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https://www.readbyqxmd.com/read/29350129/new-medications-for-treatment-resistant-depression-a-brief-review-of-recent-developments
#1
Michael E Thase
There is a great unmet need for new medications with novel mechanisms of action that can effectively treat patients who do not benefit from standard antidepressant therapies. After a period in which it seemed as if the pharmaceutical pipeline for new antidepressants was going dry, the past decade has witnessed renewed interest, beginning with discovery of the antidepressant effects of ketamine. This article briefly highlights more recent research on ketamine and other investigational antidepressants.
December 2017: CNS Spectrums
https://www.readbyqxmd.com/read/29349359/resensitization-of-methicillin-resistant-staphylococcus-aureus-by-amoxapine-an-fda-approved-antidepressant
#2
Tyler J Wilson, Meghan S Blackledge, Patrick A Vigueira
The rapid increase in bacterial resistance to antibiotics is a global healthcare crisis. Non-antibiotic pharmaceuticals that have attained approval by the United States Food and Drug Administration have the potential to be repurposed as bacterial resistance-modifying agents and therefore could become valuable resources in our battle against antibiotic-resistant microbes. Amoxapine is a tetracyclic antidepressant used in the treatment of major depressive disorder. Here we demonstrate the ability of amoxapine to resensitize methicillin-resistant Staphylococcus aureus strain ATCC 43300 to oxacillin in both agar diffusion and broth microdilution assays...
January 2018: Heliyon
https://www.readbyqxmd.com/read/29348654/low-concentration-trifluoperazine-promotes-proliferation-and-reduces-calcium-dependent-apoptosis-in-glioma-cells
#3
Yulin Wen, Yong Zhang, Jinbang Li, Feng Luo, Zhongxi Huang, Kunping Liu
Glioma patients constitute the greatest percentage of depressed neoplasm patients. These patients often require antidepressant treatment, but the effect of antidepressant drugs on glioma cells requires further evaluation. In the present study, we evaluated the effect of trifluoperazine (TFP) on the proliferation and apoptosis of glioma cells. Transcriptomic and bioinformatics analysis results suggested that antidepressant drugs, especially TFP, may upregulate the drug-resistant ability of glioma cells. A low concentration of TFP upregulated the viability of glioma cells...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348523/antibiotic-resistance-mutations-induced-in-growing-cells-of-bacillus-related-thermophiles
#4
Hirokazu Suzuki, Tatsunari Taketani, Jyumpei Kobayashi, Takashi Ohshiro
Stress-induced mutagenesis can assist pathogens in generating drug-resistant cells during antibiotic therapy; however, if and how antibiotics induce mutagenesis in microbes remains poorly understood. A non-pathogenic thermophile, Geobacillus kaustophilus HTA426, efficiently produces derivative cells resistant to rifampicin and streptomycin via rpoB and rpsL mutations, respectively. Here, we examined this phenomenon to suggest a novel mutagenic mode induced by antibiotics. Fluctuation analysis indicated that mutations occurred via spontaneous mutations during culture...
January 18, 2018: Journal of Antibiotics
https://www.readbyqxmd.com/read/29346677/anatomical-explanations-for-acute-depressions-in-radial-pattern-of-axial-sap-flow-in-two-diffuse-porous-mangrove-species-implications-for-water-use
#5
Hewei Zhao, Shengchang Yang, Xudong Guo, Congjiao Peng, Xiaoxuan Gu, Chuanyuan Deng, Luzhen Chen
Mangrove species have developed uniquely efficient water-use strategies in order to survive in highly saline and anaerobic environments. Herein, we estimated the stand water use of two diffuse-porous mangrove species of the same age, Sonneratia apetala Buch. Ham and Sonneratia caseolaris (L.) Engl., growing in a similar intertidal environment. Specifically, to investigate the radial patterns of axial sap flow density (Js) and understand the anatomical traits associated with them, we measured axial sap flow density in situ together with micromorphological observations...
