APRE Aprea Therapeutics Inc.

4.23
-0.11  -3%
Previous Close 4.34
Open 4.28
52 Week Low 3.88
52 Week High 31.45
Market Cap $89,620,278
Shares 21,186,827
Float 18,537,762
Enterprise Value $14,594,055
Volume 429,619
Av. Daily Volume 4,276,435
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Drug Pipeline

Drug Stage Notes
Eprenetapopt (APR-246) and Vidaza (azacitidine)
TP53 mutated myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) - post transplant
Phase 2
Phase 2
Phase 2 data released July 21, 2021. 58% relapse free survival at 1 year post-transplant; 79% overall survival at 1 year post-transplant.
Eprenetapopt (APR-246) / VENCLEXTA (venetoclax) and VIDAZA (azacitidine)
TP53 mutant AML
Phase 1
Phase 1
Phase 1 initial data released June 16, 2021. Primary endpoint met. 37% complete remission (CR) rate in 30 efficacy-evaluable patients.
Eprenetapop (APR-246)
Solid tumors
Phase 1/2
Phase 1/2
Phase 1/2 enrollment commenced August 2020.
Eprenetapopt (APR-246) and VENCLEXTA (venetoclax) and RITUXAN (rituximab)
Chronic lymphoid leukemia (CLL) and Mantle cell lymphoma (MCL)
Phase 1
Phase 1
Phase 1 trial enrollment commenced 1Q 2021.
Eprenetapopt (APR-246) and VIDAZA (azacitidine)
TP53 mutant Myelodysplastic syndromes (MDS)
Phase 3
Phase 3
Phase 3 top-line data did not meet primary endpoint - December 28, 2020.
APR-548
TP53 mutant myelodysplastic syndromes (MDS)
Phase 1
Phase 1
Phase 1 enrollment to commence 2Q 2021.

Latest News

    • 58% relapse free survival at 1 year post-transplant
    • 79% overall survival at 1 year post-transplant

    BOSTON, July 21, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced positive results from its Phase 2 trial evaluating eprenetapopt with azacitidine for post-transplant maintenance therapy in patients with TP53 mutant MDS and AML.

    In 33 patients enrolled in the trial, the relapse free survival (RFS) at 1 year post-transplant was 58% and the median RFS was 12.1 months. The overall survival (OS) at 1 year post-transplant was 79%, with a median OS of 19.3 months. Prior…

    • 58% relapse free survival at 1 year post-transplant
    • 79% overall survival at 1 year post-transplant

    BOSTON, July 21, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced positive results from its Phase 2 trial evaluating eprenetapopt with azacitidine for post-transplant maintenance therapy in patients with TP53 mutant MDS and AML.

    In 33 patients enrolled in the trial, the relapse free survival (RFS) at 1 year post-transplant was 58% and the median RFS was 12.1 months. The overall survival (OS) at 1 year post-transplant was 79%, with a median OS of 19.3 months. Prior clinical trials evaluating post-transplant outcomes in TP53 mutant MDS and AML patients have reported a 1-year post-transplant RFS of ~30% and a median OS of ~5-8 months. In addition, the post- transplant regimen of eprenetapopt and azacitidine was well tolerated among patients in the clinical trial. The Company plans to discuss the data from this Phase 2 clinical trial with the U.S. Food and Drug Agency (FDA) in the second half of 2021 and expects to present data at a future scientific or medical conference.

    "The post-transplant RFS and OS data with eprenetapopt and azacitidine maintenance therapy in these very difficult-to-treat TP53 mutant MDS and AML patients are incredibly exciting," said trial principal investigator Asmita Mishra, M.D., of the H. Lee Moffitt Cancer Center and Research Institute. "Although transplant is currently the only potentially curative treatment for patients with TP53 mutant MDS and AML, the risk of relapse with current standard of care remains unacceptably high and the median OS post-transplant is very limited at 8 months or less. Post-transplant maintenance therapy with eprenetapopt and azacitidine could, if approved, represent a new treatment paradigm that meaningfully improves outcomes for these patients with limited treatment options."

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden, focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53. The Company's lead product candidate is eprenetapopt (APR-246), a small molecule in clinical development for hematologic malignancies and solid tumors. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for myelodysplastic syndromes (MDS), Orphan Drug and Fast Track designations from the FDA for acute myeloid leukemia (AML), and Orphan Drug designation from the European Commission for MDS and AML. APR-548, a next generation small molecule reactivator of mutant p53, is being developed for oral administration. For more information, please visit the company website at www.aprea.com.

    The Company may use, and intends to use, its investor relations website at https://ir.aprea.com/ as a means of disclosing material nonpublic information and for complying with its disclosure obligations under Regulation FD.

    About p53, eprenetapopt and APR-548

    The p53 tumor suppressor gene is the most frequently mutated gene in human cancer, occurring in approximately 50% of all human tumors. These mutations are often associated with resistance to anti-cancer drugs and poor overall survival, representing a major unmet medical need in the treatment of cancer.

