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Theriva™ Biologics Reports Second Quarter 2026 Operational Highlights and Financial Results

On August 11, 2026 Theriva Biologics, Inc. (NYSE American: TOVX), a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need, reported financial results for the second quarter ended June 30, 2026, and provided a corporate update.

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"We have successfully converted last quarter’s regulatory achievements into clinical progress in the VCN-01 program," said Steven A. Shallcross, Chief Executive Officer of Theriva Biologics. "Dosing of the first patients in the VIRAGE2 trial brings us closer to refining a VCN-01 dosing regimen for potential evaluation in a future pivotal Phase 3 clinical trial in first-line metastatic PDAC patients when coadministered with chemotherapy. A repeated VCN-01 dosing regimen may also improve outcomes when combined with other cancer interventions, including immuno-oncology products, RAS inhibitors, and other emerging classes of cancer treatments. If more frequent repeated administration of VCN-01 is feasible and well-tolerated, use of this dosing regimen may further derisk future Phase 3 clinical trials."

Recent Highlights and Anticipated Milestones

VCN-01

Metastatic PDAC:

As recently announced, the first patients have been dosed in the VIRAGE2 Phase 2a clinical trial entitled "A Phase IIa, single-arm, single-center, open-label, proof-of-concept trial evaluating increased frequency dosing of zabilugene almadenorepvec (VCN-01) in combination with gemcitabine/nab-paclitaxel in patients with newly-diagnosed metastatic pancreatic cancer" (EUCT: 2026-525566-21-00; NCT07701486).
The VIRAGE2 study design incorporates feedback from both the European Medicines Agency (EMA) and the U.S. Food and Drug Administration (FDA) recognizing improved survival outcomes in the VIRAGE Phase 2b trial in metastatic PDAC patients treated with 2 doses of VCN-01 (in combination with standard-of-care chemotherapy), highlighting the possibility that more frequent repeated dosing of VCN-01 may provide additional clinical benefit.
The VIRAGE2 trial will evaluate the safety and feasibility of administering at least 3 doses of VCN-01 given approximately 2 months apart in combination with standard-of-care chemotherapy. The trial is expected to enroll 6 evaluable patients. Results from the VIRAGE2 study will inform the VCN-01 dosing regimen for potential evaluation in a future pivotal Phase 3 clinical trial.
VIRAGE2 is expected to complete enrollment during the second half of 2026, and initial pharmacodynamic and safety/tolerability data are anticipated by Q3 2027.
Retinoblastoma:

Undertook extensive discussions with key opinion leaders and completed the design of a proposed Phase 2/3 clinical trial of intravitreal VCN-01 in combination with intravitreal topotecan in children with retinoblastoma with vitreous seeds that are refractory/resistant to the use of current intravitreal chemotherapy.
Proposed clinical trial protocol builds on compelling Phase 1 clinical data in this ultra rare population for which there is no current treatment.
Plan to discuss the proposed clinical trial protocol with the FDA in Q3 2026.
VCN-01 has Orphan Drug Designation from both the FDA and EMA and Rare Pediatric Disease Designation from the FDA for the treatment of retinoblastoma; if a Biologics License Application (BLA) for VCN-01 for the treatment of retinoblastoma is approved by the FDA by September 30, 2029, the Company may be eligible to receive a Priority Review Voucher.
Head & Neck Squamous Cell Carcinoma:

Clinical and translational results from the Phase 1 clinical trial of VCN-01 in refractory or metastatic head & neck squamous cell carcinoma (HNSCC) patients (whose disease progressed despite previous therapies, including anti-PD-(L)1 immune checkpoint inhibitors) were published in the journal Clinical Cancer Research in an online first article titled "Phase I trial of intravenous VCN-01 oncolytic adenovirus and durvalumab in patients with head and neck metastatic squamous cell carcinoma refractory to immunotherapy".
In the Phase 1 trial, prolonged overall survival (OS) was observed in these heavily pre-treated refractory HNSCC patients administered intravenous VCN-01 prior to the immune checkpoint inhibitor durvalumab (sequential delivery).
Pharmacokinetic, tissue biopsy, radiomic and transcriptomic results all support the proposed VCN-01 stroma-degrading and immune enhancing modes-of-action, resensitizing refractory tumors to durvalumab.
These findings support further clinical development of VCN-01 with immune checkpoint inhibitors or other immune modulating anticancer therapies in HNSCC and potentially other cancer indications.
Second Quarter Ended June 30, 2026 Financial Results

