On August 14, 2024 UroGen Pharma Ltd. (Nasdaq: URGN), a leading biotech company specializing in novel therapies for urothelial and specialty cancers, reported the successful completion of its New Drug Application (NDA) submission for investigational drug UGN-102, (mitomycin) for intravesical solution, a significant step forward in potentially addressing the urgent need for innovative treatments for low-grade intermediate-risk non-muscle invasive bladder cancer (LG-IR-NMIBC) (Press release, UroGen Pharma, AUG 14, 2024, View Source [SID1234645930]). UroGen anticipates potential FDA approval in early 2025, if the NDA is accepted for filing by the FDA and priority review is granted.

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"The completion of the NDA submission for UGN-102 marks a crucial milestone for UroGen and underscores our dedication to advancing this groundbreaking treatment for patients with LG-IR-NMIBC," said Liz Barrett, President and CEO of UroGen. "By providing a viable alternative to repeated surgeries, if approved UGN-102 may offer patients quality of life benefits and clinically meaningful recurrence-free intervals. The high recurrence rates associated with LG-IR-NMIBC make the need for innovative therapies like UGN-102 urgent. UGN-102 could become a valuable new option for managing this challenging disease."

The NDA is supported by the clinical program for UGN-102, including the long-term durability results from the Phase 3 ENVISION study. The ENVISION trial met its primary endpoint by demonstrating that patients treated with UGN-102 had a 79.6% complete response (CR) rate at three months following the first instillation. UGN-102 demonstrated an 82.3% 12-month duration of response (DOR) by Kaplan-Meier estimate (n=108) in patients who achieved a CR at three months. The DOR estimates at 15 (n=43) and 18 (n=9) months after 3-month CR were both 80.9%.

The most common treatment-emergent adverse events (TEAEs) in the ENVISION trial were dysuria, hematuria, urinary tract infection, pollakiuria, fatigue, and urinary retention. TEAEs were typically mild-to-moderate in severity and resolved or resolving. The ENVISION trial demonstrated a similar safety profile to that observed in other studies of UGN-102.

For more information and perspective on the ENVISION study results and the unmet need for patients with LG-IR-NMIBC click here to view the webcast: UGN-102 12-Month Durability of Response Data Event.

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.

About Non-Muscle Invasive Bladder Cancer (NMIBC)

In the U.S. bladder cancer is the second most common urologic cancer in men. LG-IR-NMIBC represents approximately 22,000 newly diagnosed bladder cancer patients each year and an estimated 60,000 recurrences annually among patients diagnosed from previous years. Bladder cancer primarily affects older populations with the median age of diagnosis 73 years and an increased risk of comorbidities. Guideline recommendations for the management of NMIBC include TURBT as the standard of care. Up to 70 percent of NMIBC patients experience at least one recurrence and LG-IR-NMIBC patients are even more likely to recur and face repeated TURBT procedures.

About ENVISION

The Phase 3 ENVISION trial is a single-arm, multinational, multicenter study evaluating the efficacy and safety of UGN-102 (mitomycin) for intravesical solution as chemoablative therapy in patients with LG-IR-NMIBC. The Phase 3 ENVISION trial completed target enrollment with approximately 240 patients across 56 sites. Study participants received six once-weekly intravesical instillations of UGN-102. The primary endpoint evaluated the CR rate at the three-month assessment after the first instillation, and the key secondary endpoint evaluated durability over time in patients who achieved a CR at the three-month assessment. Learn more about the Phase 3 ENVISION trial at www.clinicaltrials.gov (NCT05243550).

On August 14, 2024 Sonnet BioTherapeutics Holdings, Inc. (the "Company" or "Sonnet") (NASDAQ: SONN), a clinical-stage company developing targeted immunotherapeutic drugs, reported financial results for the three and nine months ended June 30, 2024 and provided a corporate update (Press release, Sonnet BioTherapeutics, AUG 14, 2024, View Source [SID1234645929]).

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"We continue to be encouraged with the data generated by our lead program SON-1010. While preliminary, demonstrating evidence of clinical benefit at 4 months in 35% of evaluable patients in both of our ongoing studies of SON-1010 represents a significant opportunity to help patients with PROC and address an indication in desperate need of innovative therapies," commented Pankaj Mohan, Ph.D., Founder and CEO of Sonnet. "Additionally, we are actively working to identify a partner to help advance our SON-080 program through the next phases of development and potentially address a significant unmet need in diabetic peripheral neuropathy."

