Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Et virtuelt virkelighedsbaseret hortikulturelt plantningsprogram for ældre med subklinisk depression

25. august 2026 opdateret af: Zhu Ziping, Fujian Medical University

Et virtuelt virkelighedsbaseret havebrugsplantningsprogram for ældre med subklinisk depression: En randomiseret kontrolleret pilotundersøgelse

Subthreshold depression repræsenterer en tilstand af psykologisk sub-sundhed mellem normale individer og klinisk depression. Det udgør en højrisikofase for at udvikle klinisk depression og en kritisk fase for at lindre depressive symptomer. Nuværende forskning fokuserer dog primært på behandling af depression hos ældre, med utilstrækkelig opmærksomhed på interventioner for højrisikobefolkninger eller begrænset til tværsnitsundersøgelser af subthreshold depression risikofaktorer. Derfor er det vigtigt at prioritere subthreshold depression hos ældre og implementere tidlige interventioner. En artikel fra 2024 i The Lancet antyder, at behandling af subthreshold depression bør prioritere psykoterapi og livsstilsjusteringer frem for medicin. Horticultural therapy, en tverrfaglig tilgang, der integrerer horticulture, medicin og psykologi, demonstrerer unikke fordele sammenlignet med traditionelle medicinske behandlinger. I praktisk anvendelse kan begrænsede ressourcer dog hindre tilstrækkelig støtte til horticultural aktiviteter, hvilket kompromitterer aktivitetskvalitet, reducerer terapeutisk effektivitet og begrænser den udbredte adoption af horticultural therapy. At integrere VR-teknologi med horticultural therapy kan give patienter mere omfattende, personlige og effektive mental sundhedsbehandlingsplaner, der styrker dem mod sundere, mere positive liv. Derfor har forskningsteamet designet et VR horticultural interventionssystem for ældre individer med subthreshold depression baseret på Social Participation Competence Framework.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Subthreshold depression (SD) repræsenterer en tilstand af psykologisk sub-sundhed mellem normale individer og klinisk depression. Det udgør et højrisikostadie for udvikling af major depressive disorder og et kritisk vindue for lindring af depressive symptomer. En lederartikel publiceret i JAMA understregede, at forskning i subthreshold depression har betydelige implikationer for at udforske forebyggelse og behandling af depression. Derfor er det afgørende at prioritere subthreshold depression hos ældre og implementere tidlige interventioner. Flere undersøgelser indikerer, at social engagement, som en af de modificerbare faktorer for depression hos ældre, aktivt kan forsinke indsættelsen og progressionen af geriatrisk depression. Social engagement omfatter multidimensionelle aktiviteter, gennem hvilke ældre udveksler materielle og følelsesmæssige ressourcer og opnår social anerkendelse. Disse inkluderer deltagelse i aktiviteter, opfyldelse af sociale roller, interpersonelle interaktioner, udnyttelse af sociale ressourcer og genoprettelse af personlig værdi. Faktorer som pensionering, sygdom eller fysisk tilbagegang fører ofte til en indsnævring af ældres eksisterende sociale netværk og svækkede sociale forbindelser. Dette resulterer i reduceret omfang og frekvens af social engagement, hvilket potentielt kan udløse eller forværre depressive lidelser. Omvendt underminerer depressive lidelser selv, gennem kernsymptomer som lavt humør og reduceret interesse, yderligere ældres vilje og evne til at opretholde relationer og aktivt deltage i aktiviteter, hvilket skaber en ond cirkel. En 2024-undersøgelse publiceret i The Lancet indikerer, at ældre med høje niveauer af social engagement udviser signifikant lavere depressionsrisiko sammenlignet med dem med lavt engagement. Ligeledes antyder en 2023 Nature Aging-undersøgelse, at social deltagelse kan reducere depression ved at lindre stress, inflammation og cerebrovaskulær skade, og derved bevare hjernehelbred, opbygge kognitiv reserve og afbøde depressive lidelser.

Virtual Reality (VR) teknologi, som en ny interventionsmetode, besidder tre nøglegenskaber: immersion, interaktivitet og simulering. Ved at genskabe virkelige omgivelser såsom hjem- og samfundsmiljøer, beriger det træningsoplevelsen for ældre individer med depression, hjælper dem med at tilpasse sig diverse sociale kontekster og forbedrer interventionsresultater. Horticultural therapy, en tvaerfaglig tilgang, der integrerer horticulture, medicin og psykologi, tilbyder relativt lave behandlingsomkostninger med minimale bivirkninger. Det spiller en positiv rolle i at fremme fysisk genopretning, forbedre følelsesmæssigt velvære og forbedre sociale færdigheder. I stigende grad udforsker forskningsteams VR-genererede virtuelle horticultural miljøer og horticultural aktivitetsinterventioner. VR-teknologi adresserer flere begrænsninger af traditionel horticultural therapy. VR-baserede gartneriaktiviteter overvinder tidsmæssige og rumlige begrænsninger, reducerer omkostningerne og risiciene forbundet med fysisk gartneri og giver rigere, mere personliggjorte socialiserede horticultural indstillinger og aktiviteter, der imødekommer diverse patientbehov. Derfor tilbyder integration af VR-teknologi med horticultural therapy patienter en mere omfattende, personliggjort og effektiv mental sundhedsbehandlingsplan, der styrker dem til at leve sundere, mere positive liv.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