General and Administrative Expenses

General and administrative expenses decreased to $2.0 million for the three months ended June 30, 2026, from $11.2 million for the three months ended June 30, 2025. This decrease of 82% is primarily comprised of the prior year increase in fair value of the contingent consideration adjustment of $9.2 million due to the VIRAGE Phase 2b clinical trial of VCN-01 in PDAC achieving its primary survival and safety endpoints, offset set by current year increase in legal fees. The charge related to stock-based compensation expense was $110,000 for the three months ended June 30, 2026, compared to $97,000 for the three months ended June 30, 2025.

Research and Development Expenses

Research and development expenses decreased to $1.3 million for the three months ended June 30, 2026, from $2.0 million for the three months ended June 30, 2025. This decrease of 35% is primarily the result of lower indirect cost related to compensation expense and lower direct clinical trial expenses related to the Company’s Phase 1b/2a clinical trial of SYN-004 (ribaxamase) in allogeneic HCT recipients and lower expenses related to SYN-020, offset by higher direct expenses related to VCN-01 manufacturing activities and expenses associated with the planning for the Phase 2a study in metastatic PDAC patients evaluating more frequent VCN-01 dosing for a longer period.

Other Income/Expense

Other income was $78,000 for the three months ended June 30, 2026, compared to other income of $74,000 for the three months ended June 30, 2025. Other income for the three months ended June 30, 2026 is comprised of interest income of $79,000 and an exchange loss of $1,000. Other income for the three months ended June 30, 2025 is comprised of interest income of $54,000 and an exchange gain of $20,000.

Cash and Cash Equivalents

Cash and cash equivalents totaled $11.3 million as of June 30, 2026, a decrease of $1.7 million from December 31, 2025. During the year ended December 31, 2025 and the quarter ended June 30, 2026, the primary use of cash was for working capital requirements and operating activities, which resulted in a net loss of $23.7 million and $5.3 million for the year ended December 31, 2025 and the six months ended June 30, 2026, respectively.

(Press release, Theriva Biologics, AUG 11, 2026, View Source [SID1234669964])

MacroGenics Announces Achievement of $10 Million Milestone Following Gilead’s Exercise of Option to License Preclinical Bispecific Program

On August 11, 2026 MacroGenics, Inc. (NASDAQ: MGNX), a clinical-stage biopharmaceutical company focused on developing innovative antibody-based therapeutics for the treatment of cancer, reported that Gilead Sciences, Inc. has exercised its option to obtain an exclusive license for a preclinical bispecific program under the companies’ 2022 collaboration agreement. The option exercise triggers a $10 million payment to MacroGenics.

The licensed program incorporates MacroGenics’ TRIDENT platform and is directed against two undisclosed targets for the treatment of solid tumors. Under the 2022 collaboration agreement, MacroGenics and Gilead Sciences are advancing three programs: MGD024, a clinical-stage CD123 × CD3 bispecific DART molecule, and two preclinical bispecific programs.

MacroGenics remains eligible to receive up to approximately $1.6 billion in additional development, regulatory and commercial milestone payments across the collaboration, as well as royalties on worldwide net sales of products resulting from the programs.

(Press release, MacroGenics, AUG 11, 2026, View Source [SID1234669963])

Cardiff Oncology Reports Second Quarter 2026 Results and Provides Business Update

On August 11, 2026 Cardiff Oncology, Inc. (Nasdaq: CRDF), a clinical-stage biotechnology company leveraging PLK1 inhibition to develop novel cancer therapies, reported financial results for the second quarter ended June 30, 2026, and provided a business update.

