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Glycopyrronium Tosylate (Qbrexza) for Hyperhidrosis

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Glycopyrronium Tosylate (Qbrexza) for Hyperhidrosis

Skin Therapy Lett. 2019 Mar;24(2):1-3

Authors: Nwannunu CE, Limmer AL, Coleman K, Shah R, Patel RR, Mui UN, Tyring SK

Abstract
Hyperhidrosis is a condition characterized by excessive sweat production beyond which is physiologically necessary for thermal regulation. Affecting over 4.8% of the United States population, studies have shown that severe primary hyperhidrosis interferes with daily activities and can be considered intolerable, negatively impacting a patient’s quality of life. Glycopyrronium tosylate is a topical anticholinergic agent that reduces sweat production by blocking the activation of acetylcholine receptors in peripheral sweat glands. In clinical trials, topical glycopyrronium tosylate, a pre-moistened cloth containing 2.4% glycopyrronium solution, was shown to be an effective, safe and non-invasive treatment for patients suffering from primary hyperhidrosis. This review examines the clinical trials of topical glycopyrronium tosylate and its role in primary hyperhidrosis. Glycopyrronium tosylate was recently US FDA-approved (as of June 2018) to manage patients with primary axillary hyperhidrosis.

PMID: 30970203 [PubMed – as supplied by publisher]

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Analysis of Contact Position for Subthalamic Nucleus Deep Brain Stimulation-Induced Hyperhidrosis.

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Analysis of Contact Position for Subthalamic Nucleus Deep Brain Stimulation-Induced Hyperhidrosis.

Parkinsons Dis. 2019;2019:8180123

Authors: Yang C, Qiu Y, Wu X, Wang J, Wu Y, Hu X

Abstract
Objectives: To analyze the hyperhidrosis neural network structure induced by subthalamic nucleus (STN) – deep brain stimulation (DBS).
Materials and Methods: Patients with Parkinson’s disease treated with STN-DBS in Changhai Hospital between July 1, 2015, and December 1, 2016, were analyzed retrospectively. Using records of side effects of the intraoperative macrostimulation test, patients with skin sweats were selected as the sweating group. Based on the number of cases in the sweating group, the same number of patients was randomly selected from other STN-DBS patients without sweating to form the control group. The study standardized electrode position with Lead-DBS software to Montreal Neurological Institute (MNI) standard stereotactic space to compare the differences in three-dimensional coordinates of activated contacts between groups.
Results: Of 355 patients, 11 patients had sweats during intraoperative macrostimulation tests. There was no significant difference in the preoperative baseline information and the postoperative UPDRS-III improvement rate (Med-off, IPG-on) between groups. Contacts inducing sweat were more medial (X-axis) (11.02 ± 0.69 mm vs 11.98 ± 0.84 mm, P=0.00057) and more upward (Z-axis) (-7.15 ± 1.06 mm VS -7.98 ± 1.21 mm, P=0.032) than those of the control group. The straight-line distance between the center of the sweat contact and the nearest voxel of the red nucleus was closer than that of the control group (2.72 ± 0.65 mm VS 3.76 ± 0.85 mm, P=0.00012).
Conclusions: STN-DBS-induced sweat indicated that the contact was at superior medial of STN.

PMID: 30956787 [PubMed]

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Intramedullary Spinal Cord Ganglioglioma Presenting as Hyperhidrosis: A Rare Case Report and literature Review.

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Intramedullary Spinal Cord Ganglioglioma Presenting as Hyperhidrosis: A Rare Case Report and literature Review.

World Neurosurg. 2019 Mar 20;:

Authors: Shi W, Zhao B, Yao J, Zhou Y, Tong M, Jing L, Wang G

Abstract
BACKGROUND: Hyperhidrosis is caused by sympathetic dysfunction of the central or peripheral nervous system. However, intramedullary spinal cord tumors presenting with hyperhidrosis as an initial symptom had been rarely reported in the literature.
CASE DESCRIPTION: This case involves an 18-year-old man who presented with abnormal enhanced sweating and flushing on the bilateral side of his face and neck that had persisted for 6 years. Magnetic resonance (MR) images revealed that, at the C7-T2 levels of the spinal cord, a large intramedullary tumor was involved in the cervico-thoracic region. The patient underwent gross total resection (GTR) of the tumor via the fluorescein-guided technique and intraoperative neurophysiological monitoring. The histopathological diagnosis revealed ganglioglioma. The symptoms gradually improved after the surgery, and the patient presented virtually complete remission at the end of an 18 months follow-up.
CONCLUSIONS: Few cases of intramedullary spinal cord tumors presenting as hyperhidrosis in clinical manifestation have been reported in the literature. Sympathetic irritation by the tumor, particularly in the location around the gray matter of the lateral spinal cord, may account for the hyperhidrosis as the initial symptom in present patient. Therefore, if a patient has autonomic dysfunction, the spine cord should be additionally examined using MR imaging.

