A new analysis of prostate cancer care in the United States suggests that focal therapy—an approach designed to destroy only the tumor-bearing portion of the prostate rather than treating the entire gland—has been used in clinical settings where its routine application is not supported by current guidelines. The retrospective study, published in JAMA, examined data from approximately 1.18 million patients with nonmetastatic prostate cancer treated at US cancer centers. Although focal therapy remained uncommon overall, the researchers found that roughly half of all recorded procedures occurred among patients with low-, high-, or very-high-risk disease.
Focal therapy has attracted considerable attention because it occupies a middle ground between active surveillance and whole-gland treatment. Instead of removing the prostate or irradiating the entire organ, physicians use energy or another localized method to target visible or biopsy-confirmed cancer. Depending on the technology, treatment may rely on high-intensity focused ultrasound, cryoablation, laser energy, irreversible electroporation, or other methods that cause tumor-cell death while attempting to preserve surrounding tissue. The intended benefit is to reduce complications such as urinary incontinence and erectile dysfunction, which can follow radical prostatectomy or radiation therapy.
The biological rationale is appealing but technically demanding. Prostate cancer is frequently multifocal, meaning that more than one malignant focus may exist within the gland. Imaging and biopsy can identify clinically significant lesions, but neither method guarantees that every relevant tumor focus has been detected. A focal procedure can therefore eliminate the known target while leaving undiagnosed disease elsewhere in the prostate. This uncertainty is one reason professional guidelines have generally limited the routine use of focal therapy outside carefully selected patients, clinical trials, or structured prospective studies.
The JAMA study used information from the National Cancer Database, a large registry that captures cancer diagnoses and treatment patterns from participating hospitals and cancer centers across the United States. The investigators analyzed patients with nonmetastatic prostate cancer and assessed how often focal therapy was used over time, as well as the risk categories of the patients receiving it. Because the study was retrospective, it did not assign treatments or follow patients under a controlled experimental protocol. Instead, it reconstructed real-world practice from existing medical records and registry data, providing a broad view of adoption but not the same level of evidence as a randomized clinical trial.
Risk classification is central to deciding how prostate cancer should be managed. Low-risk tumors are often slow-growing and may be monitored through active surveillance, while high- and very-high-risk cancers have a greater likelihood of extending beyond the prostate or producing distant metastases. Treatment for more aggressive disease commonly involves combinations of surgery, radiation, and systemic therapy, depending on the tumor’s features and the patient’s overall health. The study’s finding that about half of focal therapy procedures took place in low-, high-, or very-high-risk disease therefore raises different concerns at opposite ends of the spectrum: possible overtreatment in some low-risk patients and possible undertreatment in some aggressive cases.
For men with low-risk prostate cancer, the central clinical question is often whether treatment is needed immediately at all. Active surveillance can avoid or delay treatment-related side effects while physicians monitor prostate-specific antigen levels, imaging findings, and repeat biopsy results. Focal therapy may appear attractive to patients who want an intervention but hope to preserve quality of life. However, destroying a visible lesion does not necessarily eliminate the need for long-term monitoring, and the procedure itself can still produce complications. Without strong comparative evidence, it remains difficult to determine whether focal treatment offers a meaningful advantage over surveillance for most low-risk patients.
The implications are even more complex for high- and very-high-risk tumors. These cancers may contain microscopic disease beyond the treated region, including tumor cells in other parts of the prostate or outside the gland. A localized procedure that targets only one lesion may not address the full biological extent of the disease. The study does not establish that patients receiving focal therapy experienced worse outcomes, because the database analysis was designed to describe patterns of use rather than directly compare survival or cancer recurrence. Nevertheless, the distribution of treatment across risk groups highlights the gap between technological availability and evidence-based selection.
The researchers also observed that overall use of focal therapy remained uncommon. That pattern may reflect several forces operating at once: uncertainty about long-term cancer control, differences in physician training, uneven insurance coverage, limited availability of specialized equipment, and patient preference. It may also indicate that many clinicians continue to reserve focal therapy for selected cases rather than treating it as a standard alternative to surgery or radiation. Temporal trends can reveal whether a new technology is moving from experimental use into routine care, but increasing adoption alone cannot demonstrate that the treatment improves outcomes.
The findings arrive as prostate cancer diagnosis and treatment become increasingly dependent on multiparametric magnetic resonance imaging, targeted biopsy, molecular testing, and sophisticated risk modeling. These tools can improve the identification and characterization of clinically significant tumors, potentially making focal therapy more precise. Yet precision in locating a lesion is not the same as certainty that the lesion represents the entire threat. The essential unanswered questions include which patients are safest to treat, how treatment success should be measured, how often residual or recurrent cancer occurs, and whether focal therapy preserves quality of life without compromising long-term survival.
By documenting how focal therapy is being used across US cancer centers, the study provides a national snapshot of a rapidly evolving area of oncology. Its message is not that focal therapy should never be performed, but that its use requires careful alignment with tumor biology, imaging, biopsy findings, patient priorities, and the strength of available evidence. For patients, the findings underscore the importance of discussing all reasonable options—including active surveillance, surgery, radiation, and clinical trials—with a multidisciplinary care team. For researchers, they reinforce the need for prospective studies with standardized definitions of treatment success, rigorous follow-up, and outcomes that measure both cancer control and quality of life.
Subject of Research: Patterns and temporal trends in the use of focal therapy for nonmetastatic prostate cancer in US cancer centers.
Web References: https://doi.org/10.1001/jama.2026.12411
References: JAMA study based on data from the National Cancer Database; DOI: 10.1001/jama.2026.12411
Keywords: Prostate cancer, focal therapy, active surveillance, cancer treatment, National Cancer Database, oncology, urology, prostate cancer risk, cancer centers, medical imaging
Tags: cryoablation prostate cancerhigh-intensity focused ultrasound for prostateirreversible electroporation in prostatelaser energy prostate therapylocalized prostate cancer managementminimally invasive prostate treatmentnonmetastatic prostate cancer treatmentprostate cancer complications reductionProstate cancer focal therapyprostate cancer risk stratificationprostate cancer treatment guidelinestargeted prostate tumor destruction
