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Actinium Pharmaceuticals, Inc. (NYSE: ATNM) is a clinical-stage biopharmaceutical company pioneering targeted radiotherapies for patients with advanced cancers. This news hub provides investors and healthcare professionals with timely updates on the company’s clinical developments, regulatory milestones, and strategic partnerships.
Access authoritative information about Actinium’s Antibody Radiation Conjugate (ARC) platform, including progress on lead candidates Iomab-B for bone marrow transplant conditioning and Iomab-ACT for CAR-T therapy preparation. Our curated news collection features press releases on trial results, FDA communications, and collaborations with leading cancer research centers.
Key updates include phase 3 trial data for hematologic malignancies, manufacturing advancements for radiotherapy agents, and scientific presentations at major oncology conferences. All content is vetted for accuracy and relevance to treatment innovation in cellular therapies.
Bookmark this page for streamlined tracking of Actinium’s progress in redefining cancer treatment paradigms through precision radiotherapy. Verify time-sensitive updates directly through SEC filings and official company communications.
Actinium Pharmaceuticals (NYSE: ATNM) has presented promising preclinical results for ATNM-400, a novel targeted radiotherapy for prostate cancer, at the AACR Annual Meeting. The data shows ATNM-400 outperforms Pluvicto, achieving 99.8% tumor growth inhibition with a single 40 µCi/kg dose.
Unlike Pluvicto and most prostate cancer radiotherapies that target PSMA, ATNM-400 is a first-in-class treatment targeting a distinct non-PSMA receptor that remains highly expressed even after Pluvicto treatment. The therapy utilizes Actinium-225, a more potent alpha-particle emitter than Lutetitium-177, causing irreversible DNA breaks with potentially fewer off-target effects.
Key findings demonstrate ATNM-400's efficacy in Pluvicto-resistant tumors, rapid internalization, sustained tumor uptake, and efficient clearance from essential organs. The treatment was well-tolerated with no apparent toxicities at both tested dose levels.
VolitionRx (NYSE: VNRX) has announced a virtual investor event scheduled for April 9, 2025, at 10:00 AM ET, focusing on their Nu.Q® Cancer platform. Key executives including Chief Commercial Officer Gael Forterre, Chief Medical Officer Dr. Andrew Retter, and Chief Scientific Officer Dr. Jake Micallef will present.
The event will showcase findings from large independent studies supporting their Nu.Q® platform in cancer detection. Notably, recent research undergoing peer review indicates that the Nu.Q® Cancer test successfully detected multiple common cancers (lung, breast, prostate, colon, and liver) with an overall AUC of 86% and low false positive rates.
The company is targeting two significant market opportunities:
- The lung cancer market (screening, prognostication, and minimal residual disease) estimated at $4 billion
- The liquid biopsy market for multi-cancer early detection in the U.S., valued at approximately $20 billion
Actinium Pharmaceuticals (NYSE: ATNM) announced a business update presentation at Trump Mar-a-Lago Club, following their March 25th Investor KOL Event. The company highlighted three key clinical programs targeting multi-billion-dollar markets:
1. Actimab-A for myeloid malignancies and solid tumors:
- Phase 2/3 trial in combination with CLAG-M for AML
- Clinical trials for solid tumors with PD-1 inhibitors
2. Iomab-ACT for cell & gene therapy conditioning:
- Commercial CAR-T trial data from UT Southwestern
- Sickle cell disease trial data from Columbia University
3. Infrastructure Development:
- Manufacturing facility build-out starting next quarter
- Proprietary Actinium-225 cyclotron technology development
The company reports a strong balance sheet with runway into mid-2027, with multiple clinical milestones expected in 2025.
Actinium Pharmaceuticals (NYSE: ATNM) announces a KOL investor call highlighting three major market opportunities for their targeted radiotherapies. The call features Dr. Ehab Atallah from Medical College of Wisconsin discussing Actimab-A clinical results and upcoming trials.
The company is pursuing three distinct multi-billion-dollar opportunities:
- Actimab-A as a mutation agnostic, backbone therapy for myeloid malignancies
- Actimab-A combined with PD-1 inhibitors (KEYTRUDA and OPDIVO) for solid tumors
- Iomab-ACT as a universal targeted conditioning agent for cell & gene therapies
The presentation will cover clinical proof of concept data from frontline AML trial under NCI CRADA, the new Actimab-A solid tumor program with checkpoint inhibitors, and Iomab-ACT commercial CAR-T trial, along with other 2025 milestones.