62

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

    • Fuzhou
      • Fujian, Fuzhou, Kina, 350001
        • Nursing school of Fujian Medical university

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inklusionskriterier:

  • Alder ≥ 60 år
  • Opfylder subtræskelsdepressionsdiagnosekriterier: CES-D score ≥ 16 på Center for Epidemiological Survey, Depression Scale (CES-D) brugt i epidemiologiske undersøgelser (dette kriterium er bredt anvendt i sammenlignelige studier)
  • Ingen kommunikationsbarrierer i syn, hørelse eller tale
  • Informert samtykke

Eksklusionskriterier:

  • Insulinafhængig diabetes
  • Skjoldbruskkirtelsygdom
  • Nylig eksponering for en større traumatisk stressbegivenhed, uden risiko for selvmord
  • Deltager i øjeblikket i andre lignende studier
  • Klinisk diagnosticeret med psykiske lidelser såsom depression eller skizofreni
  • Tager i øjeblikket antidepressiv medicin
  • Svær kognitiv svækkelse
  • Svær fysisk sygdom eller organisk lidelse med nedsat evne til selvpleje

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Virtual Reality Intervention
Denne gruppe anvendte et virtual reality-interventionssystem baseret på havebrugsplantning, designet og udviklet af forskningsteamet.
The system comprised six progressive horticultural tasks, each associated with a distinct plant: (1) Tomato Planting, (2) Corn Cultivation, (3) Strawberry Care, (4) Eggplant Harvest, (5) Rose Growing, and (6) Sunflower Expansion. All tasks followed the same eight standardized steps-land preparation, seed sowing, seedling fertilization, initial watering, secondary fertilization, secondary watering, pest removal, and harvesting-but were arranged in a clear gradient of increasing difficulty. This progression was reflected in expanding planting scales, escalating task complexity, heightened cognitive load, more refined judgment requirements, and varying demands on operational precision. Each task was performed individually by the participant using the VR headset, without any multiplayer or collaborative components, as the system was designed for personalized, self-paced intervention.
This arm of seniors maintains their daily routines and participates regularly in the nursing home's daily activities.
Eksperimentel: Routine Care
The control group received routine health management over the 6-week period, which encompassed assistance with daily living activities, basic medical care (including regular health check-ups and medication management), recreational activities, and environmental cleaning, with no additional structured intervention.
This arm of seniors maintains their daily routines and participates regularly in the nursing home's daily activities.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Subthreshold Depression
Tidsramme: The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks .

The Center for Epidemiological Surveys Depression Scale (CES-D) was developed by Rirodiff at the National Institute of Mental Health in the United States. It is designed for screening depressive symptoms in older adults, comprising 20 items. Each question assesses one symptom, covering 20 distinct symptoms in total. The total score ranges from 0 to 60 points. A score ≤15 indicates no depressive symptoms, 16-19 suggests possible depressive symptoms, and ≥20 confirms depressive symptoms. The Cronbach's alpha coefficient for the Chinese population is 0.90. It is one of the most commonly used subthreshold depression epidemiological survey tools, with existing studies defining CES-D ≥16 as subthreshold depression.

Translated with DeepL.com (free version)

The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks .

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
General cognitive function
Tidsramme: The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
The Montreal Coanitive Asessment Scale,developed by Nasreddine in 2004 to assess participants'general cognitive function, covers eight areasof cognitive assessment, including visuospatial and executive function, naming, memory, attention, speech, abstraction, delayed recall, andorientation. The Changsha version of the Montreal Cognitive Assessment Scale was used in this study, and its Cronbach's a coeficient was 0.846,retest reliability was 0.974, and investigator reliability was 0.969. The score of the Montreal Cognitive Assessment Scale ranges from 0 to 30points. The higher the score,the better the cognitive function ofthe study subjects. The iliterate group s13, the primary school group s19 and thejunior high school and above group s24 can be judged as impaired cognitive function to correct the bias caused by education level.
The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
Anxiety Condition
Tidsramme: The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately
The self-rating anxiety scale (SAS) was designed and developed by Zung in the United States in 1971 to assess the severity of anxiety symptoms in individuals. It demonstrates good reliability and validity, with a split-half reliability coefficient of 0.696, test-retest reliability of 0.777, and internal consistency of 0.82. Additionally, it exhibits good construct validity . The scale comprises 20 items, with items 5, 9, 13, 17, and 19 scored in reverse. The scale employs a 1-4 rating scale (1 = never or rarely; 2 = a small portion of the time; 3 = a considerable portion of the time; 4 = most or all of the time). Individuals complete the scale based on their experiences during the past week. The total score is multiplied by 1.25, rounded to the nearest whole number to obtain a standardized score, which serves as the statistical indicator. A higher standardized score indicates more severe anxiety levels
The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately
Self-Efficacy
Tidsramme: The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
The General Self-Efficacy Scale (GSES), developed by Schwarzer et al , was used. It consists of 10 items rated on a 4-point Likert scale, ranging from 1 (strongly disagree) to 4 (strongly agree). Higher total scores indicate higher levels of self-efficacy. In this study, the Cronbach α coefficient was 0.81.
The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
Sleep Quality
Tidsramme: The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
This study employed the Pittsburgh Sleep Quality Index (PSQI) developed by Buysse et al. in 1989 to assess patients' sleep quality over the preceding month. The 19-item questionnaire comprises seven components: subjective sleep quality, sleep onset latency, sleep duration, sleep efficiency, sleep disturbances, hypnotic medication use, and daytime functioning. The total score ranges from 0 to 21, with higher scores indicating poorer sleep quality. The Cronbach's alpha coefficient for this scale is 0.85.
The intervention was conducted in November 2025, and the evaluation time was 0,6 weeks separately.
System Usability
Tidsramme: The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.
System Usability Scale (SUS) Developed by Brooke et al., the scale used in this study is the Chinese version of the System Usability Scale translated and revised by Chinese scholars including Li Yongfeng. This scale is unidimensional and consists of 10 items. It employs a 5-point Likert scale, with scores ranging from 1 ("Strongly Disagree") to 5 ("Strongly Agree"). Positive items (Items 1, 3, 5, 7, 9) are scored positively: Actual item score = Item rating - 1. Negative items (Items 2, 4, 6, 8, 10) are scored negatively: Actual item score = 5 - Item rating. If an item is left blank, it is assigned a score of 3. The total scale score = sum of all item scores × 2.5. The scale has a maximum score of 100 points, with scores >60 considered usable, 70 considered good, ≥80 considered excellent, and ≥90 considered outstanding. The Cronbach's alpha coefficient for this scale is 0.91.
The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.
Simulator Sickness
Tidsramme: The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.
The Simulator Sickness Questionnaire(SSQ) developed by Kennedy et al. in 1993, is a widely used tool for assessing the subjective severity of simulator sickness symptoms. The SSQ consists of pre- and post-experiment sections. The pre-experiment section employs the Pensacola Motion Sickness Questionnaire (MSQ) to gather information about participants' current physical condition and prior simulator experience. The post-experiment section measures symptom severity on a four-point scale (0-3) for each symptom. SSQ items can be grouped into three factors: nausea (e.g., sweating, difficulty concentrating, gastric awareness), eye movement disturbances (e.g., headache, eye fatigue, blurred vision), and disorientation (e.g., head fullness, dizziness with eyes open/closed, vertigo). The SSQ can be scored in two ways: (1) Calculate the score for each factor by summing the scores of all relevant items (each factor includes 7 items), with a score range of 0-179.5
The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.
Immersion Presence
Tidsramme: The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.

The Immersion Presence Questionnaire (IPQ) was employed to evaluate users' sense of immersion in the experience. Developed by Schubert et al., this questionnaire was subsequently translated into Chinese and validated for reliability and validity by Liang Jiahui et al. The results demonstrated its strong reliability and validity, with a Cronbach's α coefficient of 0.82. The Chinese version comprises 13 items organized into three dimensions: spatial presence (Items 2, 3, 9), involvement (Items 1, 6, 10), and realism (Items 4, 5, 8, 11, 12, 13). Item 7 reflects overall presence. Each item employs a 7-point Likert scale ranging from -3 to 3 points, with items 10 and 12 reverse-scored. The total score ranges from -39 to 39 points, where a higher score indicates a better sense of presence experience in the virtual reality environment.

Item 7 reflects overall presence. Each item uses a 7-point Likert scale ranging from -3 to 3 points, with items 10 and 12 reverse-scored. The total score rang

The intervention will be implemented in November 2025, with the evaluation conducted after the 6-week intervention period concludes.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

10. november 2025

Primær færdiggørelse (Faktiske)

16. januar 2026

Studieafslutning (Faktiske)

16. januar 2026

Datoer for studieregistrering

Først indsendt

27. november 2025

Først indsendt, der opfyldte QC-kriterier

9. december 2025

Først opslået (Faktiske)

10. december 2025

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

27. august 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • K2025-06-025

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-deling Understøttende informationstype

  • STUDY_PROTOCOL

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .