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Rein Therapeutics Reports First Quarter 2025 Financial Results and Provides Business Update

Key Takeaway: Rein Therapeutics has reported its first quarter 2025 financial results and announced the initiation of the Phase 2 RENEW trial for LTI-03, targeting idiopathic pulmonary fibrosis (IPF). The company has extended its cash runway through recent financial transactions and is collaborating with Qureight to enhance its clinical trial processes. Topline interim data from the trial is expected in the first half of 2026.
Price reaction · baseline $2.36 (2025-05-15 close) · hit after-hours · 1 other RNTX headline(s) in the window, move may be shared
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Market Sentiment Analysis

POSITIVE FACTORS

  • Initiation of the Phase 2 RENEW trial for LTI-03 in IPF.
  • Collaboration with Qureight to enhance imaging and data analysis.
  • Cash runway extended through warrant transactions and private placement.

CONCERNS & RISKS

  • Risks associated with funding the RENEW Phase 2 trial.
  • Potential challenges in patient enrollment for clinical trials.
  • Uncertainties regarding the replication of early trial results in later stages.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Cash runway
~14 mo
Low dilution risk
Lead asset
Nivolumab
Phase 3 · Metastatic Kidney Cancer

Full Press Release Details

RENEW Phase 2 trial evaluating thesafety, tolerability, and efficacy of LTI-03 in idiopathic pulmonary fibrosis (IPF) initiated with topline interim data expected in the first half of 2026
Two abstracts accepted to theAmerican Thoracic Society (ATS) 2025 International Conference
Cash runway extended following previously announced warrant transactions and private placement
AUSTIN, Texas,May 15, 2025/PRNewswire/ -- Rein Therapeutics ("Rein") (NASDAQ:RNTX), a biopharmaceutical company advancing a novel pipeline of first-in-class medicines to address significant unmet medical needs in orphan pulmonary and fibrosis indications, today reported financial results for the first quarter endedMarch 31, 2025and provided a business update.
"Rein has completed a multitude of key accomplishments since the beginning of the year, and we are particularly excited to have initiated the Phase 2 RENEW trial of LTI-03 in patients with IPF," said Brian Windsor, Ph.D., President and Chief Executive Officer of Rein Therapeutics. "We have taken several strategic steps to prepare for this trial. Our LTI-03 program continues to evolve as we entered into a collaboration with Qureight to bring cutting-edge technology to our imaging and data analysis and obtained patents covering our novel formulation and administration methods. We are committed to continuing this momentum of execution and we look forward to advancing the RENEW trial and sharing topline interim data, which is expected in the first half of next year."

Recent Clinical and Corporate Highlights and Upcoming Milestones

Clinical Updates
Corporate Updates

First Quarter 2025 Financial Results

About Rein Therapeutics

Rein Therapeutics is a clinical-stage biopharmaceutical company advancing a novel pipeline of first-in-class therapies to address significant unmet medical needs in orphan pulmonary and fibrosis indications. Rein's lead product candidate, LTI-03, is a novel, synthetic peptide with a dual mechanism targeting alveolar epithelial cell survival as well as inhibition of profibrotic signaling. LTI-03 has received Orphan Drug Designation in the U.S. A Phase 2 clinical trial of LTI-03 for the treatment of idiopathic pulmonary fibrosis was initiated inMay 2025. Rein's second product candidate, LTI-01, is a proenzyme that has completed Phase1band Phase 2a clinical trials for the treatment of loculated pleural effusions. LTI-01 has received Orphan Drug Designation in the U.S. and E.U. and Fast Track Designation in the U.S. For more information, please visit the company's website atreintx.com, or follow them onLinkedInandX.

Forward-Looking Statements

This press release may contain forward-looking statements of Rein Therapeutics, Inc. ("Rein", the "Company", "we", "our" or "us") within the meaning of the Private Securities Litigation Reform Act of 1995, including statements with respect to: the RENEW Phase 2 clinical trial of LTI-03, including with respect to the timing of the trial and the assumption that the Company will raise the funds necessary to conduct the trial; the sufficiency of the Company's cash resources for the period anticipated; and future expectations, plans and prospects for the Company. We use words such as "anticipate," "believe," "estimate," "expect," "hope," "intend," "may," "plan," "predict," "project," "target," "potential," "would," "can," "could," "should," "continue," and other words and terms of similar meaning to help identify forward-looking statements, although not all forward-looking statements contain these identifying words. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including risks and uncertainties related to: the ability of the Company to obtain the cash resources to fund the RENEW Phase 2 trial through its completion and the Company's operations for the anticipated periods and the Company's ability to manage unplanned cash requirements; changes in applicable laws or regulations; the possibility that the Company may be adversely affected by other economic, business, and/or competitive factors, including risks inherent in pharmaceutical research and development, such as adverse results in the Company's drug discovery, preclinical and clinical development activities; the risk that the results of preclinical studies and early clinical trials may not be replicated in later clinical trials, including in the RENEW Phase 2 trial, or that partial results of a trial will be indicative of the full results of the trial; the Company's ability to enroll patients in its clinical trials; and the risk that any of its clinical trials may not commence, continue or be completed on time, or at all; the Company's ability to successfully integrate Qureight's deep-learning platform into the RENEW Phase 2 trial; decisions made by the U.S. Food and Drug Administration and other regulatory authorities, investigational review boards at clinical trial sites and publication review bodies with respect to our development candidates; as well as the risks and uncertainties discussed in the "Risk Factors" section of the Company's Annual Report on Form 10-K for the year ended December 31, 2024, which is on file with the United States Securities and Exchange Commission (the "SEC") and in subsequent filings that the Company files with the SEC. These forward-looking statements should not be relied upon as representing the Company's view as of any date after the date of this press release, and we expressly disclaim any obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