Actinium Pharmaceuticals (NYSE: ATNM) has published results in the journal Leukemia for its Actimab-A + CLAG-M combination therapy trial in relapsed/refractory acute myeloid leukemia (r/r AML) patients. The trial demonstrated significant outcomes including:
- 18.4 months median Overall Survival in patients with 1-2 prior therapy lines
- 75% measurable residual disease negativity (MRD-) across all patients
- Strong efficacy in high-risk patients: 83.3% MRD- in TP53 mutation cases and 100% in prior Venetoclax therapy patients
- 71% of eligible patients received bone marrow transplant with 24.05 months median survival
The company plans to initiate a pivotal Phase 2/3 trial in 2025, comparing Actimab-A + CLAG-M versus CLAG-M alone in r/r AML patients. The treatment showed particular promise for high-risk patients, with results significantly exceeding historical survival rates of 2.4-4.6 months in Venetoclax-failed patients.
Actinium Pharmaceuticals (NYSE AMERICAN: ATNM), a leader in targeted radiotherapies, has announced its participation in the upcoming 37th Annual Roth Conference, scheduled for March 16th to 18th, 2025.
The company's management team will be available for one-on-one meetings with investors on March 17th and 18th. Interested investors can arrange meetings through their ROTH representative or by submitting a registration request at Roth2025Registration.
Actinium Pharmaceuticals (NYSE: ATNM) has initiated a groundbreaking clinical trial under its CRADA with the National Cancer Institute, testing a first-ever triplet combination therapy for newly diagnosed AML patients. The trial (NCT06802523) will evaluate Actimab-A in combination with Venetoclax and ASTX-727.
Actimab-A, a humanized anti-CD33 antibody with Actinium-225 payload, will be combined with Venetoclax (a Bcl-2 inhibitor) and ASTX-727 (an oral hypomethylating agent). The study aims to assess Complete Remission rates and safety parameters, with initial clinical data expected in 2H:2025.
Previous Phase 1 trials demonstrated Actimab-A's mutation agnostic properties and synergistic potential. The company aims to establish Actimab-A as a backbone therapy for AML treatment, targeting over 100,000 patients with AML and other myeloid malignancies in the U.S. and major international markets.
Bally's (NYSE: BALY) has completed its merger with The Queen Casino & Entertainment, resulting in Queen shareholders receiving 30.5 million shares. The company paid cash consideration of $18.25 per share to holders of 22.8 million outstanding shares, financed through $500 million in senior secured notes and available funds.
Following the transaction, 17.9 million shareholders retained their stock through rollover election, bringing the total outstanding shares to 48.4 million. Additionally, warrants for 11.6 million shares remain outstanding. The company now operates 19 casinos across 11 U.S. states, including a golf course in New York and a horse racetrack in Colorado.
Two properties, Belle of Baton Rouge and Casino Queen Marquette, are undergoing land-side conversions expected to complete in 2025. Bally's maintains online sports betting licenses in 13 North American jurisdictions and operates Bally Bet and Bally Casino platforms.
Actinium Pharmaceuticals (NYSE AMERICAN: ATNM) announced FDA clearance for an IND application to study Iomab-ACT for targeted conditioning prior to bone marrow transplant (BMT) in sickle cell disease patients. The study, in collaboration with Columbia University, aims to evaluate Iomab-ACT's safety and potentially inform future gene therapy conditioning trials. Iomab-ACT, an Antibody Radiation Conjugate targeting CD45, could replace current non-targeted chemotherapy and total body irradiation conditioning methods, potentially reducing severe side effects and broadening access to curative cellular therapies. This initiative addresses the high unmet need among approximately 100,000 U.S. sickle cell patients annually. The study aligns with Actinium's strategy to expand Iomab-ACT's applications in transplant, cell therapy, and gene therapy conditioning, tapping into a growing market for CAR-T and gene therapies expected to reach 93,000 U.S. patients by 2030.
Actinium Pharmaceuticals announced that the Phase 3 SIERRA trial results of Iomab-B will be presented at the EHA 2024 Congress. The trial demonstrated significant survival benefits in older patients with relapsed or refractory acute myeloid leukemia (r/r AML) receiving an Iomab-B led bone marrow transplant (BMT). Patients with TP53 mutations saw a median overall survival of 5.49 months compared to 1.66 months for those not receiving Iomab-B. The trial enrolled high-risk patients and showed 92% 1-year survival and 69% 2-year survival rates in those receiving Iomab-B led BMT.
