TriSalus Life Sciences Announces Launch of PREDICTT Clinical Trial Evaluating Pressure-Enabled Drug Delivery in Liver Tumors

On May 4, 2026 TriSalus Life Sciences, Inc. (Nasdaq: TLSI) (the "Company"), an oncology company integrating novel delivery technology with standard of care therapies, and its investigational immunotherapeutic to transform treatment for patients with solid tumors, reported the initiation of patient enrollment for the PREDICTT clinical trial (NCT07444645), a prospective study designed to evaluate its novel Pressure-Enabled Drug Delivery (PEDD) approach in patients with primary or metastatic liver tumors.

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The PREDICTT trial is an investigator-led single-arm, prospective, interventional study designed to evaluate how PEDD impacts tumor targeting and radiation dose distribution. Investigators at The University of Texas MD Anderson Cancer Center will assess the use of the TriNav Infusion System in conjunction with Y90 radioembolization therapy. Specifically, the trial will measure changes in CT-based tumor-to-normal liver ratios and assess how these changes correlate with tumor dose and treatment outcomes.

Advancing Precision Delivery in Liver-Directed Therapy

Y90 radioembolization is a widely used treatment for unresectable liver tumors. However, optimizing delivery to maximize tumor dose while minimizing exposure to healthy liver tissue remains a critical challenge. The PREDICTT study aims to address this by evaluating the TriNav Infusion System, a Pressure-Enabled Drug Delivery device designed to improve microsphere distribution within tumors.

Study Design and Objectives

The PREDICTT (Prospective Evaluation of Pressure-Enabled Delivery and Alterations in CT-Based Tumor-to-Normal Liver Ratio and Tumor Dose) trial is an investigator-led study evaluating the impact of pressure-enabled delivery using the TriNav Infusion System in patients undergoing Y90 radioembolization for liver tumors. The PREDICTT trial will enroll approximately 20 adult patients with unresectable primary or metastatic liver tumors who are eligible for Y90 radioembolization. The trial is led by principal investigator Peiman Habibollahi, M.D., associate professor of Interventional Radiology at UT MD Anderson.

Key objectives include:

Evaluate changes in CT-based tumor-to-normal liver enhancement ratios using the TriNav Infusion System
Correlate imaging-based measurements with tumor dose and microsphere distribution
Evaluate relationships between imaging metrics and post-treatment SPECT/CT findings
Assess safety of the TriNav Infusion System [with Y90] in liver directed therapy
Strengthening Clinical Collaboration

The launch of PREDICTT underscores the continued collaboration between TriSalus Life Sciences and UT MD Anderson.

"This study represents an important step toward optimizing locoregional therapies through advanced delivery technologies," said Richard Marshall, MD at Chief Medical Officer, TriSalus Life Sciences. "We are proud to collaborate with UT MD Anderson to generate clinical evidence that could redefine how Y90 therapies are delivered."

(Press release, TriSalus Life Sciences, MAY 4, 2026, View Source [SID1234665065])

CRISPR Therapeutics Provides Business Update and Reports First Quarter 2026 Financial Results

On May 4, 2026 CRISPR Therapeutics (Nasdaq: CRSP) reported financial results for the first quarter ended March 31, 2026.

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"The first quarter reflected continued execution across CRISPR Therapeutics’ platform," said Samarth Kulkarni, Ph.D., Chairman and Chief Executive Officer of CRISPR Therapeutics. "We expanded zugo-cel into new autoimmune indications and advanced multiple in vivo liver-directed programs toward the clinic, while CASGEVY continued its momentum. With a strengthened balance sheet and multiple upcoming milestones, we believe 2026 will be a defining year for CRISPR Therapeutics."

Recent Highlights and Outlook

Hemoglobinopathies and CASGEVY (exagamglogene autotemcel)


CASGEVY is approved in the U.S., Canada, the U.K., the EU, Switzerland, the Kingdom of Saudi Arabia (KSA), the Kingdom of Bahrain, Qatar, the United Arab Emirates (UAE), and Kuwait for patients 12 years and older with severe sickle cell disease (SCD) or transfusion-dependent beta thalassemia (TDT). In total, there are more than 60,000 eligible patients in these countries, including approximately 37,000 in North America and Europe and more than 23,000 in the Middle East.

CASGEVY generated first quarter 2026 revenue of $43 million. More than 500 people globally have now initiated the CASGEVY treatment journey, reflecting continued commercial momentum.

