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Phase 1 Study of CK-301 as a Single Agent in Subjects With Advanced Cancers

Brief Summary

CK-301 is a fully human monoclonal antibody of IgG1 subtype that directly binds to Programmed Death-Ligand 1 (PD-L1) and blocks its interactions with the Programmed Death-1 (PD-1) and B7.1 receptors. The primary objective of this study is to assess the safety, tolerability and preliminary efficacy of CK-301 when administered intravenously as a single agent to subjects with selected recurrent or metastatic cancers.

Tracking Information
First Received DateJuly 6, 2017
Last Changed DateSeptember 20, 2017
Start DateSeptember 20, 2017
Anticipated Primary Completion DateMarch 2018
Primary Outcome Measures

Dose Limiting Toxicity [Time Frame: Up to 4 weeks]

Number of subjects with Treatment-Emergent Adverse Events according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 4.03 (or most current version) [Time Frame: Screening through 4 weeks after study completion, an average of 6 months]

Secondary Outcome Measures

Confirmed Best Overall Response (BOR) as per Response Evaluation Criteria in Solid Tumors (RECIST Version 1.1) [Time Frame: Every 8 weeks for first 32 weeks, then 12 weeks through study completion, an average of 6 months]

Confirmed Objective Response Rate (ORR) as per Response Evaluation Criteria in Solid Tumors (RECIST Version 1.1) [Time Frame: Every 8 weeks for first 32 weeks, then 12 weeks through study completion, an average of 6 months]

Duration of Response (DoR) as per Response Evaluation Criteria in Solid Tumors (RECIST Version 1.1) [Time Frame: Every 8 weeks for first 32 weeks, then 12 weeks through study completion, an average of 6 months]

Pharmacokinetic parameter: AUC (0-t) of CK-301 [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Pharmacokinetic parameter: AUC (0-infinity) of CK-301 [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Pharmacokinetic parameter: Cmax of CK-301 [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Pharmacokinetic parameter: Tmax of CK-301 [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Pharmacokinetic parameter: T(1/2) of CK-301 [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Number of subjects with anti-CK-301 antibodies [Time Frame: Baseline up to 12 weeks after study completion, an average of 6 months]

Descriptive Information
PhasePhase 1
Study TypeInterventional
Condition
  • Lung Neoplasms
  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Small Cell
  • Malignant Mesothelioma, Advanced
  • Head and Neck Cancer
  • Melanoma
  • Merkel Cell Carcinoma
  • Renal Cell Carcinoma
  • Urothelial Carcinoma
  • Classical Hodgkin Lymphoma
Intervention
  • Drug: CK-301
Study Arms / Comparison Groups1 / 0
Detailed Description

This is a first-in-human, Phase 1, open-label, multicenter, dose-escalation study of CK-301, a fully human monoclonal IgG1 antibody targeting PD-L1. The study will consist of 3 periods: Screening (up to 28 days), Treatment (28-day cycles), and Follow-up (up to 6 months). Following the dose escalation portion of the study, additional evaluable subjects may be included in order to further characterize safety and efficacy at selected doses and/or in specific patient sub-groups.

Recruitment Information
Recruitment StatusRecruiting
Anticipated Enrollment80
GenderAll
Ages18 Years - N/A
Accepts Healthy VolunteersNo
Contact James Oliviero
Email: info@checkpointtx.com
Phone: 001-212-574-2830
Eligibility Criteria

Inclusion Criteria:

- Signed written informed consent.

- Male or female subjects aged greater than or equal to 18 years.

- For NSCLC: Histologically or cytologically confirmed diagnosis of unresectable recurrent or metastatic non-small cell lung cancer.

- For SCLC: Histologically or cytologically confirmed diagnosis of unresectable small cell lung cancer.

- For MPM: Histologically or cytologically confirmed diagnosis of unresectable malignant pleural or peritoneal mesothelioma.

- For HNSCC: Histologically or cytologically confirmed diagnosis of recurrent or metastatic HNSCC (oral cavity, pharynx, larynx), stage III/IV and not amenable to local therapy with curative intent (surgery or radiation therapy with or without chemotherapy).

- For MEL: Histologically confirmed diagnosis of unresectable Stage III or metastatic melanoma not amenable to local therapy (excluding uveal or ocular melanoma).

- For MCC: Histologically confirmed diagnosis of metastatic Merkel cell carcinoma not amenable to local therapy.

- For RCC: Histologically confirmed diagnosis of renal cell carcinoma (with clear cell component) with advanced or metastatic disease that is not amenable to cure by surgery or other means.

- For UC: Histologically or cytologically documented locally advanced or metastatic transitional cell carcinoma of the urothelium (including renal pelvis, ureters, urinary bladder, urethra) not amenable to cure by surgery or other means.

- For HL: Histologically confirmed primary diagnosis of classical Hodgkin's lymphoma.

- Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 at trial entry and an estimated life expectancy of at least 3 months

- Must have at least one measurable lesion based on RECIST 1.1.

- Have provided a formalin fixed tumor tissue sample from a biopsy of a tumor lesion either at the time of or after the diagnosis of metastatic disease has been made AND from a site not previously irradiated.

- Adequate hematological, hepatic and renal function as defined in the protocol.

- Effective contraception for both male and female subjects if the risk of conception exists.

- Other protocol defined inclusion criteria could apply.

Exclusion Criteria:

- Prior therapy with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell co-stimulation or immune checkpoint pathways.

- Concurrent treatment with a non-permitted drug.

- History of severe hypersensitivity reactions to other monoclonal antibodies.

- Prior malignancy active within the previous 2 years except for locally curable cancers that have been apparently cured, such as basal or squamous cell skin cancer, superficial bladder cancer or carcinoma in situ of the cervix or breast, or localized prostate cancer.

- Chemotherapy, radioactive, biological cancer therapy, or tyrosine kinase inhibitor (TKI) therapy, within four weeks prior to the first dose of study drug, or who has not recovered to NCI CTCAE Grade 1 or better from the AEs due to cancer therapeutics administered more than four weeks earlier.

- Significant acute or chronic infections as defined in the protocol.

- Active or history of interstitial lung disease (ILD), or has had a history of pneumonitis that has required oral or IV steroids.

- Active or suspected autoimmune disease or a documented history of autoimmune disease.

- Known current drug or alcohol abuse.

- Underlying medical conditions that will make the administration of study drug hazardous or obscure the interpretation of toxicity determination or adverse events.

- Use of other investigational therapy within 28 days before study drug administration.

- Pregnant or breastfeeding.

- Uncontrolled or significant cardiovascular disease.

- Psychiatric illness or social situation that would preclude study compliance.

- Receipt of live, attenuated vaccine within 28 days prior to the first dose of study drug.

Administrative Information
NCTIDNCT03212404
Responsible Party,
SponsorCheckpoint Therapeutics, Inc.
Verification DateSeptember 2017
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