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The Green Room: Virtual Nature for Mental Well-being in the Acute Psychiatry Ward (GREEN ROOM)

2026年6月12日 更新者：Hospital Clinic of Barcelona

The Green Room: A Mixed-Methods Randomized Controlled Trial Evaluating Virtual Reality-Based Nature Exposure in an Acute Psychiatry Ward

This study evaluates the feasibility, acceptability and clinical impact of a virtual reality (VR)- based nature intervention in an acute psychiatric inpatient unit. Participants are randomly assigned to recieve VR nature sessions (using Nature Treks VR on Meta Quest 3) in addition to standard care, or standard care alone. The primary outcome is change in percieved stress (PSS-19) from admission to discharge. The study uses a mixed-methods design combining randomized controlled trial with a qualitative phase.

調査の概要

状態

まだ募集していません

条件

介入・治療

詳細な説明

THE GREEN ROOM is a sequential, explanatory mixed-methods study comprising two phases. Phase 1 is a qualitative study (n=40; patients and healthcare professionals) using the Non-adoption, Abandonment, Scale-up, Spread, and Sustainability (NASSS) framework to identify barriers and facilitators to VR implementation in an acute psychiatric ward, and to co-create the final VR intervention content with patients and staff. Phase 2 is the randomised controlled trial described in this record.

Phase 2 participants are randomised 1:1 to receive VR-based nature exposure sessions (Nature Treks VR, Meta Quest 3) in addition to treatment as usual, or treatment as usual alone. Randomisation is stratified by legal admission status (voluntary vs. involuntary) using two separate pre-generated sequential allocation lists (n=60 per stratum). Allocation concealment is maintained through sequential, pre-fixed assignment managed by the research assistant; the Principal Investigator remains blinded to individual allocations during data collection, and the statistical analyst remains blinded until the analysis plan is finalised and locked.

Intervention-group participants are offered VR sessions of 10\u201315 minutes approximately every other day throughout hospitalisation, on a strictly voluntary basis. Participants may freely choose and switch between all nature environments available within the Nature Treks VR application. During the first VR session, a consecutive sub-sample of intervention participants (estimated n\u224850) additionally undergo physiological monitoring (heart rate and heart rate variability) using a consumer-grade wearable device (Fitbit).

The primary analysis will use a mixed-design ANOVA (or ANCOVA with baseline score as covariate) to evaluate change in PSS-10 from admission to discharge, following an intention-to-treat approach. Missing data will be handled under a Missing-At-Random assumption within the mixed-effects model framework, with complete-case analysis as a sensitivity check. Two exploratory subgroup analyses are pre-specified: by legal admission status and by primary diagnostic category.

研究の種類

介入

入学 (推定)

120

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

  • スペイン
    • Barcelona
      • Barcelona、Barcelona、スペイン
        • Hospital Clínic de Barcelona
        • コンタクト：

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

Adults aged 18 to 65 years. Admitted to the Acute Psychiatry Ward (regardless of voluntary or involuntary legal status).

Sufficient cognitive and clinical stability to provide informed consent and engage with the VR equipment, as determined by the clinical team.

Ability to communicate effectively in Spanish.

Exclusion Criteria:

History of photosensitive epilepsy or severe seizure disorders. Presence of active facial injuries, infections, or skin conditions that prevent the hygienic use of the VR headset.

Pre-existing severe vertigo, balance disorders, or high susceptibility to motion sickness.

Acute clinical state involving high risk of agitation or behavioral dysregulation that could compromise participant or equipment safety.

Severe visual or hearing impairments that cannot be corrected and would hinder the VR experience.

Patients who have previously participated in the study during a prior admission are not eligible for re-enrolment.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：支持療法
  • 割り当て：ランダム化
  • 介入モデル：並列代入
  • マスキング：独身

