There is one clinical trial.
This phase II trial studies how well ponatinib hydrochloride works in treating patients with cancer that has spread to other parts of the body (metastatic), has failed previous treatment (refractory), and has one of several alterations, or mutations, in its deoxyribonucleic acid (DNA) sequence. Ponatinib hydrochloride may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. It is not yet known whether a patient's genetic alterations may affect how well ponatinib hydrochloride works.
- Patients with known ponatinib-resistant gene alterations - PDGFRA D842V mutation - cKIT D816V mutation - FLT3 D835V/Y/H/F or Y842C mutations - FGFR3 K652E mutation - Major surgery (e.g. --- D842V --- --- D816V --- --- D835V --- --- Y842C --- --- K652E ---
Description: The proportion of responses for the purposes of the decision rule will be calculated out of all eligible patients who receive any treatment. Assuming the number of responses is binomially distributed, 95% binomial confidence intervals will also be calculated for the estimate of the proportion of responses.Measure: Overall response, defined as the number of patients who achieve any response according to disease type in the first 6 courses of treatment Time: Up to 6 months
Description: Frequency and severity of adverse events will be collected and summarized by descriptive statistics. The maximum grade for each type of toxicity will be recorded for each patient, and frequency tables will be reviewed to determine toxicity patterns for each of the cohorts as well as across cohorts. In addition, all adverse event data that is graded as 3, 4, or 5 will be reviewed and classified as either "unrelated" or "unlikely to be related" to study treatment in the event of an actual relationship developing.Measure: Incidence of toxicity, defined as adverse events that are classified as either possibly, probably, or definitely related to study treatment per National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0 Time: Up to 30 days after last dose of study drug
Description: Collected and summarized by descriptive statistics. In addition, the proportion of patients who go off treatment due to adverse reactions or even those who refuse further treatment for lesser toxicities that inhibit their willingness to continue participation on the trial will be captured.Measure: Tolerability of the regimen, assessed by the number of patients who required dose modifications and/or dose delays Time: Up to 30 days after last dose of study drug
Description: Kaplan-Meier curves will be used to estimate the survival distribution.Measure: Overall survival Time: The time from treatment initiation to death, assessed up to 52 weeks
Description: Kaplan-Meier curves will be used to estimate the survival distribution.Measure: Progression free survival Time: The time from treatment initiation to progression or death, assessed up to 52 weeks
Description: Calculated by the number of patients who have achieve a response and/or are progression-free and alive at 6 months divided by the total number of evaluable patients. Exact binomial 95% confidence intervals for CBR will be calculated.Measure: Clinical benefit rate (CBR) Time: 6 months
Description: Correlative gene and protein markers will be summarized univariately in a quantitative manner and also summarized by clinical outcome group (e.g. response vs. no response). Graphical analyses will be largely used to assess potential patterns and relationships; e.g. side-by-side boxplots to assess differences in continuous marker levels between those with vs. without the clinical improvement (e.g. response vs. no response). Overall, hypothesis testing will largely be avoided given the sample size limitations.Measure: Correlative gene and protein markers Time: Up to 3 years (time of progression)