3B Pharmaceuticals Announces Option and Asset Purchase Agreement with Novartis for PSMA Radioligand Therapy Program

On October 21, 2024 3B Pharmaceuticals GmbH (3BP), a privately-held German biotechnology company focused on research and development of radiopharmaceutical precision therapies for cancer patients, reported it has signed an option and asset purchase agreement with Novartis Pharma AG (Novartis) for its prostatespecific membrane antigen (PSMA) program (Press release, 3B Pharmaceuticals, OCT 21, 2024, View Source [SID1234647277]).

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3BP’s program includes a novel PSMA-binding molecule that may be a potential nextgeneration radioligand therapy (RLT) for prostate cancer and is currently being studied in two investigator-initiated trials.

"This agreement with Novartis marks a pivotal moment for 3BP," said Ulrich Reineke, Managing Director of 3B Pharmaceuticals. "If the option for the asset purchase is exercised, we are confident that Novartis, with its strong commitment and expertise in radioligand therapies, will drive the continued clinical development of our lead PSMA-targeted molecule and advance it to help prostate cancer patients worldwide."

Financial details of the agreement have not been disclosed.

Castle Biosciences Presents New Data at ASDS from Prospective, Multicenter CONNECTION Study Supporting Use of DecisionDx®-Melanoma to Guide SLNB Decisions in T1a Tumors with High-Risk Features and T1b Tumors

On October 20, 2024 Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, reported new data supporting the clinical utility of its DecisionDx-Melanoma and DecisionDx-SCC tests in guiding risk-aligned treatment decisions, including SLNB for patients with melanoma and surveillance imaging for those with SCC (Press release, Castle Biosciences, OCT 20, 2024, View Source [SID1234647276]). The data were shared in two video abstracts at the 2024 American Society for Dermatologic Surgery (ASDS) Annual Meeting, held Oct. 17-20, 2024, in Orlando, Florida.

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"While staging is an important part of skin cancer risk assessment, well-validated molecular tests like DecisionDx-Melanoma and DecisionDx-SCC are designed to look deeper into the biology of a patient’s tumor to provide additional insight into its likely behavior," said Etan Marks, D.O., board-certified pathologist, laboratory director and primary investigator at Advanced Dermatology and Cosmetic Surgery in Delray Beach, Florida. "As demonstrated in the studies at ASDS, these insights can enhance clinical decision-making and arm clinicians with more precise risk information to help route patients to the most appropriate modality aligned to their risk of metastasis and survival."

Details regarding Castle’s video abstracts presented at ASDS are included below:

DecisionDx-Melanoma

Title: The i31-GEP identifies patients with T1 cutaneous melanoma who can safely avoid sentinel lymph node biopsy: Results from a prospective, multicenter study
Lead Author: Etan Marks, D.O., Advanced Dermatology and Cosmetic Surgery, Delray Beach, Florida
Key take-aways:
National Comprehensive Cancer Network (NCCN) guidelines regarding SLNB are most ambiguous for patients with T1a tumors with high-risk features and T1b tumors, for whom SLNB may be considered due to an increased risk of metastasis. Data from this ongoing prospective, multicenter study (CONNECTION) confirm that DecisionDx-Melanoma can identify patients with T1 tumors with a low risk of sentinel lymph node positivity who can safely forgo SLNB (negative predictive value of 98.4%), while maintaining very high survival rates in low-risk patients who did not have an SLNB (three-year recurrence free survival rate of 99.5%).1 Additionally, the data indicate that using DecisionDx-Melanoma test results to guide SLNB decisions in patients with T1 tumors could have reduced the number of unnecessary biopsies by up to 64%, as well as procedure-related complications and health care costs.
View video abstract here.
DecisionDx-SCC

