Breast Cancer Clinical Trial
Phase 1a and Phase 2 Study for PK, PD, Safety and Preliminary Efficacy of ST-067
Summary
This is a multicenter Phase 1a open-label, dose escalation study, and a Phase 2 study of ST-067. Phase 1a is a first-in-human (FIH) dose escalation study in patients aged 18 years or older diagnosed with solid tumors who have exhausted available standard. Phase 2 will enroll patients aged 18 years or older diagnosed with the following solid tumors: melanoma, renal cell carcinoma, triple negative breast cancer, non-small cell lung cancer, squamous cell carcinoma of the head and neck, and microsatellite instability-high tumors.
Full Description
Phase 1a is designed to determine the recommended Phase 2 dose of ST-067 monotherapy using a modified toxicity probability interval (mTPI) design. ST-067 is administered as subcutaneous injection once weekly. Pre and on treatment biopsies will be mandated for all patients. There will be evaluation of PK and PD effects.
Phase 2 will evaluate the preliminary efficacy of ST-067 administered at the RP2D to patients with the following tumor types. A Simon 2 stage design is used to calculate the sample size and early stopping rules will be employed in the event of lack of efficacy in any of the cohorts. RECIST 1.1 will be used to assess tumor response every 8-12 weeks.
Melanoma (n=28)
Renal cell carcinoma (n=25)
Triple-negative best cancer (n=25)
Non-small cell lung cancer (n=25)
squamous cell carcinoma of the head and neck (n=28)
MSI-Hi tumors (n=25)
Safety will be assessed for each patient throughout the study.
Eligibility Criteria
Inclusion Criteria:
Male and female patients aged ≥18 years
Must provide written informed consent and any authorizations required by local law
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Have histologically or cytologically confirmed diagnosis of advanced/metastatic solid tumor
For Phase 1a, the following solid tumors are allowed: Melanoma, Merkel cell, RCC, urothelial, NSCLC,TNBC, SCCHN, microsatellite instability high, high tumor mutation burden (Hi TMB) or mismatch repair deficient, gastric, cervical, endometrial, cutaneous squamous, small cell lung, esophageal, hepatocellular carcinoma and platinum resistant ovarian cancer.
For patients who have developed disease progression through standard therapy, or
For patients whom standard of care therapy that prolongs survival is unavailable or unsuitable (according to the investigator and after consultation with the Medical Monitor)
For Phase 2, the following solid tumors are allowed:
Melanoma, RCC, TNBC, NSCLC, SCCHN, and MSI-Hi tumors
Has at least 1 measurable lesion per RECIST 1.1 criteria which has not been biopsied or received prior irradiation
Has an accessible tumor for biopsy pre- and on-treatment (mandatory).
Exclusion Criteria:
History of another malignancy
Known symptomatic brain metastases requiring >10 mg/day of prednisolone
Significant cardiovascular disease
Significant ECG abnormalities
Any degree of respiratory compromise (from malignant or non-malignant disease)
Evidence of an ongoing systemic bacterial, fungal, or viral infection
Has received a live vaccine within 30 days
Major surgery within 4 weeks
Prior solid organ or bone marrow progenitor cell transplantation
Prior high dose chemotherapy requiring stem cell rescue
History of active autoimmune disorders
Ongoing immunosuppressive therapy, including systemic or enteric corticosteroids.
Treatment with an approved, systemic anticancer therapy or an investigational agent within 4 weeks of Day 1
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There are 7 Locations for this study
Scottsdale Arizona, 85258, United States More Info
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Denver Colorado, 80218, United States More Info
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Boston Massachusetts, 02114, United States More Info
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Buffalo New York, 14263, United States More Info
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Portland Oregon, 97213, United States More Info
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