Vertex has completed the U.S. regulatory submission for approval of CASGEVY in children ages 5 to 11 years old with SCD or TDT, extending the potential treatment population to a younger age group. The U.S. Food and Drug Administration (FDA) awarded a Commissioner’s National Priority Voucher for this pediatric submission, supporting an accelerated review timeline once accepted.

Access to CASGEVY continued to expand across key markets. Most recently, a pricing agreement was secured for eligible patients with SCD or TDT in Germany, with final implementation underway. As of year-end 2025, approximately 90% of patients in the U.S. had reimbursed access to CASGEVY, which is also reimbursed in the U.K., Italy, Austria, Denmark, Luxembourg, KSA, the Kingdom of Bahrain, the UAE, and Kuwait.

CRISPR Therapeutics continues to advance its in vivo hematopoietic stem cell editing approach using lipid nanoparticle (LNP)-mediated delivery. This approach has the potential to expand the addressable patient populations for SCD and TDT.

In Vivo Liver Editing

CRISPR Therapeutics continues to advance a diversified portfolio of in vivo gene editing programs leveraging its proprietary liver-directed LNP delivery platform.


Development of CTX310, an investigational therapy targeting angiopoietin-related protein 3 (ANGPTL3), is progressing in a Phase 1b clinical trial, where the Company is prioritizing indications in severe hypertriglyceridemia (sHTG) and refractory hypercholesterolemia. The Company recently received FDA clearance of its Investigational New Drug (IND) application, supporting expansion of the ongoing trial into the U.S. The Company expects to provide an update in the second half of 2026.

CRISPR Therapeutics continues to advance a pipeline of preclinical in vivo gene editing candidates, including:
o
CTX460, targeting SERPINA1 for the treatment of alpha-1 antitrypsin deficiency (AATD), is the first investigational candidate generated from the Company’s SyNTase editing platform. CTX460 is
currently in IND/CTA-enabling studies. The Company expects to initiate a clinical trial for CTX460 in mid-2026.
o
CTX340, targeting angiotensinogen (AGT) for refractory hypertension, is currently in the IND/CTA-enabling phase. The Company expects to initiate a clinical trial for CTX340 in the first half of 2026.
o
CTX321, the Company’s next-generation LPA program, is progressing through IND/CTA-enabling studies. The candidate incorporates an optimized guide RNA that delivered approximately two-fold greater potency in preclinical models, paired with the same LNP delivery system used previously. An Lp(a) program update is anticipated in 2026.

siRNA-based Programs

CRISPR Therapeutics’ small interfering RNA (siRNA)-based portfolio includes clinical-stage programs targeting cardiovascular and thromboembolic diseases, developed in collaboration with Sirius Therapeutics.


CTX611 (SRSD107), a long-acting siRNA therapeutic targeting Factor XI (FXI), is advancing through a Phase 2 clinical trial in patients undergoing total knee arthroplasty (TKA). The Company expects to provide an update in the second half of 2026.

CTX611 has the potential to address a broad range of thromboembolic and clotting-related indications, including atrial fibrillation (AF), venous thromboembolism (VTE), ischemic stroke, cancer-associated thrombosis (CAT), thrombosis in chronic kidney disease (CKD), peripheral vascular disease (PVD), and chronic coronary artery disease (CAD), collectively representing a multi-billion-dollar market opportunity. CRISPR Therapeutics is expected to lead global Phase 3 development, with Sirius Therapeutics overseeing development activities in greater China.

CRISPR Therapeutics has the option to nominate up to two additional siRNA targets for research and development. An update is expected in 2026.

Autoimmune Disease and Immuno-Oncology

Zugocabtagene geleucel (zugo-cel; formerly CTX112) continues to advance across both autoimmune disease and hematologic malignancies.


In autoimmune disease, zugo-cel is currently being evaluated in two ongoing Phase 1 basket trials: a rheumatology basket including systemic lupus erythematosus (SLE), systemic sclerosis (SSc), and inflammatory myositis (IM); and a hematology basket in immune thrombocytopenic purpura (ITP) and warm autoimmune hemolytic anemia (wAIHA).

In addition, the FDA cleared the IND application for a third Phase 1 trial in autoimmune neurologic diseases. The trial, which has been initiated, includes progressive multiple sclerosis (PMS), neuromyelitis optica spectrum disorder (NMOSD), myelin oligodendrocyte glycoprotein antibody-associated Disease (MOGAD), N-methyl-D-aspartate receptor (NMDAR) and leucine-rich glioma-inactivated Protein 1 (LGI1) autoimmune encephalitis (AIE), and stiff person syndrome (SPS).