    Eprenetapopt (APR-246) is a small molecule that has demonstrated reactivation of mutant and inactivated p53 protein – by restoring wild-type p53 conformation and function – thereby inducing programmed cell death in human cancer cells. Pre-clinical anti-tumor activity has been observed with eprenetapopt in a wide variety of solid and hematological cancers, including MDS, AML, and ovarian cancer, among others. Additionally, strong synergy has been seen with both traditional anti-cancer agents, such as chemotherapy, as well as newer mechanism-based anti-cancer drugs and immuno-oncology checkpoint inhibitors. In addition to pre-clinical testing, a Phase 1/2 clinical program with eprenetapopt has been completed, demonstrating a favorable safety profile and both biological and confirmed clinical responses in hematological malignancies and solid tumors with mutations in the TP53 gene.

    A pivotal Phase 3 clinical trial of eprenetapopt and azacitidine for frontline treatment of TP53 mutant MDS has been completed and failed to meet the primary statistical endpoint of complete remission. A Phase 1/2 clinical trial of eprenetapopt with venetoclax and azacitidine for the frontline treatment of TP53 mutant AML met the primary efficacy endpoint of complete remission. Additional clinical trials in hematologic malignancies and solid tumors are ongoing. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for MDS, Orphan Drug and Fast Track designations from the FDA for AML, and Orphan Drug designation from the European Medicines Agency for MDS and AML.

    APR-548 is a next-generation small molecule p53 reactivator. APR-548 has demonstrated high oral bioavailability, enhanced potency relative to eprenetapopt in TP53 mutant cancer cell lines and has demonstrated in vivo tumor growth inhibition following oral dosing of tumor-bearing mice.

    About MDS

    Myelodysplastic syndromes (MDS) represent a spectrum of hematopoietic stem cell malignancies in which bone marrow fails to produce sufficient numbers of healthy blood cells. Approximately 30-40% of MDS patients progress to acute myeloid leukemia (AML) and mutation of the p53 tumor suppressor protein is thought to contribute to disease progression. Mutations in p53 are found in up to 20% of MDS and AML patients and are associated with poor overall prognosis. There are no currently approved therapies specifically for TP53 mutant MDS or AML patients.

    About AML

    AML is the most common form of adult leukemia, with the highest incidence in patients aged 60 years and older. AML is characterized by proliferation of abnormal immature white blood cells that impairs production of normal blood cells. AML can develop de novo or may arise secondary to progression of other hematologic disorders or from chemotherapy or radiation treatment for a different, prior malignancy; secondary AML carries a worse prognosis than de novo AML. Mutations in TP53, which are associated with poor overall prognosis, occur in approximately 20% of patients with newly diagnosed AML, more than 30% of patients with therapy-related AML and approximately 70-80% of patients with complex karyotype.

    Forward-Looking Statement

    Certain information contained in this press release includes "forward-looking statements", within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, related to our study analyses, clinical trials, regulatory submissions, and projected cash position. We may, in some cases use terms such as "future," "predicts," "believes," "potential," "continue," "anticipates," "estimates," "expects," "plans," "intends," "targeting," "confidence," "may," "could," "might," "likely," "will," "should" or other words that convey uncertainty of the future events or outcomes to identify these forward-looking statements. Our forward-looking statements are based on current beliefs and expectations of our management team that involve risks, potential changes in circumstances, assumptions, and uncertainties. Any or all of the forward-looking statements may turn out to be wrong or be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. These forward-looking statements are subject to risks and uncertainties including risks related to the success and timing of our clinical trials or other studies, risks associated with the coronavirus pandemic and the other risks set forth in our filings with the U.S. Securities and Exchange Commission. For all these reasons, actual results and developments could be materially different from those expressed in or implied by our forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which are made only as of the date of this press release. We undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

    Source: Aprea Therapeutics, Inc.

    Corporate Contacts:

    Scott M. Coiante

    Sr. Vice President and Chief Financial Officer

    617-463-9385

    Gregory A. Korbel

    Sr. Vice President and Chief Business Officer

    617-463-9385



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    • 37% CR rate in 30 efficacy-evaluable patients

    BOSTON, June 16, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that the Phase 1/2 trial evaluating the frontline treatment of eprenetapopt with venetoclax and azacitidine in patients with TP53 mutant AML has met the pre-specified primary efficacy endpoint of complete remission (CR) rate.

    In 30 patients who were evaluable for efficacy at the time of the analysis, the CR rate was 37% and the composite response rate of CR plus CR with incomplete hematologic recovery (CRi), CR/CRi, was 53%. The trial met the primary…

    • 37% CR rate in 30 efficacy-evaluable patients

    BOSTON, June 16, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that the Phase 1/2 trial evaluating the frontline treatment of eprenetapopt with venetoclax and azacitidine in patients with TP53 mutant AML has met the pre-specified primary efficacy endpoint of complete remission (CR) rate.

