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	<title>JAMA Oncology study &#8211; Science</title>
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		<title>Not All Low-Grade Prostate Cancers Pose Low Risk, Study Finds</title>
		<link>https://scienmag.com/not-all-low-grade-prostate-cancers-pose-low-risk-study-finds/</link>
		
		<dc:creator><![CDATA[Nathaniel Bowman]]></dc:creator>
		<pubDate>Thu, 31 Jul 2025 15:45:08 +0000</pubDate>
				<category><![CDATA[Cancer]]></category>
		<category><![CDATA[biopsy grading limitations]]></category>
		<category><![CDATA[cancer treatment decision-making]]></category>
		<category><![CDATA[clinical implications of prostate cancer]]></category>
		<category><![CDATA[Grade Group one prostate cancer]]></category>
		<category><![CDATA[high-risk prostate cancer]]></category>
		<category><![CDATA[intermediate-risk prostate cancer]]></category>
		<category><![CDATA[JAMA Oncology study]]></category>
		<category><![CDATA[low-grade prostate cancer risks]]></category>
		<category><![CDATA[prostate cancer management strategies]]></category>
		<category><![CDATA[prostate cancer progression]]></category>
		<category><![CDATA[SEER Program dataset]]></category>
		<category><![CDATA[Weill Cornell Medicine research]]></category>
		<guid isPermaLink="false">https://scienmag.com/not-all-low-grade-prostate-cancers-pose-low-risk-study-finds/</guid>

					<description><![CDATA[A groundbreaking new study, spearheaded by experts from Weill Cornell Medicine, University Hospitals Cleveland, and Case Western Reserve University, challenges longstanding assumptions about the generally perceived low risk associated with Grade Group one (GG1) prostate cancer. Traditionally regarded as indolent and unlikely to progress, GG1 prostate cancer is often managed conservatively, relying heavily on biopsy [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>A groundbreaking new study, spearheaded by experts from Weill Cornell Medicine, University Hospitals Cleveland, and Case Western Reserve University, challenges longstanding assumptions about the generally perceived low risk associated with Grade Group one (GG1) prostate cancer. Traditionally regarded as indolent and unlikely to progress, GG1 prostate cancer is often managed conservatively, relying heavily on biopsy results to guide this approach. However, this comprehensive investigation reveals that biopsy grading alone presents a dangerously incomplete picture, potentially understating the aggressiveness of some tumors.</p>
<p>The research, recently published in the prestigious journal JAMA Oncology, elucidates that approximately one in six men diagnosed with GG1 prostate cancer may, in fact, harbor intermediate- or high-risk disease once additional clinical data is considered. The implications of these findings are profound. The reliance on biopsy samples, which only analyze limited sections of the prostate tissue, can significantly underestimate the tumor&#8217;s true biological behavior. This underestimation leads clinicians to misclassify patients, which may result in delayed intervention or inappropriate treatment plans and ultimately poorer clinical outcomes.</p>
<p>Crucially, the study leverages a robust dataset gleaned from the National Cancer Institute’s Surveillance, Epidemiology, and End Results (SEER) Program, encompassing nearly a decade of data between 2010 and 2020. This extensive dataset included about 300,000 men diagnosed with prostate cancer localized to the gland, among whom roughly 117,000 received GG1 classifications based solely on biopsy. Such real-world, population-wide data affords an unparalleled view into diagnostic trends and outcomes, confirming the necessity of integrating multifaceted clinical parameters beyond pathology grades.</p>
<p>One of the central clinical tools evaluated alongside biopsy grade was serum prostate-specific antigen (PSA) levels, a protein biomarker intimately tied to prostate cancer activity. Elevated PSA levels, often reflective of tumor burden or aggressive disease, when cross-examined with biopsy results and tumor size, unveiled that more than 18,000 men initially labeled with low-risk GG1 cancer actually presented with higher-risk profiles. These cases arguably warranted more definitive treatments such as radiation therapy or radical prostatectomy, contrasting sharply with the standard active surveillance protocols recommended for low-grade disease.</p>
