Protagonist Therapeutics Reports Second Quarter Financial Results and Provides Corporate Update

NEWARK, Calif., Aug. 6, 2020 /PRNewswire/ -- Protagonist Therapeutics, Inc. (Nasdaq: PTGX) today reported financial results for the second quarter ended June 30, 2020, and provided an update on clinical development programs.

"We have succeeded in bringing three differentiated candidates from de novo discovery into Phase 2 development," commented Dinesh V. Patel, Ph.D., Protagonist President and Chief Executive Officer. "Each of these candidates has unique attributes that address specific unmet needs in diverse diseases, such as blood disorders with PTG-300 and inflammatory bowel disease with PTG-200 and PN-943. The hepcidin mimetic PTG-300 makes use of the iron homeostasis mechanism of a natural hormone and has demonstrated potential in the treatment of polycythemia vera. We expect to initiate a pivotal study for PTG-300 in 2021 after discussions with the regulatory agencies. PN-943 and PTG-200 are both oral, gut-restricted candidates for the potential treatment of inflammatory bowel disease. PTG-200 is an IL-23 receptor antagonist partnered with Janssen and is currently in a Phase 2 Crohn's study. We recently initiated screening of patients for our Phase 2 study of PN-943 in ulcerative colitis. Finally, we are well financed and recently raised $122 million through a successful secondary offering and use of our ATM program, which enables us to support planned operations through mid-2023."

Product Development and Corporate Update

PTG-300: Injectable Hepcidin Mimetic for Polycythemia Vera and Other Blood Disorders

    --  Initial Phase 2 results reported in May 2020 in patients with
        polycythemia vera demonstrated clinically meaningful dose related
        control of hematocrit levels on individual patient basis.
    --  In June 2020, PTG-300 received U.S. Food and Drug Administration (FDA)
        Orphan Drug Designation for the treatment of polycythemia vera.
    --  Protagonist plans to host a webinar featuring presentations on clinical
        needs and market research on the potential opportunity for PTG-300 in
        polycythemia vera. The "PTG-300 Opportunity Update" webinar will be
        conducted Sept. 11, 2020. Details for participation will be publicly
        announced prior to the event.

PN-943: Oral Alpha-4-Beta-7 Integrin Antagonist for Inflammatory Bowel Disease

    --  Protagonist has initiated screening of prospective subjects in a global,
        randomized, double-blind, placebo-controlled Phase 2 study (the "IDEAL
        Study") evaluating safety, tolerability and efficacy of PN-943 in
        approximately 150 patients with moderate to severe active ulcerative
        colitis. Patients will be randomized in one of three arms (150 mg twice
        daily, 450 mg twice daily, or placebo) for 12 weeks of oral dosing
        followed by an extended treatment period of 40 weeks. During the
        extended treatment period all subjects will receive PN-943. The primary
        endpoint of the study is proportion of subjects achieving clinical
        remission at week 12 (as defined by rectal bleeding, stool frequency and
        endoscopic subscores of the Adapted Mayo Score) in the 450 mg twice
        daily treatment arm as compared to placebo. Secondary endpoints include
        additional clinical and safety assessments, as well as pharmacokinetic
        and pharmacodynamic measurements, and biomarker measurements related to
        disease activity.

Oral IL-23 Receptor Antagonists (Janssen Biotech and Protagonist Collaboration)

    --  Janssen Biotech is conducting a global Phase 2 study of PTG-200 (or
        JNJ-67864238) in moderate-to-severe Crohn's disease.
    --  Joint research efforts are underway to identify second-generation oral
        IL-23 receptor antagonists for multiple indications.

Financial Update

    --  During May 2020, the Company successfully raised $105.7 million net of
        underwriting and offering expenses in an oversubscribed secondary
        offering issuing 8,050,000 shares at $14.00 per share.
    --  During the second quarter of 2020, the Company issued 1.2 million shares
        through its at-the-market (ATM) program and raised $16.8 million, at an
        average price of $14.02 per share.