PMID: 30904797 [PubMed – as supplied by publisher]

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The Treatment of Primary Focal Hyperhidrosis

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The Treatment of Primary Focal Hyperhidrosis

Skin Therapy Lett. 2018 Jan;24(1):7

Authors: Wechter T, Feldman SR, Taylor SL

Abstract
Primary focal hyperhidrosis is a relatively common disease that has a significant impact on afflicted patient’s quality of life. The pathogenesis of the disease is thought to stem from increased cholinergic activity on eccrine sweat glands. Topical aluminum chloride based antiperspirants are good first-line agents for all affected body sites. Anticholinergic agents are emerging as effective topical alternatives. Iontophoresis passes an electrical current through the skin and is an excellent treatment option for palmoplantar disease. Botulinum toxin type A injections remain a mainstay second-line treatment. Local procedural advances including microwave thermolysis, laser therapy and focused ultrasound are emerging as safe and effective alternatives for refractory disease. Oral anticholinergics are generally well tolerated and can also be used for intractable disease. Last-line interventions include local surgical options and sympathectomy, though some patients may prefer permanent treatment. Further investigation of novel treatments as well as ways to optimize existing therapeutic options are needed.

PMID: 30817880 [PubMed – as supplied by publisher]

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Cryoanalgesia with a CoolSense Device in Patients Treated with Botulinum Toxin-A for Palmar-Plantar Hyperhidrosis: A Self-Controlled Study.

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Cryoanalgesia with a CoolSense Device in Patients Treated with Botulinum Toxin-A for Palmar-Plantar Hyperhidrosis: A Self-Controlled Study.

Skin Appendage Disord. 2019 Feb;5(2):119-120

Authors: Kanni T, Agiasofitou E, Markantoni V, Tzanetakou V, Katoulis A, Gregoriou S, Rigopoulos D, Kontochristopoulos G

PMID: 30815449 [PubMed]

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Clinical and histological evaluation of a single high energy microwave treatment for primary axillary hyperhidrosis in Asians: A prospective, randomized, controlled, split-area comparative trial.

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Clinical and histological evaluation of a single high energy microwave treatment for primary axillary hyperhidrosis in Asians: A prospective, randomized, controlled, split-area comparative trial.

Lasers Surg Med. 2019 Feb 27;:

Authors: Kaminaka C, Mikita N, Inaba Y, Kunimoto K, Okuhira H, Jinnin M, Kao B, Tanino R, Tanioka K, Shimokawa T, Yamamoto Y

