On August 5, 2024 ESSA Pharma Inc. ("ESSA", or the "Company") (NASDAQ: EPIX), a clinical-stage pharmaceutical company focused on developing novel therapies for the treatment of prostate cancer, reported a corporate update and provided financial results for the fiscal third quarter ended June 30, 2024 (Press release, ESSA, AUG 5, 2024, View Source [SID1234645353]).

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"With continued focus on execution, we are progressing towards a stream of significant milestones throughout the next nine to twelve months, with the first being the presentation at ESMO (Free ESMO Whitepaper) of more mature durability data from the Phase 1 dose escalation study evaluating masofaniten combined with enzalutamide in patients with metastatic castration-resistant prostate cancer naïve to second-generation antiandrogens," said David Parkinson, MD, President and CEO of ESSA. "We are focused on the enrollment of the Phase 2 dose expansion study evaluating masofaniten in combination with enzalutamide, with 25 sites activated in the US, Canada and Australia and an additional 14 sites being activated in Europe. We look forward to reporting key data across these trials throughout the remainder of this year through 2025."

Third Quarter Fiscal 2024 and Recent Highlights

Masofaniten Combination Studies

Phase 1/2 study is still ongoing evaluating masofaniten in combination with enzalutamide in patients with metastatic castration-resistant prostate cancer ("mCRPC") naïve to second-generation antiandrogens but may have been treated with chemotherapy in the metastatic castration-sensitive setting. The latest reported results, which were presented at the ASCO (Free ASCO Whitepaper)-GU symposium in January 2024, demonstrated that the combination regimen continues to be well tolerated at the dose levels tested in up to 25 cycles of dosing in some patients. Reductions in PSA were observed across evaluable patients for efficacy in all dosing cohorts (n=16). Across all dosing cohorts, 88% of patients achieved PSA50, 81% of patients achieved PSA90, 69% of patients achieved PSA90 in less than 90 days, and 63% of patients achieved PSA <0.2ng/mL. While the data for time to PSA progression were still maturing, the median time to PSA progression was reported as 16.6 months with a median follow up at that time of 11.1 months. ESSA plans to report updated data from the Phase 1 dose escalation study at the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) 2024 congress.
Masofaniten continues to be evaluated in combination with enzalutamide compared to enzalutamide monotherapy in a Phase 2 dose randomized study in patients with mCRPC naïve to second-generation antiandrogens but who may have been treated with chemotherapy in the metastatic castration-sensitive setting. Enrollment in the Phase 2 portion of this Phase 1/2 study is expected to be completed during the first quarter of 2025. The study is currently enrolling at approximately 25 sites in the US, Canada, and Australia. Expansion to European clinical sites is in progress with an additional 14 clinical sites planned to be activated by the third quarter of 2024. ESSA is on track to report preliminary data from the Phase 2 dose expansion portion of the study in mid-2025.
Two additional masofaniten combination arms are continuing enrollment as part of the ongoing Phase 1 masofaniten study. One arm is evaluating masofaniten in combination with abiraterone acetate and prednisone in patients with either metastatic castration-sensitive prostate cancer or mCRPC, while the second arm is evaluating masofaniten in combination with apalutamide in patients with non-metastatic castration-resistant prostate cancer after 12 weeks of masofaniten single agent.
Two additional investigator-sponsored studies testing combinations of masofaniten with darolutamide or enzalutamide in different patient populations are currently enrolling: a) an Australian investigator-sponsored neoadjuvant study evaluating neoadjuvant use of the combination of masofaniten and darolutamide compared to darolutamide monotherapy in high-risk patients undergoing prostatectomy and b) an investigator-sponsored study which is testing masofaniten and enzalutamide in metastatic castration-sensitive prostate cancer patients.
Masofaniten Monotherapy Study

ESSA remains on track to complete the Phase 1b masofaniten monotherapy study evaluating masofaniten in patients with mCRPC resistant to second-generation antiandrogens. The initial results from the monotherapy study were reported at the 2023 ASCO (Free ASCO Whitepaper)-GU Symposium, and demonstrated that masofaniten monotherapy was well-tolerated, achieved clinically significant exposures, and showed preliminary signals of anti-tumor activity in a subset of patients. ESSA plans to present the complete Phase 1b monotherapy results in the second half of 2024 at a medical conference.
Summary Financial results
(Amounts expressed in U.S. dollars)

