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Psychological Distress and Clinical Outcomes in Patients Undergoing Radiotherapy (Distress RT)

7. Juli 2026 aktualisiert von: Saengrawee Thanthong, Chulabhorn Cancer Center

Advanced Cancer Stage and Healthcare Coverage Predict Longitudinal Psychological Distress and Clinical Outcomes in Patients Undergoing Radiotherapy

The goal of this observational study is to understand the emotional and physical burden (distress) experienced by cancer patients as they go through radiotherapy treatmen. Researchers want to learn what specific problems such as physical symptoms, financial worries, or travel issues most affect a patient's well-being and how those feelings change over the course of several weeks of care.

The main questions it aims to answer are:

Does high distress lead to negative clinical results, such as missing radiation appointments, significant weight changes, or needing to be admitted to the hospital unexpectedly? Which groups of patients are at the highest risk for severe distress (for example, those with advanced-stage cancer or those using specific types of health insurance)? What are the most common physical, practical, and emotional problems that cause distress during the different phases of treatment?

Participants will:

Complete a survey about their health history and background before treatment begins.

Rate their distress level on a scale of 0 to 10 (using a tool called a Distress Thermometer) and check off specific concerns from a 42-item list each week during their 2 to 8 weeks of radiotherapy.

Complete one final follow-up assessment one month after finishing their radiotherapy treatment.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Study Rationale and Objective: Psychological distress in cancer patients is a recognized catalyst for negative clinical outcomes, yet it remains under-monitored in many tertiary care settings. This research was designed as a prospective longitudinal study to move beyond single-point prevalence surveys and capture the fluctuating nature of distress throughout the radiotherapy (RT) trajectory. The primary objective was to evaluate the longitudinal patterns of distress and identify independent clinical and socioeconomic predictors that correlate with treatment adherence and unplanned healthcare utilization.

Operational Framework: The study tracked a purposive sample of 374 cancer outpatients across eight distinct assessment phases: Baseline (T0): Pre-treatment assessment of demographic, socioeconomic, and clinical status.

Weekly Monitoring (T1-T8): Real-time tracking of distress levels and symptom accumulation throughout the typical 2- to 8-week RT course.

Follow-up (T9): Post-treatment assessment one month after the completion of radiotherapy.

Multidimensional Assessment: Distress was quantified using the NCCN Distress Thermometer (DT), a 0-10 visual analogue scale, with a score≥4 triggering clinical concern. To identify the specific drivers of this distress, participants utilized a 42-item Problem List covering five critical domains:

Physical: Monitoring the accumulation of RT-related side effects such as fatigue, pain, and changes in appearance.

Practical: Identifying logistical barriers, including financial instability (specifically under the Universal Coverage Scheme), transportation difficulties, and work interference.

Psychological: Tracking anxiety, fear, and sadness. Social/Family: Assessing caregiving burdens and relationship stressors. Spiritual: Exploring concerns regarding faith and the meaning of life. Statistical Focus: The study employed multivariate ordinal logistic regression to isolate independent predictors of distress severity while controlling for age and gender. This rigorous analysis aimed to confirm how clinical factors, such as Advanced Cancer Stage (III-IV), and socioeconomic factors, such as Healthcare Coverage type, significantly increase the risk of high psychological burden. By correlating these predictors with tangible clinical outcomes, including significant weight changes, missed appointments, and unplanned hospital admissions, the study provides an evidence-based rationale for a multidisciplinary, holistic nursing approach in oncology departments.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

374

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Thailand
    • Bangkok
      • Bangkok, Bangkok, Thailand, 10210
        • Chulabhorn Hospital

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Patients diagnosed with cancer who are receiving treatment through radiotherapy.
  • Individuals aged 18 years or older.
  • Ability to communicate effectively and understand the Thai language.
  • Voluntary agreement to participate in the research project.