"The second quarter was an important period of progress for Cardiff, highlighted by the presentation of positive Phase 2 data at ASCO (Free ASCO Whitepaper) and our continued progress in preparation for a planned registrational trial of onvansertib in first-line RAS-mutated metastatic colorectal cancer," said Mani Mohindru, PhD, President and Chief Executive Officer of Cardiff Oncology. "The updated CRDF-004 results reinforced our confidence in the selected registrational dose and regimen of 30 mg onvansertib in combination with FOLFIRI/bevacizumab. This regimen has demonstrated deep and durable tumor shrinkage over time, reflecting the synergistic mechanisms of action, while maintaining a well-tolerated safety profile with no overlapping or new toxicities when added to standard-of-care therapy."

Dr. Mohindru continued, "Following our successful End-of-Phase 2 meeting with the FDA, we are preparing to initiate the planned Phase 3 trial in the first quarter of 2027, subject to securing additional financing. We believe the totality of data generated to date strengthens onvansertib’s potential to become an important new treatment option for patients with first-line RAS-mutated metastatic colorectal cancer, an area where there remains significant unmet need."

Clinical and Regulatory Highlights

Presented Positive Results from Randomized, Controlled Phase 2 CRDF-004 Trial at the 2026 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) ("ASCO") Annual Meeting

In June, Cardiff presented positive results from CRDF-004, its ongoing, randomized, controlled, dose-finding Phase 2 clinical trial evaluating onvansertib in combination with standard-of-care ("SoC") regimens in patients with first-line RAS-mutated metastatic colorectal cancer ("mCRC"), in a rapid oral presentation at the 2026 ASCO (Free ASCO Whitepaper) Annual Meeting.

The trial achieved its primary goal of selecting the efficacious and safe dose of onvansertib plus SoC regimen for the registrational program. The selected regimen, 30 mg onvansertib in combination with FOLFIRI/bevacizumab ("bev"), demonstrated deep and durable tumor shrinkage, including clinically meaningful improvements in confirmed objective response rate ("ORR") and progression-free survival ("PFS") compared to SoC alone, with no additive adverse events observed. Data highlights from the ongoing Phase 2 trial, based on a March 18, 2026 data cut, are listed below, with the full press release available here:

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The 30 mg onvansertib plus FOLFIRI/bev arm achieved a confirmed ORR of 72.2% compared to 42.1% for FOLFIRI/bev alone, a 30% ORR improvement over SoC. The responses were deeper and more durable in the onvansertib arm.
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Secondary endpoint of PFS hazard ratio ("HR") of 0.55 (95% CI: 0.15–2.09) and 0.57 (95% CI: 0.20–1.65) for patients treated with 30 mg onvansertib plus FOLFIRI/bev vs. FOLFIRI/bev by Blinded Independent Central Review ("BICR") and investigator assessment ("IA"), respectively.
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Four patients remained on onvansertib treatment beyond 15 months, including two patients beyond 20 months.
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Onvansertib in combination with SoC regimens continued to be well-tolerated, with no major or unexpected toxicities and no additive adverse events observed.
The Phase 2 trial is still ongoing and as of a June 23, 2026 data cut, 12 patients remain on trial, with 8 patients in the onvansertib (20 or 30 mg) plus FOLFIRI/bev arms and one patient remaining on SoC.

Completed Successful End-of-Phase 2 ("EoP2") Meeting with FDA and Advanced Phase 3 Readiness Activities

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Following completion of a successful EoP2 meeting, Cardiff aligned with the FDA on key design elements for its planned registrational Phase 3 trial of onvansertib in first-line RAS-mutated mCRC.
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The planned randomized, controlled Phase 3 trial is expected to evaluate 30 mg onvansertib in combination with FOLFIRI/bev compared to SoC FOLFIRI/bev as first-line therapy in patients with RAS-mutated mCRC. Cardiff is preparing to initiate the trial in the first quarter of 2027, subject to securing additional financing.
Preclinical Highlights

Presented New Preclinical Data at the 2026 American Association for Cancer Research (AACR) (Free AACR Whitepaper) ("AACR") Annual Meeting Supporting the Rationale for Onvansertib in Combination with Antibody-Drug Conjugates ("ADCs")

