Flotufolastat F-18

Feb. 27, 2026 -- Blue Earth Diagnostics, a Bracco company and recognized leader in the development and commercialization of innovative positron emission tomography (PET) radiopharmaceuticals, today announced results from the first head-to-head study comparing urinary bladder radioactivity between two prostate-specific membrane antigen (PSMA)-targeted PET radiopharmaceuticals. This prospective, multicenter, intra-patient comparison evaluated urinary radioactivity and lesion detection rates of POSLUMA® (flotufolastat F 18) and piflufolastat F 18 in men with low prostate-specific antigen (PSA) biochemical recurrence (BCR) of prostate cancer following radical prostatectomy. The study met its primary endpoint, demonstrating statistically significant lower urinary bladder radioactivity with POSLUMA compared with piflufolastat F 18, as measured by mean standardized uptake value (SUVmean). Across 55 evaluable patients, median bladder SUVmean was 10.9 for POSLUMA and 29.0 for piflufolastat F 18, with a median difference of 15.1 (interquartile range, 8.5–27.0; p1. "For men who have already undergone surgery for prostate cancer, a rising PSA can be deeply concerning, especially when conventional imaging cannot clearly show whether or where the disease has returned," said Dr. Eugene Teoh, Chief Medical Officer of Blue Earth Diagnostics. "This head-to-head study provides important clinical evidence from a rigorous intra-patient comparison, demonstrating that POSLUMA exhibits significantly lower urinary radioactivity while maintaining meaningful detection capability in men with early biochemical recurrence. Urinary activity can impact image interpretation, which is of particular consideration at very low PSA levels, where precise localization is critical. These results reinforce the role of POSLUMA as a PSMA-PET imaging agent intelligently designed to support confident image assessment in anatomically challenging regions and reflect our continued commitment to advancing molecular imaging through high-quality clinical evidence." "This rigorous head-to-head study provides high quality evidence that POSLUMA has significantly lower urinary bladder radioactivity compared to piflufolastat F 18, confirming prior studies," said Phillip Kuo, Kuo Radiology LLC. "POSLUMA also exhibited higher detection rates for recurrence compared to piflufolastat F 18, which highlights its potential to improve patient management." Results from Blue Earth Diagnostics' head-to-head study have been published in the European Journal of Nuclear Medicine and Molecular Imaging and were just presented at the 2026 ASCO Genitourinary Cancers Symposium (ASCO GU), on February 26, 2026, in San Francisco, California. A prospective, multicenter, intra-patient head-to-head comparator study evaluating the urinary bladder radioactivity and lesion detection rates of POSLUMA® (flotufolastat F 18) and piflufolastat F 18 in men with low prostate-specific antigen (PSA) biochemical recurrence (BCR) of prostate cancer following radical prostatectomy. A total of 55 patients were evaluated with BCR and PSA levels ≤0.5 ng/mL. The study's primary endpoint was a calculated difference in bladder SUVmean as determined by quantification software. Secondary endpoints were detection rate analyses including patient level and subgroups, PSA level, prostate bed and related subregions, and pelvic lymph nodes. Blue Earth Diagnostics, an indirect subsidiary of Bracco Imaging S.p.A., is a growing international molecular imaging company focused on delivering innovative, well-differentiated diagnostic solutions that inform patient care. Formed in 2014, the Company's success is driven by its management expertise and supported by a demonstrated track record of rapid development and commercialization of positron emission tomography (PET) radiopharmaceuticals. Blue Earth Diagnostics' expanding portfolio encompasses a variety of disease states, including oncology. Blue Earth Diagnostics is committed to the timely development and commercialization of precision radiopharmaceuticals for potential use in diagnostic imaging. For more information, please visit: www.blueearthdiagnostics.com. Bracco Group was founded in 1927, operates in the healthcare sector across more than 100 countries and is a recognized global leader in diagnostic imaging. With a workforce of over 3,800 employees and consolidated annual revenues of approximately €2 billion—88% generated from international markets—Bracco demonstrates a strong commitment to innovation by investing around 9% of its reference turnover in Research & Development. These investments are primarily focused on imaging diagnostics and medical devices. The Group holds more than 2,000 active patents worldwide. Reference 1 Nordquist, L.T., Andrews, J.R., Kuo, P.H. et al. An intra-patient contemporaneous comparison of 18F-piflufolastat and 18F-flotufolastat urinary radioactivity and pelvic region detection rates in men with low PSA biochemical recurrence of prostate cancer after radical prostatectomy. Eur J Nucl Med Mol Imaging (2026). Online ahead of print. DOI: 10.1007/s00259-025-07732-y The content above comes from the network. if any infringement, please contact us to modify.

