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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06050304
Other study ID # 2022-A02072-41
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date September 2023
Est. completion date September 2024

Study information

Verified date August 2023
Source Assistance Publique - Hôpitaux de Paris
Contact Florence Vorspan, MD, PhD
Phone 01 40 05 44 17
Email Florence.vorspan@aphp.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This research focuses on behavioral sensitization (BS) a specific behavioural disturbance in crack-cocaine addiction. The primary objective is to observe whether BS can be demonstrated in an ecological setting in crack dependent users by continuous actimetry for 3 weeks. It is planned to include 20 persons with a current crack-cocaine addiction with a preferential use of rapid administration route (intravenous or smoke), in a care institution: Fernand Widal Hospital. In the proposed research, the investigators will assess the movements of crack-cocaine dependent users in relation to consumption. They will have to wear continuously for 3 weeks an actimeter. They will also have 3 blood tests trying to identify biomarkers of BS.


Description:

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Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Observation of behavior and search of biomarkers with 3 blood tests.3 weeks wearing an actimeter
In the form of a small watch, which collects the level of motor activity throughout the day and night. Patients will be asked to indicate each moment of crack-cocaine use by pressing the button in the center of the watch. We want to know if certain uses lead to more behavioral problems (especially after periods of cessation).
Biological:
3 blood tests
We will try to identify biomarkers of BS: blood proteins, genetic markers passed on by your parents, or the expression of proteins in particular situations

Locations

Country Name City State
France Hôpital Fernand Widal Paris

Sponsors (2)

Lead Sponsor Collaborator
Assistance Publique - Hôpitaux de Paris Institut National de la Santé Et de la Recherche Médicale, France

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Other A/G % in rs7568970 polymorphism of the LRP1B gene in patients with observed versus without observed BS Fold change of the methylation status of the LRP1B gene in patients with observed versus without observed BS 3 weeks
Primary Reduction in sleep duration(hours/minutes) on crack-cocaine use days following a break of at least 2 days compared to crack-cocaine use days without any break (means over the 3 weeks period) Reduction in sleep duration(hours/minutes) on crack-cocaine use days following a break of at least 2 days compared to crack-cocaine use days without any break (means over the 3 weeks period) 3 Weeks
Secondary Earlier onset of M10(the time of day when the 10 hours of peak motor activity begins, a reflection of the "motor wake-up time). The time of day when the 10 hours of peak motor activity begins, a reflection of the "motor wake-up time") (hours/minutes) during crack-cocaine use days following a 2 days break compared to crack-cocaine use days without any break (comparison of mean M10 time) 3 Weeks
Secondary Shorter relative amplitude of motor activity (the relative difference between M10) Average activity level during the most active 10-hour period) and L5 (average activity level during the least active 5-hour period) (hours/minutes) during crack-cocaine use days following a 2 days break compared to crack-cocaine use days without any break (comparison of mean relative amplitudes over 3 weeks 3 Weeks
Secondary Self-defined patients' expectations toward treatment measured in qualitative interviews Expectations toward treatment measured in qualitative interviews 3 Weeks
Secondary Higher scores assessed with questionnaires that approximate BS Higher scores assessed with questionnaires that approximate BS 3 weeks
Secondary WURS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS WURS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary ASRS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS ASRS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary SAPS-CIP in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS SAPS-CIP in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary YMRS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS YMRS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary UPPS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS UPPS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary PDI in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS PDI in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
Secondary PANSS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS PANSS in patients presenting with at least 1 of the 3 previously defition of BS on actimetric measures compared to patients without BS 3 weeks
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