January 16, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29345878/impact-of-cognitive-impairment-on-functioning-in-patients-with-depression
#6
Raymond W Lam
Reassessing a patient's diagnosis if he or she does not respond adequately to initial antidepressant pharmacotherapy is imperative. In this CME activity, evaluate the case of Melissa, a 32-year-old architect with a potential case of treatment-resistant depression, and decide on appropriate treatment strategies.
November 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29345479/culturally-adapted-transdiagnostic-cbt-for-ssri-resistant-turkish-adolescents-a-pilot-study
#7
Z Ceren Acarturk, Sami Abuhamdeh, Baland Jalal, Nurdan Unaldı, Behiye Alyanak, Mustafa Cetinkaya, Birgul Gulen, Devon Hinton
The most common mental health problems among adolescents are anxiety and mood disorders. While disorder-specific cognitive behavior therapy (CBT) is effective for each of these conditions, the comorbidity between anxiety and mood disorders indicates a need for the development of evidence-based transdiagnostic treatments. To examine the efficacy of culturally adapted transdiagnostic CBT (CA-CBT) in reducing symptoms of anxiety and depression in treatment-resistant Turkish adolescents, 13 adolescent participants with anxiety or mood disorders who were treatment resistant received 10 sessions of CA-CBT in group format...
January 18, 2018: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/29344434/rare-multidrug-resistant-pulmonary-nocardiosis-in-aids
#8
Cherry O Onaiwu, Manasa Velagapudi, Luay Sarsam, Lindsay Utley, Lauren Bricker, Venkata Sunil Bendi, Renuga Vivekanandan
Nocardiosis is an opportunistic infection in patients with depressed cell-mediated immunity. Inhalation is the primary route for exposure via dust particles. Patients with acquired immune deficiency syndrome (AIDS) are at increased risk of disseminated disease. A challenge in the diagnosis of pulmonary nocardiosis is that it can mimic other pulmonary diseases. Nocardia farcinica tends to be a more virulent, multidrug-resistant strain with an increased tendency to disseminate. This report describes a 64-year-old man with AIDS found to have pulmonary nocardiosis that did not respond to standard antibiotic therapy...
November 11, 2017: Curēus
https://www.readbyqxmd.com/read/29344344/acetylcholinesterase-inhibitors-in-treatment-resistant-psychotic-depression
#9
Chris Smart, Hamish McAllister-Williams, David Andrew Cousins
Dopamine receptor antagonists can be effective in psychotic depression but response is not assured. Visual hallucinations may arise from a dysregulation of brain cholinergic systems and acetylcholinesterase inhibitors (AChEIs) can treat such hallucinations in dementia with Lewy bodies (DLB). AChEIs have been used in schizophrenia with some success but their efficacy and tolerability in psychotic depression is unclear. This striking case illustrates AChEIs specifically targeting multimodal hallucinations in treatment-resistant depression...
January 2018: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/29344159/p38-predicts-depression-and-poor-outcome-in-esophageal-cancer
#10
Yao Cheng, Zhe Qiao, Chengxue Dang, Bin Zhou, Shaomin Li, Wei Zhang, Jiantao Jiang, Yongchun Song, Jin Zhang, Dongmei Diao
p38 mitogen-activated protein kinase (MAPK) signaling has been implicated in the cancer development and progression. However, the precise mechanism of this association remains unknown. The aim of the present study was to evaluate the association between p38 and cancer progression, including investigations into the effects on cell proliferation, resistance to thalidomide, indoleamine 2,3-dioxygenase (IDO) expression and prognosis in patients with esophageal cancer. The present retrospective study included patients with stage I-III esophageal cancer...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29338538/increased-nature-relatedness-and-decreased-authoritarian-political-views-after-psilocybin-for-treatment-resistant-depression
#11
Taylor Lyons, Robin L Carhart-Harris
RATIONALE: Previous research suggests that classical psychedelic compounds can induce lasting changes in personality traits, attitudes and beliefs in both healthy subjects and patient populations. AIM: Here we sought to investigate the effects of psilocybin on nature relatedness and libertarian-authoritarian political perspective in patients with treatment-resistant depression (TRD). METHODS: This open-label pilot study with a mixed-model design studied the effects of psilocybin on measures of nature relatedness and libertarian-authoritarian political perspective in patients with moderate to severe TRD ( n=7) versus age-matched non-treated healthy control subjects ( n=7)...