    In 30 patients who were evaluable for efficacy at the time of the analysis, the CR rate was 37% and the composite response rate of CR plus CR with incomplete hematologic recovery (CRi), CR/CRi, was 53%. The trial met the primary efficacy endpoint of CR, which is based on a Simon 2-stage design. As of the data cut, 11 patients remain on study treatment and continue to be followed for safety and efficacy. The Company plans to discuss the dataset with the U.S. Food and Drug Agency (FDA) in the second half of 2021 and expects to present data from the trial at a future scientific or medical conference.

    "We are pleased with these results from the combination of eprenetapopt with venetoclax and azacitidine in this very difficult-to-treat TP53 mutant AML population, a patient group with significant unmet medical need," said Eyal Attar, M.D., Chief Medical Officer of Aprea Therapeutics. "These data, which follow the recent granting of Fast Track and Orphan Drug designations by FDA, provide further demonstration of the potential for eprenetapopt in the treatment of myeloid malignancies. We continue to make excellent progress across our myeloid malignancies program and look forward to providing an update in July 2021 on our Phase 2 trial evaluating eprenetapopt with azacitidine as maintenance therapy in TP53 mutant MDS and AML patients who have received allogeneic stem cell transplant."

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden, focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53. The Company's lead product candidate is eprenetapopt (APR-246), a small molecule in clinical development for hematologic malignancies and solid tumors. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for myelodysplastic syndromes (MDS), Orphan Drug and Fast Track designations from the FDA for acute myeloid leukemia (AML), and Orphan Drug designation from the European Commission for MDS and AML. APR-548, a next generation small molecule reactivator of mutant p53, is being developed for oral administration. For more information, please visit the company website at www.aprea.com.

    The Company may use, and intends to use, its investor relations website at https://ir.aprea.com/ as a means of disclosing material nonpublic information and for complying with its disclosure obligations under Regulation FD.

    About p53, eprenetapopt and APR-548

    The p53 tumor suppressor gene is the most frequently mutated gene in human cancer, occurring in approximately 50% of all human tumors. These mutations are often associated with resistance to anti-cancer drugs and poor overall survival, representing a major unmet medical need in the treatment of cancer.

    Eprenetapopt (APR-246) is a small molecule that has demonstrated reactivation of mutant and inactivated p53 protein – by restoring wild-type p53 conformation and function – thereby inducing programmed cell death in human cancer cells. Pre-clinical anti-tumor activity has been observed with eprenetapopt in a wide variety of solid and hematological cancers, including MDS, AML, and ovarian cancer, among others. Additionally, strong synergy has been seen with both traditional anti-cancer agents, such as chemotherapy, as well as newer mechanism-based anti-cancer drugs and immuno-oncology checkpoint inhibitors. In addition to pre-clinical testing, a Phase 1/2 clinical program with eprenetapopt has been completed, demonstrating a favorable safety profile and both biological and confirmed clinical responses in hematological malignancies and solid tumors with mutations in the TP53 gene.

    A pivotal Phase 3 clinical trial of eprenetapopt and azacitidine for frontline treatment of TP53 mutant MDS has been completed and failed to meet the primary statistical endpoint of complete remission. Additional clinical trials in hematologic malignancies and solid tumors are ongoing. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for MDS, Orphan Drug and Fast Track designations from the FDA for AML, and Orphan Drug designation from the European Medicines Agency for MDS and AML.

    APR-548 is a next-generation small molecule p53 reactivator. APR-548 has demonstrated high oral bioavailability, enhanced potency relative to eprenetapopt in TP53 mutant cancer cell lines and has demonstrated in vivo tumor growth inhibition following oral dosing of tumor-bearing mice.

    About AML

    AML is the most common form of adult leukemia, with the highest incidence in patients aged 60 years and older. AML is characterized by proliferation of abnormal immature white blood cells that impairs production of normal blood cells. AML can develop de novo or may arise secondary to progression of other hematologic disorders or from chemotherapy or radiation treatment for a different, prior malignancy; secondary AML carries a worse prognosis than de novo AML. Mutations in TP53, which are associated with poor overall prognosis, occur in approximately 20% of patients with newly diagnosed AML, more than 30% of patients with therapy-related AML and approximately 70-80% of patients with complex karyotype.

    Forward-Looking Statement

    Certain information contained in this press release includes "forward-looking statements", within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, related to our study analyses, clinical trials, regulatory submissions, and projected cash position. We may, in some cases use terms such as "future," "predicts," "believes," "potential," "continue," "anticipates," "estimates," "expects," "plans," "intends," "targeting," "confidence," "may," "could," "might," "likely," "will," "should" or other words that convey uncertainty of the future events or outcomes to identify these forward-looking statements. Our forward-looking statements are based on current beliefs and expectations of our management team that involve risks, potential changes in circumstances, assumptions, and uncertainties. Any or all of the forward-looking statements may turn out to be wrong or be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. These forward-looking statements are subject to risks and uncertainties including risks related to the success and timing of our clinical trials or other studies, risks associated with the coronavirus pandemic and the other risks set forth in our filings with the U.S. Securities and Exchange Commission. For all these reasons, actual results and developments could be materially different from those expressed in or implied by our forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which are made only as of the date of this press release. We undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

    Source: Aprea Therapeutics, Inc.

    Corporate Contacts:

    Scott M. Coiante

    Sr. Vice President and Chief Financial Officer

    617-463-9385

    Gregory A. Korbel

    Sr. Vice President and Chief Business Officer

    617-463-9385 



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    View Full Article Hide Full Article
  1. BOSTON, May 21, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that Greg Korbel, Senior Vice President and Chief Business Officer, will present a corporate update at the 2021 Oppenheimer Rare & Orphan Disease Summit on Friday, May 21, 2021 at 3:45 p.m. ET.

    A webcast of the presentation can be accessed from the "Events Calendar" in the News and Events section of the Aprea website at Link.

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden…

    BOSTON, May 21, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that Greg Korbel, Senior Vice President and Chief Business Officer, will present a corporate update at the 2021 Oppenheimer Rare & Orphan Disease Summit on Friday, May 21, 2021 at 3:45 p.m. ET.

    A webcast of the presentation can be accessed from the "Events Calendar" in the News and Events section of the Aprea website at Link.

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden, focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53. The Company's lead product candidate is eprenetapopt (APR-246), a small molecule in clinical development for hematologic malignancies and solid tumors. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for myelodysplastic syndromes (MDS), Orphan Drug and Fast Track designations from the FDA for acute myeloid leukemia (AML), and Orphan Drug designation from the European Commission for MDS, AML and ovarian cancer. APR-548, a next generation small molecule reactivator of mutant p53, is being developed for oral administration. For more information, please visit the company website at www.aprea.com.

    The Company may use, and intends to use, its investor relations website at https://ir.aprea.com/ as a means of disclosing material nonpublic information and for complying with its disclosure obligations under Regulation FD.

    About p53, eprenetapopt and APR-548

    The p53 tumor suppressor gene is the most frequently mutated gene in human cancer, occurring in approximately 50% of all human tumors. These mutations are often associated with resistance to anti-cancer drugs and poor overall survival, representing a major unmet medical need in the treatment of cancer.

    Eprenetapopt (APR-246) is a small molecule that has demonstrated reactivation of mutant and inactivated p53 protein – by restoring wild-type p53 conformation and function – thereby inducing programmed cell death in human cancer cells. Pre-clinical anti-tumor activity has been observed with eprenetapopt in a wide variety of solid and hematological cancers, including MDS, AML, and ovarian cancer, among others. Additionally, strong synergy has been seen with both traditional anti-cancer agents, such as chemotherapy, as well as newer mechanism-based anti-cancer drugs and immuno-oncology checkpoint inhibitors. In addition to pre-clinical testing, a Phase 1/2 clinical program with eprenetapopt has been completed, demonstrating a favorable safety profile and both biological and confirmed clinical responses in hematological malignancies and solid tumors with mutations in the TP53 gene.

    A pivotal Phase 3 clinical trial of eprenetapopt and azacitidine for frontline treatment of TP53 mutant MDS has been completed and failed to meet the primary endpoint of complete remission. Additional clinical trials in hematologic malignancies and solid tumors are ongoing. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for MDS, Orphan Drug and Fast Track designations from the FDA for AML, and Orphan Drug designation from the European Medicines Agency for MDS, AML and ovarian cancer.

    APR-548 is a next-generation small molecule p53 reactivator. APR-548 has demonstrated high oral bioavailability, enhanced potency relative to eprenetapopt in TP53 mutant cancer cell lines and has demonstrated in vivo tumor growth inhibition following oral dosing of tumor-bearing mice. Enrollment in a Phase 1 clinical trial of APR-548 is anticipated to begin early in the second quarter of 2021.

    Forward-Looking Statement

    Certain information contained in this press release includes "forward-looking statements", within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, related to our study analyses, clinical trials, regulatory submissions, and projected cash position. We may, in some cases use terms such as "future," "predicts," "believes," "potential," "continue," "anticipates," "estimates," "expects," "plans," "intends," "targeting," "confidence," "may," "could," "might," "likely," "will," "should" or other words that convey uncertainty of the future events or outcomes to identify these forward-looking statements. Our forward-looking statements are based on current beliefs and expectations of our management team that involve risks, potential changes in circumstances, assumptions, and uncertainties. Any or all of the forward-looking statements may turn out to be wrong or be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. These forward-looking statements are subject to risks and uncertainties including risks related to the success and timing of our clinical trials or other studies, risks associated with the coronavirus pandemic and the other risks set forth in our filings with the U.S. Securities and Exchange Commission. For all these reasons, actual results and developments could be materially different from those expressed in or implied by our forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which are made only as of the date of this press release. We undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

    Source: Aprea Therapeutics, Inc.

