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Pliant Therapeutics Announces Upcoming Presentation at the 2026 American Society of Clinical Oncology Annual Meeting

Key Takeaway: Pliant Therapeutics announced a presentation at the 2026 ASCO Annual Meeting, highlighting their Phase 1b trial of PLN-101095. This trial focuses on patients with ICI-refractory solid tumors, specifically non-small cell lung cancer and clear cell renal cell carcinoma. The study evaluates the safety and efficacy of PLN-101095 in combination with pembrolizumab.
Price reaction · baseline $1.23 (2026-05-21 close) · hit pre-market · clean, no other PLRX news in the window
day 0 close · peak
-1.6%

Market Sentiment Analysis

POSITIVE FACTORS

  • Pliant Therapeutics is presenting at a major oncology meeting.
  • PLN-101095 shows promise in treating ICI-refractory tumors.
  • The trial is expanding to include multiple patient cohorts.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+47%
120-day peak, hindsight
Typical move
1.5%
average across 6 past catalysts
Cash runway
~37 mo
Minimal dilution risk
Lead asset
PLN-101095
Phase 1 · Advanced or Metastatic Solid Tumor

Full Press Release Details

Highlights FORTIFY, the Phase 1b indication expansion trial of PLN-101095enrolling patients with ICI-refractory solid tumors
SOUTH SAN FRANCISCO, Calif., May 21, 2026 (GLOBE NEWSWIRE) -- Pliant Therapeutics, Inc. (Nasdaq: PLRX) today announced a presentation at the upcoming 2026 American Society of Clinical Oncology (ASCO) Annual Meeting taking place in Chicago, Illinois from May 29 to June 2, 2026.

Poster Presentation

Title:Cohort Expansion of a Phase I Study of PLN-101095, a First-in-Class Dual αvβ8 /αvβ1 Integrin Inhibitor, in Combination with Pembrolizumab in Patients with Advanced Solid Tumors Refractory to Immune Checkpoint Inhibitors
Presenter: Timothy A. Yap, MBBS, Ph.D., University of Texas, M.D. Anderson Cancer Center
Session: Developmental Therapeutics – Immunotherapy
Date: Saturday, May 30, 2026, 1:30 – 4:30 p.m. Central Time
Location: Hall A, Poster 467b

FORTIFY - PLN-101095 Phase 1b Indication Expansion Trial

PLN-101095 is currently being evaluated in Phase 1a/1b open-label, dose-escalation and indication expansion trial (NCT06270706) to evaluate the safety, tolerability, pharmacokinetics, and preliminary evidence of antitumor activity of PLN-101095 when administered orally in combination with pembrolizumab, in patients with immune checkpoint inhibitor (ICI)-refractory advanced or metastatic solid tumors. Pliant is currently enrolling patients in FORTIFY, a Phase 1b open-label, indication expansion trial enrolling three cohorts of patients with non-small cell lung cancer (NSCLC), tumors with high tumor mutational burden or clear cell renal cell carcinoma. Patients will be treated for 14 days with PLN-101095 dosed at 1,000 mg twice daily as monotherapy, after which pembrolizumab will be added as combination therapy.

About Pliant Therapeutics, Inc.

Pliant Therapeutics is a clinical-stage biopharmaceutical company focused on the discovery and development of integrin-based therapeutics. Pliant’s lead program is PLN-101095, an oral, small molecule, dual-selective inhibitor of αvß8and αvß1integrins, that is being developed for the treatment of ICI-refractory advanced or metastatic solid tumors. PLN-101095 is being investigated in FORTIFY, a Phase 1b indication expansion trial enrolling patients with NSCLC, tumors with high tumor mutational burden or clear cell renal cell carcinoma. Pliant’s preclinical research is focused on tissue-specific delivery and internalization of drug payloads utilizing integrin receptor-binding molecules with programs focused on delivering siRNAs to skeletal muscle cells, adipocytes, and renal cells.
For additional information on Pliant, visitwww.PliantRx.comand follow us onX,LinkedInandFacebook.

Investor and Media Contact:Christopher KeenanVice President, Investor Relations and Corporate CommunicationsPliant Therapeutics, Inc.ir@pliantrx.com

Frequently Asked Questions

What is PLN-101095?

PLN-101095 is a first-in-class dual integrin inhibitor being developed for ICI-refractory tumors.

What is the focus of the FORTIFY trial?

The FORTIFY trial focuses on patients with advanced solid tumors that are refractory to immune checkpoint inhibitors.

When is the ASCO 2026 meeting?

The ASCO 2026 Annual Meeting will take place from May 29 to June 2, 2026.

What types of cancers are included in the trial?

The trial includes non-small cell lung cancer and clear cell renal cell carcinoma.

Last updated: May 22, 2026