Enrollment across the zugo-cel autoimmune clinical program continues to progress, with over 14 patients dosed to date across SSc, IM, and SLE and over 10 clinical trial sites activated globally. The previously disclosed first and second SLE patients remained in DORIS remission through Month 12 and Month 6, respectively. The Company expects to provide further updates in the second half of 2026.

In immuno-oncology, the Phase 1/2 clinical trial of zugo-cel in B-cell malignancies is ongoing, with updates anticipated in the second half of 2026. The Company has also initiated a combination study evaluating zugo-cel with pirtobrutinib in aggressive B-cell lymphomas, under the Company’s existing collaboration with Lilly.

The Company’s autoimmune and immuno-oncology programs are supported by a wholly-owned GMP manufacturing facility in Framingham, Massachusetts. The facility provides end-to-end production capabilities across the cell therapy portfolio, supports both clinical and future commercial supply and enables an industry-leading cost of goods.
CRISPR Therapeutics is also advancing a proprietary in vivo CAR-T platform with potential applications across autoimmune disease and oncology.


The Company is pursuing two complementary modalities, supported by an antibody-conjugated LNP delivery system that enables targeted delivery to immune cells: a transient, re-dosable CAR-T leveraging engineered mRNA, and a non-viral, integrating CAR-T employing next-generation site-specific integration technologies.

Preclinical studies in mice and non-human primates (NHPs) were conducted to evaluate a proprietary engineered transient mRNA designed to extend duration of expression, as well as multiple antibody binder formats directed at CD4 and/or CD8 T-cells.

In mice, binders targeting both CD4+ and CD8+ T-cells, as well as binders targeting CD8+ T-cells alone, demonstrated greater than 75% CAR-positive expression in the respective cell types in the spleen and bone marrow.

In an NHP study, engineered mRNA demonstrated sustained expression for 14 days post dosing.

Furthermore, in NHPs, a proprietary antibody-conjugated LNP formulation encapsulating CD20-CAR transient mRNA achieved robust B-cell depletion in peripheral blood, spleen, and lymph nodes with three 0.5 mg/kg doses on Days 0, 3, and 6.

Regenerative Medicine


CRISPR Therapeutics continues to advance its regenerative medicine program in diabetes. The Company is developing CTX213, a deviceless beta cell replacement candidate for Type 1 diabetes, consisting of unencapsulated precursor islet cells derived from edited induced pluripotent stem cells (iPSCs). CTX213 has demonstrated compelling preclinical efficacy through direct administration and is progressing toward the clinic. The Company expects to provide additional updates as development progresses.

First Quarter 2026 Financial Results


Cash Position: Cash, cash equivalents, and marketable securities were $2,441.8 million as of March 31, 2026, compared to $1,975.8 million as of December 31, 2025. The increase in cash was primarily driven by net proceeds of $585.4 million from the issuance of convertible senior notes in March 2026, offset by operating expenses.

R&D Expenses: R&D expenses were $68.6 million for the first quarter of 2026, compared to $72.5 million for the first quarter of 2025. The decrease in R&D expense was primarily attributable to a decrease in employee-related costs, including stock-based compensation expenses.

G&A Expenses: General and administrative expenses were $17.2 million for the first quarter of 2026, compared to $19.3 million for the first quarter of 2025. The decrease in G&A expense was primarily attributable to a decrease in employee-related costs.

Collaboration Expense: Collaboration expense, net, was $45.9 million for the first quarter of 2026, compared to $57.5 million for the first quarter of 2025. The decrease was primarily attributable to an increase in the Company’s share of CASGEVY revenue.

Net Loss: Net loss was $122.9 million for the first quarter of 2026, compared to a net loss of $136.0 million for the first quarter of 2025.

About CASGEVY (exagamglogene autotemcel [exa-cel])

CASGEVY is a non-viral, ex vivo CRISPR/Cas9 gene-edited cell therapy for eligible patients with sickle cell disease (SCD) or transfusion-dependent beta thalassemia (TDT), in which a patient’s own hematopoietic stem and progenitor cells are edited at the erythroid specific enhancer region of the BCL11A gene. This edit results in the production of high levels of fetal hemoglobin (HbF; hemoglobin F) in red blood cells. HbF is the form of the oxygen-carrying hemoglobin that is naturally present during fetal development, which then switches to the adult form of hemoglobin after birth. CASGEVY has been shown to reduce or eliminate VOCs for patients with SCD and transfusion requirements for patients with TDT. CASGEVY is approved for eligible SCD and TDT patients 12 years and older by multiple regulatory bodies around the world.

