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Bright light therapy

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https://www.readbyqxmd.com/read/28327443/correcting-delayed-circadian-phase-with-bright-light-therapy-predicts-improvement-in-adhd-symptoms-a-pilot-study
#1
Rachel E Fargason, Aaron D Fobian, Lauren M Hablitz, Jodi R Paul, Brittny A White, Karen L Cropsey, Karen L Gamble
Attention-deficit/hyperactivity disorder (ADHD) is a common condition with comorbid insomnia reported in >70% of children and adults. These patients demonstrate delays in sleep-wake rhythms, nocturnal rise in melatonin, and early morning rise in cortisol. Given that standard psychopharmacologic treatments for ADHD often do not completely control symptoms in participants with circadian rhythm delay, we sought to test whether bright light therapy (BLT) advances circadian rhythms and further reduces ADHD symptoms over standard treatments...
March 6, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28324298/circadian-disruption-associated-with-alzheimer-s-disease
#2
REVIEW
Yumna Saeed, Sabra M Abbott
Alzheimer's disease (AD) is increasing in prevalence and has a significant impact on caregivers and the healthcare system. One of the many physiologic process affected by AD is the circadian system, with disruption reflected in abnormalities of the sleep-wake cycle. This interaction is bidirectional, with circadian and sleep disruption influencing disease progression. Understanding the bidirectional relationship between AD and circadian disruption may allow for earlier recognition of the potential to develop dementia as well as improved targeted approaches for therapy...
April 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28320205/highly-emissive-dye-sensitized-upconversion-nanostructure-for-dual-photosensitizer-photodynamic-therapy-and-bioimaging
#3
Jiating Xu, Piaoping Yang, MIngdi Sun, Huiting Bi, Bin Liu, Dan Yang, Shili Gai, Fei He, Jun Lin
Rare-earth-based upconversion nanotechnology has recently shown great promise for photodynamic therapy (PDT). However, the NIR-induced PDT is greatly restricted by the overheating issues on normal bodies and low yields of reactive oxygen species (ROS, 1O2). Here, IR-808 sensitized upconversion nanoparticles (NaGdF4:Yb,Er@NaGdF4:Nd,Yb) were combined with mesoporous silica, which has Ce6 (red-light-excited photosensitizer) and MC540 (green-light-excited photosensitizer) loaded inside through covalent bond and electrostatic interaction, respectively...
March 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28319041/practical-use-of-a-plastic-scintillator-for-quality-assurance-of-electron-beam-therapy
#4
Katsunori Yogo, Yuya Tatsuno, Masato Tsuneda, Yuki Aono, Daiki Mochizuki, Yoshiki Fujisawa, Akihiro Matsushita, Minoru Ishigami, Hiromichi Ishiyama, Kazushige Hayakawa
Quality assurance (QA) of the clinical electron beam is essential for performing accurate and safe radiation therapy. However, with advances in radiation therapy, QA tends to be labor-intensive and time consuming. Here, we propose the practical use of a tissue-equivalent plastic scintillator for quick and easy QA of clinical electron beams. This tool enabled us to verify simultaneously the constancy of output, beam quality, depth and lateral dose profiles during monthly QAs at lower doses of irradiation (small MUs)...
March 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28241159/timed-light-therapy-for-sleep-and-daytime-sleepiness-associated-with-parkinson-disease-a-randomized-clinical-trial
#5
Aleksandar Videnovic, Elizabeth B Klerman, Wei Wang, Angelica Marconi, Teresa Kuhta, Phyllis C Zee
Importance: Impaired sleep and alertness are some of the most common nonmotor manifestations of Parkinson disease (PD) and currently have only limited treatment options. Light therapy (LT), a widely available treatment modality in sleep medicine, has not been systematically studied in the PD population. Objective: To determine the safety and efficacy of LT on excessive daytime sleepiness (EDS) associated with PD. Design, Settings, and Participants: This randomized, placebo-controlled, clinical intervention study was set in PD centers at Northwestern University and Rush University...
