- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00881595
Proton kemoradioterapi til højrisiko bløddelssarkomer (SA02)
En pilotundersøgelse, der undersøger neoadjuverende temozolomid-baseret protonkemoradioterapi til højrisiko bløddelssarkomer
Målet med denne undersøgelse er at evaluere virkningerne af temozolomid og strålingskombination i behandlingen tilsigtet af bløddelssarkomer.
Denne undersøgelse vil også se på det tumorvæv, der blev fjernet under din indledende biopsi og din sidste operation for information, der kan hjælpe med at behandle bløddelssarkom i fremtiden. Derudover vil efterforskerne undersøge en prøve af dit normale væv (valgfrit) fra indersiden af din mund/kind (for at sammenligne det med dit tumorvæv), før behandlingen påbegyndes.
Studieoversigt
Status
Betingelser
Undersøgelsestype
Fase
- Fase 2
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inklusionskriterier:
- Patienter skal have histologisk og radiografisk bevis for lokaliseret højrisiko bløddelssarkom (STS) påkrævet før registrering.
Til formålet med denne undersøgelse er højrisiko STS defineret af mindst to af følgende risikofaktorer:
- Tumor ≥ 5 cm i maksimal diameter på MR eller CT
- Histologi klasse 3 eller 4 (AJCC, 7. udgave)
- Tumor dyb til den investerende fascia
- Lokalt tilbagevendende sarkom uden forudgående strålebehandling til det primære sted
- Alder >55 år gammel
- Tumor skal betragtes som potentielt resektabel som defineret ved tværsnitsbilleddannelse.
- Der skal være gået mindst 2 uger fra enhver tidligere operation eller hormonbehandling. Patienter skal have ≤ grad 1 akut toksicitet af enhver tidligere behandling med anti-cancer modaliteter (tilbage til baseline status som noteret før seneste behandling). Patienter med vedvarende, stabile kroniske toksiciteter fra tidligere behandling ≤ grad 1 er kvalificerede.
- Alder ≥18 år på tidspunktet for samtykke.
- Lægen dokumenterede en forventet levetid på mere end 3 måneder.
Patienter skal have normal organ- og marvfunktion inden for 4 uger før undersøgelsesbehandling som defineret nedenfor:
- hæmoglobin ≥ 9 g/dL
- leukocytter ≥3.000/mikroliter (mcL)
- absolut neutrofiltal ≥1.500/mcL
- blodplader ≥100.000/mcL
- total bilirubin ≤ institutionel øvre normalgrænse
- aspartataminotransferase (AST/SGOT) og alaninaminotransferase (ALT/SGPT) < 2,5 x institutionel øvre normalgrænse
- kreatinin inden for 1,5 x øvre normalgrænse (ULN)
- Kvinder i den fødedygtige alder skal acceptere at bruge passende prævention (hormonel prævention eller barrieremetode til prævention; afholdenhed) før studiestart og i løbet af undersøgelsesdeltagelsen og i 12 måneder efter behandlingen. Patienter skal have en negativ serumgraviditetstest inden for 14 dage før påbegyndelse af behandling i dette forsøg. Seksuelt aktive mænd skal også bruge passende præventionsmetode og bør ikke blive far til et barn, mens de modtager terapi under denne undersøgelse.
- Evne til at forstå og villighed til at underskrive et skriftligt Institutional Review Board (IRB) stemplet, studere specifikt informeret samtykkedokument forud for forskningsrelaterede procedurer eller undersøgelsesbehandling.
Ekskluderingskriterier:
- Modtagelse af eventuelle undersøgelsesmidler.
- Behandling med cytotoksiske midler og/eller behandling med biologiske midler inden for de 4 uger før påbegyndelse af behandling i denne undersøgelse.
- Bevis på metastatisk sygdom.
- Tidligere strålebehandling til det berørte sted.
- Ukontrolleret interkurrent sygdom, herunder, men ikke begrænset til, igangværende eller aktiv infektion, symptomatisk kongestiv hjertesvigt, ustabil angina pectoris, ukontrolleret hjertearytmi og/eller psykiatrisk sygdom/sociale situationer, der ville begrænse overholdelse af undersøgelseskrav.
