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PubMed Journals Articles About "Guanfacine Extended Release Tablets Placebo Comparator Attention Deficit" RSS

00:09 EDT 21st October 2018 | BioPortfolio

Guanfacine Extended Release Tablets Placebo Comparator Attention Deficit PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Guanfacine Extended Release Tablets Placebo Comparator Attention Deficit articles that have been published worldwide.

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Showing "Guanfacine extended release tablets Placebo comparator Attention Deficit" PubMed Articles 1–25 of 11,000+

A Randomized, Double-Blind Study of SHP465 Mixed Amphetamine Salts Extended-Release in Adults With ADHD Using a Simulated Adult Workplace Design.

Evaluate the efficacy, duration of effect, and tolerability of SHP465 mixed amphetamine salts (MAS) extended-release versus placebo and immediate-release MAS (MAS IR) in adults with attention-deficit/hyperactivity disorder (ADHD).


Guanfacine treatment for prefrontal cognitive dysfunction in older participants: a randomized clinical trial.

This study evaluated the effect of the alpha-2A-adrenoceptor agonist guanfacine on prefrontally mediated cognitive functions, as well as quality of life and global function in healthy older participants. One hundred twenty-three participants aged 75 years and older were randomly assigned to guanfacine 0.5 mg, 0.1 mg, or placebo daily for 12 weeks. The primary outcome measure was the change in z-score for 6 prefrontal executive function tasks over 12 weeks (PEF6). Neither dose of guanfacine improved PEF6...

Population Pharmacokinetic-Pharmacodynamic Modeling of a Novel Methylphenidate Extended-Release Orally Disintegrating Tablet in Pediatric Patients With Attention-Deficit/Hyperactivity Disorder.

A methylphenidate (MPH) extended-release orally disintegrating tablet (MPH XR-ODT) formulation was recently approved for attention-deficit/hyperactivity disorder treatment in children 6 to 17 years of age. This analysis sought to develop a population pharmacokinetic (PK)/pharmacodynamic (PD) model to describe MPH XR-ODT PD-response data in a classroom study and use the model to simulate PD responses for a range of body weights and doses.


Neurocognitive effects of methylphenidate in adults with attention-deficit/hyperactivity disorder: A meta-analysis.

PIEVSKY, M. A., and R. E. McGrath. Neurocognitive effects of methylphenidate in adults with attention-deficit/hyperactivity disorder: A meta-analysis…NEUROSCI BIOBEHAV REV 81(1) XXX-XXX, 2017.- This meta-analysis summarized 21 double-blind randomized controlled trials with a mean study duration of 18 days comparing the neurocognitive functioning of adults with attention-deficit/hyperactivity disorder (ADHD) on methylphenidate vs placebo. Effect sizes were weighted using a random-effects model. Scores on n...

How treatment improvement in ADHD and cocaine dependence are related to one another: A secondary analysis.

Attention-deficit hyperactivity disorder (ADHD) is overrepresented among individuals seeking treatment for substance use disorders. We previously reported that treatment with extended release mixed amphetamine salts (MAS-XR) increased abstinence, compared to placebo, among patients with co-occurring ADHD and cocaine dependence. This secondary analysis investigates the temporal relationship between ADHD improvement and cocaine abstinence in the first six weeks of the trial.

Defined drug release from 3D-printed composite tablets consisting of drug-loaded polyvinylalcohol and a water-soluble or water-insoluble polymer filler.

3D-printed tablets are a promising new approach for personalized medicine. In this study, we fabricated composite tablets consisting of two components, a drug and a filler, by using a fused deposition modeling-type 3D printer. Polyvinylalcohol (PVA) polymer containing calcein (a model drug) was used as the drug component and PVA or polylactic acid (PLA) polymer without drug was used as the water-soluble or water-insoluble filler, respectively. Various kinds of drug-PVA/PVA and drug-PVA/PLA composite tablets...

Immediate Release 3D-Printed Tablets Produced Via Fused Deposition Modeling of a Thermo-Sensitive Drug.

