About this trial
This open-label, single-arm clinical trial is to evaluate the safety and effectiveness of KC1036 in treating adolescents aged 12 and above with advanced Ewing sarcoma. Participants will take KC1036 once daily, with each treatment cycle lasting 4 weeks.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age between 12 and less than 18 years;
Diagnosed with Ewing sarcoma confirmed by histopathological examination;
Patients with locally advanced or metastatic Ewing sarcoma that is unresectable or has failed standard treatment, and for whom no other treatment options are available as assessed by the investigator;
Body weight of ≥30 kg;
Disqualifiers
Patients with primary central nervous system tumors;
Presence of central nervous system metastases as diagnosed by imaging;
History of or concurrent other malignancies within the past 5 years;
Gastrointestinal abnormalities;
Trial design
Single group
Treatments tested in this trial
KC1036
DrugFor patients weighing between 30 kg and less than 50 kg, administer 40 mg QD of KC1036. For patients weighing between 50 kg and less than 70 kg, administer 50 mg QD of KC1036. For patients weighing 70 kg or more, administer 60 mg QD of KC1036. 4 weeks as a cycle.
Treatment groups
Trial outcomes
Primary outcomes
Adverse events (AEs)
Incidence of treatment-related AEs
Secondary outcomes
Objective Response Rate (ORR)
Overall response rate (ORR) was defined as the percentage of participants with a best overall complete response (CR) or partial response (PR) per RECIST 1.1.
Progression-free survival (PFS)
Progression-free survival (PFS) was defined as the time from the start date of study drug to the date of the first radiologically documented progressive disease (PD) per RECIST 1.1 or death due to any cause.
Disease Control Rate (DCR)
Disease Control Rate (DCR) was defined as the percentage of participants with a best overall complete response (CR), partial response (PR), or stable disease (SD) per RECIST 1.1.
Duration of Response (DOR)
Duration of response (DOR) was defined as the time from first documented response (partial response (PR) or complete response (CR)) to the date of first documented disease progression (PD) or death due to any cause, among patients with a confirmed PR or CR per RECIST 1.1.
Sponsors and contacts
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