Bladder Preservation Therapy in combination with Atezolizumab and Radiation Therapy for invasive bladder cancer, a phase II, open-label, multicenter study (BPT-ART)
Bladder Preservation Therapy in combination with Atezolizumab and Radiation Therapy for invasive bladder cancer, a phase II, open-label, multicenter study (BPT-ART)
実施国(日本以外) /
Countries of Recruitment(Except Japan)
なし
none
研究対象者の適格基準 / Key inclusion & exclusion criteria
主たる選択基準 / Inclusion Criteria
1. 登録前90日以内に経尿道的膀胱腫瘍切除術(TURBT)が施行され、組織学的に尿路上皮癌と診断されている患者。ただし、2nd-TURBTを実施した患者は、2nd-TURBT施行日が登録前90日以内(組織学的評価は登録前150日以内)であること 2. 組織学的評価におけるTNM分類(UICC/AJCC第8版)がcT1~3N0M0の浸潤性膀胱癌と診断されている患者 1) cT1N0M0の患者の場合、下記のいずれか最低一つを満たす患者 a. T1腫瘍が多発(2個以上) b. 2nd-TURの組織上T1病変の残存を認める c. 随伴CISを認めるT1腫瘍 d. BCG抵抗性T1腫瘍 e. BCG不耐の再発性T1腫瘍 2) cT2~3N0M0の場合、最大腫瘍径が5 cm以下の患者 3. 3年以上の生存が期待される患者 4. Eastern Cooperative Oncology Group(ECOG)のPerformance Statusが0又は1の患者 5. Atezolizumab初回投与前14日以内のスクリーニング時の臨床検査値が以下の基準を満たす a. 白血球数が2500 /μL以上 b. 好中球数が1500 /μL以上 c. リンパ球が300 /μL以上 d. 血小板数が100×103 /μL以上 e. ヘモグロビンが9.0 g/dL以上 f. AST、ALT、ALPがULNの2.5倍以下 g. 総ビリルビンがULNの1.0倍以下 h. 血清クレアチニンがULNの1.5倍以下又はクレアチニンクリアランス(CrCl)が30 mL/min以上(Cockcroft-Gault式を用いて算出) i. PTT/PTがULNの1.5倍以下又はPT-INRがULNの1.7倍以下 6. 妊娠可能な女性の場合は、治験薬投与中のみならず、治験薬投与終了後も少なくとも5ヵ月間は禁欲又は年間避妊失敗率1%未満である避妊方法を使用することに同意する。 7. 妊娠する可能性のある女性をパートナーに持つ男性の場合、治験薬投与中及び投与終了後33週間にわたり、上記6に規定する避妊に対する指示に同意する。
1. Histologically confirmed UC of the bladder by TURBT within 90 days prior to study registration. Patients who received 2nd-TURBT, the date of surgery within 90 days prior to study registration (Histologically confirmed by TURBT diagnosis of UC of the bladder within 150 days prior to study registration). 2. Histologically confirmed cT1-3N0M0 (UICC/AJCC 8th edition) invasive bladder cancer 1) Tumor stage cT1N0M0 Patients must satisfy one of more of the following: a. Multiple T1 carcinoma (2 and more) b. Residual T1 lesion by 2nd-TUR c. T1 carcinoma with CIS d. BCG-resistant T1 carcinoma e. BCG-intolerant recurrent T1 carcinoma 2) Tumor stage cT2-3N0M0 Maximum lesion diameter 5 cm and more 3. Life expectancy 3 years and more 4. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1 5. The following laboratory results obtained within 14 days prior to the first dose of Atezolizumab. a. WBC counts 2500/microliter and more b. ANC 1500 cells/microliter and more c. Lymphocyte count 300/microliter and more d. Platelet count 100,000/microliter and more e. Hemoglobin 9.0 gram/deciliter and more f. AST, ALT and alkaline phosphatase 2.5-fold or less the upper limit of normal (ULN) g. Total bilirubin 1.0-fold or less ULN h. Serum creatinine 2.5-fold or less ULN or Calculated creatinine clearance 30 milliliter/min and more (Cockcroft-Gault formula) i. PTT/PT 1.5-fold or less ULN or PT-INR 1.7-fold or less ULN 6. Women of childbearing potential must agree to remain abstinent or use contraceptive methods that result in a failure rate of less than 1% per year during the treatment period and for at least 5 months after the last dose of investigational agent. 7. Men has a partner as woman of childbearing potential must agree to use contraception as 6 above during the treatment period and for at least 33 weeks after the last dose of investigational agent.