武器と介入

参加者グループ / アーム
介入・治療
実験的：VR + Treatment as Usual
Participants receive voluntary VR nature sessions (10-15 minutes, every other day) using Meta Quest 3, in addition to standar psychiatric care.
行動：Virtual Reality Nature Exposure
Voluntary immersive nature sessions using Nature Treks VR softwere on Meta Quest 3 head-mounted displays. Sessions last 10-15 minutes and are offered every other day throughout hospitalization. Participants freely choose among all available nature environments within the application.
アクティブコンパレータ：Treatment as Usual (TAU)
Participantrs receive standard pharmacological and psychotherapeutic care provided by the acute psychiatry ward, without VR sessions.
他の：Treatment as Usual (TAU)
Standard pharmacological and psychotherapeutic interventions provided by the acute psychiatry ward.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Change in Perceived Stress Scale-10 (PSS-10) score
時間枠：From admission (baseline) to discharge (average 2-3 weeks)
Change in PSS-10 total score from baseline assessment (T0, al clinical stabilization) to discharge assessment (T2). The Perceived Stress Scale-10 (PSS-10) is a 10-item self-report questionnaire measuring the degree to which situations in one's life are appraised as stressful. Scores range from 0 to 40, with higher scores indicating greater perceived stress.
From admission (baseline) to discharge (average 2-3 weeks)

二次結果の測定

結果測定
メジャーの説明
時間枠
World Health Organization-Five Well-Being Index (WHO-5) score
時間枠：Through study completion, an average of 2 weeks
The WHO-5 is a 5-item self-report measure of psychological well-being. Raw scores range from 0 to 25, with higher scores indicating better well-being.
Through study completion, an average of 2 weeks
Views On Inpatient Care (VOICE) score
時間枠：Through study completion, an average of 2 weeks
The VOICE is a patient-reported outcome measure assessing satisfaction with inpatient psychiatric care. Scores range from 0 to 42, with higher scores indicating greater satisfaction.
Through study completion, an average of 2 weeks
Client's Assessment of Treatment (CAT) score
時間枠：Through study completion, an average of 2 weeks
The CAT is an 8-item self-report measure of satisfaction with inpatient psychiatric treatment. Scores range from 8 to 40, with higher scores indicating greater satisfaction.
Through study completion, an average of 2 weeks
Length of hospital stay
時間枠：From admission to discharge, an average of 2 weeks
Total number of days from admission to discharge, extracted from medical records.
From admission to discharge, an average of 2 weeks
Rate of discharge against medical advice (DAMA)
時間枠：Throughout hospitalization, an average 2 weeks.
Proportion of participants who self-discharge against medical advice during the study period.
Throughout hospitalization, an average 2 weeks.
State-Trait Anxiety Inventory - State subscale (STAI-S) score
時間枠：Day 1
The STAI-S is a 20-item self-report measure of state anxiety. Scores range from 20 to 80, with higher scores indicating greater anxiety.
Day 1
Positive and Negative Affect Schedule (PANAS) score
時間枠：Day 1
The PANAS consists of two 10-item subscales measuring positive and negative affect. Each subscale ranges from 10 to 50. For the positive affect subscale, higher scores indicate more positive affect (better outcome); for the negative affect subscale, higher scores indicate more negative affect (worse outcome).
Day 1
System Usability Scale (SUS) score
時間枠：Day 1
The SUS is a 10-item questionnaire assessing perceived usability of a system. Scores range from 0 to 100, with higher scores indicating better usability.
Day 1
Simulator Sickness Questionnaire (SSQ) total severity score
時間枠：Day 1
The SSQ is a 16-item checklist assessing symptoms of nausea, oculomotor disturbance, and disorientation associated with virtual reality use. The total severity score ranges from 0 to 235.93, with higher scores indicating greater simulator sickness symptoms (worse outcome).
Day 1
Percentage of offered VR sessions accepted
時間枠：Throughout hospitalization (intervention group only) an average 2 weeks.
Percentage of offered VR sessions accepted by each participant in the intervention group, ranging from 0% to 100%, as a measure of intervention adherence and feasibility. Higher percentages indicate better adherence.
Throughout hospitalization (intervention group only) an average 2 weeks.

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Hospital Clinic of Barcelona

捜査官

  • 主任研究者：Pablo Barrio Gimenez、Hospital Clinic of Barcelona

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年6月10日

一次修了 (推定)

2026年12月1日

研究の完了 (推定)

2026年12月1日

試験登録日

最初に提出

2026年6月9日

QC基準を満たした最初の提出物

2026年6月12日

最初の投稿 (実際)

2026年6月17日

学習記録の更新

投稿された最後の更新 (実際)

2026年6月17日

QC基準を満たした最後の更新が送信されました

2026年6月12日

最終確認日

2025年6月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • HCB/2025/0704 (レジストリ識別子：CEIm- Hospital Clinic de Barcelona)

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