Major U.S. Patient Studies Unveiled by 5Q Spectra at Davos Healthcare™

Advancing the Breakthrough PSB Blood Test Toward Global Adoption and a New Standard of Care in Prostate Cancer Detection

NEW YORK, Sept. 14, 2026 /PRNewswire/ -- 5Q Spectra will introduce the next major phase of its clinical program for the PSB blood test for prostate cancer at Davos Healthcare on Sept. 14, advancing 15 years of scientific development toward broader clinical validation and adoption in urologic oncology and prostate cancer care.

5Q is undertaking a 'retrospective' study involving more than 250 men, followed in early 2027 by a major 'prospective', randomized clinical study expected to enroll more than 1,000 patients. Together, these studies will further validate 5Q's PSB blood test across a broad, real-world patient population and its ability to quantitatively distinguish different levels of prostate cancer risk following an elevated PSA.

Unlike a simple positive-or-negative result, 5Q's PSB blood test provides urologists with a quantitative score across a continuum of prostate cancer risk — giving physicians and patients a clearer picture of what an elevated PSA may mean and a stronger basis for deciding what should happen next. The prospective study is intended to provide the rigorous level of clinical evidence increasingly important to physicians, insurers, guideline organizations and major health systems considering the adoption of a potential new diagnostic standard.

"Breakthrough medicine does not become everyday medicine on promise alone — it advances on the strength of clinical evidence," said Dr. Rajiv Dahiya, Co-Founder and Managing Director of 5Q Spectra. "Real-world evidence and prospective validation are how we have built, and will continue to build, clinical confidence in 5Q's PSB blood test and ultimately give physicians and patients a more precise and actionable understanding of prostate cancer risk".

"For 5Q, this is an exciting inflection point," said Steven de Jaray, Co-Founder and CEO of 5Q Spectra. "After fifteen years of new science and development, we are now expanding the medical and clinical foundation needed to take PSB from our current patient introduction toward everyday prostate cancer care around the world. We believe the PSB blood test has the potential to fundamentally improve what happens following an elevated PSA, and we are tremendously excited to advance it through these large clinical studies toward broader global adoption and a potential new standard of care."

About 5Q Spectra Corp.

5Q Spectra develops blood-based molecular diagnostic technologies designed as clinical tools to support earlier and more actionable detection of cancer. Its flagship Prostate Dx™ / PSB test in use by urologists following an elevated PSA and is currently available as a Laboratory Developed Test (LDT) through CLIA-certified laboratories.

Contact: Steven de Jaray Web: 5QSpectra.com, Email: [email protected], Call:  1.689.888.8889

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SOURCE 5QSpectra