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https://www.readbyqxmd.com/read/29443731/recovery-of-an-injured-corticofugal-tract-from-the-supplementary-motor-area-in-a-patient-with-traumatic-brain-injury-a-case-report
#1
Sung Ho Jang, Seong Ho Kim, Jeong Pyo Seo
RATIONALE: We report on a patient with traumatic brain injury who showed motor recovery concurrent with recovery of injured corticofugal tracts (CFTs), diagnosed by diffusion tensor tractography (DTT). PATIENT CONCERNS: Four weeks after onset, when the patient started rehabilitation, he showed severe weakness of both upper and lower extremities [Motricity Index (MI, full score: 100/100): 9/30]. DIAGNOSES: A 29-year-old male patient underwent conservative management for traumatic hemorrhages in both frontal lobes and right thalamus resulting from a car accident...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29383607/prevalence-of-nausea-and-vomiting-in-adults-using-ropinirole-a-systematic-review-and-meta-analysis
#2
Michael Kurin, Klaus Bielefeldt, David J Levinthal
BACKGROUND: Nausea and vomiting are commonly associated with medication use. Dopaminergic agonists have been associated with these symptoms, but their impact in patients without Parkinson's disease, such as those with restless legs syndrome (RLS), is not well characterized. AIMS: We sought to determine whether the non-ergoline dopamine agonist ropinirole is associated with nausea and vomiting in adults with RLS. METHODS: We conducted a systematic review using PUBMED, EMBASE, and clinical trial databases to identify placebo-controlled clinical trials of ropinirole for RLS treatment...
January 30, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29361389/behavioral-addictions-in-early-onset-parkinson-disease-are-associated-with-drd3-variants
#3
Xochitl Helga Castro-Martínez, Pedro J García-Ruiz, Carlos Martínez-García, Juan Carlos Martínez-Castrillo, Lydia Vela, Marina Mata, Irene Martínez-Torres, Cici Feliz-Feliz, Francesc Palau, Janet Hoenicka
BACKGROUND: Impulse control disorders (ICDs) comprise abnormal behaviors frequently found in patients with Parkinson's disease (PD) receiving antiparkinsonian medication. ICDs in PD would develop when dopaminergic treatment overstimulates the dopamine receptor D3 (DR3). Here we studied whether DR3 gene (DRD3) is associated to ICD in PD patients with early-onset (EOPD). METHODS: We performed association analysis of the rs6280 DRD3 single nucleotide variation (SNV) (Ser9Gly) in a clinical sample of 126 non early-onset PD (NEOPD) and 73 EOPD (age at onset < 45)...
January 12, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29339630/comparison-of-the-efficacy-of-different-drugs-on-non-motor-symptoms-of-parkinson-s-disease-a-network-meta-analysis
#4
Bao-Dong Li, Jing-Jun Cui, Jia Song, Ce Qi, Pei-Feng Ma, Ya-Rong Wang, Jing Bai
BACKGROUND/AIMS: A network meta-analysis is used to compare the efficacy of ropinirole, rasagiline, rotigotine, entacapone, apomorphine, pramipexole, sumanirole, bromocriptine, piribedil and levodopa, with placebo as a control, for non-motor symptoms in Parkinson's disease (PD). METHODS: PubMed, Embase and the Cochrane Library were searched from their establishment dates up to January 2017 for randomized controlled trials (RCTs) investigating the efficacy of the above ten drugs on the non-motor symptoms of PD...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29334326/predicting-the-dopamine-d2-receptor-occupancy-of-ropinirole-in-rats-using-positron-emission-tomography-and-pharmacokinetic-pharmacodynamic-modeling
#5
Chenrong Huang, Ziteng Wang, Linsheng Liu, Xiaoxue Liu, Ji Dong, Qingqing Xu, Bin Zhang, Liyan Miao
The purpose of this study was to measure dopamine D2/3 receptor occupancy (RO) as a marker of the clinical efficacy of ropinirole in rats via positron emission tomography (PET) using 18F-fallypride as the radiotracer and to explore the relationship between dopamine RO and the plasma concentration of ropinirole via pharmacokinetic-pharmacodynamic modeling. Plasma was collected from 16 rats treated with one of four doses of ropinirole. For the time-dependent study, the data of 16 rats in the 15 mg/kg dose group at four time points were averaged, and another 24 rats were divided into three dose groups (5 mg/kg, 30 mg/kg and 60 mg/kg) for the dose-dependent study; the animals were assessed via 18F-fallypride PET scans...