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In April, Cardiff presented new preclinical data at the 2026 AACR (Free AACR Whitepaper) Annual Meeting supporting the rationale for onvansertib in combination with ADCs. The data demonstrated that onvansertib enhanced the activity of the HER2-targeted antibody-drug conjugate trastuzumab deruxtecan, driving tumor regression and overcoming resistance in HER2-low breast cancer models.
Corporate Update

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In February 2026, the Company received written notice from its licensor, Nerviano Medical Sciences S.r.l. ("NMS"), alleging that the Company was in material breach of the license agreement. NMS subsequently purported to terminate the license agreement based on the Company’s alleged material breach. The Company filed a lawsuit in May 2026 in the U.S. District Court for the Southern District of California seeking a declaratory judgment that it is not in material breach and injunctive relief requiring NMS to continue performing under the license agreement. The Company believes that NMS’s purported termination is legally ineffective, factually unsupported and procedurally improper, and the Company plans to continue performing under the license agreement.
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In July, Cardiff announced a $10 million registered direct offering of common stock and warrants to support working capital and general corporate purposes. The full press release is available here.

Second Quarter 2026 Financial Results

Liquidity, cash burn, and cash runway

As of June 30, 2026, Cardiff Oncology had approximately $34.5 million in cash, cash equivalents, and short-term investments. The amount as of June 30, 2026 does not include proceeds from the registered direct offering completed subsequent to quarter end.

Net cash used in operating activities for the six months ended June 30, 2026 was approximately $24.1 million, an increase of $3.0 million from $21.1 million for the same period in 2025.

Based on its current expectations and projections, the Company believes its current cash resources are sufficient to fund its operations into the third quarter of 2027.

Operating results

Total operating expenses were approximately $22.6 million for the six months ended June 30, 2026, a decrease of $6.8 million from $29.4 million for the same period in 2025. The decrease in operating expenses was primarily due to a decrease of $9.4 million in R&D expenses, mainly related to the completion of clinical trials, as well as fewer patients still on treatment in the Phase 2 mCRC trial, and a reduction in preclinical activities as the Company focuses on its upcoming Phase 3 mCRC trial. The decrease in expenses was partially offset by an increase of $2.6 million in SG&A expenses, primarily for employee severance agreements and corresponding modifications of stock options, as well as an increase in attorney costs related to Cardiff Oncology’s ongoing licensing dispute.

(Press release, Cardiff Oncology, AUG 11, 2026, View Source [SID1234669959])

Sona Nanotech Closes Over-Subscribed Private Placement Financing to Raise $2,527,012 in Gross Proceeds

On August 11, 2026 Sona Nanotech Inc. (CSE: SONA) (OTCQB: SNANF) (the "Company" or "Sona") reported that it has closed its over-subscribed private placement that was announced on July 31, 2026 with the issuance of 8,423,372 common shares (each, a "Share") at $0.30 per share. (the "Financing"). All securities issued pursuant to the Financing will be subject to a hold period of four months and one day from the date of issuance.

As previously disclosed, Sona intends to use the net proceeds of the Financing for advancing studies to support the clinical advancement and continuing research and development work on its Targeted Hyperthermia TherapyTM ("THT") oncology treatment, as well as for general working capital purposes.

Directors of the Company subscribed for 300,000 shares. Such participation is considered to be "related party transactions" within the meaning of Multilateral Instrument 61-101 Protection of Minority Security Holders in Special Transactions ("MI 61-101"). The Company relied on the exemptions from the formal valuation and minority shareholder approval requirements of MI 61-101 contained in sections 5.5(a) and 5.7(1)(a) of MI 61-101 in respect of related party participation in the Offering as neither the fair market value (as determined under MI 61-101) of the subject matter of, nor the fair market value of the consideration for, the transaction, insofar as it involves the related parties, exceeded 25% of the Company’s market capitalization (as determined under MI 61-101).

