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NEWS -- Plus Therapeutics Receives $1.9 Million Advance Payment from CPRIT and Plans to Present at the CPRIT Innovations in Cancer Prevention and Research Conference
AUSTIN, Texas, Sept. 11, 2023 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the “Company”), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system cancers, today announced that the Company will present data from its ReSPECT-LM clinical trial evaluating the Company’s lead radiotherapeutic, rhenium (186Re) obisbemeda, for the treatment of leptomeningeal metastases at the Cancer Prevention & Research Institute of Texas (CPRIT) Innovations in Cancer Prevention and Research Conference VI. The conference is taking place October 2-3, 2023, in Galveston, Tex. The poster presentation is titled, Report of Phase 1 Part A of the ReSPECT-LM Trial: Rhenium (186Re) Obisbemeda (186RNL) in Leptomeningeal Metastases (LM).
The presentation will be showcased during the Poster Session on October 3, beginning at 7:00 a.m. A copy of the poster will be made available under the Presentations tab of the Investors section of the Company’s website following the meeting at https://ir.plustherapeutics.com.
In August 2023, Plus Therapeutics received an advance payment of grant funds of approximately $1.9 million, as planned, as part of its overall $17.6 million award contract, which CPRIT executed in September 2022. The contract provides for funding from CPRIT over the three-year grant period starting on August 31, 2022, and follows the expected increase of development costs as the ReSPECT-LM clinical trial progresses to later stages.
About Plus Therapeutics
Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company developing targeted radiotherapeutics for difficult-to-treat cancers of the central nervous system with the potential to enhance clinical outcomes for patients. Combining image-guided local beta radiation and targeted drug delivery approaches, the Company is advancing a pipeline of product candidates with lead programs in recurrent glioblastoma (GBM) and leptomeningeal metastases (LM). The Company has built a robust supply chain through strategic partnerships that enable the development, manufacturing and future potential commercialization of its products. Plus Therapeutics is led by an experienced and dedicated leadership team and has operations in key cancer clinical development hubs including Austin and San Antonio, Texas. For more information, visit https://plustherapeutics.com/ and https://respect-trials.com.
About the Cancer Prevention & Research Institute of Texas (CPRIT)
CPRIT was created by the Texas Legislature and approved by a statewide vote in 2007 to lead the Lone Star State’s fight against cancer. In 2019, Texas voters again voted overwhelmingly to continue CPRIT with an additional $3 billion for a total $6 billion investment in cancer research and prevention.
To date, CPRIT has awarded over $3 billion in grants to Texas research institutions and organizations through its academic research, prevention and product development research programs. CPRIT has recruited 281 distinguished researchers, supported the establishment, expansion or relocation of 52 companies to Texas and generated over $7.66 billion in additional public and private investment. CPRIT funding has advanced scientific and clinical knowledge and provided 8.2 million life-saving cancer prevention and early detection services reaching Texans from all 254 counties. Learn more at https://cprit.state.tx.us.
Cautionary Statement Regarding Forward-Looking Statements
This press release contains statements that may be deemed “forward-looking statements” within the meaning of U.S. securities laws. All statements in this press release other than statements of historical fact are forward-looking statements. These forward-looking statements may be identified by future verbs, as well as terms such as “designed to,” “will,” “can,” “potential,” “focus,” “preparing,” “next steps,” “possibly,” and similar expressions or the negatives thereof. Such statements are based upon certain assumptions and assessments made by management in light of their experience and their perception of historical trends, current conditions, expected future developments and other factors they believe to be appropriate. These statements include, without limitation, statements regarding the following: the potential promise of 186Re including the ability of 186Re to safely and effectively deliver radiation directly to the tumor at high doses; expectations as to the Company’s future performance including the next steps in developing the Company’s current assets; the Company’s clinical trials including statements regarding the timing and characteristics of the ReSPECT-GBM and ReSPECT-LM clinical trials; possible negative effects of 186Re; the continued evaluation of 186Re including through evaluations in additional patient cohorts; and the intended functions of the Company’s platform and expected benefits from such functions.