February 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28224667/the-applicability-of-bright-light-therapy-in-adults-with-moderate-severe-or-profound-intellectual-disabilities-a-brief-report
#6
H Hermans, N Soerokromo, H Evenhuis
BACKGROUND: Bright light therapy (BLT) is effective in the treatment of depression in the general population. It may be a good treatment option for adults with intellectual disabilities (ID) too. However, its applicability and effectiveness are not studied in groups of adults with ID, yet. Our aim was to study the applicability of BLT in adults with ID. METHODS: Bright light therapy was offered for 2 weeks, using a 10 000 lux light box, to 14 adults with moderate, severe or profound ID...
February 22, 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/28127845/bright-light-therapy-for-sleep-disturbance-in-dementia-is-most-effective-for-mild-to-moderate-alzheimer-s-type-dementia-a-case-series
#7
Hirotaka Sekiguchi, Shuji Iritani, Kiyoshi Fujita
BACKGROUND: Sleep problems in people with dementia are common and place a high burden on caregivers. Although hypnotic agents are often used to treat sleep disturbances, their use is associated with a considerable number of high-risk side-effects such as daytime sleepiness, amnesia, and an increased frequency of falling. The administration of bright light therapy (BLT) in the morning was a non-pharmacological remedy that was expected to treat sleep disorders in patients with dementia by entraining the circadian rhythm to ameliorate disturbances to the normal sleep-wake cycle...
January 27, 2017: Psychogeriatrics: the Official Journal of the Japanese Psychogeriatric Society
https://www.readbyqxmd.com/read/28072485/water-soluble-polymer-nanoparticles-constructed-by-three-component-self-assembly-an-efficient-theranostic-agent-for-phosphorescent-imaging-and-photodynamic-therapy
#8
Qi Yang, Min Shi, Heng Zhao, Jiaomin Lin, Lu An, Lili Cui, Hong Yang, Zhiguo Zhou, Qiwei Tian, Shiping Yang
Water-soluble polymer nanoparticles NP-1 and NP-2 were prepared by using a three-component self-assembly of an iridium complex, poly(4-vinyl pyridine-b-ethylene oxide) (P4VP-b-PEO), and methane sulfonic acid (MSA). Due to the unique metal-ligand charge-transfer transition property and the heavy-atom effect of the iridium atom, NP-1 and NP-2 showed bright phosphorescence and generated the singlet oxygen ((1) O2 ) species effectively under visible-light irradiation (λ>400 nm) with a power density of 300 mW cm(-2) ...
March 13, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28011473/comparison-of-tumor-recurrence-after-resection-of-highly-and-poorly-metastatic-triple-negative-breast-cancer-in-orthotopic-nude-mouse-models
#9
COMPARATIVE STUDY
Shuya Yano, Kiyoto Takehara, Hiroyuki Kishimoto, Hiroshi Tazawa, Yasuo Urata, Shunsuke Kagawa, Toshiyoshi Fujiwara, Michael Bouvet, Robert M Hoffman
BACKGROUND: Triple-negative breast cancer (TNBC), defined by the absence of receptors for estrogen, progesterone and human epithelial receptor 2, is a recalcitrant disease in need of effective therapy. We previously isolated highly-metastatic variants of the human TNBC cell line MDA-MB-231 using serial orthotopic implantation in nude mice. MATERIALS AND METHODS: In the present report, we compared local and metastatic recurrence in lymph nodes in orthotopic nude-mouse models after bright-light surgery (BLS) of tumors from highly-metastatic variants or poorly-metastatic parental MDA-MB-231-RFP cells...
2017: Anticancer Research
https://www.readbyqxmd.com/read/27912106/a-multicenter-randomized-controlled-trial-for-bright-light-therapy-in-adults-with-intellectual-disabilities-and-depression-study-protocol-and-obstacle-management
#10
Pauline C M Hamers, Heleen M Evenhuis, Heidi Hermans
Due to the limited cognitive and communicative abilities of adults with intellectual disabilities (ID), current treatment options for depression are often limited to lifestyle changes and pharmacological treatment. Bright light therapy (BLT) is an effective intervention for both seasonal and non-seasonal depression in the general population. BLT is an inexpensive, easy to carry out intervention with minimal side effects. However, knowledge on its anti-depressant effect in adults with ID is lacking. Obstacles in realizing a controlled intervention study in this particular study population may have contributed to this lack...