January 15, 2018: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29250757/acute-onset-of-parkinsonism-an-end-stage-renal-disease-patient
#6
Chun-Hao Lai, Yu-Wei Hsu, Jiunn-Tay Lee, Yaw-Don Hsu, Chun-An Cheng, Chia-Kuang Tsai
PURPOSE: The osmotic demyelination syndrome (ODS) has been identified as a neurological complication of the rapid correction of hyponatremia. In recent years, however, various medical conditions have been associated with the development of ODS, irrelevant to changes in serum sodium. We present a rare case of a eunatremic patient who developed ODS with manifestation of parkinsonism. CASE: A 55 years old woman who has hypertension, type 2 diabetes nephropathy in end-stage renal disease under maintenance hemodialysis came to us with complaint about newly developed resting tremor of bilateral upper limbs, slowness of movements and small shuffling steps...
June 15, 2017: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/29171915/targeting-hypersensitive-corticostriatal-terminals-in-restless-legs-syndrome
#7
Gabriel Yepes, Xavier Guitart, William Rea, Amy H Newman, Richard P Allen, Christopher J Earley, César Quiroz, Sergi Ferré
OBJECTIVE: The first aim was to demonstrate a previously hypothesized increased sensitivity of corticostriatal glutamatergic terminals in the rodent with brain iron deficiency (BID), a pathogenetic model of restless legs syndrome (RLS). The second aim was to determine whether these putative hypersensitive terminals could constitute a significant target for drugs effective in RLS, including dopamine agonists (pramipexole and ropinirole) and α2 δ ligands (gabapentin). METHODS: A recently introduced in vivo optogenetic-microdialysis approach was used, which allows the measurement of the extracellular concentration of glutamate upon local light-induced stimulation of corticostriatal glutamatergic terminals...
November 24, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28952490/photocurable-bioink-for-the-inkjet-3d-pharming-of-hydrophilic-drugs
#8
Giovanny F Acosta-Vélez, Chase S Linsley, Madison C Craig, Benjamin M Wu
Novel strategies are required to manufacture customized oral solid dosage forms for personalized medicine applications. 3D Pharming, the direct printing of pharmaceutical tablets, is an attractive strategy, since it allows for the rapid production of solid dosage forms containing custom drug dosages. This study reports on the design and characterization of a biocompatible photocurable pharmaceutical polymer for inkjet 3D printing that is suitable for hydrophilic active pharmaceutical ingredients (API). Specifically, hyaluronic acid was functionalized with norbornene moieties that, in the presence of poly(ethylene) glycol dithiol, Eosin Y as a photoinitiator, and a visible light source, undergoes a rapid step-growth polymerization reaction through thiol-ene chemistry...
January 28, 2017: Bioengineering
https://www.readbyqxmd.com/read/28950686/sleepiness-and-depression-in-parkinson-s-disease-patients-treated-with-ropinirole-and-levodopa
#9
Suk Yun Kang, Ho-Sung Ryu, Mun-Kyung Sunwoo, Sang-Jin Kim, Jong-Sam Baik, Mee-Young Park, Hyung-Eun Park, Joong-Seok Kim, Kyum-Yil Kwon, Seong-Beom Koh, Young-Eun Kim, Mi-Kyong Lee, Jong-Min Kim, Sun Ju Chung, Young-Ho Sohn
OBJECTIVE: We aimed to investigate the effect of ropinirole on excessive daytime sleepiness (EDS) and depression in Parkinson's disease (PD) with a large population. METHODS: We conducted a cross-sectional observational study at nine hospitals in Korea between April 24, 2013, and April 22, 2015. We analyzed the demographic and clinical features, other medical history, history of antiparkinsonian medication within 6 months, Hoehn and Yahr stage (HY stage), Unified Parkinson's Disease Rating Scale (UPDRS) part II and III, Epworth Sleepiness Scale (ESS), and 30-item Geriatric Depression Scale (GDS-30)...