Net Loss. ESSA recorded a net loss of $7.2 million for the third quarter ended June 30, 2024, compared to $7.3 million for the third quarter ended June 30, 2023.
Research and Development ("R&D") expenditures. R&D expenditures for the third quarter ended June 30, 2024, were $5.5 million compared to $6.3 million for the third quarter ended June 30, 2023, and include non-cash costs related to share-based payments of $851,971 for the third quarter ended 2024 compared to $599,621 for the third quarter ended 2023. The decrease is largely attributable to reductions in preclinical work with the focus on ongoing clinical trials.
General and Administration ("G&A") expenditures. G&A expenditures for the third quarter ended June 30, 2024, were $3.2 million compared to $2.6 million for the third quarter ended June 30, 2023, and include non-cash costs related to share-based payments of $1,748,227 for the third quarter ended 2024 compared to $561,452 for the third quarter ended 2023. The net decrease (net of share-based payments) relates to the timing of corporate projects and lower insurance premiums for the current period.
Liquidity and Outstanding Share Capital

As of June 30, 2024, the Company had available cash reserves and short-term investments of $130.7 million. The Company’s cash position is expected to be sufficient to fund current and planned operations beyond 2025.
As of June 30, 2024, the Company had 44,368,959 common shares issued and outstanding.
In addition, as of June 30, 2024, there were 2,920,000 common shares issuable upon the exercise of prefunded warrants at an exercise price of $0.0001.

On August 5, 2024 Antennova, a clinical-stage biotech company focused on oncology reported that the orally administered CD73 small molecule inhibitor ATN-037 (also known as ATG-037) has been accepted for Mini Oral presentation at the 2024 European Society of Medical Oncology (ESMO) (Free ESMO Whitepaper) Congress (EMSO Congress 2024), taking place from September 13th to September 17th at the Fira Barcelona Gran Via in Barcelona, Spain (Press release, Antennova, AUG 5, 2024, View Source [SID1234645352]).

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Details of the Presentation:

ATN-037 (CD73 Oral Small Molecule Inhibitor)

Title: A First-In-Human Phase I/Ib study of ATG-037 Monotherapy and Combination Therapy with Pembrolizumab in Patients with Advanced Solid Tumours – STAMINA-01

Abstract: 6067

Presentation Number: 997MO

Date: September 16, 2024

Lecture Time:

10:50 AM – 10:55 AM (Central European Summer Time)

4:50 AM – 4:55 AM (US Eastern Time)

On August 5, 2024 Citius Pharmaceuticals, Inc. ("Citius Pharma" or the "Company") (Nasdaq: CTXR), a late-stage biopharmaceutical company dedicated to the development and commercialization of first-in-class critical care products, reported that shareholders of TenX Keane Acquisition ("TenX") (Nasdaq: TENK), a publicly traded special purpose acquisition company, have voted to approve the previously announced business combination with Citius Pharma’s oncology subsidiary (Press release, Citius Pharmaceuticals, AUG 5, 2024, View Source [SID1234645351]). The newly combined public company will continue to trade on the Nasdaq stock exchange and is to be renamed Citius Oncology, Inc. ("Citius Oncology").

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The transaction has been unanimously approved by the Board of Directors of both companies and Citius Pharma. Subject to certain contractual as well as customary closing conditions, the merger is expected to be completed in the coming weeks.

The transaction is expected to provide Citius Oncology with improved access to the public equity markets, support the commercialization of LYMPHIR, if approved, and position the company to explore additional targeted oncology opportunities.

"We look forward to closing this transaction in the coming weeks and unlocking and growing the value of our oncology asset," stated Leonard Mazur, Chairman and CEO of Citius Pharma.