St Bartholomew's Hospital and The James Cook University Hospital mark key UK expansion of the company's Phase 2 mCRPC programme The patients received Lutetium (177Lu) rhPSMA-10.1 Injections at both St Bartholomew's Hospital, London, and The James Cook University Hospital, Middlesbrough Lutetium (177Lu) rhPSMA-10.1 Injection, engineered with the aim of improving delivery of radiation to the prostate cancer lesions whilst minimising exposure to normal organs Phase 1 part of the study reported positive results with encouraging radiation dosimetry(1) Phase 2 is designed to further assess safety, to assess efficacy and to evaluate novel dosing regimens OXFORD, England, Jan. 15, 2026 /PRNewswire/ -- Blue Earth Therapeutics today announced that the first patients in the UK have been administered with the investigational radiopharmaceutical therapy Lutetium (177Lu) rhPSMA-10.1 Injection in an ongoing Phase 2 clinical trial (NCT05413850) at St Bartholomew's Hospital and The James Cook University Hospital. This milestone marks continued expansion of the clinical development programme for the company's radiohybrid, lutetium-labelled, PSMA-targeted investigational radiopharmaceutical therapy in men with metastatic castration-resistant prostate cancer (mCRPC). Dr Kenrick Ng, Medical Oncology Consultant, St Bartholomew's Hospital, London, said: "Dosing one of the first patients in the UK in this Phase 2 study is an important milestone as we work to advance new therapeutic options for men with metastatic castration-resistant prostate cancer. Radiopharmaceuticals represent a promising area of investigation in this difficult-to-treat setting, and the team at our hospital is pleased to contribute to the generation of the clinical evidence needed to understand the potential of this investigational treatment." Dr Darren Leaning, Consultant Clinical Oncologist, The James Cook University Hospital, Middlesbrough, said: "Bringing this study to the UK is an important step in expanding access to complex radiopharmaceutical trials. Delivering studies of this kind requires close collaboration across clinical, research, and nuclear medicine teams, we at the James Cook Cancer Institute pride ourselves on bringing studies like this to our Teesside patients and we are pleased to be working with colleagues at other NHS trusts and the radiopharmaceutical industry to support the generation of high-quality clinical data for patients with advanced prostate cancer." The milestone of administering the first doses to patients in the UK highlights growing momentum for the Lutetium (177Lu) rhPSMA-10.1 Injection clinical programme. Other sites in the UK are actively screening patients for this study. Activation of UK clinical sites broadens the study's international footprint and supports the generation of high-quality evidence across multiple healthcare settings. The expansion supports ongoing efforts to evaluate novel dosing strategies and contributes to the future global development of this PSMA-targeted radioligand therapy. David Gauden, CEO of Blue Earth Therapeutics, said: "Dosing the first patients in the UK marks a pivotal step in our mission to advance radiopharmaceutical treatments for prostate cancer. With our company being headquartered in the UK, this milestone reflects our commitment to the UK's life sciences vision to accelerate clinical research and translate innovation into meaningful patient benefit. We are proud to work in partnership with UK investigators, the NHS and patients to help strengthen the UK's position as a global leader in life sciences excellence." The Phase 2 is evaluating multiple strategies to optimise dosing by delivering higher radiation doses during the early treatment cycles when tumour burden is typically greatest. This approach differs from earlier pivotal studies of radioligand therapies where fixed dosing was applied uniformly across all cycles(2). The study design aligns with the US FDA's Project Optimus initiative, which encourages dose optimisation early in development to support a favourable benefit–risk profile. Front loading of radioactivity in Phase 2 will be achieved either by (a) giving higher radioactivity injections in the first two cycles or (b) shortening