September 2017: Journal of Movement Disorders
https://www.readbyqxmd.com/read/28888061/gabapentin-enacarbil-pregabalin-and-rotigotine-are-equally-effective-in-restless-legs-syndrome-a-comparative-meta-analysis
#10
REVIEW
I H Iftikhar, L Alghothani, L M Trotti
To synthesize evidence from available randomized controlled trials (RCT) to compare the efficacies of dopaminergic drugs (pramipexole, ropinirole and rotigotine) and α-2-δ ligands (gabapentin enacarbil and pregabalin) for the treatment of restless legs syndrome (RLS). We searched PubMed for all eligible RCTs. Network meta-analysis using frequentist methodology with random effect models was performed for mean changes in scores on the International RLS Study Group Rating Scale (IRLS) and for responder rates on Clinical Global Impressions-Improvement (CGI-I); analyzed as odds ratio (OR)...
September 9, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28872217/adverse-effects-produced-by-different-drugs-used-in-the-treatment-of-parkinson-s-disease-a-mixed-treatment-comparison
#11
Bao-Dong Li, Zhen-Yun Bi, Jing-Feng Liu, Wei-Jun Si, Qian-Qian Shi, Li-Peng Xue, Jing Bai
OBJECTIVE: This mixed treatment comparison is used to compare the adverse effects of eleven different drugs used to treat Parkinson's disease (PD). The drugs that we compare include the following: ropinirole, rasagiline, rotigotine, entacapone, apomorphine, pramipexole, sumanirole, bromocriptine, piribedil, pergolide, and levodopa. METHODS: PubMed, EMBASE, and Cochrane Library were searched from the inception to December 2015. Our analysis combines the evidences of direct comparison and indirect comparison between various literatures...
October 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28845959/sleep-disorders-restless-legs-syndrome
#12
REVIEW
Deepa Burman
Restless legs syndrome (RLS) is a common disorder that often is underdiagnosed and undertreated. Patients with RLS describe an urge to move their legs, especially in the evenings and during periods of inactivity. The prevalence of clinically significant RLS is approximately 2% to 3% in adults in Europe and North America. RLS can be an independent disorder or may occur in conjunction with other conditions (eg, iron deficiency, pregnancy, chronic renal failure). Diagnosis is based on clinical history. Routine polysomnography typically is not recommended unless there is suspicion of other sleep disorders (eg, obstructive sleep apnea)...
September 2017: FP Essentials
https://www.readbyqxmd.com/read/28818004/identification-and-treatment-of-augmentation-in-patients-with-restless-legs-syndrome-practical-recommendations
#13
REVIEW
James Geyer, Richard Bogan
Restless legs syndrome (RLS) is a chronic disorder causing clinically significant discomfort to approximately 3% of adults. Although RLS was first identified centuries ago, our understanding of this disorder, its causes, and its treatments is still evolving. In particular, our knowledge of the potential negative effects of RLS treatments, including dopaminergic augmentation, continues to expand. Augmentation, which refers to a paradoxical treatment-related increase in RLS symptoms, has been associated with all three dopamine agonists approved for the treatment of RLS - rotigotine, pramipexole, and ropinirole...
September 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28782388/nanotechnology-based-drug-delivery-of-ropinirole-for-parkinson-s-disease
#14
Emilia Barcia, Liudmila Boeva, Luis García-García, Karla Slowing, Ana Fernández-Carballido, Yaquelyn Casanova, Sofía Negro
A new drug delivery system is developed for ropinirole (RP) for the treatment of Parkinson's disease (PD) consisting of biodegradable poly (D,L-lactide-co-glycolide) (PLGA) nanoparticles (NPs). The formulation selected was prepared with 8 mg RP and 50 mg PLGA 502. This formulation exhibited mean encapsulation efficiency of 74.8 ± 8.2%, mean particle size lower than 155 nm, the zeta potential of -14.25 ± 0.43 mV and zero-order in vitro release of RP (14.13 ± 0.17 μg/h/10 mg NPs) for 5 d...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28673860/3d-printing-of-tablets-using-inkjet-with-uv-photoinitiation
#15
Elizabeth A Clark, Morgan R Alexander, Derek J Irvine, Clive J Roberts, Martin J Wallace, Sonja Sharpe, Jae Yoo, Richard J M Hague, Chris J Tuck, Ricky D Wildman
Additive manufacturing (AM) offers significant potential benefits in the field of drug delivery and pharmaceutical/medical device manufacture. Of AM processes, 3D inkjet printing enables precise deposition of a formulation, whilst offering the potential for significant scale up or scale out as a manufacturing platform. This work hypothesizes that suitable solvent based ink formulations can be developed that allow the production of solid dosage forms that meet the standards required for pharmaceutical tablets, whilst offering a platform for flexible and personalized manufacture...
June 30, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28667675/d-512-a-novel-dopamine-d2-3-receptor-agonist-demonstrates-greater-anti-parkinsonian-efficacy-than-ropinirole-in-parkinsonian-rats
#16
David Lindenbach, Banibrata Das, Melissa M Conti, Samantha M Meadows, Aloke K Dutta, Christopher Bishop
BACKGROUND AND PURPOSE: Symptoms of Parkinson's disease are commonly managed using selective dopamine D2/3 receptor agonists, including ropinirole. While D2/3 agonists are useful in early-stage Parkinson's disease, they tend to lose efficacy in later disease stages and do not appear to modify disease progression. We have recently developed a novel 'multifunctional' compound, D-512: a high-affinity D2/3 receptor agonist with antioxidant and other neuroprotective properties that may limit Parkinson's disease progression...
September 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28615911/bupropion-and-iron-for-restless-leg-syndrome-do-they-have-efficacy-similar-to-ropinirole
#17
Samir Kumar Praharaj
No abstract text is available yet for this article.
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28520722/altered-detrusor-contractility-in-mptp-treated-common-marmosets-with-bladder-hyperreflexia
#18
Sara Pritchard, Michael J Jackson, Atsuko Hikima, Lisa Lione, Christopher D Benham, K Ray Chaudhuri, Sarah Rose, Peter Jenner, Mahmoud M Iravani
Bladder hyperreflexia is a common non-motor feature of Parkinson's disease. We now report on the contractility of the isolated primate detrusor strips devoid of nerve input and show that following MPTP, the amplitude and frequency of spontaneous contraction was increased. These responses were unaffected by dopamine D1 and D2 receptor agonists A77636 and ropinirole respectively. Contractions by exogenous carbachol, histamine or ATP were similar and no differences in the magnitude of noradrenaline-induced relaxation were seen in detrusor strip obtained from normal and MPTP-treated common marmosets (Callithrix jacchus)...
2017: PloS One
https://www.readbyqxmd.com/read/28457956/development-of-smart-hydrogels-of-etherified-gum-ghatti-for-sustained-oral-delivery-of-ropinirole-hydrochloride
#19
Somasree Ray, Goutam Roy, Sabyasachi Maiti, Uttam Kumar Bhattacharyya, Ayantika Sil, Ritwika Mitra
Gum Ghatti (GG) is a water soluble complex polysaccharide obtained from Anogeissus latifolia. Due to its non toxic and excellent emulsifying characteristics, it was widely used in different pharmaceutical preparations. Currently another facet was explored for its utility as release retardant polymer in oral controlled drug delivery system. As GG solely was incapable of forming microspheres therefore modification of GG to Sodium carboxymethyl (NaCMGG) derivative was done by carboxymethylation process and its gel forming capacity was explored by the use of trivalent cation (Aluminium chloride) which results into complete microbead system in a complete aqueous environment for controlled delivery of Ropinirole Hydrochloride (RHCl)...
October 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28442303/clinical-evaluation-of-ropinirole-controlled-release-formulation-at-18-24%C3%A2-mg-day-in-japanese-patients-with-parkinson-s-disease
#20
Nobutaka Hattori, Kazuko Hasegawa, Katsuaki Sato, Erika Mitsuyama, Yotaro Numachi
INTRODUCTION: There has been no clinical data on Japanese patients with Parkinson's disease with which to examine whether motor symptoms improve and to assess the safety profile after the dose of ropinirole was increased in those who had not achieved an optimal response to the ropinirole immediate-release formulation 15 mg/day or the controlled-release (CR) formulation 16 mg/day. METHODS: This was a multicenter, randomized, double-blind study, followed by an open-label, long-term study...
July 2017: Parkinsonism & related Disorders
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