1. Patients with cT4 of bladder cancer, UTUC or urethra cancer 2. Hydronephrosis. Patients with hydronephrosis derived from TURBT are eligible for this study. 3. Breastfeeding and pregnancy 4. Malignancies within 5 years prior to enrollment other than as follow: 1) Bladder cancer and UTUC as tumor stage of below pTa/pTis 2) Localized malignancy treated with expected curative intent 5. Active or history of autoimmune disease include suspected 6. Patients have a disease that needs treatment with systemic corticosteroids or other systemic immunosuppressive medications within 14 days prior to the first dose of investigational agent 7. Prior treatment with an anti-PD1, anti-PDL1, anti-PDL2 or anti-CTLA4 therapeutic antibodies (including other therapeutic antibodies or drug specifically targeting T cell costimulation or immune checkpoint pathways) 8. Previous pelvic radiation therapy 9. Prior chemotherapy, radiation therapy, biological drug (including BCG intravesical instillation) or treatment with investigational agent. Intravesical chemotherapy (single time) is eligible for this study. 10. History of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion proteins 11. Known hypersensitivity to biopharmaceuticals produced in Chinese hamster ovary cells or any component of the Atezolizumab formulation 12. Serum albumin <2.5 g/dL 13. Positive test for HIV 14. Patients with active hepatitis B virus or hepatitis C 15. Active tuberculosis
16. Active or history of interstitial lung disease or pulmonary fibrosis diagnosed by imaging and clinical finding 17. Sever infections within 4 weeks prior to the first dose of investigational agent 18. Signs or symptoms of infection within 2 weeks prior to the first dose of investigational agent 19. Receipt of therapeutic oral or IV antibiotics within 2 weeks prior to the first dose of investigational agent 20. Significant cardiovascular disease 21. Intractable infection, inflammation disease in irradiation region on study registration Or patients who have an inflammation disease needs systemic treatment 22. Uncontrolled diabetes mellitus 23. Major surgical procedure other than for diagnosis within 4 weeks prior the first dose of investigational agent or anticipation of need for a major surgical procedure during the course of the study 24. Prior allogeneic stem cell or solid organ transplant 25. Administration of a live, attenuated vaccine within 4 weeks before the first dose of investigational agent or anticipation that such a live ,attenuated vaccine will be required during the study 26. Treatment with systemic immunostimulatory agents within 6 weeks or five half-lives of the drug, whichever is shorter, prior to the first dose of investigational agent 27. Patients who are judged not eligible for this study by investigators
1. Drug Atezolizumab 1200 mg/body Administered intravenously every 3 weeks for up to 1 year 2. Radiotherapy cavity of lesser pelvis (41.4 Gy/23 Fr) Next, whole bladder (16.2 Gy/9 Fr) Atezolizumab and radiotherapy will be started at the same time
Outcome Name: Progression-Free Survival Metric/method of measurement: A period from the registration to any one of the PD event occurrence that is defined by the following: 1.Patient with T2 or greater bladder cancer after the point of time at 24 weeks 2. Patient with Recurrence by histological assessment in the urinary tract not including bladder after the registration 3. Patient with new lesion by imaging assessments based on RECIST guideline ver.1.1 (not including bladder) after the registration 4.Death from any cause after the registration Timepoint: At occurrence of PD event
1. Outcome Name: Histologically complete response rate on 24 weeks following the first dose of investigational agent Metric/method of measurement: pCR is met the following (1) and (2): (1) Patient without bladder cancer according to histological assessment by central pathologist (2) Patient without new lesion according to imaging assessments by investigator based on RECIST guideline ver.1.1 (not including bladder) Timepoint: At 24 weeks following the first dose of investigational agent 2.Outcome Name: Recurrence-Free-Survival Metric/method of measurement: A period from the registration to any one of the recurrence event occurrence that is defined by the following: (1) Patient with recurrence in urinary tract after the registration (2) Patient with new lesion according to imaging assessments by investigator based on RECIST guideline ver.1.1 (not including bladder) (3) Death from any cause after the registration Timepoint: At occurrence of recurrence event 3. Outcome Name: Overall-Survival Metric/method of measurement: Death from any cause after the registration Timepoint: At death 4.Outcome Name: Bladder-Preservation Rate
Metric/method of measurement: Bladder preservation is met all of the following:(1) Patient without having a radical cystectomy (2) Patient without recurrence of T2 or greater in bladder (3) Patient without urinary diversion (ileal conduit, ureterocutaneous fistula) Timepoint: At 2 and 3 years following the first dose of investigational agent 5. Outcome Name: Duration of CR Metric/method of measurement: A period from the date of confirmed pCR to a recurrence event occurrence that target is the patient who was confirmed pCR aton 24 weeks following the first dose of investigational product agent Timepoint: At occurrence of recurrence event