    Corporate Contacts:

    Scott M. Coiante

    Sr. Vice President and Chief Financial Officer

    617-463-9385

    Gregory A. Korbel

    Sr. Vice President and Chief Business Officer

    617-463-9385



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    View Full Article Hide Full Article
  2. BOSTON, May 18, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that Christian S. Schade, Chairman and Chief Executive Officer, and Eyal C. Attar, Senior Vice President and Chief Medical Officer, will participate in a fireside discussion at the 2021 RBC Capital Markets Global Healthcare Conference on Tuesday, May 18, 2021 at 2:30 p.m. ET.

    A webcast of the presentation can be accessed from the "Events Calendar" in the News and Events section of the Aprea website at Link.

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered…

    BOSTON, May 18, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53, today announced that Christian S. Schade, Chairman and Chief Executive Officer, and Eyal C. Attar, Senior Vice President and Chief Medical Officer, will participate in a fireside discussion at the 2021 RBC Capital Markets Global Healthcare Conference on Tuesday, May 18, 2021 at 2:30 p.m. ET.

    A webcast of the presentation can be accessed from the "Events Calendar" in the News and Events section of the Aprea website at Link.

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden, focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53. The Company's lead product candidate is eprenetapopt (APR-246), a small molecule in clinical development for hematologic malignancies and solid tumors. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for myelodysplastic syndromes (MDS), Orphan Drug and Fast Track designations from the FDA for acute myeloid leukemia (AML), and Orphan Drug designation from the European Commission for MDS, AML and ovarian cancer. APR-548, a next generation small molecule reactivator of mutant p53, is being developed for oral administration. For more information, please visit the company website at www.aprea.com.

    The Company may use, and intends to use, its investor relations website at https://ir.aprea.com/ as a means of disclosing material nonpublic information and for complying with its disclosure obligations under Regulation FD.

    About p53, eprenetapopt and APR-548

    The p53 tumor suppressor gene is the most frequently mutated gene in human cancer, occurring in approximately 50% of all human tumors. These mutations are often associated with resistance to anti-cancer drugs and poor overall survival, representing a major unmet medical need in the treatment of cancer.

    Eprenetapopt (APR-246) is a small molecule that has demonstrated reactivation of mutant and inactivated p53 protein – by restoring wild-type p53 conformation and function – thereby inducing programmed cell death in human cancer cells. Pre-clinical anti-tumor activity has been observed with eprenetapopt in a wide variety of solid and hematological cancers, including MDS, AML, and ovarian cancer, among others. Additionally, strong synergy has been seen with both traditional anti-cancer agents, such as chemotherapy, as well as newer mechanism-based anti-cancer drugs and immuno-oncology checkpoint inhibitors. In addition to pre-clinical testing, a Phase 1/2 clinical program with eprenetapopt has been completed, demonstrating a favorable safety profile and both biological and confirmed clinical responses in hematological malignancies and solid tumors with mutations in the TP53 gene.

    A pivotal Phase 3 clinical trial of eprenetapopt and azacitidine for frontline treatment of TP53 mutant MDS has been completed and failed to meet the primary endpoint of complete remission. Additional clinical trials in hematologic malignancies and solid tumors are ongoing. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for MDS, Orphan Drug and Fast Track designations from the FDA for AML, and Orphan Drug designation from the European Medicines Agency for MDS, AML and ovarian cancer.

    APR-548 is a next-generation small molecule p53 reactivator. APR-548 has demonstrated high oral bioavailability, enhanced potency relative to eprenetapopt in TP53 mutant cancer cell lines and has demonstrated in vivo tumor growth inhibition following oral dosing of tumor-bearing mice. Enrollment in a Phase 1 clinical trial of APR-548 is anticipated to begin early in the second quarter of 2021.

    Forward-Looking Statement

    Certain information contained in this press release includes "forward-looking statements", within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, related to our study analyses, clinical trials, regulatory submissions, and projected cash position. We may, in some cases use terms such as "future," "predicts," "believes," "potential," "continue," "anticipates," "estimates," "expects," "plans," "intends," "targeting," "confidence," "may," "could," "might," "likely," "will," "should" or other words that convey uncertainty of the future events or outcomes to identify these forward-looking statements. Our forward-looking statements are based on current beliefs and expectations of our management team that involve risks, potential changes in circumstances, assumptions, and uncertainties. Any or all of the forward-looking statements may turn out to be wrong or be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. These forward-looking statements are subject to risks and uncertainties including risks related to the success and timing of our clinical trials or other studies, risks associated with the coronavirus pandemic and the other risks set forth in our filings with the U.S. Securities and Exchange Commission. For all these reasons, actual results and developments could be materially different from those expressed in or implied by our forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which are made only as of the date of this press release. We undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

    Source: Aprea Therapeutics, Inc.

    Corporate Contacts:

    Scott M. Coiante

    Sr. Vice President and Chief Financial Officer

    617-463-9385

    Gregory A. Korbel

    Sr. Vice President and Chief Business Officer

    617-463-9385



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  3. BOSTON, May 06, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate the mutant tumor suppressor protein, p53, today reported financial results for the three months ended March 31, 2021 and provided a business update.