Recent Highlights

● Reported encouraging data from Phase 1b/2a clinical trial of SON-080 in Chemotherapy-Induced Peripheral Neuropathy (CIPN) that support advancement into Phase 2 study;
● Announced the exercise of warrants for $3.4 million in gross proceeds;
● Announced the generation and in vitro characterization of two novel drug candidates, SON-1411 (IL18-FHAB-IL12) and SON-1400 (IL18-FHAB), each containing a modified version of recombinant human interleukin-18 (IL-18);
● Presented the SB221 study of SON-1010 (recombinant human Interleukin-12 linked to Sonnet’s fully-human albumin binding domain or IL12-FHAB) dosed in combination with atezolizumab (Tecentriq) in a ‘Trial in Progress’ poster at the ASCO (Free ASCO Whitepaper) Annual Meeting in June 2024; and
● Announced updated clinical data for SON-1010 as monotherapy or combined with atezolizumab, an anti-PD-L1 antibody, along with an increase in the dose-escalation target.

Patent Update

● On June 11, 2024, the U.S. Patent and Trademark Office (USPTO) granted patent No. 12,006,361, titled, "Albumin Binding Domain Fusion Proteins," covering composition of matter for product candidate SON-1210, the Company’s proprietary, bifunctional version of human Interleukins 12 (IL-12) and 15 (IL-15), configured using Sonnet’s Fully Human Albumin Binding (FHAB) platform. The granted patent is a Continuation of Patent No. 11,028,166 issued in June 2021.

"We remain committed to strengthening the intellectual property portfolio for our FHAB enabling technology platform and are pleased to further expand our patent estate in this key territory for Sonnet with this granted U.S. patent for SON-1210, our dual-targeting cytokine. We believe that including SON-1210 in our unique platform may create a next generation cancer treatment that can enhance patients’ own immune systems to fight cancer. We look forward to identifying a development pathway through a collaboration for the continued advancement of SON-1210 and offering patients with cancer a much needed therapeutic option," added Pankaj Mohan, Ph.D., Founder and CEO of Sonnet.

Lead Clinical Programs Update

SON-1010: Targeted Immune Activation Cancer Therapy, Turning ‘Cold’ Tumors ‘Hot’ Initially Targeting Solid Tumors and Platinum-Resistant Ovarian Cancer (PROC)

Phase 1 Trial (SB101 Trial): Solid Tumors (Monotherapy)

This first-in-human study is primarily designed to evaluate the safety of multiple ascending doses of SON-1010 in cancer patients and is being conducted at several sites across the United States.

For more information about the SB101 clinical trial, visit clinicaltrials.gov and reference identifier NCT05352750.

Phase 1b/2a Trial (SB221 Trial): PROC (Combo with Atezolizumab)

The second trial is a global Phase 1b/2a multicenter, dose-escalation and randomized proof-of-concept study to assess the safety, tolerability, PK, PD, and efficacy of SON-1010 administered subcutaneously (SC) in combination with atezolizumab given intravenously (IV).

For more information about the SB221 clinical trial, visit clinicaltrials.gov and reference identifier NCT05756907.

SON-1010 Program Highlights:

● PK data reveals about 10-fold extended half-life for SON-1010 compared with rhIL-12 and suggests tumor targeting by the FHAB.
● Dose-related IFNγ response.
● The SB101 trial and the SB221 trial have collectively enrolled 61 subjects, with 8 of 23 patients (35%) with cancer suggesting clinical benefit of SON-1010 (Stable Disease at 4 months).
● Patients have received up to 25 cycles of SON-1010 as monotherapy and up to 10 cycles of SON-1010 with atezolizumab (Tecentriq) without dose-limiting toxicity at any dose level.
● Toxicity is minimized in both trials with the use of a ‘desensitizing’ first dose that takes advantage of the known tachyphylaxis with rhIL-12, which allows higher maintenance doses and potential improvements in efficacy.
● Favorable safety profile.

