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Combination Chemotherapy and Radiation Therapy With/Without Surgery In Patients With Stage II/III Bladder Cancer

15. Mai 2018 aktualisiert von: Radiation Therapy Oncology Group

A Phase II Randomized Trial for Patients With Muscle-Invading Bladder Cancer Evaluating Transurethral Surgery and BID Irradiation Plus Either Paclitaxel and Cisplatin or 5-Fluorouracil and Cisplatin Followed by Selective Bladder Preservation and Gemcitabine/Paclitaxel/Cisplatin Adjuvant Chemotherapy

RATIONALE: Drugs used in chemotherapy work in different ways to stop tumor cells from dividing so they stop growing or die. Radiation therapy (RT) uses high-energy x-rays to damage tumor cells. It is not yet known which regimen of combination chemotherapy plus radiation therapy with or without surgery is more effective in treating bladder cancer.

PURPOSE: Randomized phase II trial to study the effectiveness of two combination chemotherapy regimens and radiation therapy with or without radical cystectomy in treating patients who have stage II or stage III bladder cancer.

Studienübersicht

Detaillierte Beschreibung

OBJECTIVES:

  • Estimate the safety and tolerability of induction paclitaxel, cisplatin, and radiotherapy or fluorouracil, cisplatin, and radiotherapy followed by consolidation chemoradiotherapy or radical cystectomy and adjuvant gemcitabine, paclitaxel, and cisplatin in patients with operable stage II or III bladder cancer.
  • Estimate the efficacy of these regimens, in terms of complete response, in patients who have undergone prior transurethral resection (TUR).
  • Estimate the efficacy of these regimens after TUR, in terms of preserving the native tumor-free bladder 5 years after therapy, in these patients.
  • Estimate the function of the preserved bladder in patients treated with these regimens after TUR.
  • Determine the value of tumor histopathologic, molecular genetic, and DNA content parameters as possible prognostic factors for initial tumor response and recurrence-free survival in patients treated with these regimens.

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to T stage (T2 vs T3/T4 ). Patients are randomized to one of two treatment arms.

  • Induction therapy (weeks 1-3):

    • Arm I: Patients receive paclitaxel IV over 1 hour on days 1, 8, and 15 and cisplatin IV over 1 hour on days 1-3, 8-10, and 15-17. Patients also receive pelvic radiotherapy twice daily on days 1-5, 8-12, and 15-17.
    • Arm II: Patients receive fluorouracil IV over 24 hours on days 1-3 and 15-17 and cisplatin IV over 1 hour on days 1-3, 8-10, and 15-17. Patients also receive pelvic radiotherapy as in arm I.

Patients in both arms who achieve complete response after induction therapy proceed to consolidation therapy on week 8. Patients with operable pT1 or worse tumor response proceed to radical cystectomy on week 9.

  • Consolidation therapy (weeks 8 and 9):

    • Arm I: Patients receive paclitaxel IV over 1 hour on days 1 and 8 and cisplatin IV over 1 hour on days 1, 2, 8, and 9. Patients also receive pelvic radiotherapy twice daily on days 1-5 and 8-10.
    • Arm II: Patients receive 5-FU IV over 24 hours on days 1-3 and 8-10 and cisplatin as in arm I. Patients also receive radiotherapy as in arm I.
  • Adjuvant chemotherapy (weeks 21-33 or 17-29): Beginning 12 weeks after consolidation therapy or 8 weeks after radical cystectomy, patients receive gemcitabine IV over 30-60 minutes, paclitaxel IV over 1 hour, and cisplatin IV over 1 hour on days 1 and 8. Treatment repeats every 3 weeks for 4 courses.

Patients are followed every 3 months for 1 year, every 4 months for 1 year, every 6 months for 3 years, and then annually thereafter.

PROJECTED ACCRUAL: A total of 96 patients (48 per treatment arm) will be accrued for this study within 3 years.

