Clinical Trials Information System (CTIS) After the January 2025 Cutoff: Managing 12-Day RFI Turnarounds
Following the completion of the mandatory EU CTR transition on January 30, 2025, 100% of European clinical trials now operate inside CTIS—where sponsors face a strict maximum 12-calendar-day clock to translate and submit Request for Information (RFI) responses.
Full CTIS Enforcement Across All Active European Clinical Trials
With the January 30, 2025 transition deadline now passed, every active interventional clinical trial in the European Economic Area is governed exclusively by Regulation (EU) No 536/2014 and managed within the Clinical Trials Information System (CTIS). Under the revised CTIS transparency rules that also took effect recently, core patient-facing and scientific documents become publicly searchable earlier in the trial lifecycle, heightening scrutiny on both scientific accuracy and personal data redaction.

Engineering a 48-Hour Translation Workflow for 12-Day CTIS RFIs
The single greatest operational challenge for clinical trial sponsors inside CTIS is the statutory Request for Information (RFI) clock: when Member State regulators or Ethics Committees raise questions on Part I or Part II documentation, sponsors have at most 12 calendar days to formulate answers, amend protocols or Informed Consent Forms (ICFs), translate the updated texts into all participating Member State languages, and upload them before the application automatically lapses. Dedicated clinical translation desks maintain pre-aligned trial TMs to deliver verified RFI translations within 24 to 48 hours.
Executive Takeaways for Global Enterprises
- Key Insight: Since January 31, 2025, all EU clinical trials operate exclusively under Regulation (EU) No 536/2014 in CTIS.
- Key Insight: Failure to respond to a CTIS Request for Information (RFI) within 12 calendar days results in automatic application lapse.
- Key Insight: Pre-aligned clinical Translation Memories and dedicated medical revisers enable 24–48 hour RFI translation turnarounds.
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Editorial & Copyright Attribution Note: This industry analysis has been independently synthesized and adapted by Alphatrad’s editorial team based on verified regulatory documentation and industry research originally published by European Medicines Agency (EMA) – CTIS Sponsor Handbook. For the original publication and primary documentation, please consult:
Source: https://www.ema.europa.eu/en/human-regulatory-overview/research-development/clinical-trials-human-medicines/clinical-trials-regulation/clinical-trials-information-system-ctis-training-support





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