January 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27851868/pharmacotherapies-for-sleep-disturbances-in-dementia
#11
REVIEW
Jenny McCleery, Daniel A Cohen, Ann L Sharpley
BACKGROUND: Sleep disturbances, including reduced nocturnal sleep time, sleep fragmentation, nocturnal wandering, and daytime sleepiness are common clinical problems in dementia, and are associated with significant caregiver distress, increased healthcare costs, and institutionalisation. Drug treatment is often sought to alleviate these problems, but there is significant uncertainty about the efficacy and adverse effects of the various hypnotic drugs in this vulnerable population. OBJECTIVES: To assess the effects, including common adverse effects, of any drug treatment versus placebo for sleep disorders in people with dementia, through identification and analysis of all relevant randomised controlled trials (RCTs)...
November 16, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27835725/bright-light-therapy-as-augmentation-of-pharmacotherapy-for-treatment-of-depression-a-systematic-review-and-meta-analysis
#12
REVIEW
Thomas M Penders, Cornel N Stanciu, Alexander M Schoemann, Philip T Ninan, Richard Bloch, Sy A Saeed
Background: Bright light therapy has demonstrated efficacy and is an accepted treatment for seasonal depression. It has been suggested that bright light therapy may have efficacy in nonseasonal depressions. Also, there is evidence that bright light therapy may improve responsiveness to antidepressant pharmacotherapy. Data Sources: We searched PubMed/MEDLINE, PsycINFO, PsycARTICLES, CINAHL, EMBASE, Scopus, and Academic OneFile for English-language literature published between January 1998 and April 2016, using the keywords bright light therapy AND major depression, bright light therapy AND depress*, bright light therapy AND bipolar depression, bright light therapy AND affective disorders, circadian rhythm AND major depression, circadian rhythm AND depress*, and circadian rhythm AND affective disorder...
October 20, 2016: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/27835724/a-systematic-review-of-bright-light-therapy-for-eating-disorders
#13
REVIEW
Marshall T Beauchamp, Jennifer D Lundgren
Objective: Bright light therapy is a noninvasive biological intervention for disorders with nonnormative circadian features. Eating disorders, particularly those with binge-eating and night-eating features, have documented nonnormative circadian eating and mood patterns, suggesting that bright light therapy may be an efficacious stand-alone or adjunctive intervention. The purpose of this systematic literature review, using PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, was (1) to evaluate the state of the empirical treatment outcome literature on bright light therapy for eating disorders and (2) to explore the timing of eating behavior, mood, and sleep-related symptom change so as to understand potential mechanisms of bright light therapy action in the context of eating disorder treatment...
October 27, 2016: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/27821114/bright-light-therapy-in-pregnant-women-with-major-depressive-disorder-study-protocol-for-a-randomized-double-blind-controlled-clinical-trial
#14
Babette Bais, Astrid M Kamperman, Marjolein D van der Zwaag, Gwen C Dieleman, Hanneke W Harmsen van der Vliet-Torij, Hilmar H Bijma, Ritsaert Lieverse, Witte J G Hoogendijk, Mijke P Lambregtse-van den Berg
BACKGROUND: Depression during pregnancy is a common and high impact disease. Generally, 5-10 % of pregnant women suffer from depression. Children who have been exposed to maternal depression during pregnancy have a higher risk of adverse birth outcomes and more often show cognitive, emotional and behavioural problems. Therefore, early detection and treatment of antepartum depression is necessary. Both psychotherapy and antidepressant medication, first choice treatments in a non-pregnant population, have limitations in treating depression during pregnancy...
November 8, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27814712/chronobiology-sleep-related-risk-factors-and-light-therapy-in-perinatal-depression-the-life-on-project
#15
Simone Baiardi, Fabio Cirignotta, Alessandro Cicolin, Corrado Garbazza, Armando D'Agostino, Orsola Gambini, Alessandra Giordano, Mariapaola Canevini, Elena Zambrelli, Anna Maria Marconi, Susanna Mondini, Stefan Borgwardt, Christian Cajochen, Nicola Rizzo, Mauro Manconi
BACKGROUND: Perinatal depression (PND) has an overall estimated prevalence of roughly 12 %. Untreated PND has significant negative consequences not only on the health of the mothers, but also on the physical, emotional and cognitive development of their children. No certain risk factors are known to predict PND and no completely safe drug treatments are available during pregnancy and breastfeeding. Sleep and depression are strongly related to each other because of a solid reciprocal causal relationship...
