Objective Evaluation of Patients With Palmar Hyperhidrosis Submitted to

Status Completed

Clinical Trial Summary

Compare the results obtained with video-assisted sympathectomy performed in two distinct levels ganglionic (third versus fourth thoracic ganglion) for the treatment of palmar hyperhidrosis, through a blind randomized clinical trial using an objective method to measure the sweat before and after the operation.

Clinical Trial Description

Currently, the treatment of choice for treating palmar hyperhidrosis (PH) is video-assisted thoracic sympathectomy (VATS) . This minimally invasive technique has been well standardized and provides adequate results with low morbidity.

The main side effect of VATS is compensatory hyperhidrosis (CH). This is present in most cases and is considered the greatest cause of dissatisfaction. To reduce the risk of CH, various studies have been conducted to compare different levels of ganglion resection. These studies have been based on subjective quantification of sweating (assessment of sweating reported by patients) and on the application of quality-of-life questionnaires.

Recently, tests for the objective evaluation of sweating have been developed to quantify sweating among patients with various diseases, including PH. So far, there have not been any studies comparing the long-term results of thoracic sympathectomy on the third ganglion (G3) versus the fourth ganglion (G4)with objective evaluation to quantify sweating.

The present study was prospective, randomized and blinded, with the objective of comparing the results from VATS at two different resection levels: G3 versus G4. All the patients were followed over a one-year period, and their palmar sweating was quantified using a portable device (VapoMeter) to measure transepidermal water loss (TEWL). In addition, CH was evaluated by applying a specific quality-of-life questionnaire. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01140659
Study type	Interventional
Source	University of Sao Paulo
Contact
Status	Completed
Phase	N/A
Start date	February 2007
Completion date	February 2010

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Objective Evaluation of Patients With Palmar Hyperhidrosis Submitted to Two Levels of Sympathectomy: T3 and T4.

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms