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Sim-Free Ethos: Feasibility of Same-Day Phantom-Based Adaptive Palliative Radiotherapy (SPRINT)

3. november 2026 oppdatert av: University Health Network, Toronto

A Prospective, Phase II, Single-Arm Feasibility Study of Same-Day, Simulation-Free, Phantom-Based Online Adaptive Palliative Radiation

This study evaluates same-day, simulation-free adaptive palliative radiotherapy using an online adaptive radiotherapy platform. The study will assess whether image-guided adaptive radiotherapy can be safely and feasibly delivered within a single day for patients requiring palliative radiation treatment. Participants will receive either a single radiation fraction (8 to 20 Gy) or a hypofractionated regimen (25 to 40 Gy in 3 to 5 fractions), based on clinical requirements. The complete treatment workflow, including consultation, consent, adaptive planning, and treatment delivery, will be completed on the same day. The primary outcome is feasibility, defined as successful generation and delivery of a clinically acceptable adaptive treatment plan on the day of consultation. Secondary outcomes include workflow efficiency, acute toxicity, patient-reported outcomes, patient satisfaction, treatment tolerability, and dosimetric comparison between adaptive plans and standard institutional SBRT benchmarks. Approximately 40 participants will be enrolled and followed for up to 12 months.

The study hypothesizes same-day, simulation-free online adaptive palliative radiotherapy is feasible and safe, allowing timely delivery of clinically acceptable treatment plans without compromising treatment quality or patient experience.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

40

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • Ontario
      • Toronto, Ontario, Canada, M5G 2M9
        • Princess Margaret Cancer Center
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Adults aged 18 years or older
  • ECOG performance status of 0 to 2 at baseline
  • Patients who are candidates for palliative radiotherapy
  • Patients must have lesions suitable for treatments within the prescribed dose range
  • Patients who are able to provide informed consent
  • Patients who are available for follow-up for at least one month after treatment (interested individuals will be asked in person)

Exclusion Criteria:

  • Prior radiotherapy precluding safe re-irradiation
  • Pregnancy
  • Comorbidities that can increase radiation risk (such as scleroderma or ataxia-telangiectasia)
  • Inability to tolerate supine positioning for approximately thirty minutes

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Støttende omsorg
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Same-Day Simulation-Free Adaptive Palliative Radiotherapy

Phantom-Based online adaptive radiotherapy delivered without a conventional simulation appointment. Treatment planning is generated using image-guided adaptive workflows on the day of consultation to enable same-day delivery of palliative radiotherapy. Radiation dose ranges from 8 to 20 Gy in a single fraction or 25 to 40 Gy delivered in 3 to 5 fractions, according to lesion location, target size, and normal tissue constraints.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Feasibility of Same-Day Simulation-Free Adaptive Palliative Radiotherapy
Tidsramme: Baseline through 12 months

Defined as the proportion of participants for whom a clinically acceptable adaptive radiotherapy plan meeting predefined clinical goal variations is successfully generated and delivered on the same day as consultation. Feasibility will be expressed as a proportion with an exact 95% confidence interval. A success rate of ≥85% will be considered evidence that same-day adaptive radiotherapy is implementable in clinical practice.

Baseline through 12 months

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Workflow Duration
Tidsramme: Day of treatment

Time required to complete the simulation-free adaptive radiotherapy workflow, including consultation, consent, treatment planning, and treatment delivery. Workflow interruptions and causes of delays will also be documented.

Day of treatment
Acute Treatment-Related Toxicity
Tidsramme: Baseline through 12 months

Incidence and severity of treatment-related adverse events assessed using Common Terminology Criteria for Adverse Events (CTCAE) version 6.0. Toxicities will be summarized by grade, higher grades indicate worse outcomes

Baseline through 12 months
Change in Pain Severity
Tidsramme: Baseline through 12 months

Pain will be assessed using the Brief Pain Inventory-Short Form (BPI-SF). Scales ranging from 0 to 10, where 0 indicates no pain/no interference and 10 indicates the worst pain imaginable or complete interference with daily activities. Higher scores indicate worse pain and greater pain-related interference. Changes in pain scores and analgesic use will be evaluated over time.

Baseline through 12 months
Change in Quality of Life
Tidsramme: Baseline through 12 months

Quality of life will be assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire for Palliative Care (EORTC QLQ-C15-PAL). For the Global Quality of Life and Functional Scales, higher scores indicate better quality of life or functioning. For the Symptom Scales, higher scores indicate greater symptom burden and worse outcomes.

Baseline through 12 months
Patient Satisfaction With Same-Day Adaptive Radiotherapy
Tidsramme: Day of treatment

Patient satisfaction will be assessed using a study-specific questionnaire evaluating treatment tolerability, comfort, communication, and overall experience with the same-day adaptive radiotherapy process.

Day of treatment

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. desember 2026

Primær fullføring (Antatt)

1. desember 2027

Studiet fullført (Antatt)

1. desember 2027

Datoer for studieregistrering

Først innsendt

3. november 2026

Først innsendt som oppfylte QC-kriteriene

3. november 2026

Først lagt ut (Faktiske)

9. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

9. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

3. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 25-6037

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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