Dissolution speeds of tablets printed via Fused Deposition Modeling (FDM) so far are significantly lower compared to powder or granule pressed immediate release tablets. The aim of this work was to print an actual immediate release tablet by choosing suitable polymers and printing designs, also taking into account lower processing temperatures (below 100°C) owing to the used model drug pantoprazole sodium.

Modified in vitro release of melatonin loaded in nanofibrous electrospun mats incorporated into mono-layered and three-layered tablets.

Modified release tablet formulations with melatonin (MLT) are clinically more useful in initiating and maintaining sleep in elderly insomniacs, compared with those designed for immediate release. Aiming at the modified release of MLT, mono-layered and three-layered tablets, incorporating nanofibrous mats composed of cellulose acetate (CA) and polyvinylpyrrolidone (PVP) loaded with MLT, were prepared and studied. In vitro dissolution profiles of MLT in gastrointestinal-like fluids, revealed tableting pressur...

Translation and validation of the Brown attention-deficit disorder scale for use in Brazil: identifying cases of attention-deficit/hyperactivity disorder among samples of substance users and non-users. Cross-cultural validation study.

The Brown Attention-Deficit Disorder Scale (BADDS) was developed as a self-report assessment that was designed to screen for presence of symptoms of attention deficit hyperactivity disorder (ADHD). The objective here was to translate and validate the adult self-report BADDS for use in Brazil.

Extrusion 3D Printing of Paracetamol Tablets from a Single Formulation with Tunable Release Profiles Through Control of Tablet Geometry.

An extrusion-based 3D printer was used to fabricate paracetamol tablets with different geometries (mesh, ring and solid) from a single paste-based formulation formed from standard pharmaceutical ingredients. The tablets demonstrate that tunable drug release profiles can be achieved from this single formulation even with high drug loading (> 80% w/w). The tablets were evaluated for drug release using a USP dissolution testing type I apparatus. The tablets showed well-defined release profiles (from immediat...

Relationship Between Symptomatic and Functional Improvement and Remission in a Treatment Response to Stimulant Trial.

To evaluate the relationship between symptom and functional improvement and remission in children and adolescents with attention-deficit/hyperactivity disorder (ADHD) enrolled in an 11-week open-label dose-optimization phase of an methylphenidate extended release (MPH-MLR) pivotal study.

Robustness of Barrier Membrane Coated Metoprolol Tartrate Matrix Tablets: Drug Release Evaluation under Physiologically Relevant in vitro Conditions.

Robust in vitro drug release behavior is an important feature of extended release (ER) hydrophilic matrix formulations for accurate prediction of in vivo drug release. In this study, ER hydrophilic matrix tablets of metoprolol tartrate were formulated using a high viscosity grade of hypromellose as a rate-limiting polymer. Expectedly, this formulation showed an undesirable initial burst release followed by controlled drug release. Application of a barrier membrane (BM) coating of ethylcellulose with a pore ...

Sugar consumption and attention-deficit/hyperactivity disorder (ADHD): A birth cohort study.

Attention-deficit/hyperactivity disorder (ADHD) is characterized by persistent symptoms of lack of attention, impulsivity and hyperactivity. The association between nutritional exposures and ADHD has been investigated and some studies have identified adverse effects from higher intake of sugar. The objective of the present study was to evaluate the association between change in sugar consumption between 6 and 11 years of age and incidence of attention-deficit/hyperactivity disorder (ADHD).

Genetic imaging study with Tc- TRODAT-1 SPECT in adolescents with ADHD using OROS-methylphenidate.

To examine theeffects on the brain of 2-month treatment withamethylphenidate extended-release formulation (OROS-MPH) using [Tc-] TRODAT-1SPECT in a sample of treatment-naïve adolescents with Attention Deficit/Hyperactivity Disorder (ADHD). In addition, to assess whether risk alleles (homozygosity for 10-repeat allele at the DAT1 gene were associated with alterations in striatal DAT availability.

Predicting attention deficit hyperactivity disorder using pregnancy and birth characteristics.