(Press release, CRISPR Therapeutics, MAY 4, 2026, View Source [SID1234665047])

Guardant Health Receives FDA Approval for Guardant360® CDx as a Companion Diagnostic for Arvinas and Pfizer’s VEPPANU (vepdegestrant) for Patients with ER+/HER2- Advanced Breast Cancer with ESR1 Mutations

On May 4, 2026 Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, reported that the U.S. Food and Drug Administration (FDA) has approved the Guardant360 CDx liquid biopsy test as a companion diagnostic for VEPPANU (vepdegestrant). VEPPANU, jointly developed by Arvinas, Inc. and Pfizer Inc., is approved for the treatment of adults with estrogen receptor-positive (ER+), human epidermal growth factor receptor 2-negative (HER2-), estrogen receptor 1 (ESR1)-mutated advanced or metastatic breast cancer, as detected by an FDA-authorized test, with disease progression following at least one line of endocrine therapy.

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The approval of Guardant360 CDx enables a non-invasive, blood-based method to identify patients with ESR1 mutations who may be eligible for treatment with VEPPANU. ESR1 mutations are a known mechanism of resistance to endocrine therapy and are commonly observed in patients with advanced disease.

"This latest FDA approval using Guardant360 CDx reflects where cancer care is headed using blood-based testing to detect resistance earlier and guide smarter treatment decisions," said Helmy Eltoukhy, Guardant Health chairman and co-CEO. "By identifying ESR1 mutations with just a simple blood draw, we’re helping bring more precise, personalized options to patients when they need them most."

Vepdegestrant, discovered by Arvinas and co-developed with Pfizer, is a PROteolysis TArgeting Chimera (PROTAC), a type of heterobifunctional protein degrader therapy. It is designed to selectively degrade the estrogen receptor, offering a targeted treatment option for patients whose cancers are driven by ESR1 mutations. The approval is supported by clinical data demonstrating the clinical utility of identifying ESR1 mutations to guide treatment selection in ER+/HER2- advanced breast cancer.

This latest FDA approval for Guardant360 CDx marks the third ESR1 companion diagnostic approval. It is the 26th companion diagnostic indication across multiple tumor types, building on the platform’s increasing clinical utility and broad coverage by Medicare and commercial payers, representing more than 300 million covered lives.

About Guardant360 CDx

Guardant360 CDx is the first FDA-approved liquid biopsy for comprehensive genomic profiling. It detects multiple genomic alterations across all solid tumors and is approved as a companion diagnostic for therapies in non-small cell lung cancer, breast cancer, and colorectal cancer. For more information, visit Guardant360 CDx.

(Press release, Guardant Health, MAY 4, 2026, View Source;Advanced-Breast-Cancer-with-ESR1-Mutations [SID1234665066])

Fate Therapeutics Announces Three Presentations at the 2026 ASGCT Annual Meeting Highlighting Off-the-Shelf CAR T-cell Therapy Pipeline for Cancer and Autoimmune Diseases

On May 4, 2026 Fate Therapeutics, Inc. (NASDAQ: FATE), a clinical-stage biopharmaceutical company dedicated to bringing a transformative pipeline of induced pluripotent stem cell (iPSC)-derived cellular immunotherapies to patients with cancer and autoimmune diseases, reported that data from its off-the-shelf CAR T-cell programs FT819, FT839, and FT836, will be featured at the American Society of Gene and Cell Therapy (ASGCT) (Free ASGCT Whitepaper) Annual Meeting to be held in Boston, MA, May 11–15, 2026.

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Fate Therapeutics will present clinical and translational data from the systemic lupus erythematosus (SLE) arm of its ongoing Phase 1 trial evaluating FT819 in Regimen B, where FT819 is added to background maintenance therapy without the use of conditioning chemotherapy to drive B cell depletion and improve patient outcome.

The Company will also deliver an oral presentation on FT839, its next-generation, off-the-shelf dual-CAR T cell therapy designed to simultaneously target CD19 and CD38 to eliminate pathogenic B cells, plasma cells, and activated T and NK cells, while selectively sparing non-activated immune cells. This multi-antigen targeting approach is designed to offer a unique treatment option for patients with difficult-to-treat autoimmune diseases that are multicellular in pathology, including rheumatoid arthritis and type 1 diabetes.

Additionally, the Company will present preclinical data on FT836, its next-generation, off-the-shelf CAR T-cell therapy targeting the pan-tumor stress ligands MICA/B. FT836 is shown to demonstrate potent anti-tumor activity in preclinical studies across a broad range of liquid and solid tumors without the need for conditioning chemotherapy, and can be rationally combined with standard-of-care treatments, including monoclonal antibodies, immunomodulatory drugs, and chemotherapy for enhanced clinical efficacy.

