Imgatuzumab in Patients With Advanced Cutaneous Squamous Cell Carcinoma

Pega-One S.A.S.

Overview

This study will evaluate the anti-tumor activity, safety, tolerability, immunogenicity, pharmacokinetics, and pharmacodynamics of imgatuzumab, a monoclonal antibody against epidermal growth factor receptor (EGFR) with enhanced antibody-dependent cellular cytotoxicity (ADCC) in patients with advanced cutaneous squamous cell carcinoma (CSCC). Quality of life of patients treated with imgatuzumab will also be assessed.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Conditions

Cutaneous Squamous Cell Carcinoma

Interventions

ImgatuzumabDRUG

Imgatuzumab administered as an intravenous infusion on Day 1 and Day 8 of the first 21-day cycle, and on Day 1 of each subsequent 14-day cycle.

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Key Inclusion Criteria: * Histologically confirmed diagnosis of CSCC * CSCC of advanced stage * Males or females at least 18 years of age at the time of consent * Signed informed consent provided prior to any study procedures * Ability to and willing to understand informed consent and comply with protocol requirements and procedures * No more than two prior lines of systemic treatment for advanced disease * Patients must have at least one lesion that is considered as measurable according to the Study Response Criteria * Eastern Cooperative Oncology Group performance status 0 or 1 * Adequate function of bone marrow, liver, kidneys * Availability of tumor tissue sample (either an archival specimen or a fresh biopsy material) at Screening Key Exclusion Criteria: * Prior systemic treatment for advanced disease with any anti-EGFR agent * Active central nervous system metastasis * Systemic anti-cancer therapy within five half-lives or two weeks, whichever is shorter, prior to first dose of the study drug * Persistent toxicities from previous systemic anti-neoplastic treatments * Wide-field radiotherapy within four weeks, or focal radiation for analgesic purpose or for lytic lesions at risk of fracture within two weeks prior to first dose of the study drug, or no recovery from side effects of such intervention * Major surgery within four weeks prior to first dose of the study drug, or no recovery from side effects of such intervention * Active infection requiring therapy * Concomitant use of systemic steroids at dose of \>10 mg of prednisone or its equivalent per day * Known or suspected allergy/hypersensitivity to the study drug or any component of the study drug, other monoclonal antibodies, premedication medicines * Concurrent participation in another investigational therapeutic clinical trial * Pregnant or breast-feeding females * Mental or medical conditions that prevent the patient from giving informed consent or participating in the trial * Other severe acute or chronic medical or psychiatric conditions or laboratory abnormality that may increase the risk associated with the study participation or the study drug administration or may interfere with the interpretation of study results and, in the judgment of the Investigator, would make the patient inappropriate for enrollment in this study Note: Other protocol defined Inclusion/Exclusion criteria apply.

Outcomes

Primary Outcomes

Overall Response Rate (ORR) assessed by the Independent Central Review Committee (ICRC) according to the Study Response Criteria

Proportion of patients achieving Complete Response (CR) or Partial Response (PR) assessed by the ICRC according to the Study Response Criteria

Time frame: Up to 24 months

Secondary Outcomes

Disease Control Rate (DCR) assessed by the ICRC according to the Study Response Criteria

Proportion of patients achieving CR, PR or Stable Disease (SD) assessed by the ICRC according to the Study Response Criteria

Time frame: Up to 24 months

ORR assessed by the investigator according to the Study Response Criteria

Proportion of patients achieving CR or PR assessed by the investigator according to the Study Response Criteria

Time frame: Up to 24 months

DCR assessed by the investigator according to the Study Response Criteria

Proportion of patients achieving CR, PR or SD assessed by the investigator according to the Study Response Criteria

Time frame: Up to 24 months

Progression-free Survival (PFS) assessed by the ICRC

Time from date of start of treatment to date of the first progression documented by the ICRC

Time frame: Up to 24 months

Duration of Response (DoR) assessed by the ICRC

Time from date of first assessment of response (CR or PR) to date of the first progression documented by the ICRC