January 1, 2018: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29334228/use-of-ect-in-the-presence-of-acute-bilateral-posterior-vitreous-detachmanet
#12
Tesema Taye, Letitia Dobranici, Mark Fisher, Sarah Cullum
OBJECTIVES: We describe a case of acute bilateral posterior vitreous detachment (PVD) in a 71-year-old female, which developed during a course of electroconvulsive therapy (ECT) for treatment-resistant depression. The risks and benefits of continuing ECT were assessed and the patient completed the full course of 16 ECT treatments without further ophthalmic complications. CONCLUSIONS: As the incidence of PVD increases with age, and ECT is used more frequently in elderly people with depression, we recommend paying attention to ophthalmic symptoms as part of the routine clinical monitoring of ECT side effects...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29334123/cancer-associated-fibroblasts-tailored-tumor-microenvironment-of-therapy-resistance-in-gastrointestinal-cancers
#13
REVIEW
Yeqi Sun, Ruifen Wang, Meng Qiao, Yanchun Xu, Wenbin Guan, Lifeng Wang
Gastrointestinal cancers (GI) are a group of highly aggressive malignancies with heavy cancer-related mortalities. Even if continued development of therapy methods, therapy resistance has been a great obstruction for cancer treatment and thereby inevitably leads to depressed final mortality. Peritumoral cancer associated fibroblasts (CAFs), a versatile population assisting cancer cells to build a facilitated tumor microenvironment (TME), has been demonstrated exerting a promotion influence on cancer proliferation, migration, invasion, metastasis and also therapy resistance...
January 15, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29332095/both-serum-brain-derived-neurotrophic-factor-and-interleukin-6-levels-are-not-associated-with-therapeutic-response-to-lamotrigine-augmentation-therapy-in-treatment-resistant-depressive-disorder
#14
Shoko Kagawa, Kazuo Mihara, Takeshi Suzuki, Goyo Nagai, Akifumi Nakamura, Kenji Nemoto, Tsuyoshi Kondo
BACKGROUND/AIMS: Serum levels of brain-derived neurotrophic factor (BDNF) and interleukin-6 (IL-6) were prospectively monitored in relation with therapeutic response to lamotrigine augmentation therapy in 46 (15 males and 31 females) inpatients with treatment-resistant depressive disorder during an 8-week treatment with lamotrigine using an open-study design. METHODS: The subjects were 46 depressed patients who had already shown insufficient response to at least 3 psychotropics including antidepressants, mood stabilizers, and atypical antipsychotics...
January 12, 2018: Neuropsychobiology
https://www.readbyqxmd.com/read/29331701/the-use-of-triiodothyronine-t3-in-the-treatment-of-bipolar-depression-a-review-of-the-literature
#15
REVIEW
T Parmentier, P Sienaert
BACKGROUND: There is a paucity of treatment options for bipolar depression. The use of triiodothyronine (T3) has been suggested as adjunctive treatment. METHODS: A search on Medline, Limo and ScienceDirect was performed using the search terms bipolar disorder, bipolar depression, treatment resistant, treatment refractory, thyroid hormones, triiodothyronine, T3, acceleration and augmentation. RESULTS: We retrieved three open studies, one comparative study, two double blind and one retrospective chart review...