The forward-looking statements included in this press release are subject to a number of risks and uncertainties that may cause actual results to differ materially from those discussed in such forward-looking statements. These risks and uncertainties include, but are not limited to: the Company’s actual results may differ, including materially, from those anticipated in these forward-looking statements as a result of various factors, including, but not limited to, the following: the early stage of the Company’s product candidates and therapies, the results of the Company’s research and development activities, including uncertainties relating to the clinical trials of its product candidates and therapies; the Company’s liquidity and capital resources and its ability to raise additional cash, the outcome of the Company’s partnering/licensing efforts, risks associated with laws or regulatory requirements applicable to it, market conditions, product performance, litigation or potential litigation, and competition within the cancer diagnostics and therapeutics field, among others; and additional risks described under the heading “Risk Factors” in the Company’s Securities and Exchange Commission filings, including in the Company’s annual and quarterly reports. There may be events in the future that the Company is unable to predict, or over which it has no control, and its business, financial condition, results of operations and prospects may change in the future. The Company assumes no responsibility to update or revise any forward-looking statements to reflect events, trends or circumstances after the date they are made unless the Company has an obligation under U.S. federal securities laws to do so.
Investor Contact
Peter Vozzo
ICR Westwicke
(443) 213-0505
mailto://Peter.Vozzo@westwicke.com
Media Contact
Terri Clevenger
ICR Westwicke
(203) 856-4326
mailto://Terri.Clevenger@westwicke.com
NEWS -- Plus Therapeutics Enters into License Agreement for Cerebrospinal Fluid Tumor Cell Enumeration Assay
CNSide™ assay is the gold standard diagnostic cerebrospinal fluid (CSF) assay for patients with suspected central nervous system (CNS) cancers
As part of the agreement, Plus obtains a nonexclusive license and option for exclusivity for patients receiving CNS radiotherapy
AUSTIN, Texas, Sept. 08, 2023 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the “Company”), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system cancers, today announced it has expanded its supply agreement with Biocept by acquiring an option to exclusively license Biocept's CNSide, a CSF-based tumor cell capture and enumeration platform, for patients receiving CNS radiotherapy. The option ensures that Plus Therapeutics has ongoing expanded access to the diagnostic CSF assay for patients with CNS cancers and can further develop and improve the assay specifically for patients with CNS cancers receiving radiotherapy.
“Thus far, in our ReSPECT-LM trial, we have had a very positive experience with the CNSide assay and think it has significant diagnostic potential,” said Marc H. Hedrick M.D., President and Chief Executive Officer of Plus Therapeutics. “The announced agreement is an important building block to ensure Plus Therapeutics remains at the forefront of CNS cancer therapy.”
Under the terms of the agreement, CNSide developer, Biocept, has granted Plus Therapeutics a non-exclusive license to its CNSide cell enumeration assay for Plus’ investigational therapy for leptomeningeal metastases (LM), rhenium (186Re) obisbemeda, and an option for an exclusive license to the assay. In exchange, Plus Therapeutics will provide $150,000 of its common stock to Biocept. Prior to January 1, 2025, Plus Therapeutics will have the option for exclusivity for the field of radiotherapy in exchange for a $1.0 million payment, to be exercised at Plus Therapeutics’ discretion.
“Use of the CNSide assay has the potential to substantially improve the diagnostic paradigm for patients with solid tumor leptomeningeal disease and could provide valuable information for these patients who have limited treatment options but where a targeted therapy may be beneficial,” said Priya U. Kumthekar, M.D., Associate Professor of Neurology and Medicine at Northwestern University’s Feinberg School of Medicine. “Paired with novel investigational therapeutics such as Plus Therapeutics’ rhenium (186Re) obisbemeda, the overall clinical management of these challenging patients could be transformed.”