<p>Active surveillance, while a valuable strategy to avoid overtreatment and maintain quality of life, assumes the tumor will behave indolently—a premise now challenged by this study&#8217;s findings. Dr. Bashir Al Hussein, co-senior author and assistant professor at Weill Cornell Medicine, highlights a critical concern: “Our data show that up to 30 percent of GG1 patients who fall into higher-risk categories underwent active surveillance, exposing them to the risk of undertreatment.” This statistic underscores the urgent need to refine risk stratification methodologies to prevent potentially avoidable cancer progression.</p>
<p>The study&#8217;s revelations arrive amid ongoing debates about the nomenclature applied to GG1 prostate cancer. Some clinicians have proposed removing the “cancer” label from GG1 tumors in an effort to reduce patient anxiety and circumvent unnecessary interventions. However, this new research cautions against such blanket policy changes. As Dr. Jonathan Shoag from Case Western Reserve University explains, conflating biopsy-based GG1 results with post-prostatectomy grading creates a false equivalency, which could dangerously downplay the risks inherent in some cases initially identified as low grade.</p>
<p>Expanding on this nuance, Dr. Shoag points out that the biological heterogeneity of GG1 tumors means that not all such cancers share similar clinical trajectories. While many indeed progress slowly and remain localized, a subset displays adverse clinical features predictive of worse outcomes. Identifying these patients early is paramount to optimizing their prognosis. The authors stress that precision in risk classification is not merely academic; it translates directly into life-altering decisions about surveillance versus intervention.</p>
<p>The study also highlights technological limitations inherent to biopsies, which sample only focal areas of the prostate rather than offering a panoramic assessment of the entire gland. This sampling bias can lead to missed detection of more aggressive cancer zones, which are subsequently revealed only through whole-organ examination after prostatectomy. Consequently, reliance on biopsy grading alone without coupling it with clinical findings such as PSA kinetics or tumor volume risks significant underestimation, necessitating a paradigm shift in diagnostic algorithms.</p>
<p>As the understanding of GG1 prostate cancer biology evolves, the researchers advocate for patient counseling protocols that transparently communicate the risk spectrum, empowering men to make informed treatment choices. Dr. Neal Arvind Patel, the study’s first author, accentuates the need for ongoing research into the molecular and clinical characteristics underpinning the subset of GG1 tumors linked with adverse outcomes. Such insights could pave the way for novel prognostic markers and tailored therapeutic approaches that balance safety and efficacy.</p>
<p>In clinical practice, this means a patient diagnosed with GG1 prostate cancer cannot be universally assumed to need only active surveillance. Instead, a holistic assessment encompassing biopsy grade, PSA levels, tumor metrics, and possibly emerging molecular signatures should inform the therapeutic roadmap. This integrative approach holds promise for reducing both undertreatment and overtreatment, ultimately improving survival rates and quality of life for patients with prostate cancer.</p>
<p>Moreover, the findings call for caution in the rising trend towards de-labeling low-grade prostate tumors as “non-cancerous.” While psychological benefits are evident in easing patient anxiety, the medical community must weigh this against the possibility of missing early signs of aggressive disease in a notable subset. Until further advances provide clearer risk stratification tools, a one-size-fits-all rebranding remains ill-advised.</p>
<p>In sum, this seminal analysis underscores that despite advances in prostate cancer diagnostics and management, Grade Group one prostate cancer is not a monolithic entity. The heterogeneity within this group demands nuanced interpretation and personalized care. Physicians must articulate these complexities effectively to patients, ensuring that decisions about surveillance or intervention are grounded in comprehensive, multidisciplinary evidence rather than reliance on biopsy grade alone. The study marks a pivotal moment in prostate cancer research, steering the field towards greater precision medicine and ultimately better patient outcomes.</p>
<hr />
<p><strong>Subject of Research</strong>: Prostate Cancer Risk Assessment and Classification of Grade Group one (GG1) Prostate Tumors</p>
<p><strong>Article Title</strong>: New Evidence Challenges Low-Risk Label of Grade Group One Prostate Cancer, Revealing Hidden Aggressiveness</p>
<p><strong>News Publication Date</strong>: 31-Jul-2025</p>