A link to the abstracts can be found here: FATE ASGCT (Free ASGCT Whitepaper)

Presentation details are as follows:

Title: FT819 Drives B cell Compartment Remodeling of Patients with Systemic Lupus Erythematosus Without Conditioning Chemotherapy

Session: Poster Reception

Poster Presentation Date / Time: Tuesday, May 12, 5:00 PM – 6:30 PM ET

Title: FT839: A multi-antigen targeting off-the-shelf dual-CAR T cell for the treatment of pathogenic B and T cells in autoimmune diseases

Session: Transforming immune modulation with gene-modified regulatory T-cells

Oral Presentation Date / Time: Thursday, May 14, 8:30 AM – 8:45 AM ET

Title: CAR T cells Targeting pan-Tumor Antigens MICA/B can be Uniquely Combined with SOC Treatments without Conditioning Chemotherapy for Broad and Effective Therapeutic Application in Cancer

Session: Poster Reception

Poster Presentation Date / Time: Wednesday, May 13, 5:00 PM – 6:30 PM ET

(Press release, Fate Therapeutics, MAY 4, 2026, View Source [SID1234665048])

Assertio Announces Amended and Restated Merger Agreement with Garda Therapeutics

On May 4, 2026 Assertio Holdings, Inc. (Nasdaq: ASRT) ("Assertio" or the "Company") reported that, on May 1, 2026, Assertio and Garda Therapeutics ("Garda") entered into an Amended and Restated Agreement and Plan of Merger (the "Merger Agreement"), pursuant to which Garda has increased its offer to acquire all outstanding shares of Assertio to $21.80 per share in cash with no contingent value right.

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The increased offer represents a 21.1% premium to Garda’s original offer on April 8, 2026, and a 63.1% premium to the Company’s unaffected stock price on March 20, 2026 – the day before a significant share price and trading volume movement.

The revised offer follows engagement with multiple parties during the Company’s "window-shop" period, including the receipt of a Superior Proposal, after which the Company negotiated in good faith with Garda as required by the terms of the merger agreement. The increased consideration and the revised Merger Agreement with Garda provides greater cash consideration to Assertio’s stockholders, and includes increased and fully-committed equity and debt financing commitments. After careful consideration, Assertio’s Board of Directors determined that Garda’s increased offer represents the most favorable outcome for Assertio’s stockholders.

Heather Mason, Chair of the Assertio Board of Directors, stated: "We are pleased with this outcome, which reflects the Board’s focus throughout this disciplined and comprehensive process on delivering the best possible result for Assertio’s stockholders. Garda’s decision to increase its offer underscores both the competitive dynamics of the process and the underlying value of Assertio. We would like to thank everyone involved for their dedication and execution throughout this process."

Transaction Overview

Under the terms of the amended agreement, Garda will acquire all outstanding shares of Assertio for $21.80 per share in cash. The Merger Agreement does not include a contingent value right. The transaction is expected to close in the second quarter of 2026 and remains subject to customary closing conditions, including the tender of a majority of Assertio’s outstanding shares.

Following the successful completion of the tender offer, Garda will acquire any remaining shares through a second-step merger at the same price of $21.80 per share in cash. Upon completion of the transaction, Assertio’s common stock will no longer be listed on Nasdaq.

Assertio will file a current report on Form 8-K with the U.S. Securities and Exchange Commission (the "SEC") containing a summary of terms and conditions of the Merger Agreement. The Company also expects to file a Schedule 14D-9 with the SEC in connection with the tender offer, which will include additional information regarding the transaction and the strategic review process.

On April 8, 2026, Assertio completed the previously announced sale of its non-Rolvedon assets to Cosette Pharmaceuticals, further streamlining the Company and supporting the transaction with Garda.

First Quarter Conference Call

In light of the announced transaction, Assertio will not host a conference call and webcast to discuss the Company’s financial and operating results for the first fiscal quarter of 2026. The call is not expected to be rescheduled. In addition, the Company is withdrawing its previously disclosed 2026 guidance in connection with the transaction. Assertio expects to file its Form 10-Q for the first quarter of 2026 on or before May 11, 2026.

Advisors

Moelis & Company LLC is serving as financial advisor, Gibson, Dunn & Crutcher LLP as legal counsel, and Longacre Square Partners as strategy and communications advisor to Assertio.

(Press release, Assertio Holdings, MAY 4, 2026, View Source [SID1234665067])