Rein Investor Relations & Media Contact:

Argot Partners[email protected]212-600-1902
REIN THERAPEUTICS, INC.CONDENSED CONSOLIDATED BALANCE SHEETS(In thousands, except share and per share data)
March 31,2025 December 31,2024
Assets
Current assets:
Cash and cash equivalents $                 7,428 $               12,865
Prepaid expenses and other current assets 903 792
Total current assets 8,331 13,657
Property and equipment, net 1 1
Goodwill 6,330 6,330
Intangible assets 42,200 42,200
Other non-current assets 766 2
Total assets $               57,628 $               62,190
Liabilities, Convertible Preferred Stock and Stockholders' Equity
Current liabilities:
Accounts payable $                 1,149 $                    911
Accrued expenses and other current liabilities 4,828 4,838
Total current liabilities 5,977 5,749
Deferred tax liability 1,772 1,772
Other long-term liability 277
Total liabilities 7,749 7,798
Commitments and contingencies (Note 13)
Convertible preferred stock, $0.001 par value, 5,000,000 shares authorizedat March 31, 2025 and at December 31, 2024; 24,610 shares issued and12,232 shares outstanding at March 31, 2025 and at December 31, 2024 45,005 45,005
Stockholders' equity:
Common stock, $0.001 par value; 100,000,000 shares authorized atMarch 31, 2025 and at December 31, 2024; 22,005,317 shares and21,666,012 shares issued and outstanding at March 31, 2025 andDecember 31, 2024, respectively 108 108
Additional paid-in capital 361,699 360,697
Accumulated other comprehensive loss (32) (18)
Accumulated deficit (356,901) (351,400)
Total liabilities, convertible preferred stock and stockholders' equity $               57,628 $               62,190
REIN THERAPEUTICS, INC.CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS(In thousands, except share and per share data)
Three Months Ended March 31,
2025 2024
Revenue $                      — $                      —
Operating expenses:
Research and development 3,054 3,463
General and administrative 2,555 3,742
Total operating expenses 5,609 7,205
Loss from operations (5,609) (7,205)
Other income, net 108 92
Net loss $               (5,501) $               (7,113)
Net loss per share—basic and diluted $                 (0.25) $                 (0.86)
Weighted average common shares outstanding—basic and diluted 21,915,891 8,301,798
Comprehensive loss:
Net loss $               (5,501) $               (7,113)
Other comprehensive gain:
Unrealized gain on investments, net of tax of $0 (45)
Foreign currency translation adjustments 31
Total other comprehensive gain (14)
Total comprehensive loss $               (5,515) $               (7,113)
REIN THERAPEUTICS, INC.CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS(In thousands)
Three Months Ended March 31,
2025 2024
Cash flows from operating activities:
Net loss $                       (5,501) $                       (7,113)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense 59
Stock-based compensation expense 264 150
Changes in operating assets and liabilities:
Prepaid expenses and other current assets (125) 185
Other assets (764) 1,301
Accounts payable 238 966
Operating lease liabilities (48)
Accrued expenses and other current liabilities (10) (771)
Other long-term liabilities (277)
Net cash used in operating activities (6,175) (5,271)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of offering costs 737
Proceeds from issuance of common stock in connection with stock option exercises 1
Net cash provided by financing activities 738
Net decrease in cash, cash equivalents and restricted cash (5,437) (5,271)
Cash, cash equivalents and restricted cash at beginning of period 12,865 17,338
Cash, cash equivalents and restricted cash at end of period $                         7,428 $                       12,067
Cash and cash equivalents at end of period $                         7,428 $                       12,042
Restricted cash at end of period 25
Cash, cash equivalents and restricted cash at end of period $                         7,428 $                       12,067
Supplemental disclosure of non-cash investing and financing activities:
Conversion of Series X non-voting convertible preferred stock into common stock shares $                              — $                       44,826

Frequently Asked Questions

What is the RENEW Phase 2 trial about?

The RENEW Phase 2 trial evaluates the safety, tolerability, and efficacy of LTI-03 in patients with idiopathic pulmonary fibrosis.

When is the topline interim data expected?

Topline interim data from the RENEW trial is expected in the first half of 2026.

What financial updates did Rein Therapeutics provide?

Rein Therapeutics extended its cash runway through warrant transactions and a private placement.

What collaboration has Rein Therapeutics entered?

Rein has collaborated with Qureight to enhance imaging and data analysis for its clinical trials.

What is LTI-03's mechanism of action?

LTI-03 targets alveolar epithelial cell survival and inhibits profibrotic signaling.

Last updated: May 15, 2025