- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05795582
Upstroke Time Measured by Photoplethysmography (TEMPO-DIAB)
Upstroke Time Measured by Photoplethysmography : Comparison With the Systolic Toe Pressure Index in a Population of Diabetic Arteriopaths
Peripherial arterial disease (PAD) and diabetes are major public health issues. In 2020, according to the latest epidemiological data, it is estimated that there will be more than one million patients with PAD and more than 3.5 million diabetic patients in France.
In the diabetic patient, screening for PAD is carried out by calculating the Toe-Brachial pressure index (TBi), a technique that remains time-consuming and technically demanding, which limits its use for clinical routine screening.
A new photoplethysmographic method (PPG) makes possible to determine the quality of peripheral perfusion thanks to the automatic computation of the upstroke time (TMS in ms).
This method appears to be a promising, inexpensive, faster and easier technical alternative to improve the dissemination of the vascular screening in diabetics.
To date, no prospective study has established a relationship between the measurement of upstroke time using the PPG method and TBi in a specific diabetic population.We will perform a two-centre prospective study (Nice University Hospital and Antibes Hospital) comparing the two techniques. The main objective of our study will compare the values of the upstroke time obtained by a PPG method and the TBi in a population of diabetic patients.
The secondary objectives will be to compare the TBi values to the ratio of the TMS measurements at the toe to the reference TMS measured at the hand and to determine the sensitivity-specificity of the TMS measured by PPG compared to the TBi in the detection of a significant PAD in diabetics.
Study Overview
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Sophie BONNET
- Phone Number: 04 92 03 85 48
- Email: bonnet.s2@chu-nice.fr
Study Contact Backup
- Name: Gilles Di Lorenzo, Dr
- Phone Number: 04 92 03 38 35
- Email: di-lorenzo.g@chu-nice.fr
Study Locations
-
-
-
Antibes, France
- Recruiting
- CH d'Antibes
-
Contact:
- Fabien Lareyre
-
Nice, France, 06000
- Recruiting
- CHU de Nice
-
Contact:
- Samantha AMRANI
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patient > 18 years, with no upper age limit
- Vascular assessment for PAD (screening or follow-up).
- Patient diagnosed with type 2 diabetes according to WHO diagnostic criteria (blood glucose > 1.26 g/l (7.0 mmol/l) after an 8-hour fast and checked twice ; or the presence of symptoms of diabetes (polyuria, polydipsia, weight loss) associated with a blood glucose level (on venous plasma) > 2 g/l (11.1 mmol/l); or a blood glucose level (on venous plasma) > 2 g/l (11.1 mmol/l) 2 hours after an oral glucose load of 75 g), under medical treatment or under dietary treatment alone.
- Patient having signed the informed consent form for the study.
- Patient with social security coverage.
Exclusion Criteria:
- Patient under 18 years of age
- Major amputations including transfemoral and transtibial amputations
- Ankle or toe lesions
- Any clinical condition of the patient not allowing measurements (acute ischaemia, pain, tremors...).
- Pregnant women, pregnant and breast feeding women, persons deprived of their freedom by a judicial or administrative decision, persons hospitalised without consent who are not covered by the provisions of Article L. 1121-8, and persons admitted to a health or social establishment for purposes other than research.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: diabetic patients with peripherial arterial disease
Patients will be included during a vascular medicine consultation for follow-up or screening for vascular pathology.
Each subject will have their upstroke time measured by a new method of measurement using the device POPMETRE® (Axelife, France).
|
Measurement with 2 devices
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of the values of upstroke time (TMS) obtained by a new method of measurement by PPG (photoplethysmographic) technique and IPSo
Time Frame: 1 hour
|
TMS measurement
|
1 hour
|
Collaborators and Investigators
Investigators
- Principal Investigator: Gilles Di Lorenzo, Centre Hospitalier Universitaire de Nice
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 22-AOI-07
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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