CNSide is an assay based on proprietary quantitative tumor cell capture method paired with advanced digital imaging and molecular markers used to detect, characterize and quantify tumor cells in CSF of patients with a variety of solid organ carcinomas and suspected LM, particularly breast and lung cancer and melanoma which are leading causes of LM. CNSide provides a sensitive and specific quantitative method to evaluate tumor status and response to treatment compared to conventional CSF cytology or imaging monitoring.
In March 2023, Biocept initiated enrollment in the FORESEE trial with CNSide. The FORESEE trial is a two-part, multicenter, prospective clinical trial expected to enroll up to 40 patients with breast or non-small cell lung cancer who have suspicious or confirmed LM. The goal of the FORESEE trial is to evaluate the performance of CNSide in monitoring LM's response to treatment and to assess the impact of CNSide on treatment decisions made by physicians. The feasibility phase of the study is expected to complete in the first half of 2024, which will be followed by a validation phase that is estimated to include between 40 and 100 subjects.
About Leptomeningeal Metastases (LM)
LM is a rare complication of cancer in which the primary cancer spreads to the cerebrospinal fluid (CSF) and leptomeninges surrounding the brain and spinal cord. All malignancies originating from solid tumors, primary brain tumors, or hematological malignancies have this LM complication potential with breast cancer as the most common cancer linked to LM, with 3-5% of breast cancer patients developing LM. Additionally, lung cancer, GI cancers and melanoma can also spread to the CSF and result in LM. LM occurs in approximately 5% of people with cancer and is usually terminal with 1-year and 2-year survival of just 7% and 3%, respectively. The incidence of LM is on the rise, partly because cancer patients are living longer and partly because many standard chemotherapies cannot reach sufficient concentrations in the spinal fluid to kill the tumor cells, yet there are no FDA-approved therapies specifically for LM patients, who often succumb to this complication within weeks to several months, if untreated.
About Rhenium (186Re) obisbemeda
Rhenium (186Re) obisbemeda is a novel injectable radiotherapy specifically formulated to deliver highly targeted high dose radiation in CNS tumors in a safe, effective and convenient manner to optimize patient outcomes. Rhenium (186Re) obisbemeda has the potential to reduce risks and improve outcomes for CNS cancer patients, versus currently approved therapies, with a more targeted and potent radiation dose. Rhenium-186 is an ideal radioisotope for CNS therapeutic applications due to its short half-life, beta energy for destroying cancerous tissue and gamma energy for live imaging. Rhenium (186Re) obisbemeda is being evaluated for the treatment of recurrent glioblastoma and leptomeningeal metastases in the ReSPECT-GBM and ReSPECT-LM clinical trials. ReSPECT-GBM is supported by an award from the National Cancer Institute (NCI), part of the U.S. National Institutes of Health (NIH), and ReSPECT-LM is funded by a three-year $17.6M grant by the Cancer Prevention & Research Institute of Texas (CPRIT).
About Plus Therapeutics
Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company developing targeted radiotherapeutics for difficult-to-treat cancers of the central nervous system with the potential to enhance clinical outcomes for patients. Combining image-guided local beta radiation and targeted drug delivery approaches, the Company is advancing a pipeline of product candidates with lead programs in recurrent glioblastoma (GBM) and leptomeningeal metastases (LM). The Company has built a robust supply chain through strategic partnerships that enable the development, manufacturing and future potential commercialization of its products. Plus Therapeutics is led by an experienced and dedicated leadership team and has operations in key cancer clinical development hubs including Austin and San Antonio, Texas. For more information, visit https://plustherapeutics.com/.
About Biocept, Inc.
Biocept, Inc. develops and commercializes molecular diagnostic assays that provide physicians with clinically actionable information for treating and monitoring patients diagnosed with a variety of cancers. Biocept has developed and is commercializing the CNSide™ cerebrospinal fluid assay that detects cancer cells that have metastasized to the central nervous system. Biocept’s patented technology captures and quantitatively analyzes CSF tumor cells for tumor-associated molecular markers. For more information, https://visit www.biocept.com.
1 The CNSide assay is not an FDA cleared or approved assay. It is a Biocept lab developed test and its performance characteristics were determined in Biocept’s CLIA-certified, CAP-accredited laboratory.
