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Official Title
A Phase 1b/2 Multisite Dose- and Regimen-finding and Expansion Study of WTX-330 in Adult Patients With Selected Advanced or Metastatic Solid Tumors or Non-Hodgkin Lymphoma (NHL)
Phase
Phase 1/Phase 2
Sponsor
Werewolf Therapeutics, Inc.
Enrollment
100
Timeline
May 2025 → Aug 2028
About This Study
The goal of this clinical trial is to evaluate the safety and tolerability of the study drug WTX-330 when administered using a fixed dose regimen or a step-up dose regimen in adult patients with selected advanced or metastatic solid tumors or lymphoma. In addition to safety and tolerability, the study aims to: * determine the maximum initial dose of WTX-330 that may be used in the step-up dose regimen * determine whether the step-up dose regimen can increase WTX-330 exposure in patients due to improved tolerability * determine the maximum tolerated dose (MTD) of WTX-330 and/or recommended dose for expansion (RDE) for each regimen * evaluate the antitumor activity of WTX-330 * characterize the pharmacokinetic (PK) profile of WTX-330 * characterize the interferon gamma (IFNγ) profile after treatment with WTX-330 * evaluate changes in immunological biomarkers * determine the impact of WTX-330 on overall survival (OS) Study participants will participate in a dose- and regimen-finding phase (Part 1) followed by a dose expansion phase (Part 2) where they will be assigned to one of three arms (A, B and C).
Eligibility Criteria
Inclusion Criteria
- 1Age ≥ 18 years,
- 2Dose escalation (Part 1): Patients with relapsed/refractory locally advanced or metastatic solid tumor for which the patient has progressed on or is intolerant of standard therapy, or for whom no standard therapy with proven benefit exists. Patients with castrate resistant prostate cancer (CRPC) and primary Central Nervous System (CNS) malignancies are ineligible. Patients with non-Hodgkin lymphoma (NHL) will not be enrolled in the dose escalation but are eligible for the dose expansion.
- 3Dose Expansion (Part 2): Patients with relapsed/refractory locally advanced or metastatic cutaneous melanoma, MSS CRC or NHL for which the patient has progressed on or is intolerant of standard therapy. The dose expansion consists of 3 arms (A, B and C) with the following eligibility criteria:
- 4Arm A: Patients with locally advanced or metastatic cutaneous melanoma who demonstrate either primary or secondary resistance to checkpoint inhibitor (CPI) therapy. Patients must have received at least 1 prior line that was a SOC CPI regimen and are allowed no more than 3 prior lines for advanced disease. Prior T-VEC therapy is allowed and does not count as a prior line, but treated lesions cannot be used as target lesions or accessed for mandatory pre- and on-treatment biopsies.
- 5Arm B: Patients with relapsed/refractory locally advanced or metastatic MSS CRC who are immunotherapy naïve. Patients should have had no more than 3 prior lines of therapy in the advanced/metastatic setting and must have either progressed on or be intolerant of the certain agents.
- 6Arm C: Patients with advanced NHL who have follicular lymphoma or diffuse large B-cell lymphoma (DLBCL). Other subtypes of NHL may be considered after discussion with the Sponsor. All patients with NHL must have received at least 2 prior systemic therapies and have relapsed or refractory disease. Prior therapy with autologous Chimeric Antigen Receptor T-Cell (CAR-T) therapy is permitted and will be considered a prior line.
- 7Patients with follicular lymphoma (or other indolent lymphoma)
- 8Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
- 9At least one measurable lesion per RECIST 1.1 or evaluable lesion per Lugano classification.
- 10Agrees to undergo a pre-treatment and on-treatment biopsy of a primary or metastatic tumor lesion.
- 11Human immunodeficiency virus (HIV) infected patients must be on antiretroviral therapy (ART) and well-controlled HIV infection/disease
- 12Has adequate organ and bone marrow function.
- 13Willingness of men and women of reproductive potential to agree to highly effective birth control for the duration of treatment and for 4 months following the last dose of study drug.
Exclusion Criteria
- 1A history of another active malignancy (a second cancer) within the previous 2 years, except for localized cancers that are not related to the current cancer being treated, is considered cured, and, in the opinion of the Investigator, presents a low risk of recurrence. These exceptions include, but are not limited to, basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast.
- 2Received prior treatment with IL-12 by any route of administration (including intratumoral injection).
- 3Patients with primary CNS malignancies and CRPC
- 4Have known symptomatic brain metastases requiring steroids.
- 5Significant cardiovascular disease
- 6Significant electrocardiogram (ECG) abnormalities
- 7Active autoimmune disease requiring systemic treatment in the past 2 years
- 8Diagnosis of immunodeficiency, on immunosuppressive therapy, or receiving chronic systemic or enteric steroid therapy (dose \> 10 mg/day of prednisone or equivalent)
- 9Major surgery (excluding placement of vascular access) within 2 weeks prior to the first dose of study drug.
- 10Investigational agent or anticancer therapy (including chemotherapy, biologic therapy, immunotherapy, anticancer Chinese medicine, or other anticancer herbal remedy) within 5 half-lives or 4 weeks (whichever is shorter) prior to the first dose of study drug.
- 11Radiotherapy within 2 weeks of start of study treatment. A 1-week washout is permitted for palliative radiation (≤ 2 weeks of radiotherapy) to non-CNS disease.
- 12Any unresolved toxicities from prior therapy greater than National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0 Grade 1 at the time of starting study drug with the exception of alopecia Grade 2 platinum therapy-related neuropathy and Grade 2 endocrine immune-related AEs managed with a stable dose of hormone replacement therapy.
- 13Use of sensitive substrates of major CYP450 isozymes.
- 14Any illness, medical condition, organ system dysfunction, or social situation, including mental illness or substance abuse, deemed by the Investigator to be likely to interfere with a patient's ability to sign the informed consent form (ICF), adversely affect the patient's ability to cooperate and participate in the study, or compromise the interpretation of study results.
- 15Received a live vaccine within 30 days of the first dose of study drug.
- 16Active systemic bacterial, viral, or fungal infection.
- 17HIV-infected participants with a history of Kaposi sarcoma and/or multicentric Castleman Disease.
- 18Active infection as determined by hepatitis B surface antigen and hepatitis B core antibody, or hepatitis B virus deoxyribonucleic acid (DNA) by quantitative polymerase chain reaction (qPCR) testing.
- 19Active infection as determined by hepatitis C virus (HCV) antibody or HCV RNA by qPCR testing.
- 20Pregnant or lactating.
- 21History of hypersensitivity to any of the study drug components.
- 22Additional criteria may apply
Locations
5 sites participating in this study
Emory Winship Cancer Institute
Atlanta, Georgia 30322
HonorHealth Research Institute
Scottsdale, Arizona 85258
Justin Moser, MD
Northwestern University
Chicago, Illinois 60611
Study Coordinator
Data sourced from ClinicalTrials.govView on ClinicalTrials.gov →