Financial Results

    --  Cash, cash equivalents and marketable securities as of June 30, 2020,
        were $208.7 million. Protagonist estimates sufficient financial
        resources from its cash, cash equivalents, marketable securities and
        access to its debt facility to fund its currently planned operating and
        capital expenditures through mid-2023.
    --  License and collaboration revenues were $6.2 million and $9.9 million
        for the second quarter and six months ended 2020, respectively, in
        comparison to $(8.2) million and $(6.6) million reported for the same
        periods of 2019. The increase in revenue was due mainly to the
        previously reported 2019 one-time cumulative adjustment related to the
        application of revenue recognition principles following the May 2019
        amendment of the Janssen Biotech collaboration agreement that had
        reduced revenue by $9.4 million for the three and six months ended June
        30, 2019.
    --  Research and Development ("R&D") expenses for the three and six months
        ended June 30, 2020, were $20.3 million and $39.0 million, respectively,
        as compared to $19.4 million and $31.8 million for the same periods of
        2019. These variances were primarily due to increased activities in
        advancing our ongoing clinical trial for polycythemia vera with PTG-300,
        preparedness for PN-943 Phase 2 study in ulcerative colitis, and our
        IL-23 receptor antagonist research collaboration activities with Janssen
        Biotech.
    --  General and Administrative ("G&A") expenses for the three and six months
        ended June 30, 2020, were $4.2 million and $8.8 million, respectively,
        as compared to $3.9 million and $7.6 million for the same periods of
        2019. The increases were primarily due to increases in salaries,
        insurance expense and professional services to support the growth in our
        operations.
    --  Net loss for the three and six months ended June 30, 2020, was $19.4
        million and $39.5 million or a net loss of $0.59 per share and $1.31 per
        share, respectively, as compared to a net loss of $29.2 million and
        $43.3 million, or a net loss of $1.18 per share and $1.77 per share, for
        the same periods of 2019.

About Protagonist Therapeutics, Inc.

Protagonist Therapeutics is a clinical stage biopharmaceutical company that utilizes a proprietary technology platform to discover and develop novel peptide-based therapeutics to address significant unmet medical needs and transform existing treatment paradigms for patients. The Company currently has three clinical-stage assets. PTG-300 is an injectable hepcidin mimetic in development for the treatment of polycythemia vera and other blood disorders. PTG-200 is an orally delivered, gut-restricted, interleukin-23 receptor specific antagonist peptide in development for the treatment of inflammatory bowel disease, with Crohn's disease as the initial indication. The Company has a worldwide license and collaboration agreement with Janssen Biotech, Inc., for the development of PTG-200. PN-943 is an orally delivered, gut-restricted alpha-4-beta-7 integrin specific antagonist peptide in development for the treatment of inflammatory bowel disease, with ulcerative colitis as the initial targeted indication.

Protagonist is headquartered in Newark, California. For further information, please visit www.protagonist-inc.com.

Cautionary Note on Forward-Looking Statements

This press release contains forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements regarding our intentions or current expectations concerning, among other things, the potential for our ongoing clinical programs, our plans for future clinical trials, the potential of PTG-300 as a possible treatment for polycythemia vera and other blood disorders, the potential of PTG-200 and PN-943 as possible treatments for inflammatory bowel disease, the potential of a pivotal study for PTG-300 in 2021, the potential of our Phase 2 study of PN-943 in ulcerative colitis, the initiation and availability of results of our clinical trials, the sufficiency of our financial resources, our ability to fund our clinical trials, the initiation of and enrollment of patients in our clinical trials, the results of clinical trials and the outlook for our other programs. In some cases, you can identify these statements by forward-looking words such as "potential," "expect," "plan," "estimate," "will," or the negative or plural of these words or similar expressions. Forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties that could cause actual results and events to differ materially from those anticipated, including, but not limited to, our ability to develop and commercialize our product candidates, our ability to earn milestone payments under our collaboration agreement with Janssen Biotech, our ability to use and expand our programs to build a pipeline of product candidates, our ability to obtain and maintain regulatory approval of our product candidates and risks related to the global COVID-19 pandemic and actions taken to slow its spread. Additional information concerning these and other risk factors affecting our business can be found in our periodic filings with the Securities and Exchange Commission, including under the heading "Risk Factors" contained in our Quarterly Report on Form 10-Q for the period ended June 30, 2020, filed with the Securities and Exchange Commission. Forward-looking statements are not guarantees of future performance, and our actual results of operations, financial condition and liquidity, and the development of the industry in which we operate may differ materially from the forward-looking statements contained in this press release. Any forward-looking statements that we make in this press release speak only as of the date of this press release. We assume no obligation to update our forward-looking statements, whether as a result of new information, future events or otherwise, after the date of this press release.


