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https://www.readbyqxmd.com/read/28627277/anti-acne-drugs-in-phase-1-and-2-clinical-trials
#1
Christos C Zouboulis, Clio Dessinioti, Fragkiski Tsatsou, Harald P M Gollnick
Despite the impressive increase of knowledge on acne etiology accumulated during the last 20 years, few efforts have been overtaken to introduce new therapeutic regiments targeting the ideal treatment of acne. The increasing emergence of microbial resistance associated with antibiotics, teratogenicity, particularly associated with systemic isotretinoin, and the need for an adverse drug profile, which can be tolerated by the patient, make the need of new pathogenesis relevant anti-acne agents an emerging issue...
June 19, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28623686/temporomandibular-prosthetic-joint-infections-associated-with-propionibacterium-acnes-a-case-series-and-a-review-of-the-literature
#2
Ruba Khader, Joseph Tingey, Steven Sewall
PURPOSE: The orthopedic literature has shown an increasing incidence of prosthetic joint infections (PJIs) associated with Propionibacterium acnes (P acnes). These infections present serious diagnostic and management challenges to the treating surgeons. In this review, the authors report on cases of P acnes-related temporomandibular joint (TMJ) PJIs that have been diagnosed and treated at their institution. MATERIALS AND METHODS: After approval by the institutional review board, information was obtained through a retrospective chart review...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28605136/a-polycation-antimicrobial-peptide-mimic-without-resistance-buildup-against-propionibacterium-acnes
#3
Sithara S Nair, Olga Y Zolotarskaya, Matthew J Beckwith, Dennis E Ohman, Kenneth J Wynne
A preliminary study is reported for a polycation antimicrobial peptide (AMP) mimic against Propionibacterium acnes, which is associated with acne vulgaris, a common skin condition. Antibiotics are commonly used against P. acnes but buildup of resistance is well-known. Worse, antibiotic regimens build up resistance for more sensitive bacteria such as Staphylococcus epidermidis. The polycation AMP mimic C12-50, 1, is chosen for the present study as it has been previously shown to have high antimicrobial effectiveness...
June 12, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28594356/synergistic-antibacterial-effects-of-chitosan-caffeic-acid-conjugate-against-antibiotic-resistant-acne-related-bacteria
#4
Ji-Hoon Kim, Daeung Yu, Sung-Hwan Eom, Song-Hee Kim, Junghwan Oh, Won-Kyo Jung, Young-Mog Kim
The object of this study was to discover an alternative therapeutic agent with fewer side effects against acne vulgaris, one of the most common skin diseases. Acne vulgaris is often associated with acne-related bacteria such as Propionibacteriumacnes, Staphylococcusepidermidis, Staphylococcusaureus, and Pseudomonasaeruginosa. Some of these bacteria exhibit a resistance against commercial antibiotics that have been used in the treatment of acne vulgaris (tetracycline, erythromycin, and lincomycin). In the current study, we tested in vitro antibacterial effect of chitosan-phytochemical conjugates on acne-related bacteria...
June 8, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28562419/endocrine-disorders-and-hormonal-therapy-for-adolescent-acne
#5
Henry L Nguyen, Megha M Tollefson
PURPOSE OF REVIEW: Acne vulgaris is a global disease with increasing prevalence in adolescents. It has a profound impact on their quality of life, especially when endocrine disorders are also involved. Recent concerns regarding antibiotic stewardship, failures with antibiotic usage, and the development of antibiotic-resistant Propionibacterium acnes have led clinicians to consider other therapeutic options for acne treatment. The present review explores hormonal therapies for the treatment of acne vulgaris...
May 27, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28561169/-adequate-antibiotic-prophylaxis-and-therapy-of-periprosthetic-infections-of-the-breast-review-of-468-consecutive-implant-removals
#6
Jörn Andreas Lohmeyer, Mai Alawadi, Philipp Alexander Bergmann, Daniel Schmauss, Klaus Stephan Wittig
Background Periprosthetic infections are feared complications in aesthetic as well as in reconstructive breast surgery. The purpose of our study was to evaluate our institution's specific culture data and to identify most common organisms and suitable antibiotics for prophylaxis and first line treatment in implant-based breast surgery. Patients and Methods We analyzed all patients with a change or removal of breast implants in the period from 01.01.2012 to 31.12.2015 retrospectively. Based on the medical records, the surgical indications were identified and specifically analyzed for signs of infection and capsular fibrosis...
April 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28558906/carbamoylated-azithromycin-incorporated-zirconia-hybrid-monolith-for-enantioseparation-of-acidic-chiral-drugs-using-non-aqueous-capillary-electrochromatography
#7
Shuchi Dixit, Il Seung Lee, Jung Hag Park
Carbamoylated derivatives of two antibiotics, namely, clindamycin phosphate (CLIP) and erythromycin (ERY) were successfully employed as co-precursors, in combination of zirconium tetrabutoxide as a precursor, to prepare chiral organic-zirconia hybrid monoliths (i.e., CLIP-ZHMs and ERY-ZHMs, respectively) via a single-step in-situ sol-gel approach in our previous works. Their superiority over chiral organic-zirconia/silica monoliths, prepared by post-modification approach, in terms of better enantioresolution and enhanced stability inspired us to prepare ZHMs based on an another antibiotic, azithromycin (i...