January 9, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29331082/mechanistic-target-of-rapamycin-complex-1-and-2-in-human-temporal-lobe-epilepsy
#16
Delia M Talos, Leah M Jacobs, Sarah Gourmaud, Carlos A Coto, Hongyu Sun, Kuei-Cheng Lim, Timothy H Lucas, Kathryn A Davis, Maria Martinez-Lage, Frances E Jensen
OBJECTIVE: Temporal lobe epilepsy (TLE) is a chronic epilepsy syndrome defined by seizures and progressive neurological disabilities, including cognitive impairments, anxiety and depression. Here, human TLE specimens were investigated focusing on the mechanistic target of rapamycin (mTOR) Complex 1 (mTORC1) and Complex 2 (mTORC2) activities in the brain, as both pathways may represent unique targets for treatment. METHODS: Surgically resected hippocampal and temporal lobe samples from therapy-resistant TLE patients were analyzed by Western blotting to quantify the expression of established mTORC1 and mTORC2 activity markers and upstream or downstream signaling pathways involving the two complexes...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29329499/a-pilot-study-of-the-comparative-efficacy-of-100%C3%A2-hz-magnetic-seizure-therapy-and-electroconvulsive-therapy-in-persistent-depression
#17
Paul B Fitzgerald, Kate E Hoy, David Elliot, Susan McQueen, Lenore E Wambeek, Leo Chen, Anne Maree Clinton, Glenn Downey, Zafiris J Daskalakis
BACKGROUND: Magnetic seizure therapy (MST) is a novel brain stimulation technique that uses a high-powered transcranial magnetic stimulation device to produce therapeutic seizures. Preliminary MST studies have found antidepressant effects in the absence of cognitive side effects but its efficacy compared to electroconvulsive therapy (ECT) remains unclear. The aim of this study was to investigate the therapeutic efficacy and cognitive profile of MST compared to standard right unilateral ECT treatment...
January 12, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29326098/cognitive-and-behavioral-skills-exercises-completed-by-patients-with-major-depression-during-smartphone-cognitive-behavioral-therapy-secondary-analysis-of-a-randomized-controlled-trial
#18
Toshi A Furukawa, Masaru Horikoshi, Hirokazu Fujita, Naohisa Tsujino, Ran Jinnin, Yuki Kako, Sei Ogawa, Hirotoshi Sato, Nobuki Kitagawa, Yoshihiro Shinagawa, Yoshio Ikeda, Hissei Imai, Aran Tajika, Yusuke Ogawa, Tatsuo Akechi, Mitsuhiko Yamada, Shinji Shimodera, Norio Watanabe, Masatoshi Inagaki, Akio Hasegawa
BACKGROUND: A strong and growing body of evidence has demonstrated the effectiveness of cognitive behavioral therapy (CBT), either face-to-face, in person, or as self-help via the Internet, for depression. However, CBT is a complex intervention consisting of several putatively effective components, and how each component may or may not contribute to the overall effectiveness of CBT is poorly understood. OBJECTIVE: The aim of this study was to investigate how the users of smartphone CBT use and benefit from various components of the program...
January 11, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29324522/how-does-repetitive-transcranial-magnetic-stimulation-influence-the-brain-in-depressive-disorders-a-review-of-neuroimaging-magnetic-resonance-imaging-studies
#19
Simon Taïb, Christophe Arbus, Anne Sauvaget, Marie Sporer, Laurent Schmitt, Antoine Yrondi
OBJECTIVE: Repetitive transcranial magnetic stimulation (rTMS) is a nonpharmacological technique used to stimulate the brain. It is a safe and proven alternative tool to treat resistant major depressive disorders (MDDs). Neuroimaging studies suggest a wide corticolimbic network is involved in MDDs. We researched observable changes in magnetic resonance imaging induced by rTMS to clarify the operational mechanism. METHODS: A systematic search of the international literature was performed using PubMed and Embase, using papers published up to January 1, 2017...
January 11, 2018: Journal of ECT
https://www.readbyqxmd.com/read/29320379/botulinum-toxin-as-a-treatment-for-depression-in-a-real-world-setting
#20
Sanjay Chugh, Anjali Chhabria, Stefanie Jung, Tillmann H C Kruger, M Axel Wollmer
OBJECTIVES: A series of randomized controlled trials have shown the efficacy of glabellar botulinum toxin (BTX) injection as a treatment for depression in women. We wanted to extend these findings and assess how they may be translated to a real-world setting. METHODS: For that purpose, 42 patients with severe, in most cases chronic and treatment-resistant depression received adjunctive treatment with BTX in private practice. Depression severity was rated before and 3 weeks after the treatment using the Hamilton Depression Rating Scale, the Montgomery Åsberg Depression Rating Scale, and the Beck Depression Inventory...
January 2018: Journal of Psychiatric Practice
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