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ProQR Therapeutics N.V.

Deliver the interim analysis data from the Stellar trial of QR-421a

Delivered by the deadline

AI-assessed · human review in progress Found and assessed by AI from the cited sources. Shown with its evidence; it is not counted in any Kept Score until confirmed.

Announced
25 Feb 2021
Due
31 Mar 2021
Delivered
March 2021
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“QR-421a Stellar Phase 1/2 trial for Usher syndrome and non-syndromic retinitis pigmentosa interim analysis on track for late Q1/early Q2 2021”

What we found

Evidence strength A What the grades mean

A 2022 20-F says Stellar trial data for ultevursen, which the filings tie to exon 13 Usher/nsRP populations, were presented in March 2021, before the March 31, 2021 deadline.

  • A
    ProQR Therapeutics N.V. 6-K filed 2021-05-06 Regulatory filing · published 6 May 2021 · retrieved 26 Oct 2026 · kept permanently by the SEC
    “FFB has agreed to provide funding of $7.5 million for the pre-clinical and clinical development of QR-421a for Usher syndrome type 2A targeting mutations in exon 13.” ✓ confirmed on the page
  • A
    ProQR Therapeutics N.V. 20-F filed 2022-04-29 Regulatory filing · published 29 Apr 2022 · retrieved 26 Oct 2026 · kept permanently by the SEC
    “In March 2021, we presented data from a Phase 1/2 clinical trial of ultevursen, named Stellar, in adults with Usher syndrome or nsRP due to exon 13 USH2A mutations.” ✓ confirmed on the page
  • A
    ProQR Therapeutics N.V. 20-F filed 2022-04-29 Regulatory filing · published 29 Apr 2022 · retrieved 26 Oct 2026 · kept permanently by the SEC
    “In March 2021, results from the Stellar trial were reported.” ✓ confirmed on the page

Checked 26 Oct 2026.

Commitment DNA

The structured record of this commitment. Fields the company did not state are left blank rather than guessed.

Event type
Clinical readout
Indicative materiality
Medium rules
Action
Deliver
Deliverable
QR-421a Stellar trial interim analysis data
In the company’s control
High
Specificity
Medium

How this entry was checked

  1. Commitment recordedThe company's words were matched word for word against the filing.
  2. First checkAn AI model, Claude (Anthropic), read the company's later filings and recorded the outcome with a quoted passage.

Not yet confirmed. Shown on the record, but it will not count in any score until it is confirmed. How verification works

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Report an error in this entry Reference: KI-C-2021-PRQR-024605 · Corrections policy

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