May 23, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28556980/acne-morphologic-and-vascular-study-of-lesions-and-surrounding-skin-by-means-of-optical-coherence-tomography
#8
M Manfredini, M Greco, F Farnetani, S Ciardo, N De Carvalho, V D Mandel, M Starace, G Pellacani
BACKGROUND: Acne vulgaris is a disease of the pilosebaceous unit, characterized by hyper-keratinization process, comedos formation and inflammatory reactions. OBJECTIVE: The definition of the morphology and the vascularization of acne lesions by means of dynamic optical coherence tomography (D-OCT), in order to non-invasively define the alterations occurring during the acne development and patient therapeutic management. METHODS: A set of standardized clinical pictures and D-OCT images were acquired from 114 acne lesions of 31 volunteers, presenting mild to moderate acne and evaluated by experts...
May 30, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28542914/efficacy-and-adverse-events-of-oral-isotretinoin-for-acne-a-systematic-review
#9
REVIEW
I A Vallerand, R T Lewinson, M S Farris, C D Sibley, M L Ramien, A G M Bulloch, S B Patten
Despite many years of clinical use of isotretinoin, a comprehensive review of evidence for isotretinoin therapy in acne patients is lacking. We searched MEDLINE, EMBASE, Cochrane Central, relevant webpages and bibliographies for randomized controlled trials for acne evaluating isotretinoin vs control (placebo or other therapy). Data were extracted and summarized descriptively. Eleven trials were identified (total n=760 patients randomized), containing mostly males. Mean treatment ages ranged from 18 to 47.9 years and participants generally had moderate-severe acne...
May 19, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28538949/the-follicular-skin-microbiome-in-patients-with-hidradenitis-suppurativa-and-healthy-controls
#10
Hans Christian Ring, Jonathan Thorsen, Ditte M Saunte, Berit Lilje, Lene Bay, Peter Theut Riis, Niels Larsen, Lee O'Brien Andersen, Henrik V Nielsen, Iben M Miller, Thomas Bjarnsholt, Kurt Fuursted, Gregor Borut Jemec
Importance: Although the pathogenesis of hidradenitis suppurativa (HS) remains enigmatic, several factors point to potential involvement of the cutaneous microbiome. Insight into the cutaneous microbiome in HS using next-generation sequencing may provide novel data on the microbiological diversity of the skin. Objective: To investigate the follicular skin microbiome in patients with HS and in healthy controls. Design, Setting, and Participants: This case-control study obtained punch biopsy specimens from patients with HS (lesional and nonlesional) and healthy controls between October 1, 2014, and August 1, 2016...
May 24, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28537857/cost-effectiveness-analysis-of-using-dermatologists-versus-pediatricians-to-treat-mild-to-moderate-acne
#11
Scott A Davis, Sebastian Himmler, Steven R Feldman
OBJECTIVE: To assess the cost-effectiveness from the payer perspective of using dermatologists versus pediatricians to treat acne in adolescents ages 10-18. METHODS: A Markov model was constructed to explore outcomes over a 2-year period from the US private payer perspective. Patients ages 10-18 with acne entered the model under the "dermatologist"and "pediatrician" conditions. In each 3-month cycle,each modeled patient received topical retinoids,benzoyl peroxide (BP), antibiotics, or no treatment,and could progress to an acne-free state or remain in an acne state...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28513546/edible-plants-and-their-influence-on-the-gut-microbiome-and-acne
#12
REVIEW
Ashley K Clark, Kelly N Haas, Raja K Sivamani
Acne vulgaris affects most people at some point in their lives. Due to unclear etiology, likely with multiple factors, targeted and low-risk treatments have yet to be developed. In this review, we explore the multiple causes of acne and how plant-based foods and supplements can control these. The proposed causative factors include insulin resistance, sex hormone imbalances, inflammation and microbial dysbiosis. There is an emerging body of work on the human gut microbiome and how it mediates feedback between the foods we eat and our bodies...
May 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28507783/periprosthetic-shoulder-infection-an-overview
#13
REVIEW
Nicolas Bonnevialle, Florence Dauzères, Julien Toulemonde, Fanny Elia, Jean-Michel Laffosse, Pierre Mansat
Periprosthetic shoulder infection (PSI) is rare but potentially devastating. The rate of PSI is increased in cases of revision procedures, reverse shoulder implants and co-morbidities. One specific type of PSI is the occurrence of low-grade infections caused by non-suppurative bacteria such as Propionibacterium acnes or Staphylococcus epidemermidis.Success of treatment depends on micro-organism identification, appropriate surgical procedures and antibiotic administration efficiency. Post-operative early PSI can be treated with simple debridement, while chronic PSI requires a one- or two-stage revision procedure...