Cautionary Statement Regarding Forward-Looking Statements
This press release contains statements that may be deemed “forward-looking statements” within the meaning of U.S. securities laws. All statements in this press release other than statements of historical fact are forward-looking statements. These forward-looking statements may be identified by future verbs, as well as terms such as “designed to,” “will,” “can,” “potential,” “focus,” “preparing,” “next steps,” “possibly,” and similar expressions or the negatives thereof. Such statements are based upon certain assumptions and assessments made by management in light of their experience and their perception of historical trends, current conditions, expected future developments and other factors they believe to be appropriate. These statements include, without limitation, statements regarding the following: the potential promise of 186Re including the ability of 186Re to safely and effectively deliver radiation directly to the tumor at high doses; expectations as to the Company’s future performance including the next steps in developing the Company’s current assets; the Company’s clinical trials including statements regarding the timing and characteristics of the ReSPECT-GBM and ReSPECT-LM clinical trials; possible negative effects of 186Re; the continued evaluation of 186Re including through evaluations in additional patient cohorts; and the intended functions of the Company’s platform and expected benefits from such functions.
The forward-looking statements included in this press release are subject to a number of risks and uncertainties that may cause actual results to differ materially from those discussed in such forward-looking statements. These risks and uncertainties include, but are not limited to: the Company’s actual results may differ, including materially, from those anticipated in these forward-looking statements as a result of various factors, including, but not limited to, the following: the early stage of the Company’s product candidates and therapies, the results of the Company’s research and development activities, including uncertainties relating to the clinical trials of its product candidates and therapies; the Company’s liquidity and capital resources and its ability to raise additional cash, the outcome of the Company’s partnering/licensing efforts, risks associated with laws or regulatory requirements applicable to it, market conditions, product performance, litigation or potential litigation, and competition within the cancer diagnostics and therapeutics field, among others; and additional risks described under the heading “Risk Factors” in the Company’s Securities and Exchange Commission filings, including in the Company’s annual and quarterly reports. There may be events in the future that the Company is unable to predict, or over which it has no control, and its business, financial condition, results of operations and prospects may change in the future. The Company assumes no responsibility to update or revise any forward-looking statements to reflect events, trends or circumstances after the date they are made unless the Company has an obligation under U.S. federal securities laws to do so.
Investor Contact
Peter Vozzo
ICR Westwicke
(443) 377-4767
mailto://Peter.Vozzo@westwicke.com
Media Contact
Terri Clevenger
ICR Westwicke
(203) 856-4326
mailto://Terri.Clevenger@westwicke.com
NEWS -- Plus Therapeutics Initiates Part B of ReSPECT-LM Phase 1/2a Trial for Leptomeningeal Metastase
AUSTIN, Texas, Sept. 05, 2023 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the “Company”), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system cancers, today announced treatment of the first patient in Part B (Cohort 4) of the ReSPECT-LM Phase 1/2a dose escalation clinical trial of rhenium (186Re) obisbemeda for the treatment of leptomeningeal metastases (LM) from solid tumors.
“The Phase 1/Part A data in the ReSPECT-LM clinical trial is encouraging,” said Norman LaFrance M.D., Chief Medical Officer of Plus Therapeutics. “In Phase 1/Part B, we plan to dose escalate to the maximum tolerated single dose while simultaneously collaborating with the U.S. Food and Drug Administration (FDA) to implement multiple dosing into the trial.”
The maximum total radiation activity administered in Phase 1/Part A was 26.4 millicuries (mCi). In Phase 1/Part B the maximum administered total radiation activity will be 110.0 mCi in cohort 7.
