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Home » FDA 2018 » FDA approves novel device Zephyr Endobronchial Valve (Zephyr Valve) for treating breathing difficulty from severe emphysema

FDA approves novel device Zephyr Endobronchial Valve (Zephyr Valve) for treating breathing difficulty from severe emphysema

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Depiction of the Zephyr ® endobronchial valve. Image courtesy of Pulmonx, Inc.

FDA approves novel device for treating breathing difficulty from severe emphysema
The U.S. Food and Drug Administration today approved a new device, the Zephyr Endobronchial Valve (Zephyr Valve), intended to treat breathing difficulty associated with severe emphysema.
“Treatment options are limited for people with emphysema who have severe symptoms that have not improved from taking medicines. These have included lung surgery, such as lung volume reduction or lung transplants, which may not be suitable or appropriate for all patients,” said Tina Kiang, Ph.D., acting director, Division of Anesthesiology, General Hospital, Respiratory, Infection Control and Dental Devices, in the FDA’s Center for Devices and Radiological Health. “This novel device is a less invasive treatment that expands the options available to patients.”

June 29, 2018

Release

The U.S. Food and Drug Administration today approved a new device, the Zephyr Endobronchial Valve (Zephyr Valve), intended to treat breathing difficulty associated with severe emphysema.

“Treatment options are limited for people with emphysema who have severe symptoms that have not improved from taking medicines. These have included lung surgery, such as lung volume reduction or lung transplants, which may not be suitable or appropriate for all patients,” said Tina Kiang, Ph.D., acting director, Division of Anesthesiology, General Hospital, Respiratory, Infection Control and Dental Devices, in the FDA’s Center for Devices and Radiological Health. “This novel device is a less invasive treatment that expands the options available to patients.”

The Centers for Disease Control and Prevention estimates that 3.5 million American adults have been diagnosed with emphysema. Emphysema, including severe emphysema, is a type of chronic obstructive pulmonary disease (COPD) due to damage to the air sacs (alveoli) in the lungs. Lung damage from emphysema is irreversible. The damaged alveoli can cause used air to become trapped in the lungs during exhalation. This can cause the diseased parts of the lung to get larger and put pressure on the healthy part of the lung, which makes it difficult to breathe. As a result, the body may not get the oxygen it needs.

Using a flexible bronchoscope, a doctor places Zephyr Valves, similar in size to pencil erasers, into the diseased areas of the lung airways during a procedure in a hospital setting. Design of the device is intended to prevent air from entering the damaged parts of the lung and allow trapped air and fluids to escape. During inhalation, the valves close, preventing air from entering the damaged part of the lung and during exhalation, the valves open, letting out trapped air, which is intended to relieve pressure.

The FDA reviewed data from a multi-center study of 190 patients with severe emphysema. In this study, 128 patients were treated with Zephyr Valves and medical management according to current clinical guidelines, including medications (bronchodilators, corticosteroids, antibiotics or anti-inflammatory maintenance medications) and pulmonary rehabilitation, while 62 patients (the control group) received medical management only. Results of treatment were measured by how many patients in each arm of the study had at least a 15 percent improvement in pulmonary function scores (the volume of air that can forcibly be blown out in one second after full inhalation). At one year, 47.7 percent of patients treated with Zephyr Valves experienced at least a 15 percent improvement in their pulmonary function scores, compared with 16.8 percent of patients in the control group. Adverse events observed in the study include death, air leak (pneumothorax), pneumonia, worsening of emphysema, coughing up blood, shortness of breath and chest pain.

The Zephyr Valve device is contraindicated for patients with active lung infections; those who are allergic to nitinol, nickel, titanium or silicone; active smokers and those who are not able to tolerate the bronchoscopic procedure. Patients who have had major lung procedures, heart disease, large bubbles of air trapped in the lung or who have not responded to other treatments should talk with their providers to determine if the Zephyr Valve device is appropriate for them.

The Zephyr Valve was granted Breakthrough Device designation, meaning the FDA provided intensive interaction and guidance to the company on efficient device development, to expedite evidence generation and the agency’s review of the device. To qualify for such designation, a device must provide for more effective treatment or diagnosis of a life-threatening or irreversibly debilitating disease or condition, and meet one of the following criteria: the device must represent a breakthrough technology; there must be no approved or cleared alternatives; the device must offer significant advantages over existing approved or cleared alternatives; or the availability of the device is in the best interest of patients.

The FDA reviewed the Zephyr Valve device through the premarket approval review pathway, a regulatory pathway for the highest risk class of devices.

The FDA granted approval of the Zephyr Valve device to Pulmonx Inc.

////////////fda 2018, medical devices, Zephyr Valve device, Pulmonx Inc, Breakthrough Device designation, Zephyr Endobronchial Valve,  Zephyr Valve,
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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 year tenure till date Dec 2017, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 50 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 19 lakh plus views on New Drug Approvals Blog in 216 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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