On September 16, 2024 ScaleReady and Bio-Techne Corporation (NASDAQ: TECH) reported the launch of the G-Rex optimized ProPakTM GMP Cytokines, ideally tailored to high efficiency closed system cell and gene-modified cell therapy (CGT) manufacturing (Press release, Bio-Techne, SEP 16, 2024, View Source [SID1234646664]).

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The ProPakTM GMP Cytokine product consists of a weldable bag filled with liquid formulated GMP-grade cytokines, specifically interleukin-7 (IL-7) or interleukin-15 (IL-15), commonly used in the ex vivo manufacturing of CAR-T and TCR-T cells. The quantity of IL-7 and IL-15 contained in each ProPakTM is sufficient to dose a one (1) liter G-Rex bioreactor at the recommended 10ng/mL concentration. The use of ProPak GMP cytokines will enable manufacturers of CAR-T and TCR-T cell therapies to reduce operating costs and complexity by dramatically simplifying the process of acquiring, storing, preparing, and administering these critical reagents for use in cGMP manufacturing.

"Bio-Techne is deeply committed to highly efficient manufacture of lifesaving cell and gene-modified cell therapies," said Will Geist, President (Protein Sciences) at Bio-Techne Corporation. "ProPakTM GMP Cytokines were optimized for use with the leading G-Rex platform by providing the precise quantity of cytokines needed for highly simplified closed system expansion of CAR-T and TCR-T cell drug products with excellent cell characteristics."

"The G-Rex optimized ProPakTM GMP Cytokine is a differentiated product as it is uniquely designed to enable users of G-Rex to manufacture CAR-T and TCR-T drug products with far more simplicity than is possible with any other cytokine vendor," said Josh Ludwig, Global Commercial Director at ScaleReady. "It eliminates the need for cytokine reconstitution and all of the related headaches in favor of a hands-off ballroom style G-Rex manufacturing approach.

"With the incredible response to our G-Rex Grant Program moving G-Rex into the majority of CGT clinical trials, the G-Rex optimized ProPak is the perfect next step in G-Rex manufacturing simplicity. Grant applicant or not, we will help every G-Rex user cost effectively perform comparability studies to integrate the ProPak GMP Cytokines," concluded Josh Ludwig.

Parties interested in learning more and/or evaluating the ProPakTM GMP Cytokines can reach out to [email protected].

On September 16, 2024 UroGen Pharma Ltd. (Nasdaq: URGN), a biotech company dedicated to developing and commercializing innovative solutions that treat urothelial and specialty cancers, reported that it has received a Notice of Allowance from the United States Patent and Trademark Office (USPTO) for patent application no. 18/535,108 entitled "Material and Method for Treating Cancer (Press release, UroGen Pharma, SEP 16, 2024, View Source [SID1234646663])."

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The allowed claims relate to the combination of UroGen’s RTGel technology with medac’s licensed proprietary lyophilized mitomycin formulation and cover the use of UroGen’s UGN-103 and UGN-104 development programs in the treatment of low-grade intermediate-risk non-muscle invasive bladder cancer (LG-IR-NMIBC) and low-grade upper tract urothelial cancer (LG-UTUC), respectively. The U.S. patent, once issued, will have an expiration date in December 2041.

"Allowance of this patent application strengthens our intellectual property position for our next-generation investigational programs for patients with urothelial cancers," said Liz Barrett, President and CEO of UroGen. "We believe that the combination of UroGen’s RTGel technology with medac’s patent-protected lyophilized mitomycin has the potential to provide advantages related to production, cost, supply, and product convenience for patients. Our vision remains to develop innovative medicines that advance the care of patients, and this patent allowance is a key element of our strategy to build a long-term growth company."

In January 2024, UroGen entered into a licensing and supply agreement with medac to develop UGN-103 for LG-IR-NMIBC and UGN-104 for LG-UTUC. In April 2024, the FDA accepted UroGen’s IND application for UGN-103 and the company is currently onboarding clinical sites for the study. The company anticipates commencing a similar study for UGN-104, which is expected in early 2025.

About UGN-102

UGN-102 (mitomycin) for intravesical solution is an innovative drug formulation of mitomycin, currently in Phase 3 development for the treatment of LG-IR-NMIBC. Utilizing UroGen’s proprietary RTGel technology, a sustained release, hydrogel-based formulation, UGN-102 is designed to enable longer exposure of bladder tissue to mitomycin, thereby enabling the treatment of tumors by non-surgical means. UGN-102 is delivered to patients using a standard urinary catheter in an outpatient setting by a trained healthcare professional. UroGen completed the NDA submission for UGN-102 in August 2024, ahead of schedule. UroGen anticipates potential FDA approval in early 2025 if the NDA is accepted for filing by the FDA and priority review is granted.

About UGN-103 and UGN-104

UGN-103 and UGN-104 are innovative mitomycin formulations in development by UroGen for the treatment of LG-IR-NMIBC and LG-UTUC, respectively. UGN-103 aims to streamline manufacturing and reconstitution processes while providing intellectual property coverage until December 2041; it utilizes UroGen’s RTGel technology for prolonged mitomycin exposure. UGN-104, also leveraging RTGel technology, is designed for treating low-grade upper tract urothelial cancer and is anticipated to enter Phase 3 trials in early 2025, offering a non-surgical treatment option with similar intellectual property protection.

