- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02268253
Tagraxofusp (SL-401) in Patients With CMML or MF
Tagraxofusp (SL-401) in Patients With Chronic Myelomonocytic Leukemia (CMML) or Myelofibrosis (MF). [Prior Title: SL-401 in Patients With Advanced, High Risk Myeloproliferative Neoplasms (Systemic Mastocytosis, Advanced Symptomatic Primary Eosinophilic Disorder, Myelofibrosis, Chronic Myelomonocytic Leukemia).]
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Alberta
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Edmonton, Alberta, Canada, T6G 2G3
- University of Alberta
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Ontario
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Toronto, Ontario, Canada, M5G 2M9
- Princess Margaret Cancer Centre
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California
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Duarte, California, United States, 91010
- City of Hope
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Los Angeles, California, United States, 90095
- University of California, Los Angeles
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Kansas
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Westwood, Kansas, United States, 66205
- University of Kansas Cancer Center
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Kentucky
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Louisville, Kentucky, United States, 40207
- Norton Cancer Institute
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Minnesota
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Rochester, Minnesota, United States, 55905
- Mayo Clinic
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New York
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Buffalo, New York, United States, 14263
- Roswell Park Cancer Institute
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New York, New York, United States, 10021
- Weill Cornell Medical Center
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Texas
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Houston, Texas, United States, 77030
- MD Anderson Cancer Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Abbreviated Inclusion Criteria:
All Patients (Stages 2 and 3A):
- The patient is ≥18 years old.
- The patient has a life expectancy of >6 months.
- The patient has an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-2.
The patient has adequate baseline organ function, including cardiac, renal, and hepatic function:
- Left ventricular ejection fraction (LVEF) ≥ institutional lower limit of normal as measured by multigated acquisition scan (MUGA) or 2-dimensional (2-D) echocardiogram (ECHO) within 28 days prior to start of therapy and no clinically significant abnormalities on a 12-lead electrocardiogram (ECG)
- Serum creatinine ≤1.5 mg/dL
- Serum albumin ≥3.2 g/dL (or ≥32 g/L) in the absence of receipt of (IV) albumin within the previous 72 hours
- Bilirubin ≤1.5 mg/dL
- Aspartate transaminase (AST) and alanine transaminase (ALT) ≤2.5 times the upper limit of normal (ULN)
- Creatine phosphokinase (CPK) ≤2.5 times the ULN
- Absolute neutrophil count (ANC) ≥0.5 × 10⁹/L
Additional Abbreviated Inclusion Criteria Specific to Patients with MF (Stage 2):
- Patient meets the 2016 WHO diagnostic criteria for MF and has an IPSS/DIPSS/DIPSS-plus intermediate-2 or high-risk disease. Patients with IPSS/DIPSS/DIPSS-plus low or intermediate-1 risk disease who have at least one of the following symptoms are also eligible: MF-related anemia (Hb <10 g/dL), splenomegaly (palpable size >10 cm), leukocytosis (WBC >25 × 10⁹/L), marked thrombocytosis (platelet count >1000 × 10⁹/L), or constitutional symptoms (weight loss >10%, during prior 6 months or fever [>37.5ºC or drenching night sweats for >6 weeks]), as recommended by the ELN/IWG 2018 criteria.
- Patient is approved JAK therapy (JAK1/JAK2 or JAK2) resistant/refractory or intolerant, in accordance with the ELN/IWG 2018 criteria, and at least 4 weeks have elapsed between the last dose of any MF-directed drug treatments; excluding HU, and study enrollment (first dose). HU can be continued until 2 weeks prior to study enrollment.
- Patient is not eligible for an immediate allo-SCT.
Additional Abbreviated Inclusion Criteria Specific to Patients with CMML (Stage 3A):
- Patient has a 2016 WHO-defined diagnosis of CMML (persistent monocytosis ≥1 × 10⁹/L for at least 3 months, with other causes excluded, and monocytes ≥10% of WBC in peripheral blood, no criteria and no previous history of CML, ET, PV, and acute promyelocytic leukemia; if eosinophilic, neither PDGFRA, PDGFRB, FGFR1 rearrangements nor PCM1-JAK2 translocation; <20% blasts in peripheral blood and bone marrow aspirate; >1 following criteria - dysplasia in >1 myeloid lineage, acquired clonal cytogenetic or molecular abnormality in hematopoietic cells).
- Patient has 2016 WHO-defined CMML-1 (2-4% blasts in peripheral blood and/or 5-9% blasts in bone marrow) and CMML-2 (5-19% blasts in peripheral blood and/or 10-19% blasts in bone marrow, and/or presence of Auer rods).
- Patient is refractory/resistant/intolerant to HMAs, or HU, or intensive chemotherapy OR patient is classified as high-risk based on the presence of morphological features, as described by the 2016 WHO prognostic system, and the clinical and molecular features described in molecularly-integrated prognostic systems, such as the GFM, MMM, and the CMML specific prognostic model (CPSS-Mol), and thus is not expected to benefit from HMAs.
- Patient is ineligible for an immediate allo-SCT.
Abbreviated Exclusion Criteria:
All Patients (Stages 2 and 3A):
- Persistent clinically significant toxicities Grade ≥2 from previous therapies not readily controlled by supportive measures (excluding alopecia, nausea, and fatigue).
- Treatment with any disease-related therapy, including radiation therapy or investigational agent, within 14 days of study entry.
- Allogeneic SCT within 3 months of study entry.
- Previous treatment with tagraxofusp or known hypersensitivity to any components of the drug product.
- Active malignancy and/or cancer history (excluding myeloproliferative disorders and concomitant myeloid malignancies as specified in the inclusion criteria) that can confound the assessment of the study endpoints. Patients with a past cancer history (within 2 years of entry) and/or ongoing active malignancy or substantial potential for recurrence must be discussed with the Sponsor before study entry. Patients with the following neoplastic diagnoses are eligible: non-melanoma skin cancer, carcinoma in situ (including superficial bladder cancer), cervical intraepithelial neoplasia, or organ-confined prostate cancer with no evidence of progressive disease.
- Clinically significant cardiovascular disease, pulmonary disease, or known active or suspected disease involvement of the central nervous system (CNS).
- Receiving immunosuppressive therapy, with the exception of corticosteroids as specified in the inclusion criteria and tacrolimus, for treatment or prophylaxis of graft-versus-host disease (GVHD).
- Uncontrolled intercurrent illness.
- Patient is pregnant or breast feeding.
- Patient has known human immunodeficiency virus (HIV), Hepatitis B or Hepatitis C.
- Patient is oxygen-dependent.
Additional Exclusion Criteria Specific to Patients with MF and CMML (Stages 2 and 3A) apply.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Tagraxofusp (SL-401)
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Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate and severity of treatment-emergent adverse events
Time Frame: Through 30 days post last dose of tagraxofusp
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Characterize the safety profile of tagraxofusp in patients with CMML and MF by assessing rates of adverse events
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Through 30 days post last dose of tagraxofusp
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Evaluation of rate of response
Time Frame: Through 12 months post last dose of tagraxofusp
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Evaluate the efficacy of tagraxofusp as measured by the rate (%) of response
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Through 12 months post last dose of tagraxofusp
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Myelodysplastic-Myeloproliferative Diseases
- Leukemia, Myeloid
- Primary Myelofibrosis
- Leukemia
- Leukemia, Myelomonocytic, Acute
- Leukemia, Myelomonocytic, Chronic
- Leukemia, Myelomonocytic, Juvenile
Other Study ID Numbers
- STML-401-0314
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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