    "During our recent R&D Day presentation, we reported an analysis of available data from its Phase 3 MDS trial. We identified an imbalance in dose modifications in the experimental arm which we believe negatively impacted efficacy, particularly the primary CR endpoint," said Christian S. Schade, Chairman and Chief Executive Officer of Aprea. "We remain confident that eprenetapopt and our next-generation…

    BOSTON, May 06, 2021 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (NASDAQ:APRE), a biopharmaceutical company focused on developing and commercializing novel cancer therapeutics that reactivate the mutant tumor suppressor protein, p53, today reported financial results for the three months ended March 31, 2021 and provided a business update.

    "During our recent R&D Day presentation, we reported an analysis of available data from its Phase 3 MDS trial. We identified an imbalance in dose modifications in the experimental arm which we believe negatively impacted efficacy, particularly the primary CR endpoint," said Christian S. Schade, Chairman and Chief Executive Officer of Aprea. "We remain confident that eprenetapopt and our next-generation oral agent, APR-548, represent important potential therapeutic options for cancer patients and are encouraged by emerging data from our ongoing clinical trials. We look forward to sharing data updates from these clinical trials as well as our continued progress in expanding the opportunity for our therapies in new indications."

    Business Operations Update: 

    The Company is conducting, supporting, and planning multiple clinical trials of eprenetapopt (APR-246) and APR-548:

    • Phase 3 Frontline MDS Trial -- In June 2020, the Company completed full enrollment of 154 patients in a pivotal Phase 3 trial of eprenetapopt with azacitidine for frontline treatment of patients with TP53 mutant MDS. The pivotal Phase 3 trial is supported by data from two Phase 1b/2 investigator-initiated trials, one in the U.S. and one in France, testing eprenetapopt with azacitidine as frontline treatment in TP53 mutant MDS and AML patients. The data from the U.S. and French Phase 1b/2 trials were published in The Journal of Clinical Oncology in January 2021 and February 2021, respectively. In December 2020, the Company announced that its pivotal Phase 3 trial failed to meet its predefined primary endpoint of complete remission (CR) rate. Analysis of the primary endpoint at this data cut demonstrated a higher CR rate (53% more patients achieving a CR) in the experimental arm receiving eprenetapopt with azacitidine versus the control arm receiving azacitidine alone but did not reach statistical significance. Based on a thorough analysis of the current Phase 3 trial data and comparisons to the U.S. and French Phase 1b/2 trials the Company believes that despite similar types and frequency of adverse events observed in the Phase 3 experimental arm and the Phase 1b/2 trials, patients in the Phase 3 experimental arm experienced substantially more study treatment dose modifications compared to the experience in the U.S. and French Phase 1b/2 trials. The Company believes that dose modifications of eprenetapopt and azacitidine led to undertreatment in the Phase 3 experimental arm that negatively impacted efficacy, particularly the primary endpoint of CR rate. The Company continues to follow patients who remain on-study and anticipates discussing with FDA the Phase 3 data and future possible regulatory pathways in the second half of 2021.
    • Phase 2 MDS/AML Post-Transplant Trial – The Company has completed enrollment of 33 patients in a single-arm, open-label Phase 2 clinical trial evaluating eprenetapopt with azacitidine as post-transplant maintenance therapy in TP53 mutant MDS and AML patients who have received an allogeneic stem cell transplant. The primary endpoint of the trial is the rate of relapse-free survival (RFS) at 12 months, with a published benchmark of ~30%. An interim analysis in April 2021 showed a 62% rate of RFS at 12 months, with a median RFS of 462 days. An interim analysis of overall survival (OS) showed a 77% OS at 1 year, with a median number of events not yet reached. The Company anticipates initial results from the primary endpoint of RFS at 12 months in the second quarter of 2021.
    • Phase 1/2 AML Trial – The Company is currently enrolling a Phase 1/2 clinical trial evaluating the safety, tolerability, and preliminary efficacy of eprenetapopt therapy in TP53 mutant AML patients. The lead-in portion of the trial evaluated the tolerability of eprenetapopt with venetoclax, with or without azacitidine, and no dose-limiting toxicities were observed in 12 patients receiving either regimen. Based on these results, the Company has expanded the trial to treat 33 additional frontline TP53 mutant AML patients with the combination of eprenetapopt, venetoclax and azacitidine. In the 19 frontline AML patients who are evaluable for efficacy with the triplet regimen, the Company has observed a 63% CR + CRi composite response rate and a 31% CR rate. The Company anticipates completion of enrollment in the triplet regimen expansion cohort during the second quarter of 2021 and availability of preliminary response rate data from the cohort also in the second quarter of 2021.
    • Phase 1 NHL Trial – The Company is currently enrolling a Phase 1 clinical trial in relapsed/refractory TP53 mutant chronic lymphoid leukemia (CLL) assessing eprenetapopt with venetoclax and rituximab and eprenetapopt with ibrutinib in order to further assess eprenetapopt in hematological malignancies. The first patient was enrolled in the first quarter of 2021. The Company is also planning to evaluate the combination of eprenetapopt with venetoclax in relapsed/refractory mantle cell lymphoma.
    • Phase 1/2 Solid Tumor Trial – The Company is currently enrolling a Phase 1/2 clinical trial in relapsed/refractory gastric, bladder and non-small cell lung cancers assessing eprenetapopt with anti-PD-1 therapy. The dose-escalation phase of the trial enrolled 6 patients with advanced solid tumors and no dose-limiting toxicities were observed. Based on these results, the Company is enrolling expansion cohorts for patients with advanced gastric, bladder and non-small cell lung cancers and has currently enrolled 15 patients across these expansion arms. A poster presentation for this trial has been accepted for presentation at the 2021 ASCO Annual Meeting (abstract TPS3161).
    • APR-548 Phase 1 Trial -- The Company's second product candidate, APR-548, is a next-generation p53 reactivator that is being developed in an oral dosage form. The Company has planned a Phase 1 dose-escalation clinical trial evaluating the safety, tolerability, and preliminary efficacy of APR-548 with azacitidine in frontline and relapsed/refractory MDS patients. The Company anticipates the first patient to be enrolled in the second quarter of 2021.