<p><strong>Web References</strong>:</p>
<ul>
<li><a href="https://vivo.weill.cornell.edu/display/cwid-baa2012">https://vivo.weill.cornell.edu/display/cwid-baa2012</a>  </li>
<li><a href="https://case.edu/cancer/members/member-directory/jonathan-shoag">https://case.edu/cancer/members/member-directory/jonathan-shoag</a>  </li>
<li><a href="https://vivo.weill.cornell.edu/display/cwid-nap9055">https://vivo.weill.cornell.edu/display/cwid-nap9055</a>  </li>
<li><a href="https://seer.cancer.gov/">https://seer.cancer.gov/</a>  </li>
<li><a href="https://ascopubs.org/doi/10.1200/JCO.22.00123">https://ascopubs.org/doi/10.1200/JCO.22.00123</a></li>
</ul>
<p><strong>References</strong>:<br />
Published in JAMA Oncology, July 31, 2025</p>
<p><strong>Keywords</strong>: Prostate cancer, Grade Group one, GG1 tumors, biopsy limitations, prostate-specific antigen (PSA), active surveillance, cancer risk classification, prostatectomy, cancer nomenclature, clinical outcomes, radical prostatectomy, radiation therapy</p>
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		<post-id xmlns="com-wordpress:feed-additions:1">59865</post-id>	</item>
		<item>
		<title>Early PSA Testing Post-Prostate Cancer Surgery May Result in Overtreatment</title>
		<link>https://scienmag.com/early-psa-testing-post-prostate-cancer-surgery-may-result-in-overtreatment/</link>
		
		<dc:creator><![CDATA[Nathaniel Bowman]]></dc:creator>
		<pubDate>Thu, 13 Mar 2025 15:59:39 +0000</pubDate>
				<category><![CDATA[Cancer]]></category>
		<category><![CDATA[biological variability in PSA]]></category>
		<category><![CDATA[cancer recurrence monitoring]]></category>
		<category><![CDATA[early PSA testing]]></category>
		<category><![CDATA[Genitourinary Radiation Oncology]]></category>
		<category><![CDATA[implications of PSA testing]]></category>
		<category><![CDATA[JAMA Oncology study]]></category>
		<category><![CDATA[overtreatment in prostate cancer]]></category>
		<category><![CDATA[patient outcomes post-surgery]]></category>
		<category><![CDATA[prostate cancer surgery monitoring]]></category>
		<category><![CDATA[prostate specific antigen levels]]></category>
		<category><![CDATA[prostatectomy recovery timeline]]></category>
		<category><![CDATA[unnecessary prostate cancer treatments]]></category>
		<guid isPermaLink="false">https://scienmag.com/early-psa-testing-post-prostate-cancer-surgery-may-result-in-overtreatment/</guid>

					<description><![CDATA[In a groundbreaking study published in the esteemed journal JAMA Oncology, researchers from Mass General Brigham have challenged the conventional protocol for monitoring Prostate Specific Antigen (PSA) levels post-surgery in patients who have undergone prostatectomy for prostate cancer. Historically, medical practitioners have adhered to a monitoring timeframe of one-and-a-half to two months after surgical intervention [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>In a groundbreaking study published in the esteemed journal JAMA Oncology, researchers from Mass General Brigham have challenged the conventional protocol for monitoring Prostate Specific Antigen (PSA) levels post-surgery in patients who have undergone prostatectomy for prostate cancer. Historically, medical practitioners have adhered to a monitoring timeframe of one-and-a-half to two months after surgical intervention to gauge the likelihood of cancer recurrence. However, this new research suggests that this period may be woefully inadequate, as it does not reflect the biological variability observed in PSA levels, thereby risking erroneous labels of disease recurrence.</p>
<p>Elevated PSA levels have long been recognized as a significant biomarker in the post-prostatectomy phase, indicating potential residual cancerous activity. This study emphasizes the clinical ramifications of early PSA testing in patients who have previously presented with PSA levels exceeding 20 prior to surgical intervention. It was revealed that many individuals might require upwards of three months for their PSA levels to stabilize post-surgery. The implications of misjudging this timeline may lead to unnecessary treatments that could compromise patient outcomes and overall quality of life.</p>
<p>Senior author Dr. Anthony D’Amico, a prominent figure in Genitourinary Radiation Oncology at Brigham and Women’s Hospital, detailed the potential hazards associated with premature PSA testing. He noted that testing too early can lead to unfounded conclusions regarding cancer recurrence. Such misdiagnoses often prompt a swift referral to oncology specialists who may jump to initiate aggressive interventions, including salvage radiation and hormone therapy. The burden of these treatments can adversely impact a patient&#8217;s health with corresponding side effects, which can often outweigh the benefits.</p>