SON-1010 Upcoming Milestones

● Phase 1: Solid Tumors (Monotherapy)

○ 2H 2024: Safety Data
○ 1H 2025: Topline Efficacy Data

● Phase 1b/2a: PROC (Combo with Atezolizumab)

○ 2H 2024: Additional Safety Data
○ 2H 2025: RP2D & Topline Efficacy Data

SON-080: Low dose of rhIL-6 for Chemotherapy-Induced Peripheral Neuropathy (CIPN) and Diabetic Peripheral Neuropathy (DPN)

Phase 1b/2a Trial (SB211 Trial): Chemotherapy Induced Peripheral Neuropathy (CIPN)

The SB211 study is a double-blind, randomized, controlled trial of SON-080 conducted at two sites in Australia in patients with persistent CIPN using a new proprietary version of recombinant human Interleukin-6 (rhIL-6) that builds upon previous work with atexakin alfa. The goal of the Phase 1b portion of the SB211 study was to confirm safety and tolerability before continued development in Phase 2. As previously announced in March 2024, a data and safety monitoring board reviewed the unblinded safety and tolerability of SON-080 in the first nine patients and concluded that the symptoms were tolerable in the initial patients and the study could proceed to Phase 2.

Phase 1b Data Highlights:

● SON-080 demonstrated to be well-tolerated at both 20 µg and 60 µg/dose, which was about 10-fold lower than the maximum tolerated dose (MTD) for IL-6 that was established in previous clinical evaluations.
● Pain and quality of life survey results suggest the potential for rapid improvement of peripheral neuropathy symptoms and post-dosing durability with both doses, compared to placebo controls.

For more information about the SB211 study, visit clinicaltrials.gov and reference identifier NCT05435742.

SON-080 Upcoming Milestones

● Seeking partnership to support initiation of a Phase 2 clinical trial in DPN, a mechanistically synergistic and larger, high-value indication with unmet medical need.

Summary of Financial Results for the Third Quarter 2024

As of June 30, 2024, Sonnet had $3.6 million cash on hand, which the Company believes is sufficient to fund operations into November 2024.

Research and development expenses were $1.7 million for the three months ended June 30, 2024, compared to $2.4 million for the three months ended June 30, 2023. The decrease of $0.7 million was primarily due to cost saving initiatives, as the Company is managing expenses for liquidity purposes and is tightening its focus on the research and development projects it has assessed to have the greatest near-term potential. In addition to transitioning product development activities to cost advantaged locations such as India and Australia, the Company has reduced expenditures on tertiary programs and suspended antiviral development related to SON-1010, as well as programs related to SON-080 and SON-1210 while it seeks potential partnering opportunities.

General and administrative expenses were $1.8 million for the three months ended June 30, 2024, compared to $1.5 million for the three months ended June 30, 2023. The increase of $0.3 million related primarily to costs incurred in connection with the May 2024 ChEF Purchase Agreement entered into with Chardan Capital Markets LLC and an increase in legal and professional expenses and franchise taxes, partially offset by a decrease in consulting expenses related to licensing.

On August 14, 2024 Pyxis Oncology, Inc. (Nasdaq: PYXS), a clinical stage company focused on developing next generation therapeutics to target difficult-to-treat cancers, reported financial results for the second quarter ended June 30, 2024, and provided a corporate update (Press release, Pyxis Oncology, AUG 14, 2024, View Source [SID1234645928]). The Company ended the second quarter of 2024 with $157.2 million in cash, cash equivalents, restricted cash and short-term investments, which is expected to provide cash runway into the second half of 2026 and enable the Company to fund the next phase of PYX-201 clinical development, which the Company plans to announce in the fall of 2024.

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"I’m thrilled with our team’s continued operational and clinical execution prowess that keeps us on track to deliver preliminary data from our ongoing Phase 1 trial of PYX-201, a first-in-concept tumor stroma targeting antibody-drug conjugate (ADC) against the stromal Extradomain-B Fibronectin (EDB+FN) target, this fall," said Lara S. Sullivan, M.D., President and Chief Executive Officer of Pyxis Oncology.

Dr. Sullivan added, "To date, we have dosed 72 subjects in the PYX-201 dose escalation study with a continued focus on head and neck squamous cell carcinoma (HNSCC), non-small cell lung cancer (NSCLC), ovarian cancer, soft tissue sarcoma, and pancreatic ductal adenocarcinoma cancer (PDAC) based on an assessment of factors including immunohistochemistry target expression, stromal volume, unmet medical need, and clinical investigator judgment. PYX-201 safety data observed to date continues to support go-forward monotherapy and potential combination clinical development strategies, both of which we believe could have the potential to provide additional treatment options to patients with difficult-to treat-cancers."

Recent Clinical Program Updates

PYX-201

PYX-201, an ADC that uniquely targets EDB+FN within the tumor stroma, is the Company’s lead clinical program being evaluated in an ongoing Phase 1 trial in multiple types of solid tumors.

