Initiate Phase 1 healthy volunteer dual combination trial for SION-451
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
- 4 Jun 2025
- Due
- 31 Dec 2025
- Delivered
- August 2025
- Deadline
- Met
- Late
- Not met
- Today
What the company said
“Sionna is on track to initiate the healthy volunteer trial in the second half of 2025”
What we found
Evidence strength A What the grades mean
Sionna Therapeutics initiated the Phase 1 healthy volunteer dual combination trial for SION-451 in August 2025, which is within the second half of 2025 deadline.
-
A Sionna Therapeutics, Inc. 8-K filed 2026-03-02
“In August 2025, Sionna announced the initiation of the Phase 1 trial (NCT07035990) evaluating SION-451 in proprietary dual combinations with SION-2222 (galicaftor)... and with SION-109... in healthy volunteers.” ✓ confirmed on the page
Market reaction: the shares moved -5.3% against the S&P 500 over the three sessions around the disclosure (27 Feb 2026 to 4 Mar 2026). 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
- Project other
- Indicative materiality
- Low rules
- Action
- Initiate
- Deliverable
- Phase 1 healthy volunteer dual combination trial for SION-451
- Language
- Firm (“will”, “on track to”)
- 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.
Not yet confirmed. Shown on the record, but it will not count in any score until it is confirmed. How verification works
Are you Sionna Therapeutics, Inc.? You can publish an official statement next to this entry, free. Add a statement.
Is something here wrong or out of date? Companies and readers can ask us to check it. Please bring a link to a public source.
Report an error in this entry Reference: KI-C-2025-SION-001958 · Corrections policy