OPKO Announces Publication of Large, Prospective, Multi-Institutional Clinical Validation of the 4Kscore™ Test for High Grade Prostate Cancer in the United States

OPKO Health (Ireland)

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November 10, 2014 8:37am EST

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MIAMI--(BUSINESS WIRE)--

OPKO Health, Inc. (NYSE:OPK) today announced the online publication of a

multi-institutional, prospective study of the 4Kscore Test in the

journal European

Urology . The results of the study demonstrated that the 4Kscore

provides a patient with accurate and personalized information about

their risk of having Gleason Score ≥7 prostate cancer, making it a

useful tool for selecting men who have significant disease and are most

likely to benefit from a prostate biopsy.

“The clinical validation of the 4Kscore Test has confirmed the accuracy

of the 4Kscore Test to identify men harboring a high grade prostate

cancer in a diverse United States population,” said Dr. Dipen Parekh,

Professor and Chair, Department of Urology at the University of Miami

and principal investigator for the study. “The results confirm that the

4Kscore Test addresses an important need by providing urologists and

their patient a calibrated, individual score for a patient’s risk of

aggressive prostate cancer and thus provides information useful in the

shared decision making discussion between Urologists and patients on

whether to undergo a prostate biopsy.”

“The United States clinical validation confirms prior work published on

multiple cohorts of men that were part of the European Research Study on

Prostate Cancer Screening (ERSPC) using the same biomarkers used in the

4Kscore Test,” said David Okrongly, President of OPKO Diagnostics. “We

are continuing to analyze the patient data coming from our U.S. clinical

validation study, in particular to look at associations between the

4Kscore and pathology outcomes in both biopsy and radical prostatectomy

specimens.”

About Prostate Cancer

According to the World Health Organization, prostate cancer is the

second most common cancer in men worldwide, with over 1.1 million men

diagnosed with prostate cancer in 2012 and over 300,000 men dying from

the disease. In countries like the U.S. where screening for prostate

cancer with the PSA test began 20 years ago, there has been a sharp

decline in prostate cancer mortality and sharp rise in the incidence of

prostate cancers detected. However, most of the prostate cancers that

are now detected are an indolent, non-life threatening form of the

disease. The net result has been over detection and over treatment of

indolent prostate cancers and a rise in the complications from prostate

cancer treatment such as erectile dysfunction, urinary obstruction and

incontinence.

About the 4Kscore Test

The 4Kscore is the only blood test that accurately identifies risk for

aggressive prostate cancer. The 4Kscore measures the blood plasma levels

of four different prostate-derived kallikrein proteins: Total PSA, Free

PSA, Intact PSA and Human Kallikrein-2 (hK2). These biomarkers are

combined with a patient's age, Digital Rectal Exam (DRE) status (nodule

/ no nodule), and prior negative biopsy status (yes / no) using a

proprietary algorithm to calculate the risk (probability) of finding a

Gleason Score 7 or higher prostate cancer. The four kallikrein panel of

biomarkers utilized in the 4Kscore Test is based on over a decade of

research conducted by scientists at Memorial Sloan-Kettering Cancer

Center and leading European institutions. The 4Kscore Test provides

individualized risk for the presence of aggressive prostate cancer and

adds new information to the shared decision making discussion between a

Urologist and patient.

About OPKO Health

OPKO is a multinational biopharmaceutical and diagnostics company that

seeks to establish industry leading positions in large, rapidly growing

markets by leveraging its discovery, development and commercialization

expertise and novel and proprietary technologies. For more information,

visit http://www.opko.com .

SAFE HARBOR STATEMENT

This press release contains "forward-looking statements," as that

term is defined under the Private Securities Litigation Reform Act of

1995 (PSLRA), which statements may be identified by words such as

"expects," "plans," "projects," "will," "may," "anticipates,"

"believes," "should," "intends," "estimates," and other words of similar

meaning, including statements regarding expected benefits of the 4Kscore

Test, that the 4Kscore will accurately identify risk for aggressive

prostate cancer, whether the test will bring exceptional value to

European and U.S. healthcare, whether the test will bring great benefit

to patients and the healthcare system by helping avoid the cost of

unnecessary, sometimes harmful procedures, whether the 4KscoreTest can

make a significant contribution to help target the right patients for

aggressive treatment and avoid the harms that accompany over detection

and over treatment of indolent prostate cancer, expected growth in use

of the test in the U.S. and Europe and whether OPKO will launch the test

in Latin America, whether the test will accurately predict high-grade

cancers, whether OPKO will successfully commercialize the 4Kscore, the

market for and expected sales of 4Kscore, whether the test will be an

important benefit for Urologists and their patients, as well as other

non-historical statements about our expectations, beliefs or intentions

regarding our business, technologies and products, financial condition,

strategies or prospects. Many factors could cause our actual activities

or results to differ materially from the activities and results

anticipated in forward-looking statements. These factors include those

described in our filings with the Securities and Exchange Commission, as

well as the risks inherent in funding, developing and obtaining

regulatory approvals of new, commercially-viable and competitive

products and treatments. In addition, forward-looking statements may

also be adversely affected by general market factors, competitive

product development, product availability, federal and state regulations

and legislation, the regulatory process for new products and

indications, manufacturing issues that may arise, patent positions and

litigation, among other factors. The forward-looking statements

contained in this press release speak only as of the date the statements

were made, and we do not undertake any obligation to update

forward-looking statements. We intend that all forward-looking

statements be subject to the safe-harbor provisions of the PSLRA.

OPKO Health, Inc.

David Okrongly, 305-575-4133

Source: OPKO Health, Inc.

Released November 10, 2014

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