Endothelin News and Research

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Endothelins are proteins that constrict blood vessels and raise blood pressure. They are normally kept in balance by other mechanisms, but when they are over-expressed, they contribute to high blood pressure (hypertension) and heart disease.

Study promises effective treatment for stroke patients

Two molecules may provide, for the first time, an indication of which stroke patients will suffer a further, long-term neurological deficit, allowing doctors to tailor treatment more effectively.

29 Mar 2013

$Sildenafil does not improve exercise capacity in HF patients with preserved ejection fraction$

Sildenafil does not improve exercise capacity in HF patients with preserved ejection fraction

Among patients with heart failure with preserved ejection fraction (a measure of heart function), administration of sildenafil for 24 weeks, compared with placebo, did not result in significant improvement in exercise capacity or clinical status, according to a study published online by JAMA.

12 Mar 2013

Medications often prescribed for PAH could affect heart health of treated patients

A research team with the Faculty of Medicine & Dentistry at the University of Alberta reported findings that significantly improve understanding of how widely used drugs in Pulmonary Arterial Hypertension (PAH) affect the heart health of treated patients.

18 Jan 2013

ETA receptor antagonism reduces novel cardiovascular risk factors in patients with CKD

Blocking the receptor for proteins that constrict blood vessels reduces markers of heart-related problems in patients with chronic kidney disease (CKD), according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology (JASN).

14 Dec 2012

Bayer announces data from riociguat Phase III trial on CTEPH

Bayer HealthCare today announced data from the Phase III CHEST-1 trial evaluating its investigational drug riociguat in patients with inoperable chronic thromboembolic pulmonary hypertension (CTEPH) or with persistent or recurrent pulmonary hypertension (PH) after surgery.

24 Oct 2012

Bayer announces data from riociguat Phase III pulmonary arterial hypertension trial

Bayer HealthCare today announced data from the Phase III PATENT-1 pulmonary arterial hypertension (PAH) trial evaluating its investigational drug riociguat in both treatment-naive patients and those pre-treated with an endothelin receptor antagonist or an oral, inhaled or subcutaneous prostanoid.

22 Oct 2012

Health Canada approves XIAFLEX for Dupuytren's contracture

Auxilium Pharmaceuticals, Inc. and Actelion Pharmaceuticals Canada Inc. announced today that Auxilium was granted a Notice of Compliance (approval) by Health Canada for XIAFLEX (collagenase clostridium histolyticum or CCH), a novel, first-in-class biologic for the treatment of Dupuytren's contracture in adults with a palpable cord in Canada.

9 Jul 2012

Actelion, Auxilium partner to develop and commercialize XIAFLEX

Auxilium Pharmaceuticals, Inc. and Actelion Pharmaceuticals Ltd. announced today that they have entered into a long-term partnership for the development, supply and commercialization of XIAFLEX (collagenase clostridium histolyticum), a novel, first-in-class biologic for the potential treatment of Dupuytren's contracture and Peyronie's disease.

23 Feb 2012

Clazosentan drug shows promise against TBI in rats

A new drug is showing promise in shielding against the harmful effects of traumatic brain injury (TBI) in rats, according to a study that was released today and will be presented at the American Academy of Neurology's 64th Annual Meeting in New Orleans April 21 to April 28, 2012.

19 Feb 2012

Children with SDB may have better QOL after adenotonsillectomy

Children may have a better quality of life (QOL) and diminished cardiovascular disease risk from the decreased endothelin 1 (ET-1) levels after adenotonsillectomy, according to new research published in the December 2011 issue of Otolaryngology - Head and Neck Surgery.

20 Dec 2011

Benefits of vitamin D-fortified yoghurt drink for people with diabetes

People with diabetes are known to have an increased risk of heart disease. New research published in BioMed Central's open access journal BMC Medicine shows that regular consumption of a vitamin D-fortified yoghurt drink improves cholesterol levels and biomarkers of endothelial dysfunction, a precursor of heart disease, in diabetics.

24 Nov 2011

Top-line data from Spectrum's SPI-1620 Phase 1 combination study on carcinoma

Spectrum Pharmaceuticals, a biotechnology company with fully integrated commercial and drug development operations with a primary focus in hematology and oncology, today announced that top-line data from part one of a two-part Phase 1 study of SPI-1620 in combination with docetaxel was presented in an oral presentation at the 12th International Conference on Endothelin, held in Cambridge, United Kingdom, from September 11-14, 2011. Part one of the study has been completed, while part two is ongoing.

19 Sep 2011

United Therapeutics completes treprostinil diethanolamine Phase 3 trial in PAH

United Therapeutics Corporation announced today the completion of its FREEDOM-C(2) Phase 3 trial of treprostinil diethanolamine, an investigational sustained release oral formulation of treprostinil, a stable synthetic form of prostacyclin, in patients with pulmonary arterial hypertension.

24 Aug 2011

Roche RTCA HT Instrument allows fully-automated impedance screens for GPCRs

Label-free technologies have entered the stage of cellular drug discovery and high-throughput screening (HTS). For the measurement of G protein-coupled receptor (GPCR) activation electrical impedance represents an excellent universal readout technology, since different signaling pathways can be measured in one assay format using recombinant as well as primary cells.

17 Jun 2011

Actelion awards grants to 2011 ENTELLIGENCE young investigators for research in pulmonary arterial hypertension

Actelion Pharmaceuticals US, Inc. and the ENTELLIGENCE Steering Committee recognized four young researchers and their mentors for their efforts in advancing research in PAH. Each researcher will receive a 12-month mentored grant of up to $100,000 in support, funded through the ENTELLIGENCE program supported by Actelion. The announcement was made at an awards luncheon, during which the recipients of the 2011 awards gave an overview of their proposed work.

14 Jun 2011

United Therapeutics completes oral treprostinil Phase 3 trial on pulmonary arterial hypertension

United Therapeutics Corporation announced today the completion of its FREEDOM-M Phase 3 trial of treprostinil diethanolamine, an investigational sustained release oral formulation of treprostinil, a stable synthetic form of prostacyclin, in patients with pulmonary arterial hypertension (PAH).

6 Jun 2011

New study finds no significant benefit of bosentan against IPF

A new study has demonstrated no significant benefit of taking the drug bosentan for idiopathic pulmonary fibrosis.

11 Apr 2011

United Therapeutics completes enrollment in FREEDOM-C(2) UT-15C study in pulmonary arterial hypertension

United Therapeutics Corporation announced today that enrollment in its FREEDOM-C(2) registration trial was completed on March 18, 2011.

21 Mar 2011

FDA approves change to prescribing information for Gilead Sciences' Letairis

Gilead Sciences, Inc. today announced that the U.S. Food and Drug Administration has approved a change to the prescribing information for Letairis (ambrisentan 5 mg and 10 mg tablets), the company's once-daily treatment to improve exercise ability and delay clinical worsening in pulmonary arterial hypertension (PAH, WHO Group 1) patients with predominantly WHO Functional Class II-III symptoms.

5 Mar 2011

Monthly liver enzyme tests not required for PAH patients taking Letairis tablets: FDA

The U.S. Food and Drug Administration today announced that monthly liver enzyme tests are no longer required for those taking Letairis tablets (ambrisentan), used to treat high blood pressure in the vessels that carry blood to the lungs (pulmonary arterial hypertension, or PAH).