Green Light Effects on Anxiety
Public ClinicalTrials.gov record NCT04871087. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Narrow Band Green Light (NBGL) Effects on the Treatment of Anxiety During Psychotherapy Sessions: a Pilot Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The main goal of this study is to determine whether exposure to a narrow band of green light (NBGL) improves outcome of psychotherapy sessions for the treatment of anxiety. This is a within-subject study design that examines NBGL effects (as compared to white light) on anxiety level and treatment success, as evaluated by the treating psychotherapist and the patient. For each participant, the study will consist of 8 therapy sessions, each lasting 60 minutes, in which light conditions will be presented in the following order Session 1: White light, Session 2: white light, Session 3: NBGL (i.e., green light), Session 4: NBGL, Session 5: NBGL, Session 6: NBGL, Session 7: White light, Session 8: White light Effects of lights (white vs.NBGL) on anxiety level will be evaluated at the beginning and end of each therapy session by the patient, using a validated questionnaire. At the end of each session, the treating psychotherapist will fill another evaluation form that summarizes her/his impression of the treatment success or lack of.
Study identification
- NCT ID
- NCT04871087
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 100 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 95 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 30, 2021
- Primary completion
- Mar 31, 2022
- Completion
- Mar 31, 2022
- Last update posted
- Mar 14, 2022
2021 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Delray Center for Healing | Delray Beach | Florida | 33483 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
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About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04871087, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 14, 2022 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04871087 live on ClinicalTrials.gov.