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Imatinib and Pembrolizumab combination therapy for advanced KIT-mutant melanoma: a phase I/II trial (IMPAKT trial)

Phase 1
Recruiting
Conditions
Advanced KIT-mutant melanoma
Other disease of skin or skin tissue
Registration Number
JPRN-jRCTs031190202
Lead Sponsor
Funakoshi Takeru
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
22
Inclusion Criteria

1) Age 20 years or older on day of signing consent.
2) Has histologically or cytologically confirmed as malignant melanoma.
3) Has unresectable or metastatic KIT-mutant melanoma
4) Patients which is not controlled by standard therapy (immune checkpoint inhibitor, molecular target drug etc.)
5) Has been untreated for advanced or metastatic disease by imatinib.
6) Has resolution of toxic effects of the most recent prior therapy.
7) Has the presence of at least one measurable lesion by image per RECIST 1.1.
8) Has an Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1.
9) Life expectancy of greater than 90 days
10) Has no-central nerve system (CNS) metastasis or asymptomatic CNS metastasis.
11) Agreed to use an adequate method of contraception within the project duration of the study, starting with the visit through 120 days after the last dose of the study treatment.
12) Has laboratory parameters within Protocol-defined range. The screening laboratory tests below must be < 14 days before treatment initiation.
-White blood cell count >= 2,000/mm3 , absolute neutrophil count >= 1,500/mm3
-Platelets >= 100,000/mm3
-Hemoglobin >= 9.0g/dl
-Aspartate aminotransferase (AST), alanine aminotransferase (ALT) <= 150 IU/L
-Bilirubin <= 2.0mg/dl
-Serum creatinine <= 1.5mg/dl
13) Provide written informed consent for the study.

Exclusion Criteria

1) Seropositivity to HBsAg or HCVAb.
2) Has known history of HIV.
3) Has active infection, clinically significant cardiac disease, including unstable angina and arrhythmia, interstitial pneumonia, psychiatric disorder.
4) Has grade 3 or worse superior vena cava syndrome, pericardial effusion, pleural effusion, ascites.
5) Has uncontrolled disease that might confound the results of the study, or is not best interest of the subject to participate, in the opinion of the treating investigator.
6) Has double cancer (completely resected basal cell carcinoma, carcinoma in situ, or superficial bladder cancer, or patients with other cancers that do not show recurrence for more than 3 years before obtaining consent)

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Response rate after administration of four dosing cycle
Secondary Outcome Measures
NameTimeMethod
Progression-free survival, overall survival, best overall response, adverse event type/ frequency/ severity (CTCAE 5.0).
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