Pliant Therapeutics Provides Corporate Update and Reports Second Quarter 2024 Financial Results

Positive data from a 12-week Phase 2a PET imaging trial demonstrated reduced total lung collagen, improved FVC and reduced cough severity in IPF patients treated with bexotegrast

Positive long-term data from INTEGRIS-PSC 320 mg dose group demonstrated bexotegrast was well tolerated with continued antifibrotic and anti-cholestatic activity observed at 24 weeks across multiple measures

BEACON-IPF Phase 2b trial on track for full enrollment in the first quarter of 2025
with data anticipated in mid-2026

SOUTH SAN FRANCISCO, Calif., Aug. 07, 2024 (GLOBE NEWSWIRE) -- Pliant Therapeutics, Inc. (Nasdaq: PLRX), a late-stage clinical biotechnology company and leader in the discovery and development of novel therapeutics for the treatment of fibrotic diseases, today provided a corporate update and reported second quarter 2024 financial results.

Second Quarter and Recent Highlights

“The recent bexotegrast data releases in IPF and PSC have exceeded our expectations continuing to demonstrate bexotegrast's favorable long-term safety profile and strong antifibrotic effect across multiple indications,” said Bernard Coulie, M.D., Ph.D., President and Chief Executive Officer of Pliant. “The consistently positive data generated to date, including from the recent Phase 2a PET imaging trial and from INTEGRIS-PSC, illustrate bexotegrast's potential to provide clinical benefit to the many IPF patients in need.”

Bexotegrast Highlights

  • Results from a 12-week Phase 2a PET imaging trial of bexotegrast in IPF showed reduced total lung collagen and improved forced vital capacity (FVC), suggesting potential for reversal of fibrosis. Results from this randomized, double-blind, placebo-controlled trial (NCT05621252) showed that bexotegrast at a once-daily dose of 160 mg was well tolerated over 12 weeks of treatment and demonstrated reduced total lung collagen as measured by positron emission tomography (PET) imaging, improvements in FVC and reduced cough severity across all time points compared to placebo. These results provide further support of bexotegrast’s antifibrotic mechanism of action and suggest the potential for reversal of fibrosis.
  • Enrollment remains on track in BEACON-IPF, a pivotal adaptive Phase 2b/3 trial of bexotegrast in patients with idiopathic pulmonary fibrosis (IPF). The BEACON-IPF Phase 2b trial is a 52-week, multinational, randomized, dose-ranging, double-blind, placebo-controlled trial evaluating bexotegrast at once-daily doses of 160 mg or 320 mg in 360 patients with IPF. Enrollment is expected to be complete in the first quarter of 2025 with data anticipated in mid-2026.
  • INTEGRIS-IPF Phase 2a trial results published in the American Journal of Respiratory and Critical Care Medicine (AJRCCM). Also known as the “Blue Journal”, AJRCCM is a leading peer-reviewed journal published by the American Thoracic Society. The publication Bexotegrast in Patients with Idiopathic Pulmonary Fibrosis: The INTEGRIS-IPF Study reviews the previously reported positive results from the multinational, randomized, double-blind, placebo-controlled INTEGRIS-IPF Phase 2a trial that enrolled 119 patients with IPF.
  • Positive long-term data from the INTEGRIS-PSC 320 mg cohort showed bexotegrast was well tolerated up to 40 weeks of treatment and demonstrated continued improvements across multiple fibrotic and cholestatic endpoints. The 24-week Phase 2a data readout from the 320 mg dose group showed bexotegrast was well tolerated up to 40 weeks of treatment and showed improvement in liver stiffness, statistically significant reduction in alkaline phosphatase (ALP) and evidence of continued improvement in hepatocyte function and bile flow. Pliant recently met with U.S. Food and Drug Administration (FDA), with the Agency expressing support for a 52-week, dose-ranging Phase 2b trial employing non-invasive endpoints. Pliant continues to evaluate the best path forward for this program.

Pipeline Programs

  • Phase 1 trial of PLN-101095 in solid tumors is progressing with dosing of the third of five cohorts. PLN-101095 is an oral, small molecule, dual selective inhibitor of αvβ8 and αvβ1 integrins designed to block TGF-β activation in the tumor microenvironment. The Company is currently enrolling the third of five cohorts in the Phase 1 open label, dose-escalation trial of PLN-101095 as monotherapy and in combination with pembrolizumab in patients with solid tumors that are resistant to immune checkpoint inhibitors. Preliminary data is expected in late 2024 or early 2025.
  • PLN-101325 applications beyond muscular dystrophies. PLN-101325 is a monoclonal antibody that acts as an allosteric agonist of integrin α7β1, currently in development for treatment of muscular dystrophies. Based on preclinical data, PLN-101325 may have the potential to treat additional indications in organ systems outside of muscle. The Company is currently generating additional evidence in support of potential expansion of the scope of PLN-101325 prior to initiating a Phase 1 trial.

Corporate Highlights

  • Appointment of Steve Krognes to the Company’s Board of Directors. Mr. Krognes brings over 30 years of financial and corporate strategy experience in leading and guiding life science companies across all stages of development. Most recently, Mr. Krognes served as Chief Financial Officer of Denali Therapeutics.

Second Quarter 2024 Financial Results

  • Research and development expenses were $45.6 million, as compared to $33.0 million for the prior-year quarter. The increase was driven by BEACON-IPF, a Phase 2b study of bexotegrast in patients with IPF.
  • General and administrative expenses were $15.0 million, as compared to $14.6 million for the prior-year quarter. The increase was primarily due to professional service expenses.
  • Net loss of $55.9 million as compared to $41.2 million for the prior-year quarter. The increase was primarily due to higher operating expenses driven by BEACON-IPF.
  • As of June 30, 2024, the Company had cash, cash equivalents and short-term investments of $438.1 million.

