A mono centre study to evaluate the efficacy of SOM230 in patients with progressive metastatic or postoperative persistent medullary thyroid cancer.
Medullary thyroid cancer (MTC) is a neuroendocrine tumor originating from thyroid C cells. Neuroendocrine tumors have been demonstrated to express somatostatin receptors as well as mTOR pathway. The somatostatin analogues now available (octreotide and lanreotide) act preferentially through the somatostatin receptor subtype 2 (sst2). In MTC, these compounds have been reported to exert anti-secretive effects on calcitonin but no anti-proliferative effects.SOM230 (pasireotide) is a new somatostatin analogue showing a peculiar binding profile with high affinity for sst1, sst2, sst3, sst5. Preliminary data show SOM230 to be effective in a phase II study on patients with metastatic carcinoid. RAD001 (everolimus) is a novel agent that interacts with mTOR. It was demonstrated to inhibit tumor growth in neuroendocrine tumor cell lines. Some clinical trials have explored the efficacy of a combined therapy with RAD001 plus octreotide in patients with digestive neuroendocrine tumors, highlighting encouraging results in term of tumor control.In particular, octreotide and RAD001 seem to show a synergistic activity in inhibiting neuroendocrine tumor proliferation.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
19
SOM230 (pasireotide) 60 mg i.m. injection once every 28 days, +/- 2 days. RAD001 (everolimus) 10 mg per os daily.
Department of Molecular and Clinical Endocrinology and Oncology, "Federico II" University of Naples
Naples, Italy, Italy
Efficacy of SOM230 in patients with progressive metastatic or postoperative persistent medullary thyroid cancer
Efficacy is defined as progression-free survival (PFS), according to RECIST criteria, in patients treated with SOM230.
Time frame: From date of start therapy until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 6 months.
Efficacy of SOM230 in combination with RAD001 in patients with progressive metastatic or postoperative persistent medullary thyroid cancer.
Efficacy is defined as progression-free survival (PFS), according to RECIST criteria, in patients treated with SOM230 in combination with RAD001.
Time frame: From date of start therapy until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 6 months.
Biochemical response
Biochemical response is defined as the change of calcitonin and carcinoembryonic antigen (CEA) serum concentrations recorded from date of study entry until disease progression compared to baseline. Time-to-biochemical-response is defined as the time from start of the study treatment to first documentation of biochemical response of calcitonin and CEA concentrations, respectively. Duration of biochemical response is defined as the time from the first documentation of biochemical response to the first documentation of biochemical progression or to death due to any cause, whichever occurs first.
Time frame: From date of start therapy, 1 month, 2 month, 3 month, 6 month time point evaluation, up to 6 months.
Objective tumor response
Objective tumor response (OR) are the overall responses recorded from date of study entry until end of study/study exclusion, according to RECIST definitions, confirmed by repeat measurements. OR includes complete remission (CR), partial (PR), stable disease (SD) and progressive disease (PD) of all measurable tumor lesions of all evaluable patients.
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Time frame: From date of start therapy, 3 month, 6 month time point evaluation, up to 6 months.
Overall survival
Time frame: From date of start therapy to the end of the study or death from any cause, whichever came first, up to 6 months.
Time to response
Time to response is defined as the time from start of treatment to the first objective tumor response (PR or CR) observed. Patients who did not achieve a confirmed PR or CR will be censored at last adequate tumor assessment date when they did not progress (including deaths not due to underlying disease)
Time frame: From date of start therapy, 3 month, 6 month time point evaluation, up to 6 months.
Duration of response
Duration of response is defined as the time from onset of response (CR/PR) to objective tumor progression or death from any cause. Patients not experiencing progression or death will be censored with the date of their last adequate tumor assessment.
Time frame: From time of response to time of tumor progression or death from any cause, whichever came first.
Safety
Safety will be evaluated using assessment of adverse events and laboratory data. The assessment of safety will be based on the frequency of adverse events and on the number of laboratory values that are new or worsening based on the common toxicity criteria (CTC) grade. Other safety data (e.g. vital signs) will be considered appropriately.
Time frame: From date of start therapy until the end of the study, every 30 days, up to 6 months.