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Last updated on April 16, 2014 at 10:52 EDT

FDA Approves Gen-Probe’s PROGENSA® PCA3 Assay, First Urine-Based Molecular Test to Help Determine Need for Repeat Prostate Biopsies

February 15, 2012

SAN DIEGO, Feb. 15, 2012 /PRNewswire/ — Gen-Probe (NASDAQ: GPRO) announced today the US Food and Drug Administration (FDA) has approved its PROGENSA(®) PCA3 (Prostate Cancer gene 3) assay, the first molecular test to help determine the need for repeat prostate biopsies in men who have had a previous negative biopsy.

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“When used in conjunction with other diagnostic information, our PROGENSA PCA3 assay provides clinically important information that helps physicians and their patients make better, more informed decisions about one of the most vexing problems in prostate cancer diagnosis,” said Carl Hull, Gen-Probe’s Chairman and Chief Executive Officer. “From a commercial perspective, this is the third of four potential US regulatory approvals that we expect to generate a significant new sales growth cycle for the Company.”

“Over-expression of the PCA3 gene is highly specific to cancerous prostate tissue,” said John Wei, MD, MS, Professor of Urology at the University of Michigan Health System. “When evaluated with other risk factors, the PROGENSA PCA3 assay fills an important unmet clinical need by helping physicians identify which men suspected of having prostate cancer should undergo a repeat prostate biopsy.”

The PROGENSA PCA3 assay is indicated for use in conjunction with other patient information to aid in the decision for repeat biopsy in men 50 years of age or older who have had one or more previous negative prostate biopsies and for whom a repeat biopsy would be recommended by a urologist based on the current standard of care, before consideration of PROGENSA PCA3 assay results. A negative PROGENSA PCA3 assay result is associated with a decreased likelihood of a positive biopsy. A prostate biopsy is required to diagnose cancer.

Important Safety Information

The PROGENSA PCA3 assay should not be used for men with atypical small acinar proliferation (ASAP) on their most recent biopsy. Men with ASAP on their most recent biopsy should be treated in accordance with current medical guidelines.

The clinical study of the PROGENSA PCA3 assay only included men who were recommended for repeat biopsy. Therefore, the performance of the assay has not been established in men for whom a repeat biopsy was not already recommended.

FDA approval of the PROGENSA PCA3 assay was based on a clinical study that began in August 2009 and concluded in May 2010. The study enrolled 495 eligible men at 14 clinical sites. Gen-Probe submitted a Premarket Approval Application (PMA) to the FDA in August 2010.

In the clinical study, the PROGENSA PCA3 had a negative predictive value of 90%, meaning that a negative PROGENSA PCA3 assay result predicted a negative prostate biopsy 90% of the time.

About Prostate Cancer and the PROGENSA PCA3 Assay

According to the American Cancer Society (ACS), prostate cancer is the second most common type of cancer found in American men (behind skin cancer), and the second-leading cause of cancer death in men (after lung cancer). One in six American men will get prostate cancer during his lifetime, and one in 36 will die from it. The ACS estimates that about 241,000 Americans were newly diagnosed with prostate cancer in 2011, and that approximately 34,000 men died from the disease.

PCA3 is a gene that is highly over-expressed in prostate cancers. Following a digital rectal examination, the PCA3 gene can be quantified in urine specimens together with the prostate-specific antigen (PSA) gene to generate a PCA3 score. Studies have shown that because the PCA3 gene is highly specific for prostate cancer, it predicts the results of repeat biopsies more accurately than traditional serum PSA testing in patients who have had one or more previous negative prostate biopsies.

Data from more than 80 peer-reviewed publications suggest that PCA3 gene testing, when used with other patient information, may help address some of the well-known challenges urologists face, such as identifying prostate cancers while reducing unnecessary repeat biopsies.

Gen-Probe’s PROGENSA PCA3 assay is the first urine-based molecular diagnostic assay to aid in the decision for repeat biopsy. The test has received regulatory approval and is available for sale in the United States, Canada and the European Union.

Gen-Probe acquired exclusive worldwide diagnostic rights to the PCA3 gene from DiagnoCure (CUR: TO) in November 2003.

About Gen-Probe

Gen-Probe is a global leader in the development, manufacture and marketing of rapid, accurate and cost-effective molecular diagnostic products and services that are used primarily to diagnose human diseases, screen donated human blood, and ensure transplant compatibility. Gen-Probe is headquartered in San Diego and employs approximately 1,400 people. For more information, go to http://www.gen-probe.com.

Caution Regarding Forward-Looking Statements

Any statements in this press release about Gen-Probe’s expectations, beliefs, plans, objectives, assumptions or future events or performance are not historical facts and are forward-looking statements. These statements are often, but not always, made through the use of words or phrases such as believe, will, expect, anticipate, estimate, intend, plan and would. For example, statements concerning the development and commercialization of new products, regulatory approvals, customer adoption, and results of future clinical studies are all forward-looking statements. Forward-looking statements are not guarantees of performance. They involve known and unknown risks, uncertainties and assumptions that may cause actual results, levels of activity, performance or achievements to differ materially from those expressed or implied. Some of the risks, uncertainties and assumptions that could cause actual results to differ materially from estimates or projections contained in the forward-looking statements include but are not limited to: (i) the possibility that the market for the sale of our PROGENSA PCA3 product in the United States or Canada may not develop as expected; (ii) the risk that we may not be able to compete effectively; (iii) the risk that adequate reimbursement will not be available for our PROGENSA PCA3 assay; (iv) the risk that we may not be able to maintain our current corporate collaborations and enter into new corporate collaborations or customer contracts; and (v) the risk that third parties may not distribute our products effectively. The foregoing describes some, but not all, of the factors that could affect our ability to achieve results described in any forward-looking statements. For additional information about risks and uncertainties we face and a discussion of our financial statements and footnotes, see documents we file with the SEC, including our most recent annual report on Form 10-K and all subsequent periodic reports. We assume no obligation and expressly disclaim any duty to update any forward-looking statement to reflect events or circumstances after the date of this news release or to reflect the occurrence of subsequent events.

SOURCE Gen-Probe Incorporated


Source: PR Newswire