On September 16, 2024 Ribometrix, a biotechnology company developing small molecule therapeutics that modulate RNA biology, reported the latest data from its eIF4E program at the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) Congress, taking place in Barcelona, Spain, September 13-17 (Press release, Ribometrix, SEP 16, 2024, View Source [SID1234646662]). The poster presentation reviews in vitro and in vivo studies of a small molecule eIF4E inhibitor, RBX-6610, as a potential treatment for KRASG12C mutant non-small cell lung cancer (NSCLC). Acquired resistance is observed in most patients treated with the two approved therapies for KRASG12C mutant NSCLC, creating a significant opportunity for a therapy that re-sensitizes tumors to KRAS inhibition. Ribometrix’s data supports RBX-6610’s ability to deliver this mechanism in combination with the approved therapies.

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"In less than three years, Ribometrix has advanced its eIF4E program from concept to a lead molecule that has just completed non-GLP toxicology studies," stated Michael Solomon, CEO of Ribometrix, Inc. "The program is a testament to Ribometrix drug discovery capabilities, and the commitment and professionalism of the Ribometrix team. We look forward to moving this program forward into the clinic in collaboration with a partner who shares our vision of its potential to benefit patients, via its novel mechanism of action."

"These data further evidence the broad potential of eIF4E inhibition in multiple tumor types, particularly in combination as a re-sensitizing agent. We have further validated the mechanism of action and characterized the synergistic benefit of RBX-6610, our most advanced eIF4E inhibitor," said Jessica Sorrentino, Ph.D., SVP of Translational Medicine. "RBX-6610 is progressing towards the clinic and we see significant promise for its inclusion with the standard-of-care for both naïve and treatment resistant NSCLC patients, especially whose tumors have KRAS mutations."

Key highlights:

RBX-6610 demonstrated consistent anti-proliferative effects in KRASG12C mutant tumor cell lines, in both treatment-naïve lines and those with acquired resistance.
Additionally, the combined in vitro effects of co-treatment of RBX-6610 with KRAS inhibitors were synergistic, such that the proliferative inhibitory effects were greater than the sum of either treatment alone. Mechanistically, this was due to an induction of apoptosis, specific to co-treatment in treatment-naïve tumor cells as well as cells resistant to KRAS inhibitors. This synergistic phenotype was observed with both approved KRAS inhibitors, as well as investigational RAS inhibitors.
Daily oral RBX-6610 monotherapy led to substantial tumor growth inhibition in both treatment naïve and resistant KRASG12C NSCLC xenograft model (75% vs 71% TGI, respectively), corroborating the anti-proliferative effects seen in vitro.
In combination with sotorasib, an approved KRAS inhibitor, daily oral treatment with RBX-6610 led to significant tumor regression and improved survival in both the treatment-naïve and sotorasib resistant setting (34% and 49% mean tumor regression respectively). No toxicity was observed in up to 35 days of daily oral treatment across all cohorts.
In vitro data demonstrated improved selectivity of cap dependent translation inhibition by RBX-6610 relative to other translation inhibitors including zotatifin, an eIF4A inhibitor.
Ribometrix continues to generate data demonstrating the multi-tumor therapeutic potential of eIF4E inhibition. Studies in melanoma and breast cancer were presented at the Society for Melanoma Research and the San Antonio Breast Cancer Symposium in 2023, and data across melanoma, colorectal, breast, and non-small cell lung cancer were presented at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting in 2024. Data have repeatedly included support for both monotherapy and combination regimens as well as the potential to re-sensitize to standard-of-care treatments.

The ESMO (Free ESMO Whitepaper) poster is now available to view on the "Publications" page of Ribometrix’s website.

About eIF4E

Eukaryotic translation initiation factor 4E (eIF4E) is a crucial regulatory component of mRNA translation and well-documented driver of oncogenesis. Clinically, eIF4E activity is elevated in many tumor indications and it is typically associated with poor prognosis. Targeting eIF4E has the potential to enhance anti-cancer activity when given in combination with standard-of-care. Additionally, eIF4E inhibition has the potential to overcome drug resistance and re-sensitize tumors to anti-cancer therapies. Based on substantial external and in-house data, Ribometrix is developing eIF4E inhibitors as a promising combination therapy approach and treatment for treatment-resistant tumors.

On September 16, 2024 PDS Biotechnology Corporation (Nasdaq: PDSB) ("PDS Biotech" or the "Company"), a late-stage immunotherapy company focused on transforming how the immune system targets and kills cancers and the development of infectious disease vaccines, reported updated data from the VERSATILE-002 trial evaluating Versamune HPV (formerly PDS0101) in combination with KEYTRUDA (pembrolizumab) as a first-line (1L) treatment for patients with HPV16-positive recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HNSCC) (Press release, PDS Biotechnology, SEP 16, 2024, View Source [SID1234646661]). The data were presented during a poster session on September 14 at the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) Congress 2024 in Barcelona, Spain.