Positive data from Part A (Cohorts 1-3) of the ReSPECT-LM clinical study evaluating the Company’s lead radiotherapeutic, rhenium (186Re) obisbemeda, for the treatment of LM were presented at the Society for Neuro Oncology (SNO)/American Society of Clinical Oncology (ASCO) Central Nervous System (CNS) Cancer Conference in August 2023. In summary, the findings in the Phase 1/Part A showed:
NEWS -- Plus Therapeutics to Present at the H.C. Wainwright 25th Annual Global Investment Conference
AUSTIN, Texas, Aug. 30, 2023 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system cancers, announced today that Marc Hedrick, M.D., President and Chief Executive Officer, will present at the H.C. Wainwright 25th Annual Global Investment Conference on Tuesday, September 12, 2023 at 3:00 p.m. ET at the Lotte New York Palace in New York, NY.
Investors interested in arranging a meeting with the Company’s management during the conference should contact the H.C. Wainwright conference coordinator. An archived replay of the presentation will be available under the For Investors tab of the Plus website at https://www.plustherapeutics.com for 90 days following the event.
About Plus Therapeutics
Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company developing targeted radiotherapeutics for difficult-to-treat cancers of the central nervous system with the potential to enhance clinical outcomes for patients. Combining image-guided local beta radiation and targeted drug delivery approaches, the Company is advancing a pipeline of product candidates with lead programs in recurrent glioblastoma (GBM) and leptomeningeal metastases (LM). The Company has built a robust supply chain through strategic partnerships that enable the development, manufacturing, and future potential commercialization of its products. Plus Therapeutics is led by an experienced and dedicated leadership team and has operations in key cancer clinical development hubs including Austin and San Antonio, Texas. For more information, visit https://plustherapeutics.com/.
Cautionary Statement Regarding Forward-Looking Statements
This press release contains statements that may be deemed “forward-looking statements” within the meaning of U.S. securities laws. All statements in this press release other than statements of historical fact are forward-looking statements. These forward-looking statements may be identified by future verbs, as well as terms such as “designed to,” “will,” “can,” “potential,” “focus,” “preparing,” “next steps,” “possibly,” and similar expressions or the negatives thereof. Such statements are based upon certain assumptions and assessments made by management in light of their experience and their perception of historical trends, current conditions, expected future developments and other factors they believe to be appropriate. These statements include, without limitation, statements regarding the following: the potential promise of 186Re including the ability of 186Re to safely and effectively deliver radiation directly to the tumor at high doses; expectations as to the Company’s future performance including the next steps in developing the Company’s current assets; the Company’s clinical trials including statements regarding the timing and characteristics of the ReSPECT-GBM and ReSPECT-LM clinical trials; possible negative effects of 186Re; the continued evaluation of 186Re including through evaluations in additional patient cohorts; and the intended functions of the Company’s platform and expected benefits from such functions.
The forward-looking statements included in this press release are subject to a number of risks and uncertainties that may cause actual results to differ materially from those discussed in such forward-looking statements. These risks and uncertainties include, but are not limited to: the Company’s actual results may differ, including materially, from those anticipated in these forward-looking statements as a result of various factors, including, but not limited to, the following: the early stage of the Company’s product candidates and therapies, the results of the Company’s research and development activities, including uncertainties relating to the clinical trials of its product candidates and therapies; the Company’s liquidity and capital resources and its ability to raise additional cash, the outcome of the Company’s partnering/licensing efforts, risks associated with laws or regulatory requirements applicable to it, market conditions, product performance, litigation or potential litigation, and competition within the cancer diagnostics and therapeutics field, among others; and additional risks described under the heading “Risk Factors” in the Company’s Securities and Exchange Commission filings, including in the Company’s annual and quarterly reports. There may be events in the future that the Company is unable to predict, or over which it has no control, and its business, financial condition, results of operations and prospects may change in the future. The Company assumes no responsibility to update or revise any forward-looking statements to reflect events, trends, or circumstances after the date they are made unless the Company has an obligation under U.S. federal securities laws to do so.
Investor Contact
Peter Vozzo
ICR Westwicke
(443) 377-4767
mailto://Peter.Vozzo@westwicke.com
Media Contact
Terri Clevenger
ICR Westwicke
(203) 856-4326
mailto://Terri.Clevenger@westwicke.com