About the Merger

Pursuant to the proposed agreement, TenX will acquire Citius Pharma’s wholly owned subsidiary via a merger, with the newly combined publicly traded company to be named Citius Oncology, Inc. In the transaction, all shares of Citius Pharma’s wholly owned subsidiary would be converted into the right to receive common stock of Citius Oncology. As a result, upon closing, Citius Pharma would hold approximately 65.6 million shares of common stock of Citius Oncology which would represent approximately 90% of the newly public company. As part of the transaction, Citius Pharma will contribute $10 million in cash to Citius Oncology. An additional 12.75 million existing options will be assumed by Citius Oncology.

At closing, any cash remaining in TenX’s trust account along with the cash provided by Citius Pharma will be contributed to Citius Oncology for working capital and general corporate purposes of Citius Oncology following the transaction. References to available cash from the TenX trust account and retained transaction proceeds are subject to any redemptions by the public stockholders of TenX and payment of transaction fees and expenses.

The description of the transaction contained herein is only a summary and is qualified in its entirety by reference to the merger agreement, a copy of which has been filed by Citius Pharma in a Current Report on Form 8-K, filed with the U.S. Securities and Exchange Commission on October 24, 2023.

Advisors

Maxim Group LLC is acting as exclusive financial advisor to Citius Pharma and Newbridge Securities Corporation is acting as exclusive financial advisor to TenX. Wyrick Robbins Yates & Ponton LLP is acting as legal advisor to Citius Pharma and Citius Oncology. The Crone Law Group P.C. is acting as legal advisor to TenX.

On August 5, 2024 Antengene Corporation Limited ("Antengene", SEHK: 6996.HK), a leading innovative, commercial-stage global biopharmaceutical company dedicated to discovering, developing and commercializing first-in-class and/or best-in-class medicines for cancer, reported that the Malaysian National Pharmaceutical Regulatory Agency has approved a New Drug Application (NDA) for XPOVIO (selinexor) for two indications: (1) In combination with bortezomib and dexamethasone for the treatment of adult patients with multiple myeloma (MM) who have received at least one prior therapy; and (2) in combination with dexamethasone for the treatment of adult patients with MM who have received at least four prior therapies and whose disease is refractory to at least two proteasome inhibitors, two immunomodulatory agents and an anti-CD38 monoclonal antibody, and who have demonstrated disease progression on the last therapy (Press release, Antengene, AUG 5, 2024, View Source [SID1234645350]).

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With a novel mechanism of action, XPOVIO is the world’s first approved orally-available, selective XPO1 inhibitor, which has already been approved in eight markets in APAC. This successful approval for XPOVIO in Malaysia will introduce novel therapies to the clinical management of patients with MM in Malaysia, benefiting many patients and their families in the country. To date, XPOVIO has also been included in national health insurance or reimbursement schemes in the mainland of China, Australia, Singapore and South Korea.

The ASEAN region, with its steady economic growth and a population exceeding 600 million, has become a significant potential market for global biomedical development. The accelerating aging population in ASEAN has increased the overall disease burden on patients and local communities, leading to a growing demand for novel therapeutics. Antengene, in efforts to fulfill its commitment to enhancing the health and well-being of the ASEAN population, has submitted NDAs for XPOVIO in Thailand and Indonesia, with approvals expected in the second half of 2024. Looking ahead, the company aims to introduce more innovative medicines to the ASEAN market, bringing improved healthcare to more patients in the region.

While bringing XPOVIO to more APAC markets, Antengene is also striving to expand the indications of XPOVIO. Leveraging the drug’s novel mechanism of action, Antengene is currently developing multiple combination regimens of XPOVIO for the treatment of various indications including myelofibrosis (MF), T-cell non-Hodgkin’s lymphoma (T-NHL), and endometrial cancer.

About XPOVIO (selinexor)

XPOVIO is the world’s first approved orally-available, selective inhibitor of the nuclear export protein XPO1. It offers a novel mechanism of action, synergistic effects in combination regimens, fast onset of action, and durable responses.

