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PUBLIC RELEASE DATE:
6-Jun-2007

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Contact: Sandy Van
sandy@prpacific.com
800-880-2397
Cedars-Sinai Medical Center
@cedarssinai

Researchers at Cedars-Sinai Medical Center to study airway bypass treatment for emphysema

LOS ANGELES (June 6, 2007) -- Researchers at Cedars-Sinai Medical Center announced today the start of the EASE (Exhale Airway Stents for Emphysema) Trial, an international, multi-center clinical trial to explore an investigational treatment that may offer a new, minimally-invasive option for those suffering with advanced widespread emphysema. The study focuses on an experimental procedure called airway bypass designed to create pathways in the lung for trapped air to escape with the goal of relieving shortness of breath and other emphysema symptoms.

Emphysema is a chronic, progressive, and irreversible lung disease characterized by the destruction of lung tissue. The loss of the lungs' natural elasticity and the collapse of airways in the lung combine to make exhalation ineffective, leaving the emphysema sufferer with hyperinflation because they can't get air out of their lungs. With hyperinflation, breathing becomes inefficient and the patient is always short of breath. Even the most nominal physical activities become difficult for emphysema patients and many become dependent on oxygen therapy.

"We are excited to be part of this study because currently there are limited treatment options for the emphysema patients," said Zab Mosenifar, M.D., Medical Director of Cedars-Sinai Center for Chest Diseases and principal investigator of the study at Cedars-Sinai. "Patients are often in poor physical condition, struggling with each breath. By creating new pathways for airflow with the airway bypass procedure, we hope to reduce hyperinflation and improve lung function. If patients can breathe easier it is likely to improve their quality of life."

During airway bypass, physicians will use a flexible bronchoscope to go through the mouth into the airways. There the physician will create new small pathways and place an Exhale® Drug-Eluting Stent - manufactured by Broncus Technologies, Inc. - to allow the trapped air in the lung to escape.

"The airway bypass procedure could be a good option for those who would possibly spend years on a lung transplant list or not be suitable candidates for lung transplant surgery, which is one of the only other treatment options available for patients with this type of emphysema," said Mosenifar.

Physicians commonly use bronchoscopes to examine the airways within the lungs. During the airway bypass procedure physicians will first use a Doppler probe inserted through the bronchoscope to identify a site in the airway that is away from blood vessels. A special needle is then used to make a small opening and an Exhale® Drug-Eluting Stent is placed in the passageway to keep it open. The procedure involves placing up to six drug-eluting stents. The total time of the procedure is approximately one to two hours.

This procedure is still under clinical investigation, but early data suggest it may be beneficial to patients with emphysema.

Emphysema affects an estimated 60 million people worldwide with more than 3 million sufferers in the United States. There is no cure for emphysema.

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Cedars-Sinai is currently recruiting patients for the EASE Trial. Involvement in the study will last from approximately 15 months up to 5 years (depending on if the patient is randomized to the control or the treatment group) and include 8 to 16 physician appointments. All study-related medical procedures will be carried out at no charge to the patient and patients will be closely monitored throughout the trial. Participants will also receive at least 14 weeks of pulmonary rehabilitation therapy. If you or someone you know over the age of 35 have been diagnosed with advanced widespread emphysema and no longer smoke (or would be willing to stop smoking two months prior to the study), you may qualify to participate in this study. For more information please call 866-431-3273 or visit www.EASEtrialUS.com.

About Cedars-Sinai Medical Center

The first in Southern California and one of only 10 hospitals in the state whose nurses have been honored with the prestigious Magnet designation, Cedars-Sinai Medical Center is one of the largest nonprofit academic medical centers in the Western United States. For 19 consecutive years, it has been named Los Angeles' most preferred hospital for all health needs in an independent survey of area residents. Cedars-Sinai is internationally renowned for its diagnostic and treatment capabilities and its broad spectrum of programs and services, as well as breakthroughs in biomedical research and superlative medical education. It ranks among the top 10 non-university hospitals in the nation for its research activities and is fully accredited by the Association for the Accreditation of Human Research Protection Programs, Inc. (AAHRPP). Additional information is available at www.cedars-sinai.edu.

About Broncus Technologies, Inc.

Broncus Technologies, Inc. is helping people breathe easier by developing bronchoscopic interventions for the treatment of chronic lung diseases. Founded in 1997, Broncus Technologies has developed the Exhale® Drug-Eluting Stent for use in the airway bypass procedure, a minimally-invasive procedure to treat emphysema. Airway bypass creates new pathways in the lung for air to escape and may potentially improve the breathing abilities of patients with emphysema. Broncus Technologies is currently conducting the pivotal EASE Trial to evaluate the safety and efficacy of airway bypass in the treatment of advanced widespread emphysema. For more information visit www.broncus.com.

Editors Notes

For media information on the EASE Trial at Cedars-Sinai or to schedule an interview with Dr. Mosenifar, please contact Sandy Van, 1-800-880-2397 or via e-mail at sandy@prpacific.com.

For general information on the EASE Trial, airway bypass, or Broncus Technologies, please contact Meghan Oreste at 617-823-1441 or moreste@comcast.net

For questions about enrolling in the trial call 866-431-3273 or visit www.EASEtrialUS.com

Dr. Mosenifar has no personal direct financial affiliation with Broncus Technologies, Inc. The study is sponsored by Broncus Technologies, Inc.

Broncus and Exhale are trademarks of Broncus Technologies, Inc.



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