April 2017: EFORT Open Rev
https://www.readbyqxmd.com/read/28499891/sapho-autophagy-il-1-foxo1-and-propionibacterium-cutibacterium-acnes
#14
Jean-Marie Berthelot, Stéphane Corvec, Gilles Hayem
Overt infection by Propionibacterium acnes is lacking in many SAPHO syndromes, and antibiotics have only a transient and incomplete effect, either in SAPHO syndrome or acne. As several auto-inflammatory bone disorders sharing overproduction of IL-1β can mimic SAPHO, this syndrome could partly depend on genetically encoded overproduction of IL-1β. However, cyclic intracellular infections, mostly by P. acnes, can contribute to the enhanced IL-1β release by some skin cells, and probably by bone cells. P. acnes is indeed a powerful trigger of NLRP3-inflammasome activation and IL-1β, leading to osteitis and enhanced mesenchymal cells differentiation in osteoblasts...
May 9, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28495228/post-operative-spondylodiscitis-due-to-propionibacterium-acnes-a-case-report
#15
R André, N Sabeh
Post-operative spondylodiscitis due to Propionibacterium acnes is rare, with only a few cases reported in the literature. In this article, we report the case of a 76-year-old patient who suffered from spondylodiscitis T12-L1 discovered after 1 month of pain and fever. Antibiotic treatment was administered for 6 weeks without revision surgery. Diagnosis remains incomplete, and preventive therapy against this infection is not well known. There is no link between immunosuppression and this infection. A cure has been reported in 98% of cases, but further investigation is still required for the establishment of treatment guidelines...
May 8, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28487790/delayed-manifestation-of-shunt-nephritis-a-case-report-and-review-of-the-literature
#16
Michael Babigumira, Benjamin Huang, Sherry Werner, Wajeh Qunibi
We present an unusual case of shunt nephritis in a 39-year-old male who presented 21 years after placement of a ventriculoperitoneal (VP) shunt. He complained of fevers, headaches, dizziness, and urticarial plaques on arms, trunks, and legs and was found to have anemia, low complement levels, elevated serum creatinine, proteinuria, and new onset microhematuria. Blood and urine cultures were negative. Renal biopsy showed features of acute tubulointerstitial nephritis attributed to vancomycin use. Glomeruli showed increased mesangial hypercellularity and segmental endocapillary proliferation...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/28479255/benzoyl-peroxide-and-clindamycin-topical-skin-preparation-decreases-propionibacterium-acnes-colonization-in-shoulder-arthroscopy
#17
Hailey H Dizay, Diana G Lau, Wesley M Nottage
BACKGROUND: Propionibacterium acnes is a gram-positive anaerobe that can lead to devastating postoperative shoulder infections. The objective of this study was to investigate whether a benzoyl peroxide and clindamycin preoperative skin preparation reduces the incidence of P. acnes colonization during shoulder arthroscopy. METHODS: Sixty-five shoulder arthroscopy patients were prospectively enrolled. A skin culture specimen was taken at the preoperative visit from standard arthroscopic portal sites...
May 4, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28436531/international-inter-rater-agreement-in-scoring-acne-severity-utilizing-cloud-based-image-sharing-of-mobile-phone-photographs
#18
Negar Foolad, Jennifer N Ornelas, Ashley K Clark, Ifrah Ali, Victoria R Sharon, Luluah Al Mubarak, Andrés Lopez, Ali Alikhan, Bishr Al Dabagh, Alireza Firooz, Smita Awasthi, Yu Liu, Chin-Shang Li, Raja K Sivamani
BACKGROUND: Cloud-based image sharing technology allows facilitated sharing of images. Cloud-based image sharing technology has not been well-studied for acne assessments or treatment preferences, among international evaluators. We evaluated inter-rater variability of acne grading and treatment recommendations among an international group of dermatologists that assessed photographs. METHODS: This is a prospective, single visit photographic study to assess inter-rater agreement of acne photographs shared through an integrated mobile device, cloud-based, and HIPAA-compliant platform...
April 24, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28434779/a-comparative-study-of-cutibacterium-propionibacterium-acnes-clones-from-acne-patients-and-healthy-controls
#19
H B Lomholt, C F P Scholz, H Brüggemann, H Tettelin, M Kilian
BACKGROUND: Cutibacterium (Propionibacterium) acnes is assumed to play an important role in the pathogenesis of acne. OBJECTIVES: To examine if clones with distinct virulence properties are associated with acne. METHODS: Multiple C. acnes isolates from follicles and surface skin of patients with moderate to severe acne and healthy controls were characterized by multilocus sequence typing. To determine if CC18 isolates from acne patients differ from those of controls in the possession of virulence genes or lack of genes conducive to a harmonious coexistence the full genomes of dominating CC18 follicular clones from six patients and five controls were sequenced...
April 19, 2017: Anaerobe
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#20
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
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