Time frame: Up to 24 months

Duration of Stable Disease (DoSD) assessed by the ICRC

Data from ClinicalTrials.gov

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Time from date of first assessment of SD to date of the first progression documented by the ICRC

Time frame: Up to 24 months

PFS assessed by the investigator

Time from date of start of treatment to date of the first progression documented by the investigator

Time frame: Up to 24 months

DoR assessed by the investigator

Time from date of first assessment of response (CR or PR) to date of the first progression documented by the investigator

Time frame: Up to 24 months

DoSD assessed by the investigator

Time from date of first assessment of SD to date of the first progression documented by the investigator

Time frame: Up to 24 months

ORR assessed by the ICRC according to the immune Response Evaluation Criteria in Solid Tumors (iRECIST)

Proportion of patients achieving CR or PR assessed by the ICRC according to the iRECIST

Time frame: Up to 24 months

ORR assessed by the investigator according to the iRECIST

Proportion of patients achieving CR or PR assessed by the investigator according to the iRECIST

Time frame: Up to 24 months

DCR assessed by the ICRC according to the iRECIST

Proportion of patients achieving CR, PR or SD assessed by the ICRC according to the iRECIST

Time frame: Up to 24 months

DCR assessed by the investigator according to the iRECIST

Proportion of patients achieving CR, PR or SD assessed by the investigator according to the iRECIST

Time frame: Up to 24 months

PFS assessed by the ICRC according to the iRECIST

Time from date of start of treatment to date of the first iRECIST progression documented by the ICRC

Time frame: Up to 24 months

PFS assessed by the investigator according to the iRECIST

Time from date of start of treatment to date of the first iRECIST progression documented by the investigator

Time frame: Up to 24 months

DoR assessed by the ICRC according to the iRECIST

Time from date of first assessment of response (CR or PR) to date of the first iRECIST progression documented by the ICRC

Time frame: Up to 24 months

DoR assessed by the investigator according to the iRECIST

Time from date of first assessment of response (CR or PR) to date of the first iRECIST progression documented by the investigator

Time frame: Up to 24 months

DoSD assessed by the ICRC according to the iRECIST

Time from date of first assessment of SD to date of the first iRECIST progression documented by the ICRC

Time frame: Up to 24 months

DoSD assessed by the investigator according to the iRECIST

Time from date of first assessment of SD to date of the first iRECIST progression documented by the investigator

Time frame: Up to 24 months

Incidence of Adverse Events

Safety and tolerability profile assessed by Common Terminology Criteria for Adverse Events v5.0

Time frame: Up to 24 months

Frequency of dose interruptions and reductions

Safety and tolerability profile assessed by frequency of dose interruptions and reductions

Time frame: Up to 24 months

Duration of dose interruptions and reductions

Safety and tolerability profile assessed by duration of dose interruptions and reductions

Time frame: Up to 24 months

Concentrations of imgatuzumab-reactive antibodies

Immunogenicity profile characterized by concentrations of imgatuzumab-reactive antibodies

Time frame: Up to 24 months

Maximum observed concentration (C[max])

Pharmacokinetic profile characterized by the maximum observed concentration (C\[max\]) of imgatuzumab

Time frame: Up to 24 months

Area under the curve (AUC)

Pharmacokinetic profile characterized by the area under the curve (AUC) of imgatuzumab

Time frame: Up to 24 months

Terminal half-life (t[1/2])

Pharmacokinetic profile characterized by the terminal half-life (t\[1/2\]) of imgatuzumab

Time frame: Up to 24 months

Time to maximum concentration (Tmax)

Pharmacokinetic profile characterized by the time to maximum concentration (Tmax) of imgatuzumab

Time frame: Up to 24 months

Change in scores of patient-reported outcomes

Quality of life assessed by change in scores of patient-reported outcomes in European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30). Scores are transformed linearly to a zero to 100 scale. A higher score on the functional scale and the global Health related Quality of Life indicates better functioning

Time frame: Up to 24 months