Monash Health | Neurology Department
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CLN-619-001 is a Phase 1, open-label, multi-center study of CLN-619 alone and in combination with pembrolizumab in patients with advanced solid tumors.
Enrollment
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Volunteers
Inclusion criteria
Males or females aged ≥ 18 years.
Willing and able to give written informed consent and adhere to protocol requirements; written informed consent and any locally required authorization must be obtained from the patient prior to performing any protocol-related procedures, including screening evaluations.
Module A Monotherapy Dose Escalation Cohort and Module B Combination Therapy Dose Escalation Cohorts: Histologically or cytologically-confirmed metastatic or locally advanced, unresectable solid tumors. For Module B, tumor type is listed as an approved indication per the current prescribing information for pembrolizumab.
Module A Cohort Expansions:
Module B Cohort Expansions:
Prior treatment history as follows:
a) Patients should have received any other approved standard therapy that is available to the patient, unless this therapy is contraindicated, intolerable to the patient, or is declined by the patient. In the case of a patient declining such therapy, documentation that the patient has been informed and declined should be documented in the medical record.
Baseline measurable disease based on RECIST v1.1 for Module A escalation, Module B escalation; and, both Module A and Module B expansion cohorts. Patients are required to have one or more measurable lesions that meet RECIST v1.1 and meet the following conditions:
Performance status of 0 or 1 based on the Eastern Cooperative Oncology Group (ECOG) performance scale.
Estimated life expectancy of 12 weeks or greater.
Prior palliative radiotherapy must have been completed 14 days prior to dosing on C1D1.
Toxicities related to prior study therapy should have resolved to Grade 1 or less according to criteria of NCI CTCAE v5.0, except for alopecia. Peripheral neuropathy should be clinically stable or improving and be Grade 2 or less in severity. Patients with chronic but stable Grade 2 toxicities may be allowed to enroll after agreement between the Investigator and Sponsor.
Have adequate liver and kidney function and hematological parameters within a normal range as defined by:
Patients in the Module A and Module B dose escalation cohorts must have archival tissue for biomarker analysis. A fresh biopsy is required if archival tissue is unavailable.
Exclusion criteria
Currently participating/previously participated in an interventional study and received an investigational drug within 28 days (or five half-lives, whichever is longer) of dosing on C1D1.
Patients with concomitant second malignancies (except adequately treated non-melanomatous skin cancers, ductal carcinoma in situ, superficial bladder cancer, prostate cancer or in situ cervical cancer) are excluded unless in complete remission three years prior to study entry, and no additional therapy is required or anticipated to be required during study participation.
Patients with any active autoimmune disease or a history of known or suspected autoimmune disease, or history of a syndrome that requires systemic corticosteroids or immunosuppressive medications, except for patients with vitiligo, resolved childhood asthma/atopy or autoimmune thyroid disorders on stable thyroid hormone supplementation.
A serious uncontrolled medical disorder that would impair the ability of the patient to receive protocol therapy or whose control may be jeopardized by the complications of this therapy. These criteria include, but are not limited to the following:
Treatment with systemic antiviral, antibacterial or antifungal agents for acute infection within ≤ 7 days of dosing on C1D1.
Has a history of, or a positive test for, HIV1/2 primary immunodeficiency disease such as Human Immunodeficiency Virus (HIV).
Diagnosed with hepatitis B (with positive testing for either hepatitis B surface antigen [HBsAg] or hepatitis B core Ab) or hepatitis C (HCV) infection (with positive testing for HCV antibody and/or HCV ribonucleic acid [RNA] in serum) under any of the following conditions:
Prior organ allograft or allogeneic hematopoietic transplantation.
History of the following events in conjunction with prior treatment with checkpoint inhibitor immunotherapy: Grade 3 or greater neurotoxicity, ocular toxicity, pneumonitis, myocarditis, or colitis; liver dysfunction meeting the laboratory criteria for Hy's Law.
Active central nervous system metastases and/or carcinomatous meningitis. Patients with brain metastases identified at Screening may be rescreened after they have been appropriately treated. Patients with treated brain metastases should be neurologically stable for 28 days post completion of treatment and prior to enrollment, and on a stable regimen of steroid dosing (prednisone <10 mg or the equivalent) for 14 days prior to dosing on C1D1.
Treatment with non-oncology vaccines for the control of infectious diseases (i.e. HPV vaccine) within 28 days of C1D1. The inactivated seasonal influenza vaccine can be given to patients before initiation of treatment, and while on study therapy without restriction. Influenza vaccines containing live virus, or other clinically indicated vaccinations for infectious diseases (i.e. pneumovax, varicella) may be permitted, but must be discussed in advance with the Sponsor Medical Monitor and may require a study drug washout period before and/or after administration of the vaccine. Covid-19 vaccines may be administered according to institutional policy.
Active SARS-CoV-2 infection including history of positive SARS-CoV-2 testing without subsequent documentation of negative test results, patients with results that are pending but not yet known, or patients with suspected active infection based on clinical features.
SARS-CoV-2 vaccination is permitted on treatment.
Has received immunosuppressive medications including but not limited to cellcept, methotrexate, infliximab, anakinra, tocilizumab, cyclosporine or corticosteroids (≥10 mg/day of prednisone or equivalent), within 28 days of dosing on C1D1.
Female of child-bearing potential (FOCBP) who is pregnant or breast-feeding, plans to become pregnant within 120 days of last study drug administration, or declines to use an acceptable method to prevent pregnancy during study treatment and for 120 days after the last dose of study drug administration.
a) A female of childbearing potential is defined as: i) Not surgically sterile, i.e. bilateral tubal ligation, bilateral oophorectomy, or complete hysterectomy, or; ii) Not post-menopausal, defined as amenorrhea for ≥ two years without an alternative medical cause.
Note: Females with amenorrhea for < two years and who are not surgically sterile i.e. tubal ligation, bilateral oophorectomy, or complete hysterectomy will only be considered not to be of reproductive potential if they have a documented follicle stimulating hormone (FSH) value in the postmenopausal range.
Male patient who plans to father a child or donate sperm within 120 days or 5 half-lives of CLN-619, whichever comes later, of last study drug administration, or who has a partner who is a FOCBP, and declines to use acceptable method to prevent pregnancy during study treatment and for 120 days or 5 half-lives of CLN-619, whichever comes later, after the last dose of study drug administration.
QT interval corrected for heart rate using Fridericia's formula (QTcF) of ≥ 500 milliseconds.
Patient has history of drug-related anaphylactic reactions to any components of CLN-619 (Module A and Module B patients) or pembrolizumab (Module B patients only). History of Grade 4 anaphylactic reaction to any monoclonal antibody therapy.
Known active alcohol or drug abuse.
Inability to comply with the protocol and/or not willing or not available for follow-up assessments.
Patients who are incapacitated or involuntarily incarcerated.
Patients who are unsuitable for participation based on the judgement of the Investigator.
Treatment with any of the following:
Refractory disease will be defined as progressive disease at 16 weeks after receiving at least three doses of PD-1 therapy (Expansion B2 and Expansion B3 only).
Primary purpose
Allocation
Interventional model
Masking
410 participants in 4 patient groups
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Central trial contact
Timna O Serino
Data sourced from clinicaltrials.gov
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