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To date, 72 subjects have been dosed with PYX-201 in this Phase 1 trial. Dose escalation and safety monitoring remain ongoing for the trial.

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The Company expects to announce preliminary data from the Phase 1 trial of PYX-201, including efficacy, safety, pharmacokinetics (PK), and provide an update on future development plans in the fall of 2024.

PYX-106

PYX-106, a fully human Siglec-15-targeting antibody designed to block suppression of T-cell proliferation and function, is being evaluated in ongoing Phase 1 clinical studies in multiple types of solid tumors.

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Dose escalation of PYX-106 and safety monitoring is ongoing with 33 subjects dosed to date in the Phase 1 trial.

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The Company expects to report preliminary data from the Phase 1 trial of PYX-106, including PK/pharmacodynamic results, by year-end 2024.

Second Quarter 2024 Financial Results

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As of June 30, 2024, Pyxis Oncology had cash and cash equivalents, including restricted cash and short-term investments of $157.2 million. The Company believes that its current cash, cash equivalents, and short-term investments will be sufficient to fund its operations into the second half of 2026, including the Company’s current projections for PYX-201’s next phase of clinical development.

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Research and development expenses were $13.9 million for the quarter ended June 30, 2024, compared to $11.4 million for the quarter ended June 30, 2023. The period-over-period increase was primarily due to increased clinical trial-related expenses, including manufacturing of drug product and drug substance for our ongoing Phase 1 clinical trials of PYX-201 and PYX-106.

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General and administrative expenses were $6.1 million for the quarter ended June 30, 2024, compared to $6.7 million for the quarter ended June 30, 2023. The period-over-period decline was primarily due to lower professional and consultant fees.

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Net loss was $17.3 million, or ($0.29) per common share, for the quarter ended June 30, 2024, compared to $15.9 million, or ($0.41) per common share, for the quarter ended June 30, 2023. Net losses for the quarters ended June 30, 2024 and 2023 included $2.9 million and $3.7 million, respectively, related to non-cash stock-based compensation expense.

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As of August 14, 2024, the outstanding number of shares of common stock of Pyxis Oncology was 58,942,243.

On August 14, 2024 Propanc Biopharma, Inc. (OTC Pink: PPCB) ("Propanc" or the "Company"), a biopharmaceutical company developing novel cancer treatments for patients suffering from recurring and metastatic cancer, reported that allowance for the Company’s "proenzyme composition" patent was received from the Canadian Intellectual Property Office (CIPO) (Press release, Propanc, AUG 14, 2024, View Source [SID1234645927]). The patent broadly captures both high dose and high ratio claims for future clinical doses of the company’s lead asset, PRP. This is the second Canadian patent either allowed or granted in this important North American jurisdiction. Currently, the Company’s intellectual property portfolio consists of 93 patents filed in major jurisdictions relating to the use of PRP against solid tumors.

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The proenzymes composition patent is an important part of the IP portfolio covering possible future clinical dosage ranges for PRP, as the Company advances to a Phase 1, First-In-Human (FIH) study in advanced cancer patients suffering from solid tumors. The patent has been granted in major jurisdictions such as Europe, Japan and South East Asia, and is currently under examination in the United States. PRP is targeting the global metastatic cancer treatment market, projected to be worth US$111.2 Billion by 2027, according to current analysis by Emergen Research.

"We continue to grow our intellectual property portfolio in key global jurisdictions," said Mr. James Nathanielsz, Propanc’s Chief Executive Officer. "Our lead asset, PRP, is a novel method to prevent and treat metastatic cancer from solid tumors, but without the severe, or even serious side effects normally associated with standard therapies. The proenzymes composition patent will cover future PRP clinical doses as a welcome addition to the treatment process, such as when resistant tumors could be pretreated by PRP, as a chemo-sensitizing agent. This practical application of our patent portfolio provides a strong indication of our commercial embodiment for future licensing partners, which we believe can potentially revolutionize the way we treat metastatic cancer from solid tumors. Today, metastatic cancer remains the main cause of patient death for sufferers. We look forward to updating our shareholders as we progress."

About PRP:

PRP is a mixture of two proenzymes, trypsinogen and chymotrypsinogen from bovine pancreas, administered by intravenous injection. A synergistic ratio of 1:6 inhibits growth of most tumor cells. Examples include pancreatic, ovarian, kidney, breast, brain, prostate, colorectal, lung, liver, uterine, and skin cancers. Orphan Drug Designation status of PRP has been granted from the US Food and Drug Administration (FDA) for treatment of pancreatic cancer.

