41 out of 55 patients had a response to treatment
A response* means that the cancer reduced in size and/or completely disappeared. Responses were analyzed across 3 clinical trials in 55 adults and children with TRK fusion cancer.
How long patients responded to treatment at time of analysis
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In patients who had their tumors disappear or shrink, responses lasted for a median‡ of 32.9 months, with a range of 1.6+ months and 50+ months§
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63% of patients had a response that lasted more than 12 months
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49% of patients had a response that lasted more than 24 months
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The median‡ time it took patients to respond to treatment was less than 2 months‖
*A response is a sum of partial response and complete response. Partial response is defined as a reduction in size of target tumors by 30% or more and complete response is defined as complete disappearance of all target tumors.
†5% were patients who had a partial response and were able to have surgery to be disease free when the study data was analyzed.
‡The median is the middle number in a group of numbers.
§The duration of response is how long the response to treatment lasted.
‖Range: 0.95 month to 14.55 months.