$TYRA

Tyra Biosciences stock tumbles 30% on phase 2 trial results

Tyra Biosciences (NASDAQ: TYRA) shares dropped 30% after reporting Phase 2 trial results for dabogratinib. The drug showed a 79% overall response rate and 64% complete response rate in combined patients. The trial enrolled 44 participants, with safety results indicating low rates of severe adverse events. Tyra plans to continue enrollment and engage with health authorities for Phase 3 study design.

Original reporting
Published Sep 9, 2026, 12:36 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 12:54 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefTechnology
Primary signal
$TYRA
Bearish
high confidence
Mentioned
$TYRA
Relevance
9/10
AlphAI data visualization · based on investing.com
Decision brief

The 30-second read

$TYRABearishHigh
01

Why it matters

The 30% price drop reflects immediate market skepticism despite high response rates; future pricing will hinge on safety and Phase 3 plans.

02

Market read

The trial results create short‑term volatility for TYRA and may affect peer biotech valuations.

03

What to watch

Potential for partnership or licensing deals if data are validated in larger cohorts.

Relevance 9/10Novelty 9/10Timing: same-day

Background

Tyra Biosciences is a Nasdaq‑listed biotech developing FGFR3 inhibitors for bladder cancer.

Company-level read

Ticker impact

$TYRABearishHigh confidence
Context

TYRA stock dropped 30% after the company released Phase 2 SURF302 trial data showing a 79% overall response rate.

Expected impact

Further downside expected if additional data do not improve safety profile.

Evidence & confidence

A 30% intraday move on fresh trial data suggests strong market reaction; investors will likely adjust positions today.

Market effects

Phase 2 data may influence sentiment toward other FGFR3‑targeted biotech firms.

Limited to US biotech sector; no broader regional effect.

Minimal global impact beyond niche oncology investors.

Counterpoint

If safety data hold, the efficacy could drive a rebound once Phase 3 design is clarified.

Key entities

  • Tyra Biosciences

    Developer of dabogratinib, a FGFR3‑targeted therapy.

Related articles

$TYRAMedAI 8/10

Tyra Biosciences (TYRA) Dabogratinib Delivers 57% Complete Response Rate in Phase 2 Trial. Is Phase 3 Supported?

Tyra Biosciences (TYRA) reported Phase 2 trial results for dabogratinib, showing a 57% complete response rate in patients with FGFR3-altered bladder cancer. The study met its primary endpoint, with 79% objective response rate. The company plans further enrollment and regulatory discussions for Phase 3 design. Safety data showed no severe adverse events at the 60 mg dose.

$TYRAHighAI 9/10

Why is Tyra Biosciences stock surging today?

Tyra Biosciences (TYRA) stock rose 9.8% after announcing a $400M public offering at $22.03 per share, with proceeds funding clinical programs. The offering was led by RA Capital and major banks, following positive Phase 2 trial results. The company aims to advance its dabogratinib 3x3 strategy, targeting specific cancers and achondroplasia.

$JNJMedAI 8/10

Weekly Buzz: JNJ Wins FDA Nod; AXGN, HCWB Strike Deals; ROIV, AZN, GPCR Lead Clinical Trials

Johnson & Johnson (JNJ) received CE Marking for ACUVUE OASYS MAX 2-Week contact lenses. GSK (GSK) expanded Shingrix approval in Japan. Axogen (AXGN) to acquire BioCircuit for $200M. Femasys (FEMY) partnered with CapexMD for fertility financing. EpilepsyGTx collaborated with Viralgen (BAYN.DE) for gene therapy. HCW Biologics (HCWB) partnered with Akron Biotech. Bluejay Diagnostics (BJDX) teamed with Lovell for federal market access. Transgene (TNG.PA) expanded partnership with ProBioGen. Oncolyti

$TYRAHighAI 8/10

Why Is Tyra Biosciences Stock Sinking Wednesday? - Tyra Biosciences (NASDAQ:TYRA)

Tyra Biosciences (NASDAQ:TYRA) shares fell 21.6% after Phase 2 trial results for dabogratinib showed an 86% overall response rate in patients with target exposure, but a 57% complete response rate at 60 mg, below analyst expectations of 70-80%. The company plans to advance to Phase 3 development and expand the study to a 70 mg cohort. Initial upper tract urothelial cancer study results were positive.