November 4, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27802556/effect-of-osteopathic-cranial-manipulative-medicine-on-visual-function
#16
Mark E Sandhouse, Diana Shechtman, Gregory Fecho, Elena M Timoshkin
CONTEXT: The effects of osteopathic cranial manipulative medicine (OCMM) on visual function have been poorly characterized in the literature. Based on a pilot study conducted by their research group, the authors conducted a study that examined whether OCMM produced a measurable change in visual function in adults with cranial asymmetry. STUDY DESIGN: Randomized, controlled, double-blinded clinical trial. The intervention and control (sham therapy) were applied during 8 weekly visits, and participants in both groups received 8 weekly follow-up visits...
November 1, 2016: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/27796397/luminescent-ruthenium-polypyridyl-complexes-with-extended-dppz-like-ligands-as-dna-targeting-binders-and-cellular-agents
#17
Bjørn C Poulsen, Sandra Estalayo-Adrián, Salvador Blasco, Sandra A Bright, John M Kelly, D Clive Williams, Thorfinnur Gunnlaugsson
Four new Ru(ii) polypyridyl complexes that contain an extended aromatic moiety derived from pyrazino[2,3-h]dipyrido[3,2-a:2',3'-c]phenazine and either 1,10-phenanthroline (phen) or 1,4,5,8-tetraazaphenanthrene (TAP) have been synthesized, their solid state X-ray crystal structure determined and their photophysical and biological properties evaluated. Their interactions with DNA have been studied, and they have been tested for their potential as photodynamic therapeutic (PDT) agents in the treatment of cancer...
October 31, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27791223/non-pharmacological-interventions-to-prevent-or-treat-delirium-in-older-patients-clinical-practice-recommendations-the-senator-ontop-series
#18
I Abraha, J M Rimland, F Trotta, V Pierini, A Cruz-Jentoft, R Soiza, D O'Mahony, A Cherubini
DESCRIPTION: The ONTOP project aims to undertake a literature search of systematic reviews concerning evidence-based non-pharmacological interventions of prevalent medical conditions affecting older people, including delirium. OBJECTIVES: To develop explicit and transparent recommendations for non-pharmacological interventions in older subjects at risk of developing delirium, as well as in older subjects with delirium, based on the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach to rating the quality of evidence and the strength of recommendations...
2016: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27769202/a-double-blind-randomized-controlled-trial-to-assess-the-effect-of-bright-light-therapy-on-depression-in-patients-with-parkinson-s-disease
#19
Sonja Rutten, Chris Vriend, Jan H Smit, Henk W Berendse, Adriaan W Hoogendoorn, Odile A van den Heuvel, Ysbrand D van der Werf
BACKGROUND: A disturbed circadian rhythm seems to be a causal factor in the occurrence of depressive disorders in patients with Parkinson's disease (PD). The circadian rhythm can be restored with light. Therefore, Bright Light Therapy (BLT) might be a new treatment option for depression in PD patients. METHODS/DESIGN: In this double-blind controlled trial, 84 subjects with idiopathic PD are randomized to either BLT or a control light condition. The BLT condition emits white light with an intensity of 10,000 Lux, while the control device emits dim white light of 200 Lux, which is presumed to be too low to influence the circadian rhythm...
October 21, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27759377/fighting-cancer-with-corroles
#20
Ruijie D Teo, Jae Youn Hwang, John Termini, Zeev Gross, Harry B Gray
Corroles are exceptionally promising platforms for the development of agents for simultaneous cancer-targeting imaging and therapy. Depending on the element chelated by the corrole, these theranostic agents may be tuned primarily for diagnostic or therapeutic function. Versatile synthetic methodologies allow for the preparation of amphipolar derivatives, which form stable noncovalent conjugates with targeting biomolecules. These conjugates can be engineered for imaging and targeting as well as therapeutic function within one theranostic assembly...
October 19, 2016: Chemical Reviews
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