Studientyp

Interventionell

Einschreibung (Tatsächlich)

97

Phase

  • Phase 2

Kontakte und Standorte

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

Studienorte

    • Utah
      • Salt Lake City, Utah, Vereinigte Staaten, 84103
        • LDS Hospital
      • Salt Lake City, Utah, Vereinigte Staaten, 84106
        • Utah Cancer Specialists at UCS Cancer Center

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

Nicht älter als 120 Jahre (Kind, Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

DISEASE CHARACTERISTICS:

  • Histologically confirmed operable primary muscle invasive bladder cancer

    • T2-T4a, NX or N0, M0 (stage II or III)
  • Must have an adequate functioning bladder
  • Must have undergone a prior transurethral resection of the bladder tumor within the past 8 weeks
  • No evidence of tumor-related hydronephrosis
  • No evidence of distant metastases or histologically or cytologically confirmed lymph node metastases
  • Patients with involvement of the prostatic urethra with transitional cell cancer that was visibly completely resected are allowed

    • No evidence of stromal invasion of the prostate

PATIENT CHARACTERISTICS:

Age

  • Not specified

Performance status

  • Zubrod 0-1

Life expectancy

  • Not specified

Hematopoietic

  • Hemoglobin at least 10 g/dL
  • White blood cell (WBC) count at least 4,000/mm^3
  • Absolute neutrophil count at least 1,800/mm^3
  • Platelet count at least 100,000/mm^3

Hepatic

  • Serum bilirubin no greater than 2.0 mg/dL

Renal

  • Serum creatinine no greater than 1.5 mg/dL
  • Creatinine clearance at least 60 mL/min NOTE: If the creatinine clearance is greater than 60 mL/min, creatinine of no greater than 1.8 mg/dL is allowed at the discretion of the study chair

Other

  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile patients must use effective contraception
  • No other malignancy within the past 5 years except nonmelanoma skin cancer, stage T1a prostate cancer, or carcinoma in situ of the cervix
  • Must be able to tolerate systemic chemotherapy with pelvic radiotherapy and radical cystectomy

PRIOR CONCURRENT THERAPY:

Biologic therapy

  • Not specified

Chemotherapy

  • No prior systemic chemotherapy

Endocrine therapy

  • Not specified

Radiotherapy

  • No prior pelvic radiotherapy

Surgery

  • See Disease Characteristics

Other

  • No concurrent drugs that have potential nephrotoxicity or ototoxicity (e.g., aminoglycosides)