Title: The 40-gene expression profile (40-GEP) test enhances risk-aligned guidance for surveillance imaging in high-risk cutaneous squamous cell carcinoma (cSCC)
Lead Author: Emily S. Ruiz, M.D., MPH, Brigham and Women’s Hospital and Harvard Medical School, Boston
Key take-aways:
Radiologic surveillance imaging in patients with high-risk SCC can identify disease recurrence earlier, which may improve patient outcomes. This study evaluated the utility of the DecisionDx-SCC test in guiding these decisions in patients with higher stage disease (i.e., patients with BWH T2b SCC tumors), whom studies have shown are at a higher likelihood of nodal or distant metastasis relative to lower-staged patients. In the study, approximately 42% of the patients with T2b tumors who received radiologic surveillance imaging received a Class 1 (low risk) test result and had a metastasis rate of 5.9%, indicating that clinicians could have safely deferred surveillance imaging for these Class 1 patients due to the low metastatic rate. For patients who were not imaged, almost 50% received a Class 2A or 2B (higher or highest risk) test result and had an 18.8% metastasis rate, suggesting that these patients may have benefitted from imaging to promote early detection of disease progression and improved outcomes. Overall, these data demonstrate the utility of DecisionDx-SCC to help improve selection of BWH T2b patients for radiologic surveillance imaging based on their biological risk of metastasis, as provided by the test.
View video abstract here.
About DecisionDx-Melanoma

DecisionDx-Melanoma is a gene expression profile risk stratification test. It is designed to inform two clinical questions in the management of cutaneous melanoma: a patient’s individual risk of sentinel lymph node positivity and a patient’s personal risk of melanoma recurrence and/or metastasis. By integrating tumor biology with clinical and pathologic factors using a validated proprietary algorithm, DecisionDx-Melanoma is designed to provide a comprehensive and clinically actionable result to guide risk-aligned patient care. DecisionDx-Melanoma has been shown to be associated with improved patient survival and has been studied in more than 10,000 patient samples. DecisionDx-Melanoma’s clinical value is supported by more than 50 peer-reviewed and published studies, providing confidence in disease management plans that incorporate the test’s results. Through June 30, 2024, DecisionDx-Melanoma has been ordered more than 173,000 times for patients diagnosed with cutaneous melanoma. Learn more at www.CastleBiosciences.com.

About DecisionDx-SCC

DecisionDx-SCC is a 40-gene expression profile test that uses an individual patient’s tumor biology to stratify risk of metastasis in patients with cutaneous squamous cell carcinoma who have one or more NCCN high-risk factors. The test result, in which patients are stratified into a Class 1 (low), Class 2A (higher) or Class 2B (highest) risk category, predicts individual metastatic risk to inform risk-appropriate management and guide decision-making regarding the use of adjuvant radiation therapy. Peer-reviewed publications have demonstrated that DecisionDx-SCC is an independent predictor of metastatic risk and that the test can significantly improve risk-stratification when used with traditional staging systems and clinicopathologic risk factors to guide risk-aligned management and treatment decisions. Learn more at www.CastleBiosciences.com.

Nurix Therapeutics Presents Positive Results from the Ongoing Clinical Trial of Its BTK Degrader NX-5948 in Patients with Relapsed/Refractory Waldenstrom’s Macroglobulinemia

On October 19, 2024 Nurix Therapeutics, Inc. (Nasdaq: NRIX), a clinical stage biopharmaceutical company developing targeted protein modulation drugs designed to treat patients with cancer and inflammatory diseases, reported the presentation of clinical data from its ongoing Phase 1a/1b clinical trial of NX-5948, an orally bioavailable, brain penetrant degrader of Burton’s tyrosine kinase (BTK), in patients with relapsed/refractory Waldenstrom’s macroglobulinemia (WM) at the 12th International Workshop on Waldenstrom’s Macroglobulinemia (IWWM-12) which is being held in Prague, Czech Republic October 17–19, 2024 (Press release, Nurix Therapeutics, OCT 19, 2024, View Source [SID1234649113]).

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"We are encouraged by the emerging positive data from NX-5948 in patients with Waldenstrom’s macroglobulinemia, which add to the previously disclosed robust clinical activity observed in patients with chronic lymphocytic leukemia," said Paula G. O’Connor, M.D., chief medical officer of Nurix. "These data support our decision to advance NX-5948 into the ongoing Phase 1b expansion cohort in patients who have previously received at least one prior line of therapy including a BTK inhibitor and patients presenting with Bing-Neel syndrome, a rare form of WM with central nervous system involvement where NX-5948’s ability to penetrate the brain may offer a distinct advantage."

The data presented at IWWM-12 included previously reported safety findings for all patients in the Phase 1a dose escalation study treated with NX-5948 at doses ranging from 50 mg to 600 mg once daily by oral administration regardless of diagnosis (n=79) based on an April 17, 2024 data cut. NX-5948 demonstrated a tolerable safety profile, and the safety profile for patients with WM was consistent with the safety profile for the overall population (WM patient safety data not shown separately).