    First Quarter Financial Results

    • Cash and cash equivalents:  As of March 31, 2021, the Company had $77.6 million of cash and cash equivalents compared to $89.0 million of cash and cash equivalents as of December 31, 2020. The Company expects cash burn for the full year 2021 to be between $30.0 million $35.0 million. The Company believes its cash and cash equivalents as of March 31, 2021 will be sufficient to meet its current projected operating requirements into 2023.
    • Research and Development (R&D) expenses:  R&D expenses were $6.8 million for the quarter ended March 31, 2021, compared to $9.1 million for the comparable period in 2020. The decrease in R&D expenses was primarily due to decreases in clinical trial costs for (i) our pivotal Phase 3 clinical trial of eprenetapopt with azacitidine for the frontline treatment of TP53 mutant MDS which completed enrollment in Q2 2020 and (ii) our Phase 2 post-transplant MDS/AML clinical trial. These decreases were partially offset by increases in clinical trial costs for our Phase 1/2 clinical trial for the treatment of TP53 mutant AML with venetoclax and azacitidine, our Phase 1/2 clinical trial in relapsed/refractory gastric, bladder and non-small cell lung cancers assessing eprenetapopt with anti-PD-1 therapy, and our Phase 1 clinical trial in relapsed/refractory TP53 mutant chronic lymphoid leukemia (CLL) assessing eprenetapopt with venetoclax and rituximab, and eprenetapopt with ibrutinib. 
    • General and Administrative (G&A) expenses:  G&A expenses were $3.4 million for the quarter ended March 31, 2021, compared to $2.8 million for the comparable period in 2020.  The increase in G&A expenses was primarily due to increases in non-cash stock-based compensation and insurance expense.

    • Net loss:  Net loss was $9.7 million, or $0.46 per share for the quarter ended March 31, 2021, compared to a net loss of $9.4 million, or $0.45 per share for the quarter ended March 31, 2020.   The Company had 21,186,827 shares of common stock outstanding as of March 31, 2021.

    About Aprea Therapeutics, Inc.

    Aprea Therapeutics, Inc. is a biopharmaceutical company headquartered in Boston, Massachusetts with research facilities in Stockholm, Sweden, focused on developing and commercializing novel cancer therapeutics that reactivate mutant tumor suppressor protein, p53. The Company's lead product candidate is eprenetapopt (APR-246), a small molecule in clinical development for hematologic malignancies and solid tumors. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for myelodysplastic syndromes (MDS), Orphan Drug and Fast Track designations from the FDA for acute myeloid leukemia (AML), and Orphan Drug designation from the European Commission for MDS, AML and ovarian cancer. APR-548, a next generation small molecule reactivator of mutant p53, is being developed for oral administration. For more information, please visit the company website at www.aprea.com.

    The Company may use, and intends to use, its investor relations website at https://ir.aprea.com/ as a means of disclosing material nonpublic information and for complying with its disclosure obligations under Regulation FD.

    About p53, eprenetapopt and APR-548

    The p53 tumor suppressor gene is the most frequently mutated gene in human cancer, occurring in approximately 50% of all human tumors. These mutations are often associated with resistance to anti-cancer drugs and poor overall survival, representing a major unmet medical need in the treatment of cancer.

    Eprenetapopt (APR-246) is a small molecule that has demonstrated reactivation of mutant and inactivated p53 protein – by restoring wild-type p53 conformation and function – thereby inducing programmed cell death in human cancer cells. Pre-clinical anti-tumor activity has been observed with eprenetapopt in a wide variety of solid and hematological cancers, including MDS, AML, and ovarian cancer, among others. Additionally, strong synergy has been seen with both traditional anti-cancer agents, such as chemotherapy, as well as newer mechanism-based anti-cancer drugs and immuno-oncology checkpoint inhibitors. In addition to pre-clinical testing, a Phase 1/2 clinical program with eprenetapopt has been completed, demonstrating a favorable safety profile and both biological and confirmed clinical responses in hematological malignancies and solid tumors with mutations in the TP53 gene.