Studienplan

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

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Pelvic RT + paclitaxel + cisplatin
Induction: Twice-daily pelvic radiation therapy (RT) with paclitaxel and cisplatin; Consolidation: Twice-daily pelvic radiation therapy with paclitaxel and cisplatin if tumor response is T0/Ta/Tis or radical cystectomy if tumor response is ≥ T1; Adjuvant: gemcitabine, paclitaxel, and cisplatin.
Induction: 15 mg/m2 as a 60-minute infusion on days 1, 2, 3, 8, 9, 10, 15, 16, and 17; Consolidation: 15 mg/m2 as a 60-minute infusion on days 1, 2, 8, and 9; Adjuvant: 35 mg/m2 as a 60-minute infusion on days 1 and 8 of each 21-day cycle for 4 cycles.
Induction: 50 mg/m2 as a 60-minute infusion on days 1, 8, and 15; Consolidation: 50 mg/m2 as a 60-minute infusion on days 1 and 8; Adjuvant: 50 mg/m2 as a 60-minute infusion on days 1 and 8 of each 21-day cycle for 4 cycles.
Induction: External beam irradiation, 1.6 Gy, will be given to the pelvis in the first treatment followed by an interfraction period of at least 4-6 hours. During the second treatment, 1.5 Gy will be delivered to the whole bladder for the first five sessions (7.5 Gy) then to the tumor plus a margin for eight sessions (12. Gy). Consolidation: Consolidation therapy will start 7-14 days following a cystoscopic re-evaluation demonstrating a complete response to the induction therapy. 1.5 Gy (per fraction) will be given to the pelvis in two treatment fractions per day, with an interfraction period of at least 4-6 hours.
Adjuvant: 1000 mg/m2 over 30-60 minutes on days 1 and 8 of each 21-day cycle for 4 cycles.
Operable patients with pT1 or worse tumor response on re-evaluation following induction therapy will have radical cystectomy.
Experimental: Pelvic RT + fluorouracil + cisplatin
Induction: Twice-daily pelvic radiation therapy (RT) with fluoruracil and cisplatin; Consolidation: Twice-daily pelvic radiation therapy with fluoruracil and cisplatin if tumor response is T0/Ta/Tis or radical cystectomy if tumor response is ≥ T1; Adjuvant: gemcitabine, paclitaxel, and cisplatin.
Induction: 15 mg/m2 as a 60-minute infusion on days 1, 2, 3, 8, 9, 10, 15, 16, and 17; Consolidation: 15 mg/m2 as a 60-minute infusion on days 1, 2, 8, and 9; Adjuvant: 35 mg/m2 as a 60-minute infusion on days 1 and 8 of each 21-day cycle for 4 cycles.
Induction: External beam irradiation, 1.6 Gy, will be given to the pelvis in the first treatment followed by an interfraction period of at least 4-6 hours. During the second treatment, 1.5 Gy will be delivered to the whole bladder for the first five sessions (7.5 Gy) then to the tumor plus a margin for eight sessions (12. Gy). Consolidation: Consolidation therapy will start 7-14 days following a cystoscopic re-evaluation demonstrating a complete response to the induction therapy. 1.5 Gy (per fraction) will be given to the pelvis in two treatment fractions per day, with an interfraction period of at least 4-6 hours.
Adjuvant: 1000 mg/m2 over 30-60 minutes on days 1 and 8 of each 21-day cycle for 4 cycles.
Operable patients with pT1 or worse tumor response on re-evaluation following induction therapy will have radical cystectomy.
Induction: 400 mg/m2 as a 24-hour infusion on days 1, 2, 3, 15, 16, and 17; Consolidation: 400 mg/m2 as a 24-hour infusion on days 1, 2, 3, 8, 9, and 10.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Treatment Completion Rate
Zeitfenster: From randomization to 11 weeks
Radiation therapy and chemotherapy per protocol or within acceptable variation guidelines based on central review. The study was designed for a two-sided binomial test with 87% power and a significance level of 0.05 with a null hypothesis of a 70% completion rate against the alternative 90% completion rate. For each arm, more than 34 out of 43 evaluable patients completing the treatment, would indicate to reject the null hypothesis for a better treatment completion rate. Fewer than 24 out 43 evaluable patients completing the treatment would indicate to reject the null hypothesis for a worse treatment completion rate. Otherwise, the conclusion would be that there is not enough evidence to reject the null hypothesis of a 70% completion rate in either direction.
From randomization to 11 weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Complete Response After Induction
Zeitfenster: From randomization to eight weeks
Complete response requires the absence of any tumor in the tumor-site biopsy specimen or elsewhere and a bimanual exam that does not indicate the presence of a tumor mass.
From randomization to eight weeks
Bladder-intact Survival Rate (5 Years)
Zeitfenster: From the date of randomization to five years.
Bladder-intact survival was measured from the date of randomization to occurrence of cystectomy or death. Five-year rates were estimated using the Kaplan-Meier method.
From the date of randomization to five years.

Mitarbeiter und Ermittler

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

Ermittler

  • Studienstuhl: Robert Dreicer, MD, FACP, The Cleveland Clinic
  • Hauptermittler: Anthony L. Zietman, MD, Massachusetts General Hospital
  • Studienstuhl: Robert Uzzo, MD, Fox Chase Cancer Center

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.

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)

1. Dezember 2002

Primärer Abschluss (Tatsächlich)

1. Oktober 2010

Studienabschluss (Tatsächlich)

14. Mai 2018

Studienanmeldedaten

Zuerst eingereicht

6. März 2003

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

6. März 2003

Zuerst gepostet (Schätzen)

7. März 2003

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

15. Juni 2018

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

15. Mai 2018

Zuletzt verifiziert

1. Mai 2018

Mehr Informationen

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