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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03990142
Other study ID # SUDHEMO
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 25, 2019
Est. completion date May 11, 2021

Study information

Verified date May 2021
Source Groupe Hospitalier Paris Saint Joseph
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Intradialytic hypotension is a common complication of hemodialysis sessions in patients with chronic renal failure, with an estimated prevalence of 10 to 30%. This hypotensopn is classically defined by a decrease in systolic blood pressure greater than 30 mmHg associated with clinical signs (cramps, abdominal pain, unconsciousness, convulsions). Its repetition is correlated with cardiovascular events, neurological events and excess mortality. Several clinical factors have been proposed to predict the risk of intradialytic hypotension such as age, certain comorbidities (diabetes, ischemic heart disease...), dialysis modalities (hemodialysis), ultrafiltration, conductivity but also alterations of the autonomic nervous system (especially the sympathetic system). In recent years, the study of vegetative functions has been facilitated by the use of SUDOSCAN® (Impeto, Paris, France) which is a simple, non-invasive tool that allows the study of Chlorine conductance directly reflecting the activity of small non-myelinated C fibers that innervate the sweat glands. SUDOSCAN® has shown good sensitivity and specificity in the diagnosis of vegetative damage in diabetic patients and also a good correlation with cardiac autonomic neuropathy. More recently, SUDOSCAN® has shown good sensitivity in the detection of neuropathies small fibers especially in diabetic patients. This sensitivity is comparable to QST-type quantitative tests and the correlation with cardiovascular dysautonomia tests is good. This test, simple and fast realization, does not require the active participation of the patient. There is a good correlation between the results of SUDOSCAN® and the reduction of intra-dermal fiber density at cutaneous biopsy. Hemodialysis patients are at risk of peripheral neurological involvement not only because of an increasing incidence of diabetes (30-40%) but also because of the abnormal production and elimination of certain uremic toxins. Few studies exist on the anomalies of the vegetative system in hemodialysis. A recent publication has suggested a difference in nerve excitability depending on the type of hemodialysis suggesting nerve changes secondary to ionic changes. The identification of patients at risk of intradialytic hypotension during dialysis sessions could be useful for adapting hemodialysis protocols. Patients will be classified into 2 groups according to the occurrence of intradialytic hypotension. Group 1 corresponds to patients with intradialytic hypotension and group 2 corresponds to patients without intradialytic hypotension.


Recruitment information / eligibility

Status Completed
Enrollment 176
Est. completion date May 11, 2021
Est. primary completion date May 31, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patient whose age = 18 years - Patient on hemodialysis for more than 6 months - Patient affiliated with a health insurance plan - Francophone patient - Patient giving free, informed and express consent Exclusion Criteria: - Patient with lesions, wounds, amputations preventing the measurement of the chlorine conductance of the palms of the hands and feet - Patient with a disability that prevents them from standing while measuring conductance / SUDOSCAN® - Patient already included in an interventional research protocol - Patient under tutorship or curatorship - Patient deprived of liberty

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Cutaneous conductance to chlorine by SUDOSCAN
The additional examination, related to this research protocol, corresponds to a record of cutaneous conductance with chlorine. This recording of 2 min 30 is done thanks to SUDOSCAN® within 30 minutes before the dialysis session (before the "connection" to the dialysis machine) and within 30 minutes after the end of the dialysis with a measurement of the tension blood pressure and heart rate immediately before SUDOSCAN®.

Locations

Country Name City State
France AURA Paris Plaisance Paris

Sponsors (1)

Lead Sponsor Collaborator
Groupe Hospitalier Paris Saint Joseph

Country where clinical trial is conducted

France, 

References & Publications (1)

Reach P, Touzot M, Lombardi Y, Maheas C, Sacco E, Fels A, Beaussier H, Ureña-Torres P, Chatellier G, Ridel C, Zuber M. Electrochemical skin conductance by Sudoscan®: a new tool to predict intradialytic hypotension. Nephrol Dial Transplant. 2021 May 21. pi — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Cutaneous conductance to chlorine by SUDOSCAN before hemiodialysis This outcome is to measure cutaneous conductance to chlorine by SUDOSCAN, 30 minuts before hemodialysis. Day 1
Secondary Cutaneous conductance to chlorine by SUDOSCAN after hemiodialysis This outcome is to measure cutaneous conductance to chlorine by SUDOSCAN, 30 minuts after hemodialysis. Day 1
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