<p>As patients navigate their post-surgical journey, they may feel overwhelmed by the pressure to comprehend the nuances of PSA monitoring. The study advocates for a longer observation period before deciding on further treatment pathways, encouraging clinicians to consider both the emotional and physical toll that unnecessary therapies can impose. This research signifies an essential shift in clinicians&#8217; approach to the delicate balance of closely monitoring cancer survival markers without hastily advancing to invasive treatments.</p>
<p>Moreover, the research underlines the complexity of biological responses to surgical treatment. Patients experience various recovery trajectories, which can significantly affect how quickly PSA levels return to baseline. Thus, a one-size-fits-all approach is inherently flawed. Patients with higher initial PSA levels may particularly require a more extended monitoring period, and there is an urgent need for personalized treatment protocols that reflect these individual differences.</p>
<p>The importance of accurate PSA tracking cannot be overstated; persistently elevated levels have been demonstrated to correlate with poorer long-term outcomes. The findings from the research provide a crucial call to action for healthcare providers to reassess their practices and adopt a more measured and science-backed approach to post-operative monitoring. By extending the observation window to at least three months, clinicians can minimize the risk of false positives, ultimately fostering a more patient-centered treatment strategy that enhances overall health outcomes.</p>
<p>Furthermore, this research may lead to improved guidelines for not just the clinical monitoring of prostate cancer patients but also educational efforts aimed at informing patients about the significance of PSA levels and the implications of their variance over time. Knowledge empowers patients, enabling them to engage actively in decisions about their health, and fostering a collaborative dialogue with their healthcare teams.</p>
<p>As these findings permeate the medical community, it is anticipated that they will catalyze a reevaluation of standard practices and guidelines regarding prostate cancer treatment and monitoring. The research opens the door for further investigations into patient outcomes associated with delaying intervention based on PSA results. Experts may seek to refine predictive models that better account for the diverse patient experiences observed post-prostatectomy, potentially shaping the future landscape of prostate cancer care.</p>
<p>In conclusion, the study highlights the critical nuances of post-surgical PSA monitoring and advocates for a paradigm shift toward more measured approaches in evaluating cancer recurrence. The findings underscore the pressing need for ongoing research and the need to develop comprehensive guidelines that prioritize patient well-being. With further studies anticipated, the hope is that the medical community will embrace an evolving understanding of PSA as a critical factor in managing prostate cancer survivorship effectively.</p>
<p>This comprehensive approach not only promises to improve clinical practices but also underscores the importance of personalized patient care, which is increasingly vital in modern medicine. As prostate cancer treatments continue to evolve, so too must the strategies employed in monitoring and managing the disease, ensuring that patients receive the best possible outcomes based on the most current research insights.</p>
<p><strong>Subject of Research</strong>: People<br />
<strong>Article Title</strong>: Persistent PSA Following Prostatectomy for Prostate Cancer and Mortality Risk<br />
<strong>News Publication Date</strong>: 13-Mar-2025<br />
<strong>Web References</strong>: <a href="https://jamanetwork.com/journals/jama/fullarticle/10.1001/jamaoncol.2025.0110"><a href="https://jamanetwork.com/journals/jama/fullarticle/10.1001/jamaoncol.2025.0110">https://jamanetwork.com/journals/jama/fullarticle/10.1001/jamaoncol.2025.0110</a></a><br />
<strong>References</strong>: Tilki, D, et al. “Persistent PSA Following Prostatectomy for Prostate Cancer and Mortality Risk” <em>JAMA Oncology</em> DOI: /10.1001/jamaoncol.2025.0110<br />
<strong>Image Credits</strong>: Not provided.<br />
<strong>Keywords</strong>: Prostate cancer, Surgery, Radiation therapy, Endocrine system.</p>
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