New data from an October 10, 2024 data cut include the baseline characteristics of the first 13 patients with WM enrolled across both the Phase 1a and Phase 1b portions of the trial, clinical response assessments in 9 response-evaluable patients, and duration on study for all 13 patients. Among the 13 WM patients, the median age was 74 years and the median number of prior lines of therapy was 3. All 13 patients previously had been treated with both BTK inhibitors (BTKi) and chemotherapy/chemo-immunotherapy. Three patients (23.1%) had received prior treatment with the non-covalent BTKi pirtobrutinib, and one patient (7.7%) had received prior treatment with a BCL2 inhibitor. Baseline mutation status in MYD88 and CXCR4 was captured from patient records, and eight patients (61.5%) had mutations in MYD88, and two patients (15.4%) had mutations in CXCR4. Among the nine patients who were evaluable for response, seven patients (77.8%) had an objective response and two patients experienced stable disease (22.2%). All seven responses were observed at the first assessment at 8 weeks, and five remain on treatment with two patients on treatment for longer than one year. Responses were observed in patients regardless of their baseline mutations in MYD88 and CXCR4.

Two illustrative cases studies of patients treated with NX-5948 were presented. The first case study is a patient with baseline MYD88 and CXCR4 mutations and four prior lines of therapy, including autologous bone marrow transplantation and ibrutinib, who demonstrated a rapid response observed at the first assessment and remained on study at the time of the October 10, 2024 data cut with greater than one year of treatment (currently in cycle 16; 28 days per cycle). NX-5948 treatment resulted in deepening of response over time as measured by reduction in serum IgM levels, a key biomarker of clinical response in WM patients. The second case study is a patient with baseline MYD88 mutation and three prior lines of treatment, having most recently progressed while on zanubrutinib. This patient also experienced a rapid response at the first assessment with decreasing IgM through treatment which was ongoing in cycle 15 at the time of the October 10, 2024 data cut.

The IWWM-1 presentation is available in the Scientific Resources section of Nurix website in the Posters and Presentations section.

About NX-5948
NX-5948 is an investigational, orally bioavailable, brain penetrant, small molecule degrader of BTK. NX-5948 is currently being evaluated in a Phase 1 clinical trial in patients with relapsed or refractory B cell malignancies. Nurix has previously reported that NX-5948 is highly potent against a range of tumor cell lines that are resistant to current BTK inhibitor therapies, an important consideration in heavily pretreated CLL/SLL patient populations. Additional information on the ongoing clinical trial can be accessed at clinicaltrials.gov (NCT05131022).

About Waldenstrom’s Macroglobulinemia
WM is a rare, slow growing type of non-Hodgkin’s lymphoma that is characterized by the replacement of normal bone marrow cells by malignant lymphocytic cells that produce monoclonal IgM. This replacement leads to anemia, bleeding, and impaired immune function, while the elevated IgM levels may cause neurologic symptoms. In the United States the annual incidence rate is approximately 3 per million or between 1,000 to 1,500 newly diagnosed patients per year. Recommended first-line treatments including chemoimmunotherapy and BTK inhibitor therapy. There are no therapies approved to treat patients after BTKi. Additional therapeutic options are needed.

REGiMMUNE and Kiji Therapeutics Announce Intention to merge

On ober 18, 2024 REGiMMUNE, the regulatory T cell targeting drugs for immunotherapy and Kiji Therapeutics, the specialist in Induced Pluripotent Stem Cells-Mesenchymal Stem Cells (IPSC-MSC) engineered cell therapies for inflammatory diseases, reported an intention to merge both companies (Press release, REGimmune, OCT 18, 2024, View Source [SID1234651585]). This merger will create the Treg specialist REGiMMUNE/Kiji TX. The merger will be subject to customary conditions and full final due diligence by both parties.

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The creation of the merged new company will combine the complimentary portfolio of platforms and therapies to create an international Treg biotech, and the leading company globally in modulating Treg function. Both companies have been focused on addressing unmet medical needs by the modulation of the Treg function. REGiMMUNE has been able to regulate the role of the Treg by using a molecule enhancer to increase Treg function, and monoclonal antibodies (depleter; inhibitor) to reduce the function of, or eliminate Tregs. Kiji can add an advanced, next generation multigene engineered stem cell therapy IL10 enhancer to increase Treg anti-autoimmune function.

