relate to Q&As 9, 10, and 11.

Significant changes are found in the updated Q&A 10 "Is it acceptable to use data from clinical trials conducted in non-Japanese subjects that confirm the equivalence of pharmacokinetics and efficacy (including pharmacodynamics) with the original biopharmaceutical in the marketing application?".

PMDA explains that biosimilar studies are designed to confirm pharmacokinetics (PK) bioequivalence and efficacy, including pharmacodynamics (PD). Therefore, data from overseas studies with non-Japanese participants can be used if the ethnic factors of the participants do not influence the study results. If this should be the case, the methods outlined in the Basic Principles on Global Clinical Trials cannot be directly applied to the Japanese population.

The new Q&A 11 explains how this should be further assessed: the primary objective is to consider the observed quality characteristics between the originator biopharmaceutical and the biosimilar to assess their impact on ethnic factors. You will find the document and more information on the new Biosimilar section on the PMDA website.


Source:

PMDA: (Q&A) Guideline for Ensuring the Quality, Safety, and Efficacy of Biosimilars

Meet the GMP Compliance Adviser

The GMP Compliance Adviser is the world's largest knowledge portal for quality management in the pharma business. 

The demo access is non-binding and ends automatically.

Test it now for free

You may also be interested in the following articles:

Annex 22: EMA Workshop on AI in GMP

Annex 22: EMA Workshop on AI in GMP

The European Medicines Agency (EMA) will hold a two-day multistakeholder workshop on 30 June and 1 July 2026 to gather expert input for the development of Annex 22 of the EU GMP Guide on the use of artificial intelligence (AI) in medicines manufacturing.
Read more
FDA: Pilot Program for One-Day Inspectional Assessments

FDA: Pilot Program for One-Day Inspectional Assessments

Since April 2026, the U.S. FDA has been piloting “One-Day Inspectional Assessments” as a complement to standard FDA inspections.
Read more
EU: Commission Implementing Regulation on QM and Conformity Assessment Activities of Notified Bodies

EU: Commission Implementing Regulation on QM and Conformity Assessment Activities of Notified Bodies

Commission Implementing Regulation (EU) 2026/977 of 4 May 2026 further specifies requirements for notified bodies under the MDR and IVDR frameworks and aims to promote a more harmonised implementation across the European Union.
Read more
The ABC of User Requirements Specification (URS)

The ABC of User Requirements Specification (URS)

In the URS, the future user defines what the system should be capable of, but also what it is limited to. In addition to the (testable!) technical requirements, regulatory require-ments should also be taken into account.
Read more
What is the Importance of Data Integrity?

What is the Importance of Data Integrity?

Here's the answer:
Read more
EDQM: Updated Guideline on CEP Revisions and Renewals

EDQM: Updated Guideline on CEP Revisions and Renewals

The European Directorate for the Quality of Medicines & HealthCare has published a revised version of its guideline on the revision and renewal of Certificates of Suitability (CEPs) (PA/PH/CEP (04) 02), aligning it with recent EU legislation on variation procedures.
Read more
Previous
Next