To view the Company’s "Mechanism of Action" video on the Company’s lead asset, PRP, please click on the following link: View Source

On August 14, 2024 Precigen, Inc. (Nasdaq: PGEN), a biopharmaceutical company specializing in the development of innovative gene and cell therapies to improve the lives of patients, reported second quarter and first half 2024 financial results and business updates (Press release, Precigen, AUG 14, 2024, View Source [SID1234645926]).

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"We are all in on PRGN-2012 given the immense unmet need for RRP patients and our groundbreaking pivotal data supporting the potential of what we hope to be the first-ever FDA approved therapy to treat RRP," said Helen Sabzevari, PhD, President and CEO of Precigen. "By strategically focusing our portfolio, streamlining resources and recent public offering, we have optimized the company to rapidly prepare for submission of a rolling biologics license application under an accelerated approval pathway. We are excited to have initiated enrollment in the confirmatory clinical trial and will continue to accelerate our commercial readiness campaign for a potential launch in 2025 under the leadership of our newly hired Chief Commercial Officer. Additionally, we plan to maximize portfolio value by focusing on strategic partnerships to further advance our highly promising UltraCAR-T programs."

"Our recent reprioritization and public offering is expected to fund our operations into early 2025 allowing us to focus on advancement of PRGN-2012 while continuing to explore potential non-dilutive financing opportunities for future liquidity," said Harry Thomasian Jr., CFO of Precigen.

Key Program Highlights

· PRGN-2012 AdenoVerse Gene Therapy in RRP: PRGN-2012 is an investigational off-the-shelf AdenoVerse gene therapy designed to elicit immune responses directed against cells infected with human papillomavirus (HPV) 6 or HPV 11 for the treatment of recurrent respiratory papillomatosis (RRP). PRGN-2012 received Breakthrough Therapy Designation from the US Food and Drug Administration (FDA). PRGN-2012 also received Orphan Drug Designation from the FDA and Orphan Drug Designation from the European Commission.

o Results from the pivotal clinical study of PRGN-2012 for the treatment of RRP were presented at the 2024 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) annual meeting in a late-breaking oral presentation titled, "PRGN-2012, a novel gorilla adenovirus-based immunotherapy, provides the first treatment that leads to complete and durable responses in recurrent respiratory papillomatosis patients."

§ Pivotal study met primary safety and efficacy endpoints.

§ 51% (18 out of 35) of patients achieved Complete Response, requiring no surgeries after treatment with PRGN-2012; Complete Responses have been durable beyond 12 months with median duration of follow up of 20 months as of the May 20, 2024 data cutoff.

§ 86% of patients (30 out of 35) had a decrease in surgical interventions in the year after PRGN-2012 treatment compared to the year prior to treatment; RRP surgeries reduced from a median of 4 (range: 3-10) pre-treatment to 0 (range: 0-7) post-treatment.

§ PRGN-2012 was well-tolerated with no dose-limiting toxicities and no treatment-related adverse events greater than Grade 2.

§ PRGN-2012 treatment induced HPV 6/11-specific T cell responses in RRP patients with a significantly greater expansion of peripheral HPV-specific T cells in responders compared with non-responders.

§ PRGN-2012 significantly (p < 0.0001) improved Derkay and quality of life scores in complete responders.

o A rolling Biologics License Application (BLA) submission under an accelerated approval pathway is anticipated in the second half of 2024.

o The Company has initiated enrollment in the confirmatory clinical trial, in accordance with the guidance from the FDA, prior to submission of the BLA.

o The Company and the Recurrent Respiratory Papillomatosis Foundation held the inaugural RRP Awareness Day on June 11, 2024. The multi-stakeholder event raised awareness by bringing together individuals living with RRP, caregivers, clinicians, and government officials.

· Strategic Prioritization: In August 2024, the Company announced a strategic prioritization of its clinical portfolio and associated streamlining of resources, including a reduction of over 20% of its workforce, to focus on potential commercialization of PRGN-2012.

o PRGN-2009 AdenoVerse Gene Therapy Clinical Trials

§ The Company plans to continue PRGN-2009 Phase 2 clinical trials under a cooperative research and development agreement (CRADA) with the National Cancer Institute (NCI) in recurrent/metastatic cervical cancer and in newly diagnosed HPV-associated oropharyngeal cancer.