Exclusion Criteria:

  • Presence of emergency medical conditions or a clinical necessity to receive treatment by other methods.
  • Inability to attend follow-up monitoring assessments as dictated by the study protocol.
  • Participants who request to withdraw from the project during the study period.
  • Failure to complete the full course of radiotherapy treatment due to disease progression.
  • A physician's diagnosis of a brain or neurological condition that interferes with the patient's ability to perceive or assess their own symptoms.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Unterstützende Pflege
  • Zuteilung: N / A
  • Interventionsmodell: Einzelgruppenzuweisung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Longitudinal monitoring of psychological distress in cancer outpatients undergoing radiotherapy
This arm consists of a single purposive cohort of 374 cancer outpatients who are observed across eight distinct phases: a pre-treatment baseline (T0), weekly assessments during the 2-to-8-week radiotherapy course, and a one-month post-treatment follow-up (T2). The focus of this arm is the naturalistic observation of fluctuating psychological distress levels and their correlation with clinical outcomes such as treatment adherence and unplanned hospitalizations.
Sonstiges: Systematic monitoring

This study utilizes a standardized longitudinal psychological screening protocol to monitor cancer outpatients across eight distinct phases: a pre-treatment baseline (T0), weekly assessments throughout the 2-to-8-week radiotherapy (RT) course (T1-Tn), and a final follow-up one month post-treatment (T2).

Participants are screened using the NCCN Distress Thermometer (DT), a 0-10 visual analog scale for global burden, and a 42-item Problem List that identifies specific stressors across five multidimensional domains: physical, psychological, social/family, practical, and spiritual. This longitudinal framework distinguishes the protocol from standard cross-sectional surveys by capturing the real-time accumulation of side effects and secondary distress peaks occurring mid-treatment.

In accordance with the hospital's clinical trigger model, a DT score of ≥ 4 is established as the threshold for clinically significant distress, which facilitates immediate referral to a multidisciplinary team.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change from baseline in psychological distress severity scores as measured by the NCCN Distress Thermometer throughout the radiotherapy course
Zeitfenster: Participants are assessed at eight distinct time points: Baseline (T0): Prior to the initiation of radiotherapy. Weekly Monitoring (T1-Tn): Once per week throughout the 2-to-8-week Follow-up (T2): One month after completion
The global psychological burden is quantified using the NCCN Distress Thermometer (DT), a single-item visual analog scale ranging from 0 (no distress) to 10 (extreme distress). A score of ≥ 4 is established as the clinical cut-off point, indicating moderate-to-severe distress that warrants multidisciplinary intervention.
Participants are assessed at eight distinct time points: Baseline (T0): Prior to the initiation of radiotherapy. Weekly Monitoring (T1-Tn): Once per week throughout the 2-to-8-week Follow-up (T2): One month after completion

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Identification of independent predictors of moderate-to-severe psychological distress
Zeitfenster: Analysis is conducted using data collected from the pre-treatment baseline (T0) through the completion of the 2-to-8-week radiotherapy course and the one-month post-treatment follow-up (T2)
This outcome measure focuses on isolating specific clinical and socioeconomic variables that significantly increase the risk of a patient reaching a Distress Thermometer (DT) score of ≥ 4. The study utilizes multivariate ordinal logistic regression to evaluate the predictive power of factors such as Cancer Stage (III-IV vs. 0-II), Healthcare Coverage type (Universal Coverage Scheme vs. Civil Servant benefits), and Treatment Intent (Palliative vs. Curative). By identifying these independent predictors, the research aims to provide a profile for early identification of high-risk individuals who require immediate multidisciplinary intervention
Analysis is conducted using data collected from the pre-treatment baseline (T0) through the completion of the 2-to-8-week radiotherapy course and the one-month post-treatment follow-up (T2)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Chulabhorn Cancer Center

Ermittler

  • Studienleiter: Saengrawee Thanthong, Chulabhorn Royal Academy

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

2. Mai 2025

Primärer Abschluss (Tatsächlich)

27. Oktober 2025

Studienabschluss (Tatsächlich)

30. Juni 2026

Studienanmeldedaten

Zuerst eingereicht

7. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

7. Juli 2026

Zuerst gepostet (Tatsächlich)

13. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

13. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

7. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 039/2564

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

Confidentiality Protocols: The study protocol approved by the Institutional Review Board of the Chulabhorn Royal Academy explicitly states that all participant data will be kept strictly confidential and will be presented only as an aggregate overview.

Data Protection: All personally identifiable information has been removed from the final dataset to ensure anonymization.

Data Destruction: In accordance with the ethical considerations defined in the "Methods for maintaining volunteer confidentiality," the investigators have committed to destroying all recording data and deleting the dataset immediately upon the completion of the research project.

Access Restrictions: The protocol specifies that data is stored in a locked secure cabinet accessible only to the primary investigators to prevent unauthorized viewing.

Consequently, there is no plan to share individual participant data (IPD) with outside researchers, as doing so would conflict with the established privacy protections.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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