The aim of this study was to evaluate maternal, prenatal, perinatal, and postpartum parameters as risk factors for the later development of an attention deficit hyperactivity disorder (ADHD) in the child.

Effect of formulation and process variables on lipid based sustained release tablets via continuous twin screw granulation: A comparative study.

The current study's aim is to prepare lipid based sustained release tablets via a twin-screw granulation technique and compare those dosage forms with conventional techniques, namely wet granulation and direct compression. The granules were successfully manufactured in a single-step, continuous twin-screw granulation process with a low proportion of binder (Klucel™ EF, HPC SSL) using Compritol® 888 ATO, Precirol® ATO 5 and Geleol™ as sustained release agents. The granules prepared showed good flow cha...

Lower Apgar scores and Caesarean sections are related to attention deficit hyperactivity disorder.

We examined the associations between prenatal, birth-related and newborn risk factors and attention deficit hyperactivity disorder (ADHD).

The effect of methylphenidate on decision making in patients with borderline personality disorder and attention-deficit/hyperactivity disorder.

Impaired decision making in patients with borderline personality disorder (BPD) has been reported in several studies. Although methylphenidate (MPH) is known to ameliorate impaired decision making in patients with attention-deficit/hyperactivity disorder (ADHD), it has not yet been examined in patients with BPD. We therefore assessed the efficacy of a single dose of MPH on cognitive functions and decision making in patients with BPD. Twenty-two patients diagnosed with BPD participated in the study. The stud...

The origin of the centrality deficit in individuals with attention-deficit/hyperactivity disorder.

Studies have shown that skilled and disabled readers recall central ideas, which are important to the overall comprehension of the text, to a greater extent than peripheral, less important ideas after reading. However, readers with attention-deficit/hyperactivity disorder (ADHD) recall significantly fewer central ideas than skilled readers. The present study was designed to examine whether difficulties in identifying, attending, and/or retrieving central ideas underlie their centrality deficit.

Gabapentin for the Treatment of Vulvodynia: A Randomized Controlled Trial.

To evaluate whether extended-release gabapentin is more effective than placebo among women with vulvodynia.

Association between sensory modulation and daily activity function of children with attention deficit/hyperactivity disorder and children with typical development.

The severity of the functional difficulties of children with attention-deficit/hyperactivity disorder (ADHD) is heterogeneous and may be affected by measurable factors.

A serious game for children with Attention Deficit Hyperactivity Disorder: Who benefits the most?

The aim of the current study was to identify which subgroups of children with Attention Deficit Hyperactivity Disorder (ADHD) benefitted the most from playing a Serious Game (SG) intervention shown in a randomized trial to improve behavioral outcomes.

The Effects of Fillers and Binders on the Accuracy of Tablet Subdivision.

The effects of excipients on the accuracy of tablet subdivision are severely underinvestigated. In this study, placebo tablets were prepared using a combined mixture design of fillers and binders to evaluate the effect of these excipients on subdivision accuracy. The responses assessed were mass loss, mass variation, tablet fragmentation, and increased friability. Dicalcium phosphate dihydrate (DCP) gave rise to more uniform and denser tablets than microcrystalline cellulose (MCC), thus resulting in greater...

Extended release versus immediate release tacrolimus in kidney transplant recipients: a systematic review and meta-analysis.

To compare the estimated glomerular filtration rate (eGFR) at 12 months together with other outcomes among adult kidney transplant recipients (KTRs) who received extended release, once daily tacrolimus (ER-Tac) compared to those who received the immediate release, twice daily tacrolimus (IR-Tac) administration.

Combination of 3D printing technologies and compressed tablets for preparation of riboflavin floating tablet-in-device (TiD) systems.

Gastric floating tablets have the functions of long-term gastric retention, sustained release and improving bioavailability though the floating time and sustained release are usually not satisfied. Here we designed a novel gastric floating system by combining compressed tablets with 3D printed devices, wherein a riboflavin tablet was contained into a device, named as tablet-in-device (TiD) systems. Commercial poly(lactic acid) filaments were used for 3D printing of the body and cap of the device. Four types...


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