Phase I-II, single-arm, non-randomized, open-label, multicenter, international clinical trial, with eight cohorts (DDCS, EMC, VS, SFT, CCS, ASPS, UPS, LMS and OS). Nine sites in Spain, 3 sites in Italy and 1 site in the United Kingdom.
C1 to 6
Objective: To evaluate the efficacy of the sunitinib plus nivolumab combination as measured by PFSR at 6 months (CS/DDCS, EMC, VS, SFT, CCS cohorts) and at 12 months (ASPS cohort).
Treatment: Adult patients will receive an initial induction phase (IP) from day 1 to day 14 of sunitinib 37.5 mg/day followed by a maintenance phase (MP) of sunitinib 25mg/day continuously + nivolumab 240mg every 2 weeks. Pediatric patients will receive an initial IP from day 1 to day 14 of (<18 years) sunitinib at 25 mg/day unless the body surface area (BSA) of the patient is >1.7. If BSA is >1.7, then sunitinib 37.5 mg/day will be given followed by a MP of sunitinib 25 mg/day continuously + nivolumab 240 mg every 2 weeks regimen (if weight 40 kg) or sunitinib 25 mg/day continuously + nivolumab 3 mg/kg every 2 weeks regimen (if weight <40kg). Treatment will continue until disease progression, development of unacceptable toxicity, non-compliance, withdrawal of consent by the patient or investigator decision.
C 7
Objective: To determine the MTD of the epirubicin + ifosfamide + nivolumab combination in undifferentiated pleomorphic sarcoma and of the doxorubicin + dacarbazine + nivolumab combination in leiomyosarcoma.
Cohort 7a dose level 0: Patients will receive epirubicin dose of 60 mg/m2/d, d1 and d2 IV 20 minutes; followed by ifosfamide 3 g/m2/d d1-3, IV 3h with MESNA protection (40% of total dose of ifosfamide in each administration at 0, 3 and 6 h from ifosfamide initiation). Once finished Ifosfamide infusion of day 3, nivolumab is administered during 30 minutes, at dose of 360 mg IV, Q3W. GCSF support is mandatory. One-year maintenance of nivolumab is foreseen in the absence of progressive disease. If three or more DLTs occur nivolumab dose will be lowered to dose level -1 where patients will receive epirubicin dose of 60 mg/m2/d, d1 and d2 IV 20 minutes; followed by ifosfamide 3 g/m2/d d1-3, IV 3h with MESNA protection (40% of total dose of ifosfamide in each administration at 0, 3 and 6 h from ifosfamide initiation). Once finished Ifosfamide infusion of day 3, nivolumab is administered during 30 minutes, at dose of 240 mg IV, Q3W. GCSF support is mandatory. One-year maintenance of nivolumab is foreseen in the absence of progressive disease.
Cohort 7b dose level 0: Patients will receive doxorubicin at dose of 75 mg/m2/d, d1 IV 20 minutes; followed by dacarbazine 400 mg//m2/d IV 60 minutes. Dacarbazine is administered also on day 2 of cycle. Once finished Dacarbazine infusion of day 2, nivolumab is administered for 30 minutes, at dose of 360 mg IV, Q3W. GCSF support is mandatory. One-year maintenance of nivolumab is foreseen in the absence of progressive disease. If three or more DLTs occur nivolumab dose will be lowered to dose level -1 where patients will receive doxorubicin at dose of 75 mg/m2/d, d1 IV 20 minutes; followed by dacarbazine 400 mg//m2/d IV 60 minutes. Dacarbazine is administered also on day 2 of cycle. Once finished dacarbazine infusion of day 2, nivolumab is administered for 30 minutes, at dose of 240 mg IV, Q3W. GCSF support is mandatory. One-year maintenance of nivolumab is foreseen in the absence of progressive disease.
C 8
Objectives:To determine the MTD of the MAP + nivolumab combination (phase I). Proportion of patients achieving good pathological response (phase II)
Treatment dose level 0: In the IP, patients will receive CDDP 120 mg/m2 in 48h IV infusion (days 1-2) followed by doxorubicin 75 mg/m2 in 48h IV infusion (days 3-4). CDDP and doxorubicin will be given on days 1-4 and 36-39. Nivolumab administration will start on day 4 at flat dose 240 mg (after the end of doxorubicin), being the following doses administered on days 18, 39, and 53 (240 mg). HD methotrexate at 12 g/m2 in 2-h infusion will be administered on days 22, 29, 57, and 64. Surgery will be performed after finishing IP. Adjuvant chemotherapy will be administered after surgery. During the MP patients will receive nivolumab on day 210, every two weeks up to day 364. If three or more DLTs occur, then nivolumab dose level -1 will be activated where patients will receive MAP during the IP (same as described for level 0), but the dose of nivolumab will be 360 mg on days 4 and 36. Surgery will be performed after finishing IP. Adjuvant chemotherapy will be administered after surgery. During the MP patients will receive nivolumab on day 210, every three weeks up to day 364.
Cohorts 1-6:
COHORT 1 - Dedifferentiated Chondrosarcoma (DDCS): For DDCS sample size is obtained for the primary endpoint of 6-month progression-free survival rate, estimated accrual 24 months. A 6-m PFSR of 40% will be considered not promising whereas of 70% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 23 patients were estimated in this cohort. With one arm survival design based on survival probability a Brookmeyer-Crowley like test is assumed (Brookmeyer, 1982) [65]. If at least 14 cases over the 23 patients have a 6-m PFSR, then further investigation of the experimental treatment is warranted.