- Gravide kvinder er udelukket fra denne undersøgelse, fordi undersøgelsesmidlerne kan have potentiale for teratogene eller abortfremkaldende virkninger. Da der er en ukendt, men potentiel risiko for bivirkninger hos ammende spædbørn sekundært til moderens behandling med disse midler, bør amning afbrydes, hvis moderen behandles.
- HIV-positive patienter er ikke egnede, fordi disse patienter har øget risiko for dødelige infektioner, når de behandles med marvsuppressiv terapi og den potentielle farmakokinetiske interaktion mellem antiretroviral behandling og forsøgsmidlerne.
- Al urtemedicin og/eller alternativ medicin bør seponeres under undersøgelsen, disse inkluderer, men er ikke begrænset til: Hydrastis canadensis (guldsæl), Uncaria tomentosa (katteklo) eller Echinacea angustifolia.
- Behov for behandling med immunsuppressive midler eller kroniske steroider.
- En historie med en overfølsomhedsreaktion over for nogen af temozolomids komponenter eller over for Dacarbazin (DTIC).
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: BEHANDLING
- Tildeling: NON_RANDOMIZED
- Interventionel model: SINGLE_GROUP
- Maskning: INGEN
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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ANDET: Proton kemoradioterapi efterfulgt af operation
Proton kemoradioterapi efterfulgt af operation.
Temozolomid fem dage om ugen under strålebehandling i 5 uger.
Protonstråling fem dage om ugen i 5 uger Standardkirurgi vil finde sted 4-6 uger efter afslutning af kemoradiation.
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Proton kemoradioterapi efterfulgt af operation.
Resektion af tumor 4-6 uger efter behandling.
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ACTIVE_COMPARATOR: Kemoradioterapi Temozolomid
Kemoradioterapi Temozolomid: 75 mg/m2 fem dage om ugen under strålebehandling i 5 uger.
Temozolomide bør tages oralt 1 time før hver session med strålebehandling på hverdage (mandag til fredag).
Dosis vil blive bestemt ved hjælp af kropsoverfladearealet (BSA) beregnet ved begyndelsen af den samtidige behandling.
BSA vil blive beregnet ud fra højden opnået ved forbehandlingsbesøget og vægten opnået før den første behandlingsdag.
Den samtidige behandling vil vare indtil afslutningen af strålebehandlingen.
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Temozolomid: 75 mg/m2 fem dage om ugen under strålebehandling i 5 uger. Temozolomid: 75 mg/m2 fem dage om ugen under strålebehandling i 5 uger.
Temozolomide bør tages oralt 1 time før hver session med strålebehandling på hverdage (mandag til fredag).
Dosis vil blive bestemt ved hjælp af kropsoverfladearealet (BSA) beregnet ved begyndelsen af den samtidige behandling.
BSA vil blive beregnet ud fra højden opnået ved forbehandlingsbesøget og vægten opnået før den første behandlingsdag.
Den samtidige behandling vil vare indtil afslutningen af strålebehandlingen.
Andre navne:
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ACTIVE_COMPARATOR: Protonterapi
50 koboltgrå ækvivalent (CGE), 25 daglige fraktioner, 5 uger (2 CGE/fx)
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50 koboltgrå ækvivalent (CGE), 25 daglige fraktioner, 5 uger (2 CGE/fx)
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
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Vurder muligheden for behandling af neoadjuverende temozolomid-baseret proton kemoradioterapi til højrisiko bløddelssarkom
Tidsramme: 6 måneder efter operationen derefter hver 6. måned i 3 år
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6 måneder efter operationen derefter hver 6. måned i 3 år
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Sekundære resultatmål
Resultatmål |
Tidsramme |
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Vurder akutte og sene toksiciteter
Tidsramme: Ugentligt under behandlingen, 6 måneder efter operationen, derefter hver 6. måned i 3 år
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Ugentligt under behandlingen, 6 måneder efter operationen, derefter hver 6. måned i 3 år
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Samarbejdspartnere og efterforskere
Sponsor
Publikationer og nyttige links
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Kliniske forsøg med Blødt vævssarkom
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University GhentOsteology FoundationAktiv, ikke rekrutterende
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Kliniske forsøg med Proton kemoradioterapi efterfulgt af operation
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