Report proof-of-concept readouts for PF-06651600
Delivered after the deadline
AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.
- Announced
- 28 Jan 2020
- Due
- 31 Dec 2020
- Delivered
- January 2021
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“proof-of-concept readouts for PF-06651600, our dual JAK3/TEC inhibitor as a potential treatment for vitiligo”
What we found
Evidence strength A What the grades mean
Pfizer reported the proof-of-concept results for PF-06651600 (ritlecitinib) in January 2021, which occurred after the second half of 2020 deadline.
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A Pfizer Inc. 8-K filed 2021-02-02
“In January 2021, ritlecitinib (JAK3-TEC selective) oral small molecule reported positive top-line results in two Phase 2 studies, one for vitiligo” ✓ confirmed on the page
Market reaction: the shares moved -5.2% against the S&P 500 over the three sessions around the disclosure (1 Feb 2021 to 4 Feb 2021). What this measures
Checked 1 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
- Report
- Deliverable
- PF-06651600 proof-of-concept results
- In the company’s control
- High
- Specificity
- High
How this entry was checked
- Commitment recordedThe company's words were matched word for word against the filing.
- First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
- Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.
Confirmed. This outcome counts towards the company's Kept Score. How verification works
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Report an error in this entry Reference: KI-C-2020-PFE-001738 · Corrections policy