About Pliant Therapeutics, Inc.

Pliant Therapeutics is a late-stage biopharmaceutical company and leader in the discovery and development of novel therapeutics for the treatment of fibrotic diseases. Pliant's lead product candidate, bexotegrast (PLN-74809), is an oral, small molecule, dual selective inhibitor of αvß6 and αvß1 integrins that is in development in the lead indications for the treatment of idiopathic pulmonary fibrosis, or IPF, and primary sclerosing cholangitis, or PSC. Bexotegrast has received Fast Track Designation and Orphan Drug Designation from the U.S. Food and Drug Administration (FDA) in IPF and PSC and Orphan Drug Designation from the European Medicines Agency in IPF and PSC. Pliant has initiated BEACON-IPF, an adaptive Phase 2b/3 trial of bexotegrast in IPF. Pliant is conducting a Phase 1 study for its third clinical program, PLN-101095, a small molecule, dual-selective inhibitor of αvß8 and αvß1 integrins, that is being developed for the treatment of solid tumors. In addition, Pliant has received regulatory clearance for the conduct of a Phase 1 study of PLN-101325, a monoclonal antibody agonist of integrin α7β1 targeting muscular dystrophies.

For additional information, please visit: www.PliantRx.com. Follow us on social media X, LinkedIn and Facebook.

Forward-Looking Statements

Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as "may," "will," "expect," "anticipate," "estimate," "intend," and similar expressions (as well as other words or expressions referencing future events, conditions, or circumstances) are intended to identify forward-looking statements. These statements include those regarding the safety, tolerability, pharmacodynamics and therapeutic potential of bexotegrast; our ability to complete enrollment in BEACON-IPF in the first quarter of 2025; our ability to pursue a 52-week, dose-ranging Phase 2b trial of bexotegrast employing non-invasive endpoints; our plans for the future development of bexotegrast, PLN-101325 and PLN-101095, including the potential expansion of PLN-101325 into additional indications in organ systems outside of muscle; bexotegrast’s potential to become a treatment for IPF or PSC; the anticipated timing of data and progress from our clinical studies and public announcements related thereto; and discussions with regulatory authorities. Because such statements deal with future events and are based on our current expectations, they are subject to various risks and uncertainties and actual results, performance or achievements of Pliant Therapeutics could differ materially from those described in or implied by the statements in this press release. These forward-looking statements are subject to risks and uncertainties, including those related to the development and commercialization of our product candidates, including any delays in our ongoing or planned preclinical or clinical trials, the impact of current macroeconomic and marketplace conditions, including the effects of COVID-19, on our business, operations, clinical supply and plans, our reliance on third parties for critical aspects of our development operations, the risks inherent in the drug development process, the risks regarding the accuracy of our estimates of expenses and timing of development, our capital requirements and the need for additional financing, including the availability of additional term loans under our loan facility, and our ability to obtain and maintain intellectual property protection for our product candidates. These and additional risks are discussed in the sections titled "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Quarterly Report on Form 10-Q for the period ended June 30, 2024 which we are filing with the SEC today, available on the SEC's website at www.sec.gov. Unless otherwise noted, Pliant is providing this information as of the date of this news release and does not undertake any obligation to update any forward-looking statements contained in this document as a result of new information, future events or otherwise.

Investor and Media Contact:

Christopher Keenan

Vice President, Investor Relations and Corporate Communications

Pliant Therapeutics, Inc.

ir@pliantrx.com


Pliant Therapeutics, Inc.
Condensed Statements of Operations
(Unaudited)
(In thousands, except number of shares and per share amounts)
 
 Three Months Ended June 30,
  2024   2023 
Revenue$  $248 
Operating expenses:   
Research and development (45,617)  (33,002)
General and administrative (15,022)  (14,574)
Total operating expenses (60,639)  (47,576)
Loss from operations (60,639)  (47,328)
Interest and other income (expense), net 5,653   6,455 
Interest expense (868)  (319)
Net loss$(55,854) $(41,192)
Net loss per share - basic and diluted$(0.92) $(0.70)
Shares used in computing net loss per share - basic and diluted 60,382,796   59,172,869 
 


Pliant Therapeutics, Inc.
Condensed Balance Sheets
(Unaudited)
(In thousands)
 
 June 30,
2024
 December 31,
2023
Assets   
Current assets   
Cash and cash equivalents$80,386  $63,234 
Short-term investments 356,221   431,011 
Prepaid expenses and other current assets 10,946   11,257 
Total current assets 447,553   505,502 
Property and equipment, net 5,395   3,567 
Operating lease right-of-use assets 28,863   1,211 
Restricted cash 1,482   1,482 
Other non-current assets 437   392 
Total assets$483,730  $512,154 
Liabilities and stockholders’ equity   
Current liabilities   
Accounts payable$3,247  $4,531 
Accrued research and development 19,383   12,456 
Accrued liabilities 8,196   10,219 
Operating lease liabilities, current 98   1,318 
Total current liabilities 30,924   28,524 
Operating lease liabilities, non-current 30,058    
Long-term debt 30,070   10,054 
Total liabilities 91,052   38,578 
Stockholders’ equity   
Preferred stock     
Common stock 6   6 
Additional paid-in capital 995,846   972,973 
Accumulated deficit (602,557)  (499,748)
Accumulated other comprehensive (loss) gain (617)  345 
Total stockholders’ equity 392,678   473,576 
Total liabilities and stockholders’ equity$483,730  $512,154 
 

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