COHORT 2 - Extraskeletal Myxoid Chondrosarcoma (EMC): For EMC sample size is obtained for the primary endpoint of 6-month progression-free survival rate, and estimated accrual 24 months. A 6-m PFSR of 50% will be considered not promising whereas of 80% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 22 patients were estimated in this cohort. With Simon's two-stage Minimax design, at least 13 cases over the 20 first patients (stage 1) should have a 6-m PFSR. Then additional 2 patients would be accrued up to 22 patients. If at least 15 patients had a 6-m PFSR, further investigation of the drug is warranted.
COHORT 3 - Vascular sarcomas (VS) (including angiosarcoma, hemangioendothelioma and intimal sarcomas): For VS sample size is obtained for the primary endpoint of 6-month progression-free survival rate, and estimated accrual 24 months. A 6-m PFSR of 30% will be considered not promising whereas of 60% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 23 patients were estimated in this cohort. With Simon's two-stage Minimax design, at least 8 cases over the 18 first patients (stage 1) should have a 6-m PFSR. Then additional 5 patients would be accrued up to 23 patients. If at least 11 patients had a 6-m PFSR, further investigation of the drug is warranted.
COHORT 4 - Solitary Fibrous Tumor (SFT): For SFT cohort sample size is obtained for the primary endpoint of 6-month progression-free survival rate by Choi criteria, and estimated accrual of 24 months. A 6-m PFSR of 35% will be considered not promising whereas of 65% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 24 patients were estimated in this cohort. With Simon's two-stage Minimax design, at least 6 cases over the 14 first patients (stage 1) should have a 6-m PFSR. Then additional 10 patients would be accrued up to 24 patients. If at least 13 patients had a 6-m PFSR, further investigation of the drug is warranted.
COHORT 5 - Alveolar Soft Part Sarcoma (ASPS): For ASPS cohort sample size is obtained for the primary endpoint of 12-month progression-free survival rate by RECIST criteria, and estimated accrual 24 months. A 12-m PFSR of 40% will be considered not promising whereas of 75% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 18 patients were estimated in this cohort. With Simon's two stage Minimax design, at least 7 cases over the 12 first patients (stage 1) should have a 12-m PFSR. Then additional 6 patients would be accrued up to 18 patients. If at least 11 patients had a 12-m PFSR, further investigation of the drug is warranted.
COHORT 6 - Clear Cell Sarcoma (CCS): For CCS cohort sample size is obtained for the primary endpoint of 6-month progression-free survival rate by RECIST criteria, and estimated accrual 24 months. A 6-m PFSR of 25% will be considered not promising whereas of 55% will be considered promising in this population. With a type I error of 0.05 and a power of 0.90, 23 patients were estimated in this cohort. With Simon's two-stage Minimax design, at least 4 cases over the 13 first patients (stage 1) should have a 6-m PFSR. Then additional 10 patients would be accrued up to 23 patients. If at least 10 patients had a 6-m PFSR, further investigation of the drug is warranted. An additional 5-7% of patients may be recruited to compensate for potential unevaluable participants.For the variables that follow binomial distributions, like the PFS rate and for the categorical variables, frequencies and percentages will be calculated as well as their confidence interval. If needed, to compare categorical variables both Chi-square test and Fisher's exact test will be performed. Besides, Kaplan-Meier estimations will be used for PFS. Where possible, exploratory analysis will include Cox models to estimate the impact of several factors on PFS.
Cohort 7: This cohort includes a phase 1b study (3+3 design plus expansion cohorts) and therefore no formal sample size has been calculated. Each subcohort (7a: UPS and 7b: LMS) will include between 10 and 20 patients respectively (including the expansions).
Cohort 8: A phase I/II is planned for this cohort. For the phase I part, the safety of the MAP + nivolumab combination will be assessed using a 3+3 design including 6 patients treated at the recommended phase II dose (RP2D). This phase I could include up to 12 patients approximately. Regarding the phase II part, for osteosarcoma with metastasis at presentation and resectable primary tumor, in patients with less than 40 years, sample size is obtained for the primary endpoint of histological response after 2 MAPs of induction. A proportion of 45% of good histological response (90% necrosis) will be considered not promising, whereas 68% will be considered promising in this population. With a type I error of 0.05 and a power of 0.80, 31 patients were estimated in this cohort. With Simon's two-stage Minimax design, at least 7 cases over the 13 first patients (initial part) should have good histological response. Then, additional 18 eligible patients will be accrued up to 31 patients. If at least 19 patients had good histological response, further investigation of the drug is warranted.
Condition | Soft Tissue Sarcoma, Bone Sarcoma |
---|---|
Treatment | methotrexate, cisplatin, ifosfamide, Epirubicin, doxorubicin, dacarbazine, Sunitinib 37.5 MG [Sutent], Nivolumab 10 MG/ML [Opdivo], Sunitinib 37.5 MG, Sunitinib 25 MG [Sutent], Nivolumab 100 MG/10 ML [Opdivo] |
Clinical Study Identifier | NCT03277924 |
Sponsor | Grupo Espanol de Investigacion en Sarcomas |
Last Modified on | 25 February 2022 |
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