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Is Initial Response to Low Dose Risperidone Predictive for Outcome in Anxiety?

Evaluation of Predictability of the Initial Response to a Low Dose of Risperidone on the Middle Term Efficiency in Anxious Subjects

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03227562
Enrollment
120
Registered
2017-07-24
Start date
2017-09-01
Completion date
2021-12-01
Last updated
2022-08-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anxiety State

Keywords

risperidone, anxiety, cognition, stress

Brief summary

Risperidone at low dosage is often used as treatment of acute anxiety symptom. However, patients may be either responder or not. Here we hypothesized that the early response to a low dose of risperidone is predictive to risperidone efficiency. Subjects with acute anxiety symptoms (Hospital anxiety depression scale) and risperidone prescription would be proposed to be enrolled in the study. A check-up is made at D0, then the subjects begin the treatment (0.5mg risperidone). The same check-up is carried out on the following day (D1). The subjects fulfil a last check-up 12 week after the beginning of treatment (W12). During the D1-W12, the psychiatrist may changes the treatment.

Detailed description

Risperidone at low dosage is often used as treatment of acute anxiety symptom. However, patients may be either responder or not. Here we hypothesized that the early response to a low dose of risperidone is predictive to risperidone efficiency. Subjects with acute anxiety symptoms (Hospital anxiety depression scale) and risperidone prescription would be proposed to be enrolled in the study. After acceptation, the fulfil questionnaires (MINI, PCL-s-V) then they interacts with test on computers (PVT, 2nBack, Iowa gambling task) and give saliva and receive an actimetric watch (D0). They begin the treatment on the evening (0.5mg risperidone/day). The following day, they come back to hospital and they fulfil the same tests, questionnaires and samples (D1). 12 week after, they come again to hospital to fulfil the same tests, questionnaires and samples (W12). Between D1 and S12, the psychiatrist may change the treatment, adding other treatment or modifying risperidone treatment (increasing dosage up to 2mg/day or removing it).

Interventions

DRUGRisperiDONE 0.5 MG

To be prescribed a 0.5mg risperidone treatment for anxiety is required to be enrolled.

Sponsors

Marion Trousselard
Lead SponsorOTHER_GOV

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

All subjects are under 0.5mg risperidone (one group). Accordin to their response to treatment (responder vs. non responder) the 2 experimental groups will be created.

Eligibility

Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

* anxiety (score above 11 at anxiety scale of HADs) * To have a prescription for 0.5 mg risperidone/day * To give the consent * To have a social protection * To be adult (18-50 years)

Exclusion criteria

* Psychiatric antecedents * any treatment for mental disease (antidepressant, anxiolytics, etc.) * Ongoing neurological pathologies * Scheduled surgery * addiction * pregancy * known intolerance to risperidone * participation to another biomedical study

Design outcomes

Primary

MeasureTime frameDescription
Anxietychanges between baseline and day 1 and between baseline and week 12score in Anxiety scale in the Hospital Anxiety Depression Scale (HADs)

Secondary

MeasureTime frameDescription
Type of anxietychanges between baseline and day 1 and between baseline and week 12score in the Post-trauma CheckList 5

Other

MeasureTime frameDescription
Cognitionchanges between baseline and day 1 and between baseline and week 12score in the Iowa Gambling Task

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026