Status and phase
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About
MYE Symphony is a multicenter, open-label, Phase 1 first-in-human study to assess the safety, tolerability, and define the RP2D of MT-302 in participants with advanced epithelial cancer.
Full description
The study has 4 Cohorts. Each Cohort has 4 Cycles. For Cohorts 1-3, the dosing regimen will be every 14 days for 3 doses, followed by administration once every 28 days for three doses. For Cohort 4, the dosing regimen will be modified. Participants will receive one dose of MT-302 every week for 3 doses, followed by administration once every 28 days for three additional doses.
A Safety Review Committee (SRC) will provide oversight for this study. The primary responsibility of the SRC is to safeguard study participants by reviewing and assessing the clinical safety data being collected during the conduct of the study.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Adults age ≥ 18 inclusive at the time the Informed Consent Form (ICF) is signed.
Histologically proven, metastatic or advanced epithelial cancer including the following cancer types:
Progressive disease at baseline, refractory or relapsed to standard of care or who have declined standard therapy.
Measurable disease based on Response Evaluation Criteria in Solid Tumors (RECIST) criteria v 1.1.
Eastern Cooperative Oncology Group (ECOG) performance status grade of 0 or 1.
Life expectancy of > 12 weeks.
Echocardiogram (ECHO) or multiple gated acquisition scan showing an ejection fraction greater than or equal to 50%.
Electrocardiogram (ECG) showing no clinically significant abnormality at Screening or showing an average QTc interval < 450 msec in males and < 470 msec in females (< 480 msec for participants with bundle branch block). Either Fridericia's or Bazett's formula may be used to correct the QT interval.
Oxygen saturation of greater than or equal to 90% on room air measured by pulse oximetry.
Adequate organ function as defined by laboratory values at Screening.
Willing and able to provide written informed consent.
Willing to perform and comply with all study procedures including undergoing study-related biopsies and attending clinic visits as scheduled.
Men must abstain from sperm donation during study treatment or for 4 months following last dose of study treatment.
Men and WOCBP must be willing to practice a highly effective method of contraception.
Exclusion criteria
Known active CNS metastasis and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable, (ie, without evidence of progression for at least 4 weeks by repeat imaging), clinically stable, and without requirement of steroid treatment for at least 14 days prior to the first dose of study intervention.
Pregnant or nursing women.
Must be > 28 days beyond major surgery, including hepatectomy or joint replacement.
Prior allogeneic bone marrow transplantation or solid organ transplant.
Spinal cord compression not definitively treated with surgery and/or radiation.
Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures.
Any acute illness including fever (> 100.4° F or > 38° C) within 7 days prior to Day 1
Active systemic bacterial, fungal, or viral infection within 7 days prior to Day 1. Participant cannot have tested positive for COVID-19 within 7 days prior to Day 1.
Active infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV).
Other primary malignancies, except:
History of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease.
Prior grade > 3 immune-related AEs such as pneumonitis, colitis, hepatitis, nephritis; prior dermatitis and endocrinopathies are allowed provided corticosteroids are no longer required and endocrine-replacement therapy is stable and discontinued from prior therapy.
Active autoimmune disease not related to prior therapy for primary malignancy that has required systemic therapy in the last 1 year.
History of symptomatic congestive heart failure (New York Heart Association classes II-IV) or serious active arrhythmias or other clinically significant cardiac disease within 12 months of enrollment.
Toxicity from previous anti-cancer therapy defined as toxicities (other than alopecia, or laboratory values listed above) not yet resolved to NCI CTCAE v5.0 Grade ≤ 1 or baseline. Participants with chronic Grade 2 toxicities (eg, peripheral neuropathy, laboratory values) may be eligible per the discretion of the Investigator and Medical Monitor.
Has received:
Has received a live vaccine ≤ 6 weeks prior to first administration of MT-302
Has received packed red blood cells or platelet transfusion within 2 weeks prior to first administration of MT-302
History of an allergic reaction to any of the excipients
Enrollment in another interventional clinical trial within 28 days or 5 half-lives of the drug, whichever is shorter, of first administration of MT-302
Any other condition that, in the opinion of the Investigator, would make the participant unsuitable for the study or unable to comply with the study requirements.
Primary purpose
Allocation
Interventional model
Masking
48 participants in 1 patient group
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Central trial contact
Shinam Garg; Clinical Operations
Data sourced from clinicaltrials.gov
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