                                                         
        
          PROTAGONIST THERAPEUTICS, INC.


                                                       
       
        Selected Consolidated Balance Sheet Data


                                                             
        
              (In thousands)


                                                              
        
              (Unaudited)




                                                                                                    June 30, 2020                    December 31, 2019

                                                                                                                                 ---


     Cash, cash equivalents and marketable securities                                                            $
     208,665                           $
     133,017



     Working capital                                                                                     182,106               109,905



     Total assets                                                                                        224,980               154,917



     Long-term debt, net                                                                                      --                9,794



     Deferred revenue - related party                                                                     34,014                41,530



     Accumulated deficit                                                                               (257,162)            (217,661)



     Total stockholders' equity                                                                          167,485                79,964


                                                                                      
             
                PROTAGONIST THERAPEUTICS, INC.


                                                                                   
        
                Condensed Consolidated Statements of Operations


                                                                                 
       
               (Amounts in thousands except share and per share data)


                                                                                               
              
                (unaudited)




                                                                                                               Three Months Ended June 30,                                Six Months Ended June 30,


                                                                                             2020                                          2019                         2020                     2019

                                                                                                                                                                                               ---


              Revenue:



              License and collaboration revenue - related party                                       $
              6,217                                  $
              (8,189)                                        $
          9,864                 $
           (6,629)



              Operating expenses:



              Research and development (1)                                                20,257                                          19,355                                   39,025                                    31,799



              General and administrative (1)                                               4,177                                           3,863                                    8,753                                     7,627




              Total operating expenses                                                    24,434                                          23,218                                   47,778                                    39,426




              Loss from operations                                                      (18,217)                                       (31,407)                                (37,914)                                 (46,055)



              Interest income                                                                207                                             641                                      733                                     1,372



              Interest expense                                                             (209)                                                                                  (452)



              Loss on early repayment of debt                                              (585)                                                                                  (585)



              Other income (expense), net                                                    512                                            (37)                                      22                                      (39)




              Loss before income taxes                                                  (18,292)                                       (30,803)                                (38,196)                                 (44,722)



              Income tax (expense) benefit                                               (1,129)                                          1,629                                  (1,305)                                    1,445




              Net loss                                                                             $
              (19,421)                                $
              (29,174)                                     $
          (39,501)               $
           (43,277)




              Net loss per common share, basic and diluted                                           $
              (0.59)                                  $
              (1.18)                                       $
          (1.31)                 $
           (1.77)




              Weighted-average shares used to compute net loss per share,                                  32,799,691                                           24,662,779                           30,251,805                     24,481,186
    basic and diluted






              
                (1)Amounts include non-cash stock-based compensation
    expense as follows (in thousands):







              
                
                  Stock-based compensation                                            Three Months Ended June 30,                                Six Months Ended June 30,

    ---

                                                                                             2020                                          2019                         2020                     2019

                                                                                                                                                                                               ---


              Research and development                                                                $
              1,026                                      $
              977                                         $
          2,092                   $
           2,100



              General and administrative                                                     970                                           1,036                                    1,952                                     1,892




              Total stock-based compensation expense                                                  $
              1,996                                    $
              2,013                                         $
          4,044                   $
           3,992

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SOURCE Protagonist Therapeutics, Inc.