By blocking the nuclear export protein XPO1, XPOVIO can promote the intranuclear accumulation and activation of tumor suppressor proteins and growth regulating proteins, and down-regulate the levels of multiple oncogenic proteins. XPOVIO delivers its antitumor effects through three mechanistic pathways: 1) exerting antitumor effects by inducing the intranuclear accumulation of tumor suppressor proteins; 2) reducing the level of oncogenic proteins in the cytoplasm by inducing the intranuclear accumulation of oncogenic mRNAs; 3) restoring hormone sensitivity by activating the glucocorticoid receptors (GR) pathway. To utilize its unique mechanism of actions, XPOVIO is being evaluated for use in multiple combination regimens in a range of indications. At present, Antengene is conducting multiple clinical studies of XPOVIO in the mainland of China for the treatment of relapsed/refractory hematologic malignancies and solid tumors (3 of these studies are being jointly conducted by Antengene and Karyopharm Therapeutics Inc. [Nasdaq:KPTI]).

On August 5, 2024 Amplia Therapeutics Limited (ASX: ATX), ("Amplia" or the "Company"), reported that a fourth patient enrolled in the Company’s Phase 2a clinical trial investigating narmafotinib in the treatment of advanced pancreatic cancer (the ACCENT trial) has recorded a confirmed partial response (Press release, Amplia Therapeutics, AUG 5, 2024, View Source [SID1234645349]).

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A total of 50 patients are planned for the Phase 2a ACCENT trial, recruited in two cohorts. In the first cohort of 26 patients, 6 or more patients with confirmed partial or complete responses are required to initiate recruitment of the second cohort of 24 patients. We have previously reported that three (3) confirmed partial responses have already been observed in the first patient cohort. This latest confirmed partial response means that only a further two (2) confirmed responses (partial or complete) are required for the trial’s interim analysis to support recruitment of the additional 24 patients in the second cohort of the trial.

The formal term ‘confirmed partial response’ means in these patients there is at least a 30% decrease in the overall size of tumour lesions, with no new tumour lesions, sustained over a two-month period, while a confirmed complete response refers to a total absence of tumour lesions over a two-month period.

Amplia CEO and MD Dr Chris Burns commented: "The activity of narmafotinib in the ACCENT trial continues to be very positive, consistent with our previous clinical and preclinical data. We remain on track to complete the interim analysis by the end of this quarter."

The Company will provide further updates on the trial as recruitment proceeds.

This ASX announcement was approved and authorised for release by the Board of Amplia Therapeutics.

About Narmafotinib

Narmafotinib (AMP945) is the company’s best-in-class inhibitor of the protein FAK, a protein overexpressed in pancreatic and other cancers, and a drug target gaining increasing attention for its role in solid tumours. The drug, which is a highly potent and selective inhibitor of FAK, has shown promising data in a range of preclinical cancer studies. The drug has successfully completed a healthy volunteer study, and is currently in an open-label Phase 2a trial in pancreatic cancer where a combination of narmafotinib and the chemotherapies gemcitabine and Abraxane is being assessed for safety, tolerability and efficacy.

About the ACCENT Trial

The ACCENT trial is entitled ‘A Phase 1b/2a, Multicentre, Open Label Study of the Pharmacokinetics, Safety and Efficacy of AMP945 in Combination with Nab-paclitaxel and Gemcitabine in Pancreatic Cancer Patients’.

The ACCENT trial explores the use of narmafotinib in combination with standard-of-care chemotherapy of gemcitabine and Abraxane in first-line patients with advanced pancreatic cancer. The trial is a single-arm open label study conducted in two stages. The firststage (Phase 1b), completed in November 2023, identified a 400 mg oral daily dose of narmafotinib, given in the days preceding regular chemotherapy infusion, as safe and well tolerated. This second stage (Phase 2a), of the trial is designed to assess drug efficacy in combination with gemcitabine and Abraxane. The primary endpoints are Objective Response Rate (ORR) and Duration on Trial (DOT) with secondary endpoints being Progression Free Survival (PFS) and Overall Survival (OS). Safety and tolerability will continue to be assessed.

More information about the ACCENT trial, including a list of participating sites, can be found via the Amplia Therapeutics website and at ClinicalTrials.gov under the identifier NCT05355298.