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Showing 1 to 12 of 282 entries
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Computational Analysis of the Mode of Action of Disopyramide and Quinidine on hERG-Linked Short QT Syndrome in Human Ventricles.

Frontiers in physiology

Whittaker DG, Ni H, Benson AP, Hancox JC, Zhang H.
PMID: 29085299
Front Physiol. 2017 Oct 04;8:759. doi: 10.3389/fphys.2017.00759. eCollection 2017.

The short QT syndrome (SQTS) is a rare cardiac disorder associated with arrhythmias and sudden death. Gain-of-function mutations to potassium channels mediating the rapid delayed rectifier current,

Bioavailability and Safety of the Factor Xa Inhibitor Edoxaban and the Effects of Quinidine in Healthy Subjects.

Clinical pharmacology in drug development

Matsushima N, Lee F, Sato T, Weiss D, Mendell J.
PMID: 27121940
Clin Pharmacol Drug Dev. 2013 Oct;2(4):358-66. doi: 10.1002/cpdd.53. Epub 2013 Sep 09.

BACKGROUND: Edoxaban is an oral, once-daily, direct factor Xa inhibitor under investigation for stroke prevention in patients with atrial fibrillation and for treatment and secondary prevention of venous thromboembolism. This study evaluated edoxaban absolute bioavailability and effects of the...

Oral quinine sulfate for the treatment of electrical storm and prevention of recurrent shocks in Brugada syndrome after failed cilostazol therapy.

HeartRhythm case reports

Shenthar J, Chakali SS, Acharya D, Parvez J, Banavalikar B.
PMID: 29062700
HeartRhythm Case Rep. 2017 Aug 24;3(10):470-474. doi: 10.1016/j.hrcr.2017.07.005. eCollection 2017 Oct.

No abstract available.

J Wave Syndrome: Clinical Diagnosis, Risk Stratification and Treatment.

Journal of atrial fibrillation

Sethi KK, Sethi K, Chutani SK.
PMID: 27957139
J Atr Fibrillation. 2014 Dec 31;7(4):1173. doi: 10.4022/jafib.1173. eCollection 2014 Dec.

J wave syndrome has emerged from a benign electrocardiographic abnormality to a proarrythmic state and a significant cause of idiopathic ventricular fibrillation responsible for sudden cardiac death. Electrical genesis, genetics and ionic mechanisms of J wave syndromes are active...

Improvement of chiral stationary phases based on cinchona alkaloids bonded to crown ethers by chiral modification.

Journal of separation science

Zhao J, Wu H, Wang D, Wu H, Cheng L, Jin Y, Ke Y, Liang X.
PMID: 26377616
J Sep Sci. 2015 Nov;38(22):3884-3890. doi: 10.1002/jssc.201500834. Epub 2015 Oct 15.

To improve the chiral recognition capability of a cinchona alkaloid crown ether chiral stationary phase, the crown ether moiety was modified by the chiral group of (1S, 2S)-2-aminocyclohexyl phenylcarbamate. Both quinine and quinidine-based stationary phases were evaluated by chiral...

Asymmetric chlorination of 4-substituted pyrazolones catalyzed by natural cinchona alkaloid.

Chemical communications (Cambridge, England)

Bao X, Wei S, Zou L, He Y, Xue F, Qu J, Wang B.
PMID: 27711284
Chem Commun (Camb). 2016 Sep 15;52(76):11426-11429. doi: 10.1039/c6cc06236a.

A natural quinidine-catalyzed asymmetric chlorination of 4-substituted pyrazolones is developed, affording products with a quaternary chiral chlorine-attached carbon centre in high yield with excellent enantioselectivity. The low catalyst loading (1 mol%), broad substrate scope, and facile and valuable transformation...

Repurposing psychiatric medicines to target activated microglia in anxious mild cognitive impairment and early Parkinson's disease.

American journal of neurodegenerative disease

Lauterbach EC.
PMID: 27073741
Am J Neurodegener Dis. 2016 Mar 01;5(1):29-51. eCollection 2016.

Anxiety is common in the Mild Cognitive Impairment (MCI) stage of Alzheimer's disease (AD) and the pre-motor stages of Parkinson's disease (PD). A concomitant and possible cause of this anxiety is microglial activation, also considered a key promoter of...

Mixed ternary ion associate formation between xanthene dye, cinchona-alkaloid and quaternary ammonium ion and its application to the determination of trace amounts of quaternary ammonium salts in pharmaceuticals.

Talanta

Sakai T, Hirose A.
PMID: 18968897
Talanta. 2003 Jan 02;59(1):167-75. doi: 10.1016/s0039-9140(02)00474-5.

Xanthene dyes such as eosin and tetraiodofluorescein form 1:2 ion associates with quaternary ammonium ions at pH 7-9; however, the development of color in the organic solvent is poor. When a quaternary ammonium salt is added in the extractable...

The use of 2,3-dichloro-5,6-dicyano-p-benzoquinone for the spectrophotometric determination of some cardiovascular drugs.

Talanta

Issa AS, Mahrous MS, Salam MA, Soliman N.
PMID: 18964385
Talanta. 1987 Jul;34(7):670-2. doi: 10.1016/0039-9140(87)80087-5.

Some basic cardiovascular drugs containing secondary or tertiary amino groups are determined spectrophotometrically. The method is simple and sensitive; it is based on the interaction of the drugs, as n-electron donors, with 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) as a pi-acceptor. The highly...

Treatment of pathologic laughing and crying.

Current treatment options in neurology

Wortzel HS, Anderson CA, Arciniegas DB.
PMID: 17716601
Curr Treat Options Neurol. 2007 Sep;9(5):371-80.

Pathologic laughing and crying (PLC) denotes paroxysms of involuntary and uncontrollable crying and/or laughing resulting from neurologic illnesses. These paroxysms of affect are often provoked by nonsentimental stimuli; even when the inciting stimulus is sentimentally meaningful, the intensity of...

MECHANISM OF SYNCOPE AND ACTION OF DRUGS IN COMPLETE HEART BLOCK.

California medicine

Nathanson MH, Miller H.
PMID: 18731818
Calif Med. 1952 Jun;76(6):370-5.

The syncopal attacks of complete heart block may be due either to ventricular standstill or to ventricular acceleration including fibrillation. As treatment may be harmful unless the underlying mechanism in each case is determined, it is important to apply...

Gateways to clinical trials.

Methods and findings in experimental and clinical pharmacology

Bayes M, Rabasseda X, Prous JR.
PMID: 16845450
Methods Find Exp Clin Pharmacol. 2006 Jun;28(5):323-43.

Gateways to Clinical Trials are a guide to the most recent clinical trials in current literature and congresses. The data in the following tables have been retrieved from the Clinical Trials Knowledge Area of Prous Science Integrity, the drug...

Showing 1 to 12 of 282 entries