The combination of these technologies will create an international specialist in Treg modulation and will focus on immune-oncology and autoimmunity. It will combine three diverse platforms, based on small molecules, monoclonal antibodies and cell and gene therapy. This will give REGiMMUNE/Kiji TX the ability to augment or reduce Treg function in vivo by downregulating Tregs in immune-oncology and upregulating Tregs in autoimmunity.

Commercially, REGiMMUNE/Kiji TX will prepare for an IPO with a listing in the Emerging Stock Market in Taiwan. Therapeutically, REGiMMUNE/Kiji TX will now initially focus its multiple target pipeline on 4 therapies. It will establish proof of concept with gene engineered mesenchymal stem cells (KJ01) in graft-versus-host disease (GvHD), and prepare for clinical entry in the second half of 2025, develop its iPSC platform (KJ02) for Inflammatory Bowel Disease (IBD), Psoriasis and CNS disorders, define clinical readiness with a Treg depleting/inhibiting monoclonal antibody (RGI6004) and advance clinical development with the launch of a phase III clinical trial with a clinical stage small molecule Treg enhancer targeting GvHD (RG2001). This will be developed for potential partnering activities.

The companies were brought together in discussions by the main REGiMMUNE shareholder, DCI Partner Co., Ltd. With high level executives based in Taiwan, Japan, Europe and the US, REGiMMUNE/Kiji TX will provide a global bridge for cell and gene therapy (CGT) development, and take advantage of the strong and growing interest in Southeast Asia, and specifically Taiwan for CGT.

The companies will be led by a highly experienced senior management team, with Miguel Forte as CEO and Kenzo Kosuda as co-CEO. Miguel Forte will contribute his extensive experience and network as the current President of leading global CGT association, the International Society for Cell & Gene Therapy (ISCT) and Alliance for Regenerative Medicine (ARM) board and executive committee member. Kenzo Kosuda brings extensive financial and management expertise together with East Asia experience. Tony Ting will be chief scientific officer, Ping Chung will be chief technology officer, TsungYen Wu will be chief business officer and Steve Yang will be chief operating officer.

"Tregs have proved themselves to be a leading promising modality in the cell and gene therapy field, both therapeutically and commercially. As a result of this potential, we have collectively created a global Treg specialist super-company to realize this potential," said Miguel Forte, CEO, Kiji TX. "We will also be able to combine several fields, including small molecule, CGT and monoclonal antibodies to use Tregs to their full potential. These approaches are off-the-shelf and allogeneic, with a competitive advantage over autologous or patient matched Treg approaches currently in development in the sector. The new company now has a variety of options, including an IPO by mid-2025 in the Taiwan Stock Exchange. This will enable REGiMMUNE/Kiji TX to develop our multiple therapeutic pipeline in–house, as well as partnering for co-development or out-licensing."

"Modulating Treg function in both directions has significant potential in a variety of conditions with major commercial benefits. Creating the new Treg specialist REGiMMUNE/Kiji TX will result in a company that will have the resources to achieve this potential. With a planned IPO in 2025, we will be able to combine leading modalities to develop therapies for conditions involving significant numbers of patients globally," said Kenzo Kosuda, CEO, REGiMMUNE. "The global reach of the company and experience of the senior management also enables us to explore development across the globe to match the therapeutic potential and size of the market that is open to us."

Zai Lab Announces Participation in November and December Investor Conferences

On October 18, 2024 Zai Lab Limited (NASDAQ: ZLAB; HKEX: 9688) reported that members of the Company’s senior management team will participate in the following investor conferences in November and December 2024 (Press release, Zai Laboratory, OCT 18, 2024, View Source [SID1234647273]):

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Goldman Sachs APAC Healthcare Corporate Day 2024
Time: November 5-8, 2024
Location: Hong Kong, Hong Kong

Jefferies London Healthcare Conference
Fireside Chat: Tuesday, November 19, 2024,1:30 p.m. GT
Location: Aldwych, London

Citi’s 2024 Global Healthcare Conference
Time: December 3-5, 2024
Location: Miami, Florida