the interval between the first three injections of radioactivity from six weeks to three weeks. The study also evaluates the potential clinical benefit of delivering higher cumulative administered radioactivity, up to 60 GBq. As part of the study design, the primary measure of efficacy will be the proportion of patients achieving a ≥50% reduction in prostate-specific antigen (PSA) levels alongside a detailed assessment of safety and capturing radiation dosimetry data for all patients. About metastatic prostate cancer In 2025 it is estimated that there will be 50,055 new cases of metastatic prostate cancer in the United States (de novo diagnoses plus recurrence from earlier stage diagnoses).(3) Five-year survival for newly diagnosed metastatic prostate cancer is low, 36.6%.(4) While death rates from prostate cancer have declined over the past three decades(4), there is still considerable room to improve patient outcomes. About Radiohybrid Prostate‐Specific Membrane Antigen (rhPSMA) rhPSMA compounds are referred to as radiohybrid ("rh"), as each molecule possesses four distinct domains. The first consists of a Prostate‐Specific Membrane Antigen‐targeted receptor ligand. It is attached to two labelling moieties which may be radiolabelled with diagnostic isotopes such as 18F or 68Ga for PET imaging, or with therapeutic isotopes such as 177Lu or 225Ac for radioligand therapy, all of which are joined together by a modifiable linker which can be used to modulate important pharmacokinetic characteristics. Radiohybrid PSMA offers the potential for targeted treatment for men with prostate cancer and originated at the Technical University of Munich, Germany. Blue Earth Diagnostics acquired exclusive worldwide rights to rhPSMA diagnostic imaging technology from Scintomics GmbH in 2018, and therapeutic rights in 2020, and has sublicensed the therapeutic application to its sister company Blue Earth Therapeutics. About Blue Earth Therapeutics Blue Earth Therapeutics is a clinical stage company dedicated to advancing next-generation targeted radiotherapeutics to treat patients who have cancer and has been incubated within the Bracco family of companies. Other investors joined with Bracco in a Series A financing round in 2024. With proven management expertise across the spectrum of radiopharmaceutical and oncology drug development, as well as biotechnology start‐up experience, the Company aims to innovate and improve upon current technologies and rapidly advance new targeted therapies for serious diseases. Blue Earth Therapeutics has an emerging pipeline initially focused on prostate cancer. For more information, please visit: . About Bracco Imaging Bracco Imaging S.p.A., part of the Bracco Group, is a world‐leading diagnostic imaging provider. Headquartered in Milan, Italy, Bracco Imaging develops, manufactures and markets diagnostic imaging agents and solutions. It offers a product and solution portfolio for all key diagnostic imaging modalities: X‐ray imaging (including Computed Tomography‐CT, Interventional Radiology, and Cardiac Catheterization), Magnetic Resonance Imaging (MRI), Contrast Enhanced Ultrasound (CEUS), and Nuclear Medicine through radioactive tracers and novel PET imaging agents to inform clinical management and guide care for cancer patients in areas of unmet medical need. Our continually evolving portfolio is completed by a range of medical devices, advanced administration systems and dose‐management software. In 2019 Bracco Imaging enriched its product portfolio by expanding the range of oncology nuclear imaging solutions in the urology segment and other specialties with the acquisition of Blue Earth Diagnostics. In 2021, Bracco Imaging established Blue Earth Therapeutics as a separate, cutting‐edge biotechnology vehicle to develop radiopharmaceutical therapies. Visit: . NCT04647526, NCT05204927, NCT04720157, NCT04689828 Gallichio L et al, JNCI J Natl Cancer Inst (2022) 114(11): djac158 SEER 22 database, Contact: For Blue Earth Therapeutics Harriet Cheshire, Senior Manager, Corporate Development and Communications [email protected] UKBET-rh-2600001 | January 2026 Logo - SOURCE Blue Earth Therapeutics Limited 21% more press release views with Request a Demo