§ PRGN-2009 cervical cancer clinical trial enrollment at non-NCI clinical sites will be paused.

o UltraCAR-T Clinical Programs

§ The Company has completed enrollment of the Phase 1b trial for PRGN-3006 in acute myeloid leukemia (AML), which received Fast Track designation from the FDA, and is preparing for an end of Phase 1b meeting with the FDA to discuss next steps.

§ The Company will pause the PRGN-3005 and PRGN-3007 clinical trials.

§ The Company will minimize UltraCAR-T spend and focus on strategic partnerships to further advance UltraCAR-T programs.

o Preclinical Programs

§ The Company will pause all preclinical programs.

o ActoBio

§ The Company has initiated shutdown of its Belgium-based ActoBio subsidiary operations, including planned elimination of all ActoBio personnel.

§ In conjunction with this shutdown, ActoBio’s portfolio of intellectual property will be made available for prospective transactions.

Financial Highlights

· Strategic prioritization resulted in non-cash impairment charges of $32.9 million, net of tax, in the second quarter and severance charges of $3.0 million, of which $2.1 million was recorded in the second quarter and $0.9 million is expected to be recorded in the third quarter.

· The Company closed a public offering of its common stock in August 2024, resulting in net proceeds of approximately $31.4 million.

Second Quarter 2024 Financial Results Compared to Prior Year Period

Research and development expenses increased $3.8 million, or 32%, compared to the three months ended June 30, 2023. Salaries, benefits, and other personnel costs increased $2.1 million primarily due to severance charges related to the shutdown of the Company’s ActoBio subsidiary. Additionally, fees paid to contract research organizations related to the start of the PRGN-2012 confirmatory clinical trial and close out of the PRGN-2012 pivotal clinical trial activities and professional fees incurred related to our manufacturing facility readiness for anticipated BLA submission increased compared to the same period in 2023.

SG&A expenses increased by $1.0 million, or 11%, compared to the three months ended June 30, 2023. This increase was primarily driven by severance costs incurred related to the suspension of ActoBio operations of $0.4 million, increased costs associated with PRGN-2012 commercial readiness as well as increased professional fees incurred related to general corporate matters compared to the same period in 2023.

In conjunction with the suspension of ActoBio’s operations, the Company recorded $34.5 million of impairment charges related to goodwill and other noncurrent assets in the second quarter of 2024, as well as a related tax benefit of $1.7 million.

Total revenues decreased $1.1 million, or 59%, compared to the three months ended June 30, 2023. This decrease was related to reductions in product and service revenues at Exemplar.

Net loss was $58.8 million, or $(0.23) per basic and diluted share, compared to net loss of $20.3 million, or $(0.08) per basic and diluted share, in period ended June 30, 2023.

First Half 2024 Financial Results Compared to Prior Year Period

Research and development expenses increased $5.9 million, or 25%, compared to the six months ended June 30, 2023. Salaries, benefits, and other personnel costs increased by $3.3 million primarily due to $2.1 million of severance charges related to the shutdown of the Company’s ActoBio subsidiary and an increase in the hiring of employees related to the advancement of PRGN-2012 in 2023 at Precigen. Additionally, fees paid to contract research organizations related to the start of the PRGN-2012 confirmatory clinical trial and close out of the PRGN-2012 pivotal clinical trial activities and professional fees incurred related to our manufacturing facility readiness for anticipated BLA submission increased compared to the prior year period. These increases were offset by lower costs incurred at contract research organizations for other programs compared to the same period in 2023.

SG&A expenses decreased by $0.5 million, or 2%, compared to the six months ended June 30, 2023. This decrease was primarily due to lower stock compensation and insurance expenses in 2024 compared to the same period in 2023. These decreases were offset by severance costs incurred in the second quarter of 2024 related to the suspension of ActoBio’s operations, and increased costs related to PRGN-2012 commercial readiness compared to the same period in 2023.

In conjunction with the suspension of ActoBio’s operations, the Company recorded $34.5 million of impairment charges related to goodwill and other noncurrent assets in the second quarter of 2024, as well as a related tax benefit of $1.7 million.

Total revenues decreased $1.9 million, or 51%, compared to the six months ended June 30, 2023. This decrease was related to reductions in product and service revenues at Exemplar.

Net loss was $82.5 million, or $(0.33) per basic and diluted share, compared to net loss of $43.1 million, or $(0.18) per basic and diluted share, in period ended June 30, 2023.