(Press release, Sona Nanotech, AUG 11, 2026, View Source [SID1234669954])

Protara Therapeutics Announces Second Quarter 2026 Financial Results and Provides a Business Update

On August 11, 2026 Protara Therapeutics, Inc. (Nasdaq: TARA), a clinical-stage biotechnology company developing transformative therapies for the treatment of cancer and rare diseases, reported financial results for the second quarter ended June 30, 2026 and provided a business update.

"In the second quarter, we strengthened our late-stage pipeline through continued clinical and operational execution, positioning us for multiple important clinical and regulatory milestones over the coming quarters," said Jesse Shefferman, Chief Executive Officer at Protara Therapeutics. "We continue to make progress in the ADVANCED-2 trial and expect to complete enrollment in the fourth quarter of 2026. We remain confident that TARA-002 will be a preferred treatment option in the non-muscle invasive bladder cancer (NMIBC) BCG-Unresponsive setting and we are redesigning ADVANCED-3 to be a multi-cohort, open-label, exploratory trial, which will allow us to study TARA-002 in a broader high-grade, high-risk NMIBC patient population. The redesigned ADVANCED-3 protocol is expected to accelerate and expand the breadth of data available at or around the time of the potential launch of TARA-002 in BCG-Unresponsive carcinoma in situ (CIS) patients."

Mr. Shefferman added, "We also advanced our rare disease programs during the quarter. We recently presented encouraging interim durability and safety data from the STARBORN-1 pivotal trial of TARA-002 in Lymphatic Malformations (LMs) and, following discussions with the FDA, expect to submit our Biologics License Application (BLA) in the second half of 2027. At the same time, enrollment in the THRIVE-3 registrational trial evaluating IV Choline Chloride continues as planned, with interim results expected in the fourth quarter of this year. As we continue to execute across our portfolio, we believe we are well positioned to deliver a series of important clinical, regulatory and operational catalysts that have the potential to create meaningful value for patients and shareholders."

Recent Progress and Highlights

TARA-002 in NMIBC

● The Company expects to complete enrollment of the BCG-Unresponsive cohort in the fourth quarter of 2026.

● The Company is redesigning the recently initiated ADVANCED-3 trial to be a multi-cohort, open-label, exploratory trial to evaluate the efficacy and safety of intravesical TARA-002 in high-grade, high-risk BCG-Naïve and BCG-Exposed CIS (± Ta/T1) patients and papillary (Ta/T1) patients across BCG exposures. Importantly, this new design allows Protara to accelerate and expand the breadth of TARA-002 data in a broader high-grade, high-risk NMIBC patient population.

TARA-002 in LMs

● Protara presented updated interim safety and durability data from the ongoing Phase 2 STARBORN-1 trial evaluating TARA-002 in pediatric patients with macrocystic and mixed cystic LMs in a poster session at the International Society for the Study of Vascular Anomalies World Congress in Philadelphia, Pennsylvania. As of an April 10, 2026 data cutoff:

○ TARA-002 demonstrated clinical success in 83% (10/12) of participants that completed treatment and in 100% (10/10) of evaluable patients. All seven participants that reached the 32-week post-treatment assessment remained disease free as of the data cutoff.

○ The majority of AEs were mild to moderate, with no serious AEs reported. The most common AEs were swelling and fatigue, and most were transient and resolved within a few days.

● Based on engagement with the FDA under Breakthrough Therapy designation, the Company intends to submit a BLA for TARA-002 in LMs based on the results of the pivotal STARBORN-1 trial in the second half of 2027 and will continue to submit safety and efficacy data from the trial on an ongoing basis to support the FDA’s evaluation of the risks and benefits of TARA-002 in LMs.

IV Choline Chloride for Patients on Parenteral Support (PS)

● THRIVE-3, the Company’s registrational Phase 3 clinical trial, is ongoing, and the Company expects to report interim results in the fourth quarter of 2026.

Second Quarter 2026 Financial Results

● As of June 30, 2026, unrestricted cash and cash equivalents and marketable debt securities totaled $161.9 million. The Company expects its cash and cash equivalents and marketable debt securities will be sufficient to fund its planned operations and milestones into 2028.

