Navigating the New Amendments to the EU In Vitro Devices Regulation (IVDR)

Scott Phillips
VP of Real World Data
Real World Data
HCP collaboration2

The European Union has recently voted to adopt several key amendments to the In Vitro Devices Regulation (IVDR), aiming to address some of the persistent challenges in implementing this comprehensive new framework. In this article Dave Smart, a respected precision medicine expert at Diaceutics, provides his insights into these significant changes and their implications.

Extended deadlines for compliance

One of the most notable changes is the extension of the transition period for different classes of in vitro diagnostic devices to achieve full compliance with the IVDR. Here are the updated deadlines:

Device Class

Previous deadline

New deadline

D

26th MAY 2025

31st DEC 2027

C

26th MAY 2026

31st DEC 2028

B & A (sterile)

26th MAY 2027

31st DEC 2029

These extensions are crucial, especially for Class C devices, which encompass companion diagnostics - a cornerstone of precision medicine. It's important to note that this extension only applies to legacy devices that were:  

  • compliant under the previous In Vitro Devices Directive (IVDD),
  • have not undergone significant changes in design or intended use, and
  • do not pose an unacceptable risk to patient health or safety.
Additionally, manufacturers must implement a quality management system (QMS) by 26th May 2025. 

Impact on Laboratory-Developed Tests (LDTs)

The amendments do not explicitly address laboratory-developed tests (LDTs). However, it is assumed that the deadline for compliance with Article 5.5(d)—which requires demonstrating that the specific needs of the target patient population cannot be met by existing market products - will also be extended.

Addressing potential diagnostic shortages

The EU acknowledges that even with extended deadlines, manufacturers might face challenges that could result in a shortage of critical diagnostic tools. To mitigate this, the amendments now mandate that manufacturers provide prior notice of any anticipated shortages of in vitro diagnostics to relevant stakeholders, including downstream economic operators. This proactive measure aims to ensure continuity in the availability of essential diagnostics. 

Phased implementation of the Eudamed database

Another significant change involves a phased approach to the implementation of the Eudamed database. Manufacturers are now required to provide information to the five existing modules before the remaining modules are completed. This phased implementation is expected to be in place by Q4 2025. The EU will continue to monitor the rollout of the IVDR and the related Medical Device Regulation, suggesting that further amendments could be on the horizon.

 Conclusion

These amendments represent a thoughtful response by the EU to the complexities of transitioning to the new IVDR framework. By extending deadlines, addressing potential shortages, and phasing the implementation of critical systems like Eudamed, the EU aims to facilitate a smoother transition for manufacturers and maintain the availability of vital diagnostic tools. As always, Diaceutics remains committed to supporting our partners in navigating these regulatory changes and advancing precision medicine.

FAQs

What are the new IVDR compliance deadlines?
The EU has extended the transition periods for legacy in vitro diagnostic devices: Class D moves from May 2025 to 31 December 2027, Class C from May 2026 to 31 December 2028, and Class B and A (sterile) from May 2027 to 31 December 2029. These extensions give manufacturers more time to achieve full compliance with the new framework.
Which devices qualify for the extended deadlines?
The extensions only apply to legacy devices that were compliant under the previous In Vitro Devices Directive (IVDD), have not undergone significant changes in design or intended use, and do not pose an unacceptable risk to patient health or safety. Manufacturers must also implement a quality management system (QMS) by 26th May 2025.
Why do these changes matter for precision medicine?
The extensions are especially significant for Class C devices, which include companion diagnostics — a cornerstone of precision medicine. By easing the timeline for these critical tools, the amendments help safeguard continued patient access to the diagnostics that guide targeted therapy decisions.
How do the amendments affect Laboratory-Developed Tests (LDTs)?
The amendments do not explicitly address LDTs. However, it is assumed that the deadline for compliance with Article 5.5(d) — which requires demonstrating that the specific needs of the target patient population cannot be met by existing market products — will also be extended in line with the other changes.
How is the EU addressing potential diagnostic shortages?
Recognising that manufacturers may still face challenges, the amendments now mandate prior notice of any anticipated shortages of in vitro diagnostics to relevant stakeholders, including downstream economic operators. This proactive measure aims to protect continuity in the availability of essential diagnostic tools.
What is changing with the Eudamed database?

The rollout is now taking a phased approach. Manufacturers must provide information to the five existing modules before the remaining modules are completed, with phased implementation expected by Q4 2025. The EU will continue to monitor the IVDR and related Medical Device Regulation, signalling that further amendments could follow.

About Diaceutics

We’ve been with pharma and biotech companies for over 20 years, helping them to make more informed diagnostic and therapeutic decisions based on real-world data. Our platforms and tools provide global insight from a network of laboratories across 50+ countries.


This unparalleled visibility into real-world testing helps support therapy programs across oncology, cardiology, neurology, autoimmune, rare diseases, and many more.

Written By Scott Phillips
As VP of Real World Data, Scott leads the incubation and development of Diaceutics' Real World Data business unit, driving channel partnerships, new product offerings, and the integration of advanced data and AI capabilities into our platform. A HealthTech executive specialising in real-world data, AI strategy, and commercial growth, he brings deep expertise in scaling complex data products from inception to market leadership. His career has been shaped by senior roles at Komodo Health and COTA Healthcare, alongside strategic consulting at L.E.K. Consulting. An MBA graduate of Harvard Business School, his leadership accelerates commercial growth and strengthens our real-world evidence offering for pharma.
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