- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01191632
Effect of Neoadjuvant Radiation on Tumor Infiltrating T-cells by Low Dose Radiation in Colorectal Liver Metastases
Randomised Controlled Phase I/II Trail to Evaluate the Effect of Neoadjuvant Radiation on Tumor Infiltrating T-cells by Low Dose Radiation Therapy in Resectable Colorectal Liver Metastases Patients
The efficiency of T cell based immunotherapies is affected by the insufficient migration and activity of tumor specific effector T cells in the tumor. Aim of this phase I/II clinical trial is to evaluate whether a neoadjuvant, low dose radiotherapy can improve T cell connected anti tumor immune response in colorectal liver metastases.
The primary endpoint is the number of tumor infiltrating T cells. Furthermore the T cell activity in situ, the number of regulatory T cells and the frequency of tumor reactive T cells in the blood and bone marrow will be examined.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Forventet)
Fase
- Fase 2
- Fase 1
Kontakter og lokationer
Studiesteder
-
-
-
Heidelberg, Tyskland, 69120
- Rekruttering
- University of Heidelberg
-
Kontakt:
- Juergen Weitz
- Telefonnummer: +49 6221 56 6250
- E-mail: juergen.weitz@med.uni-heidelberg.de
-
Kontakt:
- Christoph Reissfelder
- Telefonnummer: +49 6221 56 6250
- E-mail: christoph.reissfelder@med.uni-heidelberg.de
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Ability of subject to understand character and individual consequences of the clinical trial
- Written informed consent (must be available before enrolment in the trial)
- Age ≥ 50 years
- Radiological urgently suspected colorectal liver metastasis
Exclusion Criteria:
- second malignancy
- Pregnancy and lactation
- no prior liver radiation
- liver metastasis must be resectable
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Aktiv komparator: Radiation 0,5Gy
Radiation: one time Radiation with an intensity of 0.5 Gy Group A Beginning on a weekday 48 hours before surgery |
Radiation: one time Radiation with an intensity of 0.5 Gy Group A 2.0 Gy Group B 5 Gy Group C Beginning on a weekday 48 hours before surgery |
Aktiv komparator: No radiation
Control group with 0Gy radiation
|
Control group with 0Gy
|
Aktiv komparator: Radiation 2Gy
Radiation: one time Radiation with an intensity of 2.0 Gy Group B Beginning on a weekday 48 hours before surgery |
Radiation: one time Radiation with an intensity of 0.5 Gy Group A 2.0 Gy Group B 5 Gy Group C Beginning on a weekday 48 hours before surgery |
Aktiv komparator: Radiation 5Gy
Radiation: one time Radiation with an intensity of 5 Gy Group C Beginning on a weekday 48 hours before surgery |
Radiation: one time Radiation with an intensity of 0.5 Gy Group A 2.0 Gy Group B 5 Gy Group C Beginning on a weekday 48 hours before surgery |
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Purpose of the study is the determination of an active local external beam radiotherapy dose leading to a maximal number of tumor infiltrating T-cells. The total T-cell activity serves as primary surrogate parameters for anti- tumor activity
Tidsramme: 2 years
|
2 years
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
To determine local control and recurrence patterns of colorectal liver metastases in a CT
Tidsramme: 2 years
|
2 years
|
To determine the progression-free survival in patients treated with low dose photon beam radiation therapy
Tidsramme: 2 years
|
2 years
|
• To determine the surgical morbidity in patients undergoing liver resection who received this protocol treatment
Tidsramme: 2 years
|
2 years
|
• To determine 30-day post-operative mortality after liver resection in patients who received this protocol treatment
Tidsramme: 2 years
|
2 years
|
• To determine the T-cell activity in the resected liver tissue
Tidsramme: 2 years
|
2 years
|
• To determine quality of life according to the EORTC QoL questionnaire after 6 months.
Tidsramme: 6 months
|
6 months
|
To determine the number of regulatory T-cells in the resected liver tissue
Tidsramme: 2 years
|
2 years
|
To determine the frequencies of tumor-reactive T-cells in the blood and bone marrow of the patients
Tidsramme: 2 years
|
2 years
|
To determine quality of life according to the EORTC QoL questionnaire after 12 months.
Tidsramme: 1 year
|
1 year
|
To determine the number of patients with adverse events as a measure of safety and tolerability according to CTCAE, Version 4.0 criteria
Tidsramme: 2 years
|
2 years
|
Samarbejdspartnere og efterforskere
Sponsor
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- S081/2008
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 .
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