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Stockholm3 included in the American Urological Association (AUA) guidelines for early detection of prostate cancer
2023-05-04 08:00:00

Stockholm3 has been mentioned as a biomarker test in the revised 2023 American Urological Association (AUA) guidelines for early detection of prostate cancer. The AUA guidelines cite a publication (Grönberg et al. 2015, Lancet Oncology1) which has shown that Stockholm3 has a higher predictive accuracy compared to PSA alone, with the advantage of reducing unnecessary biopsies. The AUA guidelines further state that clinicians may use adjunctive biomarkers, such as Stockholm3, for men with elevated PSA levels as well as after a negative biopsy when the decision to perform a re-biopsy would be affected.

The AUA guidelines state that the PSA blood test remains the first-line screening test of choice based on randomized trials of PSA-based screening showing reductions in metastasis and prostate cancer death. The AUA guidelines cite a publication (Grönberg et al. 2015, Lancet Oncology1) which has shown that Stockholm3 has a higher predictive accuracy compared to PSA alone, with the advantage of reducing unnecessary biopsies. The AUA states that further validation in diverse populations to confirm findings in Europe will be necessary to move forward into practice.

“The evaluation of Stockholm3 in diverse populations is well underway with the multi-centred, multi-ethnic, North American SEPTA-STHLM3 trial that closes recruitment in June 2023. We expect to be able to present results from this study in 2024, which will provide further clinical evidence and hopefully support a broader use of Stockholm3 in one of the largest global markets”, says David Rosén, CEO of A3P Biomedical.

The AUA guidelines state, “Clinicians may use adjunctive urine or serum markers when further risk stratification would influence the decision regarding whether to proceed with biopsy – Conditional Recommendation; Evidence Level: Grade C.” The guidelines also state, “After a negative biopsy, clinicians may use blood, urine, or tissue-based biomarkers selectively for further risk stratification if results are likely to influence the decision regarding repeat biopsy or otherwise substantively change the patient’s management – Conditional Recommendation; Evidence Level: Grade C.”

Prostate cancer is the most common form of cancer in American men. In 2023, it is estimated that 288,300 men will be diagnosed and that 34,700 will die from prostate cancer in the United States. Early detection is crucial for improved treatment outcome and decreased mortality in prostate cancer.

1Gronberg H, Adolfsson J, Aly M et al: Prostate cancer screening in men aged 50-69 years (sthlm3): A prospective population-based diagnostic study. Lancet Oncol 2015; 16: 1667

For additional information, please contact:

David Rosen, CEO
Telephone: +46 10 1823325
Email: david.rosen@a3p.com

About A3P Biomedical

A3P Biomedical’s mission is to improve quality of life of men by radically increasing the precision in prostate cancer diagnostics. The company’s lead product is Stockholm3, a blood test for early detection of aggressive prostate cancer. Stockholm3 has been developed by scientists at Karolinska Institutet and validated in clinical studies including more than 75,000 men. A3P Biomedical is headquartered in Stockholm, Sweden. For more information, please visit www.a3p.com.

About Stockholm3

Stockholm3 is a blood test that combines protein markers, genetic markers, clinical data, and a proprietary algorithm, to predict the risk of aggressive prostate cancer at an early stage. In clinical practice, Stockholm3 finds 100 percent more aggressive prostate cancers and reduces 50 percent of unnecessary biopsies compared to current practice with PSA (1).

Stockholm3 has been evaluated in clinical studies with more than 75,000 men. Data from the latest pivotal study, a randomized study including 12,750 men, was published in The Lancet Oncology in 2021. The study was also awarded the European Association of Urology (EAU) "Prostate Cancer Research Award 2022". Multiple additional studies have been published in high-impact journals, including a previous study with 58,000 men, published in The Lancet Oncology in 2015 (1).

Based on robust peer-reviewed clinical data, leading Nordic healthcare providers such as Capio S:t Görans Hospital in Sweden and Stavanger University Hospital in Norway have replaced PSA with Stockholm3. Region Värmland has introduced general screening for prostate cancer with the help of Stockholm3 for men in the age category 50-75. Patients benefit from a more precise test (increasing sensitivity and specificity) and healthcare providers can reduce the direct costs by 17 to 28 percent (1).

(1) Publications, results and clinical validation.

About prostate cancer

Prostate cancer is the second most common male cancer, and the fifth leading cause of cancer related death in men worldwide. According to WHO, 1.4 million men were diagnosed with prostate cancer and 375,000 deaths were reported in 2020. Incidence of prostate cancer is expected to increase by 70 percent until 2040, driven by an aging population.

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Stockholm3 included in American guidelines as a primary test for early detection of prostate cancer

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