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As of the latest data cut of the VERSATILE-002 single-arm, Phase 2 trial on May 17, 2024, Versamune HPV plus pembrolizumab continued to be well tolerated in this 1L R/M HPV16-positive HNSCC population. Enrollment in the trial (n=53) is complete, 10 patients remain on study treatment and 27 patients (including the 10 on treatment) continue to be followed for survival. Median patient follow-up is 16 months. The data demonstrated the following:

•
Median Overall Survival (mOS) was 30 months with a lower 95% confidence interval of 19.7 months; Published mOS for pembrolizumab is 12-18 months1,2

•
Objective Response Rate (ORR) of 36% (19/53); Published ORR for pembrolizumab is 19-25%1,2

•
Disease Control Rate (DCR) is 77% (41/53)

•
21% (11/53) of patients had deep tumor responses and shrinkage of 90-100%

•
9% (5/53) of patients had a complete response

•
Treatment-related adverse events of Grade ≥3 were seen in 9 patients (Grade 3, n=8 and Grade 4, n=1)

"The updated response data we presented at ESMO (Free ESMO Whitepaper) show the strong clinical activity and durability of Versamune HPV plus pembrolizumab," said Jared Weiss, M.D., Section Chief of Thoracic and Head/Neck Oncology, Professor of Medicine at the University of North Carolina, and principal investigator of the VERSATILE-002 clinical trial. "Continued evaluation shows the promise of this combination in improving survival for patients with HPV16-positive HNSCC."

A global, randomized, controlled Phase 3 clinical trial, VERSATILE-003, that will evaluate Versamune HPV plus pembrolizumab vs. pembrolizumab monotherapy as 1L treatment in patients with HPV16-positive R/M HNSCC with CPS ≥1 is planned to start this year.

"We’re encouraged to see that as the data from our VERSATILE-002 clinical trial have matured, responses continue to improve, suggesting durability of the Versamune HPV induced anti-tumor immune response," said Dr. Kirk Shepard, M.D., Chief Medical Officer of PDS Biotech. "The encouraging patient survival and clinical responses coupled with promising tolerability as seen in the VERSATILE-002 trial underscore our belief in the potential of the combination to be the first HPV-targeted immunotherapy for HNSCC, and a significant advancement in the treatment of the growing population of patients with HPV16-positive HNSCC. We are working toward initiating the VERSATILE-003 Phase 3 study this year."

Versamune HPV has been granted Fast Track designation by the FDA.

1.
Harrington K. et al. J Clin Oncol. 2022 ascopubs.org/journal/jco on October 11, 2022: DOI View Source

2.
Licitra L. et al. 2024, International Journal of Radiation Oncology Volume 118, Issue 5e2-e3April 01
No head-to-head studies have been performed comparing Versamune HPV with other treatments

On September 14, 2024 NuCana plc (NASDAQ: NCNA) reported final data from the Phase 2 NuTide:701 study at the ESMO (Free ESMO Whitepaper) Congress on NUC-7738 in combination with pembrolizumab for patients with metastatic melanoma who were refractory to or had relapsed on prior PD-1 inhibitor therapy (Press release, Nucana, SEP 16, 2024, View Source [SID1234646660]).

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In this cohort of 12 patients, most of whom had received at least two prior lines of PD-1 inhibitor therapy, nine (75%) achieved disease control, including two patients who achieved Partial Responses. One of these patients, who had received two prior lines of PD-1 inhibitor-based therapy and had progressed on their latest treatment of ipilimumab plus nivolumab within two months, achieved a 55% reduction in tumor volume. Seven of the 12 patients had a progression free survival time of greater than five months, which is highly atypical in this patient population. In addition to achieving these encouraging efficacy signals, the combination of NUC-7738 and pembrolizumab had a favorable safety profile.

NUC-7738’s ability to sensitize PD-1 resistant tumors to rechallenge with PD-1 inhibitors is believed to be due to its ability to target multiple aspects of the tumor microenvironment (TME) via the disruption of RNA polyadenylation and subsequent changes to gene expression in cancer cells. In support of this hypothesis, data presented from tumor biopsies obtained before and after NUC-7738 based treatment demonstrated increases in genes related to antigen presentation and T-cell activation.

Hugh S. Griffith, NuCana’s Founder and Chief Executive Officer said: "We are very excited to share these data on NUC-7738 in combination with pembrolizumab in PD-1 inhibitor refractory and resistant patients with melanoma. Outcomes in this patient population are very poor, with median progression free survival of 2-3 months with the current standard of care, so we are very encouraged that the majority of patients who received this combination achieved a progression free survival of more than five months."

Mr. Griffith continued: "The translational data that has been generated in this study and in previous non-clinical studies give us confidence that the effects we are seeing are a result of NUC-7738 making previously resistant tumors sensitive to rechallenge with PD-1 inhibitors by targeting multiple aspects of the tumor microenvironment. Our data on NUC-7738 obtained in other tumor types indicate that this phenomenon is not restricted to melanoma and that NUC-7738 may have the ability to sensitize other PD-1 inhibitor resistant tumor types. We look forward to sharing our development plans for NUC-7738 in the near future."