    A pivotal Phase 3 clinical trial of eprenetapopt and azacitidine for frontline treatment of TP53 mutant MDS has been completed and failed to meet the primary endpoint of complete remission. Additional clinical trials in hematologic malignancies and solid tumors are ongoing. Eprenetapopt has received Breakthrough Therapy, Orphan Drug and Fast Track designations from the FDA for MDS, Orphan Drug and Fast Track designations from the FDA for AML, and Orphan Drug designation from the European Medicines Agency for MDS, AML and ovarian cancer.

    APR-548 is a next-generation small molecule p53 reactivator. APR-548 has demonstrated high oral bioavailability, enhanced potency relative to eprenetapopt in TP53 mutant cancer cell lines and has demonstrated in vivo tumor growth inhibition following oral dosing of tumor-bearing mice. Enrollment in a Phase 1 clinical trial of APR-548 is anticipated to begin early in the second quarter of 2021.

    Forward-Looking Statement

    Certain information contained in this press release includes "forward-looking statements", within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, related to our study analyses, clinical trials, regulatory submissions, and projected cash position. We may, in some cases use terms such as "future," "predicts," "believes," "potential," "continue," "anticipates," "estimates," "expects," "plans," "intends," "targeting," "confidence," "may," "could," "might," "likely," "will," "should" or other words that convey uncertainty of the future events or outcomes to identify these forward-looking statements. Our forward-looking statements are based on current beliefs and expectations of our management team that involve risks, potential changes in circumstances, assumptions, and uncertainties. Any or all of the forward-looking statements may turn out to be wrong or be affected by inaccurate assumptions we might make or by known or unknown risks and uncertainties. These forward-looking statements are subject to risks and uncertainties including risks related to the success and timing of our clinical trials or other studies, risks associated with the coronavirus pandemic and the other risks set forth in our filings with the U.S. Securities and Exchange Commission. For all these reasons, actual results and developments could be materially different from those expressed in or implied by our forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements, which are made only as of the date of this press release. We undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances.

    Source: Aprea Therapeutics, Inc.

    Corporate Contacts:

    Scott M. Coiante

    Sr. Vice President and Chief Financial Officer

    617-463-9385

    Gregory A. Korbel

    Sr. Vice President and Chief Business Officer

    617-463-9385

     
    Aprea Therapeutics, Inc.

    Condensed Consolidated Balance Sheets

    (Unaudited)
            
     March 31, 2021

     December 31, 2020
    Assets       
    Current assets:       
    Cash and cash equivalents$77,616,074  $89,017,686 
    Prepaid expenses and other current assets 2,467,443   3,399,019 
    Total current assets 80,083,517   92,416,705 
    Property and equipment, net 33,572   38,515 
    Right of use lease and other noncurrent assets 277,576   349,999 
    Total assets$80,394,665  $92,805,219 
    Liabilities and Stockholders' Equity        
    Current liabilities:       
    Accounts payable$3,456,728  $4,503,619 
    Accrued expenses 7,532,473   10,571,237 
    Lease liability—current 225,537   256,309 
    Total current liabilities 11,214,738   15,331,165 
    Lease liability—noncurrent 33,763   78,847 
    Total liabilities 11,248,501   15,410,012 
    Commitments and contingencies       
    Stockholders' equity:       
    Common stock, par value $0.001; 21,186,827 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively. 21,187   21,187 
    Additional paid-in capital 233,240,918   231,418,356 
    Accumulated other comprehensive loss (10,440,111)  (10,037,261)
    Accumulated deficit (153,675,830)  (144,007,075)
    Total stockholders' equity 69,146,164   77,395,207 
    Total liabilities and stockholders' equity$80,394,665  $92,805,219 
            



     
    Aprea Therapeutics, Inc.

    Condensed Consolidated Statements of Operations and Comprehensive Loss

    (Unaudited)
       
      Three Months Ended March 31,
      2021

     2020

    Operating expenses:      
    Research and development $6,763,848  $9,096,122 
    General and administrative  3,425,833   2,776,468 
    Total operating expenses  10,189,681   11,872,590 
    Other income (expense):      
    Interest (expense) income  (1,057)  224,442 
    Foreign currency (loss) gain  521,983   2,247,891 
    Total other income (expense)  520,926   2,472,333 
    Net loss $(9,668,755) $(9,400,257)
    Other comprehensive income (loss):      
    Foreign currency translation  (402,850)  (2,424,653)
    Total comprehensive loss  (10,071,605)  (11,824,910)
    Net loss per share attributable to common stockholders, basic and diluted $(0.46) $(0.45)
    Weighted-average common shares outstanding, basic and diluted  21,186,827   21,052,726 
             



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