Abstract
BACKGROUND AND OBJECTIVES: Microwave treatment is an effective non-invasive treatment option for primary axillary hyperhidrosis (PAH), but the treatment parameters vary and no histopathological studies have been performed to validate clinical outcomes. This study investigated its efficacy and safety and histopathological changes after a single microwave treatment at the maximum energy level for PAH in Asians.
MATERIALS AND METHODS: A prospective, clinical, and histological split-area randomized controlled trial (RCT) was performed in Japan. Twenty-six subjects underwent a single microwave treatment at the maximum energy level 5 (5.8 GHz/axilla) on the randomized side of axillae. The primary outcome was the mean difference between both sides in the improvement of modified single-underarm Hyperhidrosis Disease Severity Scale (msHDSS) scores over the course of the 12-month study period from baseline. The secondary outcomes were; the percentage of responders with at least a 2-point drop in the msHDSS score of 3 or 4 group or with a 1-point drop in the msHDSS score of 2 group; the percentage of responders with at least a 75% reduction in sweat weight over 12 months; recurrence rate; and adverse effects. We also performed a histological assessment for 13 selected subjects.
RESULTS: Twenty-four subjects completed the study. There were statistically significant differences in improvement of msHDSS scores between the microwave-treated and control sides (P < 0.05) from baseline at 0.5, 1, 3, 6, and 12 months. In the msHDSS score of 3 or 4 group, the percentage of responders with at least a 2-point drop on the microwave-treated side versus control side was 72.2 versus 11.1% (P < 0.05) at 1 month, 83.3 versus 5.6% (P < 0.05) at 3 months, 61.1 versus 38.9% (P = 0.317) at 6 months and 38.9 versus 16.7% (P = 0.264) at 12 months. The percentage of responders with at least a 75% reduction in sweat weight on the microwave-treated side versus control side was 75.0 versus 37.5% at 1 month, 75.0 versus 29.2% at 3 months, 83.3 versus 50.0% at 6 months and 70.8 versus 33.3% at 12 months (all P < 0.05). Recurrence on the microwave-treated side was observed in 4.2% and 12.5% of 24 subjects at 3 and 12 months, respectively. No serious side-effects were noted. Histology showed the diameter and density of secretory eccrine glands and nerve fiber lengths around eccrine glands were significantly decreased after treatment compared to baseline (P = 0.002, 0.027, 0.003, respectively).
CONCLUSIONS: A single-session microwave treatment at the maximum energy level significantly improved the PAH of Japanese patients and had minimal side effects. This technique demonstrates that diminished size of secretory eccrine glands and nerve fiber degeneration could be useful markers for predicting the efficacy of the treatment. Lasers Surg. Med. 9999:1-8, 2019. © 2019 Wiley Periodicals, Inc.

PMID: 30811620 [PubMed – as supplied by publisher]

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[Impact of Selective Quality of Life Analysis in Patients with Local Hyperhidrosis after Sympathicus Clipping].

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[Impact of Selective Quality of Life Analysis in Patients with Local Hyperhidrosis after Sympathicus Clipping].

Zentralbl Chir. 2019 Feb 22;:

Authors: Schreiner W, Mykoliuk I, Dudek W, Sirbu H

Abstract
INTRODUCTION: Hyperhidrosis (HH) is associated with physical and psychological restrictions. The treatment includes both conservative and surgical methods and aims to permanently improve the quality of life (QoL) of those affected. Endoscopic sympathetic blockade (ESB) is an established surgical therapeutic method and is considered effective when conservative treatment options fail. The aim of our study was to comprehensively analyse the QoL alteration and patient satisfaction after ESB and to identify the corresponding influencing factors.
METHODS: From July 2008 to April 2016, 105 patients were operated for treatment-refractory HH. In all cases, an ESB was performed according to the HH form and the STS expert consensus (STS: Society of Thoracic Surgeons). QoL and hyperhidrosis status were selectively analysed pre- and postoperatively and evaluated using detailed questionnaires (a self-developed questionnaire, SF36, DLQI, Hyperhidrosis LQ (HidroQoL)). Statistical processing was performed with SPSS Statistics version 21.0.0.2 for Windows (Armonk, NY: IBM Corp.). Descriptive statistical analysis and nonparametric tests were used.
RESULTS: 105 patients who underwent bilateral ESB between July 2008 and April 2016 were evaluated: 73 women (69.5%) and 31 men (29.5%) with median age of 26 years (range: 16 - 64 years). Of the 105 patients who underwent bilateral ESB, 12 patients had focal Hyperhidrosis palmar and axillar (12.4%), 20 had Hyperhidrosis palmo-plantar (19.0%), 47 had Hyperhidrosis palmoplantar and axillar (44.8%), 11 had Hyperhidrosis axillar (10.5%), and 14 had Hyperhidrosis facial (13.3%). HydroQoL scores showed improvement in all forms of HH. All patient groups demonstrated improvement in DLQI, while the LQ analysis of SF36 showed an improvement in social functioning and mental well-being in all forms of HH other than HA. 86.7% of patients (n = 91) were satisfied with their postoperative outcome. Compensatory sweating (CS) was observed in 76.2% of cases (n = 80), without a clear LQ impact. No significant correlation between CS and the hyperhidrosis form was found.
CONCLUSIONS: ESB is associated with a long-time improvement in social functioning, psychological well-being, and high patient satisfaction. The onset of CS has no clear correlation to QoL and patient satisfaction.

PMID: 30795027 [PubMed – as supplied by publisher]