Study of PIT565 in Relapsed and/or Refractory B-cell Malignancies

Phase 1Active Not RecruitingNCT05397496

Novartis Pharmaceuticals61 enrolled

Overview

This is an open-label, multicenter, phase I study, which primary objective is to characterize the safety and tolerability of PIT565 and to identify maximal tolerated doses (MTDs) and/or recommended doses (RDs), schedule and route of administration in relapsed and/or refractory B-cell Non-Hodgkin lymphoma (R/R B-NHL) and relapsed and/or refractory B-cell acute lymphoblastic leukemia (R/R B-ALL).

This is an open-label, multicenter, phase I study of PIT565 in patients with R/R B-NHL and R/R B-ALL. The study comprises a dose escalation part of PIT565 in two independent groups (group A: R/R B-NHL and B: R/R B-ALL) and a dose expansion part in three independent groups (R/R large B-cell lymphoma (LBCL) randomized in 1:1 ratio to two RDs (A1 and A2), and R/R B-ALL (B1)). During the dose escalation, the safety (including the dose-dose limiting toxicity (DLT) relationship) and tolerability of PIT565 will be assessed, and schedule(s), route(s) of administration and dose(s) will be identified for use in the expansion part based on the review of these data. The RD will also be guided by the available information on pharmacokinetics (PK), pharmacodynamics (PD), and preliminary anti-tumor activity. The dose escalation will be guided by an adaptive Bayesian logistic regression model (BLRM) following the Escalation with Overdose Control (EWOC) principle. Different schedules and routes of administrations will be explored in the dose escalation groups. The dose expansion will further explore the MTD(s) and/or RD(s) and the selected schedule(s) and route of administration(s) in the three patients' groups.

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

B-cell Non-Hodgkin Lymphoma (B-NHL)B-cell Acute Lymphoblastic Leukemia (B-ALL)

Interventions

PIT565BIOLOGICAL

Intravenous (i.v.) infusion or Subcutaneous (s.c.) injection

Eligibility

Sex: ALLMin age: 18 YearsMax age: 100 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Signed informed consent must be obtained prior to participation in the study. * Male or female patients ≥18 years of age at the date of signing the informed consent form * Eastern Cooperative Oncology Group (ECOG) performance status ≤2 NHL patient population * Refractory or relapsed B-NHL * Must have relapsed after or failed to respond to at least two prior treatment therapies including an αCD20 monoclonal antibody containing chemotherapy combination regimen * Must have at least one bi-dimensionally measurable nodal lesion or one bi-dimensionally measurable extranodal lesion, as measured on positron emission tomography-computed tomography (PET/CT) scan ALL patient population * Refractory or relapsed CD19-positive B-ALL * Morphologic disease in the bone marrow (≥ 5% blasts) Exclusion Criteria: * History of severe hypersensitivity to any ingredient of the study treatment or its excipients * Contraindication to tocilizumab * History of ongoing, chronic or recurrent infectious disease, or evidence of tuberculosis infection * Malignant disease, other than that being treated in this study. Exceptions to this exclusion include the following: malignancies that were treated curatively and have not recurred within 2 years prior to study treatment; completely resected basal cell and squamous cell skin cancers, and completely resected carcinoma in situ of any type * Active central nervous system (CNS) involvement by malignancy or presence of symptomatic CNS metastases, or CNS metastases that require local CNS-directed therapy (such as radiotherapy or surgery), or increasing doses of corticosteroids within the 2 weeks prior to the start of study treatment * Active, known or suspected autoimmune disease other than patients with vitiligo, residual hypothyroidism only requiring hormone replacement, psoriasis not requiring systemic treatment or conditions not expected to recur * Patients receiving systemic treatment with any immunosuppressive medication Other protocol-defined inclusion/exclusion criteria may apply.

Locations (18)

University Of Miami

Miami, Florida, United States

University of Chicago Medical Center

Chicago, Illinois, United States

Outcomes

Primary Outcomes

Incidence and severity of Dose Limiting Toxicities (DLTs)

Assessment of safety of study drug. A dose-limiting toxicity (DLT) is defined as an adverse event or abnormal laboratory value of CTCAE grade 3 or higher that occurs within the DLT evaluation period (28 days or 35 days depending on the schedule) and that is not primarily related to disease, disease progression, intercurrent illness, or concomitant medications with exceptions provided in the clinical protocol.

Time frame: 28 days or 35 days, depending on the dosing schedule

Incidence and severity of Adverse Events (AEs) and Serious Adverse Events (SAEs)

Assessment of safety of study drug.

Time frame: 21 months

Frequency of dose interruptions

Assessment of tolerability of study drug

Time frame: 21 months

Frequency of dose reductions

Assessment of tolerability of study drug

Time frame: 21 months

Dose intensities

Assessment of tolerability of study drug Dose intensity is defined as the ratio of actual cumulative dose received and actual duration of exposure.

Time frame: 21 months

Secondary Outcomes

Overall Response Rate (ORR)

Evaluation of anti-tumor activity of PIT565 for Non-Hodgkin Lymphoma will be based on the Lugano Response Criteria Classification and anti-tumor activity of PIT565 for Acute Lymphoblastic Leukemia will be based on National Comprehensive Cancer Network (NCCN) 2018 v1 guidelines. Local investigator assessment will be used for analysis of efficacy endpoints.

Time frame: 21 months

Data from ClinicalTrials.gov

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