● Research and development expenses for the second quarter of 2026 increased to $17.0 million from $10.8 million for the prior year period. This increase was primarily due to higher direct costs associated with ongoing clinical trials of $3.2 million, increased personnel-related expenses of $1.8 million and increased non-program specific research and development expenses, primarily attributable to chemistry, manufacturing and controls of $1.2 million.

● General and administrative expenses for the second quarter of 2026 increased to $6.4 million from $5.8 million for the prior-year period. The increase was primarily due to an increase in personnel-related expenses of $0.7 million, offset by a decrease in other general and administrative expenses of $0.1 million.

● For the second quarter of 2026, Protara incurred a net loss of $21.7 million, or $0.36 per share, compared with a net loss of $15.0 million, or $0.35 per share, for the prior-year period.

About TARA-002

TARA-002 is an investigational cell therapy in development for the treatment of NMIBC and of LMs, for which it has been granted Rare Pediatric Disease, Orphan Drug, Breakthrough Therapy and Fast Track designations by the FDA. TARA-002 is a first-in-class TLR2/NOD2 agonist and novel immunopotentiator derived from inactivated Streptococcus pyogenes with a mechanism of action that includes the activation of innate and adaptive immune pathways within the bladder wall. When TARA-002 is administered, it is hypothesized that innate and adaptive immune cells within the cyst or tumor are activated and produce a pro-inflammatory response with the release of cytokines such as tumor necrosis factor (TNF)-alpha, interferon (IFN)-gamma, IL-6, IL-10 and IL-12. TARA-002 also directly kills tumor cells and triggers a host immune response by inducing immunogenic cell death, which further enhances the antitumor immune response.

TARA-002 was developed from the same master cell bank of genetically distinct group A Streptococcus pyogenes as OK-432, a broad immunopotentiator marketed as Picibanil in Japan by Chugai Pharmaceutical Co., Ltd.

About Non-Muscle Invasive Bladder Cancer

Bladder cancer is the sixth most common cancer in the United States, with non-muscle invasive bladder cancer (NMIBC) representing approximately 80% of bladder cancer diagnoses, or approximately 65,000 patients in the U.S. each year. NMIBC is cancer found in the tissue that lines the inner surface of the bladder that has not spread into the bladder muscle. Patients suffering from high-grade, high-risk NMIBC face high rates of disease recurrence and are potentially subject to full removal of the bladder (cystectomy).

About Lymphatic Malformations

Lymphatic Malformations (LMs) are rare, congenital malformations of lymphatic vessels resulting in the failure of these structures to connect or drain into the venous system. Protara’s focus is on macrocystic and mixed cystic LMs, for which there are no currently approved therapies. More than 50% of LMs are detected at birth and 90% diagnosed before the age of three years. The most common morbidities and serious manifestations of the disease include compression of the upper aerodigestive tract, including airway obstruction requiring intubation and possible tracheostomy dependence; intralesional bleeding; impingement on critical structures, including nerves, vessels and lymphatics; recurrent infection; and cosmetic and other functional disabilities. TARA-002 has been granted Rare Pediatric Disease, Orphan Drug, Breakthrough Therapy and Fast Track designations by the FDA for the treatment of LMs.

About IV Choline Chloride for Patients on Parenteral Support

IV Choline Chloride is an investigational, intravenous phospholipid substrate replacement therapy in development for patients receiving parenteral support (PS). Choline is an important substrate for phospholipids that are critical for healthy liver function and play an important role in modulating gene expression, cell membrane signaling, brain development and neurotransmission, muscle function and bone health. There are currently no available PS formulations containing choline. IV Choline Chloride has the potential to become the first FDA approved IV choline formulation for PS patients. It has been granted Orphan Drug designation by the FDA for the prevention and/or treatment of choline deficiency in patients on long-term parenteral nutrition and has been granted Fast Track designation as a source of choline when oral or enteral nutrition is not possible, insufficient or contraindicated. The U.S. Patent and Trademark Office has issued Protara a U.S. patent claiming a choline composition and a U.S. patent claiming a method of treating choline deficiency with a choline composition, each with a term expiring in 2041.

(Press release, Protara Therapeutics, AUG 11, 2026, View Source [SID1234669953])