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Life sciences · Observational Study
ClinicalTrials.gov · October 21, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT06899490). This is a study registration, not published results. Lead sponsor: Dr Benoit Bataille. Recruitment status: COMPLETED. Study type: OBSERVATIONAL. Enrollment: 466 participants (ACTUAL). Conditions: Anxiety Disorders. Primary outcome measures: Correlation using Machine Learning between Tongue Colorimetric Features and MADRS Scores , Baseline (single evaluation at enrollment). Brief summary: This observational study aims to assess the potential relationship between tongue colorimetry (using standardized photographic techniques) and anxiety-depression scores measured by the Montgomery-Åsberg Depression Rating Scale (MADRS) in acupuncture patients. Data will be analyzed using machine learning methods to determine whether tongue color features correlate with MADRS scores, possibly contributing to a novel, non-invasive diagnostic tool for anxiety and depression assessment in clinical practice. Participation involves only tongue photography and completion of questionnaires, without any invasive procedures or treatment modifications.