Sequenom CMM Announces Publication of ‘Locked Assay’ Study in American Journal of Obstetrics and Gynecology

February 10, 2011

SAN DIEGO, Feb. 10, 2011 /PRNewswire/ — Sequenom (Nasdaq: SQNM) is very pleased to announce publication in the American Journal of Obstetrics and Gynecology (doi: 10.1016/j.ajog.2010.12.060) of Sequenom CMM’s “locked assay” study.

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The paper entitled “Noninvasive detection of fetal trisomy 21 by sequencing of DNA in maternal blood: a study in a clinical setting” is available through the ‘Articles Online First’ section of the American Journal of Obstetrics and Gynecology website – http://www.ajog.org. The article is scheduled to appear in the March issue of the journal to be published both online and in print.

Study Results

The performance of a massively parallel shotgun sequencing based assay for noninvasive detection of fetal aneuploidy was evaluated on a set of 480 plasma samples from pregnant women at high-risk for fetal chromosomal aneuploidy. Utilizing 449 samples, all 39 trisomy 21 (T21) samples were correctly identified, while one of the 410 euploid samples was misclassified as T21. The overall classification showed 100% sensitivity (95% CI: 89% to 100%) and 99.7 specificity (95% CI: 98.5% to 99%). A total of 31 samples were removed due to insufficient quantity, breakage or failing pre-specified quality control criteria.

“This important study demonstrated that massively parallel shotgun sequencing is a potentially viable path for noninvasive prenatal diagnosis of fetal Trisomy 21 and warrants its validation in a larger clinical validation study,” said Harry F. Hixson, Jr. PhD, chairman and chief executive officer of Sequenom. “We are very pleased with the results from the ‘locked assay’ study and are looking forward to the completion of the larger clinical validation study later this year.”

Sequenom Center for Molecular Medicine (Sequenom CMM) initiated its pivotal clinical validation study in late December 2010. This validation study is designed to evaluate the clinical performance of the SensiGene T21 Laboratory Developed Test (LDT) for the detection of an overabundance of chromosome 21 in maternal blood, which is associated with fetal chromosome 21 aneuploidy. Testing of the clinical specimens is being performed at the Sequenom CMM CLIA-certified facility in San Diego.

About Sequenom Center for Molecular Medicine

Sequenom Center for Molecular Medicine (Sequenom CMM®) is a CAP accredited and CLIA-certified specialty reference laboratory dedicated to the development and commercialization of laboratory-developed genetic testing services for prenatal and eye conditions. Utilizing innovative proprietary technologies, Sequenom CMM provides test results that can be used as tools by clinicians in managing patient care. Testing services are available only upon request to physicians. Sequenom CMM works closely with key opinion leaders and experts in obstetrics, retinal care and genetics. The scientists use a variety of sophisticated and cutting-edge methodologies in the development and validation of tests. Sequenom CMM is changing the landscape in genetic diagnostics. Visit http://www.scmmlab.com for more information on laboratory services.

About Sequenom

Sequenom, Inc. (NASDAQ: SQNM) is a life sciences company committed to improving healthcare through revolutionary genetic analysis solutions. Sequenom develops innovative technology, products and diagnostic tests that target and serve discovery and clinical research, and molecular diagnostics markets. The company was founded in 1994 and is headquartered in San Diego, California. Sequenom maintains a Web site at http://www.sequenom.com to which Sequenom regularly posts copies of its press releases as well as additional information about Sequenom. Interested persons can subscribe on the Sequenom Web site to email alerts or RSS feeds that are sent automatically when Sequenom issues press releases, files its reports with the Securities and Exchange Commission or posts certain other information to the Web site.

SEQUENOM®, Sequenom CMM®, SensiGene®, and MassARRAY® are trademarks of Sequenom, Inc. All other trademarks and service marks are the property of their respective owners.

Forward-Looking Statements

Except for the historical information contained herein, the matters set forth in this press release, including statements regarding the potential of massively parallel shotgun sequencing as a viable path for noninvasive prenatal diagnosis of fetal Trisomy 21 and its validation in a larger clinical validation study, the expected completion of the larger clinical validation study later this year, and the Company’s commitment to improving healthcare through revolutionary genetic analysis solutions, are forward-looking statements within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially, including the risks and uncertainties associated with the Company’s ability to develop and commercialize new technologies and products, particularly new technologies such as genetic analysis platforms, noninvasive prenatal diagnostics and laboratory developed tests, reliance upon the collaborative efforts of other parties, the Company’s ability to manage its existing cash resources or raise additional cash resources, competition, intellectual property protection and intellectual property rights of others, government regulation particularly with respect to diagnostic products and laboratory developed tests, obtaining or maintaining regulatory approvals, ongoing litigation and investigations and other risks detailed from time to time in the Company’s most recent Annual Report on Form 10-K and other documents subsequently filed with or furnished to the Securities and Exchange Commission. These forward-looking statements are based on current information that may change and you are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. All forward-looking statements are qualified in their entirety by this cautionary statement, and the Company undertakes no obligation to revise or update any forward-looking statement to reflect events or circumstances after the issuance of this press release.

SOURCE Sequenom, Inc.

Source: newswire

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