This is an open-label, cohort study to determine the feasibility and tolerability of the combination of TAK-228 and TAK-117 given on days 2-4, 9-11, 16-18, and 23-25 with paclitaxel on days 1, 8, and 15 for one 28-day cycle in patients with advanced solid tumors.
The goal of this study is to determine a tolerated dose of the combination of TAK-228, TAK-117 and paclitaxel. To do this, investigators will estimate the maximum tolerated dose that is defined as the dose level at which less than one-third of patients will experience a dose-limiting toxicity. A traditional dose escalation design will be used, beginning with the lowest dose level and escalating to the maximum allowable dose level as specified in the protocol. Three patients will be treated one at a time at a given dose level. A maximum of 5 dosing levels results in a maximum sample size of n=30 subjects. Adverse events will be defined using the Common Toxicity Criteria v. 4.0. dose-limiting toxicity is defined as:
Patients experiencing any grade 3 or more hematologic toxicity attributed to the treatment will hold all therapy until resolution of the toxicity to grade 2 or less. If toxicity persists, the patients will be removed from the study. Upon resolution of the toxicity, the patient will restart treatment at the original dose at the discretion of the investigators.
One of the following outcomes will determine the treatment of subsequent patients:
If the lowest allowable dose level exceeds the maximum tolerated dose, the study will be terminated and the combination will not be deemed safe for use in this population. Additionally, the highest dose level will not be exceeded, even if no dose-limiting toxicities are experienced at that dose.
The adverse events overall and by individual adverse events categories will be summarized. Serious adverse events will be summarized in a similar manner. These summaries will be performed overall and for each dose cohort. Investigators will summarize all events as well as the highest grade for a given subject. Investigators will summarize the number of subjects that exhibit a dose-limiting toxicity at each dose cohort and describe the dose-limiting toxicity for each subject, if applicable.
In Amendment 3 (WIRB approved Feb. 2020), only cohort 4 will be used and no DLT criteria will be utilized. After enrolling 3 patients in cohort 5, there was a noticeable increase in toxicity that suggests we have exceeded the recommended phase 2 dose (R2PD). No MTD was established, but the dramatic reduction in tolerability makes this dose and schedule unsuitable for long-term use. Thus, it was determined to proceed with a dose expansion of cohort 4 to further evaluate if this dose and schedule would be the eventual RP2D.
|Treatment||Paclitaxel, TAK-228, TAK-117|
|Clinical Study Identifier||NCT03154294|
|Sponsor||Avera McKennan Hospital & University Health Center|
|Last Modified on||21 June 2020|
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