Status:
WITHDRAWN
A Study of CXD101 in Combination With Pembrolizumab for Relapsed or Refractory Diffuse Large B-Cell Lymphoma
Lead Sponsor:
University College, London
Collaborating Sponsors:
Celleron Therapeutics Ltd.
Merck Sharp & Dohme LLC
Conditions:
Diffuse Large B Cell Lymphoma
Eligibility:
All Genders
18+ years
Phase:
PHASE1
PHASE2
Brief Summary
Trial Subjects (patients), will receive single infusions of pembrolizumab in combination with CXD101 every 3 weeks for two years or until disease progression or unacceptable toxicity develops.
Detailed Description
Trial Subjects (patients) who are deemed eligible for the trial will initially be entered into the safety run-in stage of the trial. Up to 12 patients will be registered into the safety run-in stage, ...
Eligibility Criteria
Inclusion
- Biopsy-confirmed DLBCL, relapsed/ refractory after ≥2 lines of prior therapy and not fit for ASCT or relapsed post ASCT. Eligible histologies include (a) diffuse large B-cell lymphoma NOS, (b) transformed indolent non-Hodgkin lymphoma (including Richter's transformation), (c) EBV positive DLBCL NOS, (d) high grade B-cell lymphoma with MYC and BCL2 and/or BCL6 translocations, (e) high grade B-cell lymphoma NOS \& (f) primary mediastinal B-cell lymphoma
- Measurable disease (of \>15mm in a node or \>10mm in extranodal tissue)
- Age 18 years or over
- Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
- Adequate organ and bone marrow function: Hb \>80g/L, neutrophils \>1.0x10\^9/L and platelets \>75x10\^9/L (without platelet transfusion support)
- International normalised ratio (INR) or prothrombin time (PT) or Activated partial thromboplastin time (aPTT): ≤1.5 × ULN unless participant is receiving anticoagulant therapy as long as PT or aPTT is within therapeutic range of intended use of anticoagulants
- Adequate renal function: estimated creatinine clearance \>60ml/min as calculated using the Cockroft-Gault equation
- Adequate liver function, including:
- Bilirubin ≤1.5 x upper limit of normal (ULN).
- Aspartate or alanine transferase (AST or ALT) ≤2.5 x ULN
- Negative serum or urine pregnancy test for women of childbearing potential (WOCBP)
- Willing to comply with the contraceptive requirements of the trial
- Written informed consent
Exclusion
- Post-transplant lymphoproliferative disorder
- Women who are pregnant or breast feeding, or males expecting to conceive or father children at any point from the start of study treatment until 4 months after the last administration of study treatment
- Patients with corrected QTc (QTcF or QTcB) interval \>450msec
- Clinically significant cardiac or respiratory disease:
- Cardiac disease: Myocardial infarction, severe/unstable angina pectoris within 6 months prior to starting study treatment, NYHA class III-IV heart failure
- Pulmonary disease causing ≥ grade 2 dyspnoea or patient requiring oxygen
- Known involvement of the central nervous system with lymphoma
- Clinically significant active infection requiring antibiotic or antiretroviral therapy
- Active autoimmune disease that has required systemic treatment in the past 2 years
- History of (non-infectious) pneumonitis that required steroids or has current pneumonitis
- History of immune hepatitis or myocarditis
- Systemic anti-cancer therapy within 4 weeks prior to starting study treatment (12 weeks for CAR T-cells)
- Prior radiotherapy within 2 weeks of start of study treatment. Participants must have recovered from all radiation-related toxicities, not require corticosteroids and not have had radiation pneumonitis.
- Received a live vaccine within 30 days prior to starting study treatment
- Have taken an IMP/investigational device within 4 weeks prior to starting study treatment
- Major surgery within 4 weeks prior to starting study treatment
- Prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (e.g. CTLA-4, OX 40, CD137)
- Prior allogeneic haematopoietic stem cell transplant, solid organ allogeneic transplant or allogeneic CAR T-cell therapy. Prior use of autologous CAR T-cell therapy is allowed but patient must be ≥ 12 weeks post infusion prior to starting study treatment
- Diagnosis of prior immunodeficiency or organ-transplant requiring immunosuppressive therapy, or known human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS)-related illness
- Positive serology for hepatitis B or C unless (as) hepatitis B positive due to vaccination (HBsAb positive, all other tests negative) or (b) past hepatitis B infection with low risk of reactivation (HBsAb positive \& HBcAb positive, other tests (including hepatitis B DNA) negative - PI/co-investigator approval needed
- Severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients and/or a history of allergies to the excipients for CXD101
- History or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the subject's participation for the full duration of the study, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
- Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the study
- Non-haematological malignancy within the past 3 years with the exception of (a) adequately treated basal cell carcinoma, squamous cell skin cancer, or thyroid cancer (b) carcinoma in situ of the cervix or breast, (c) prostate cancer of Gleason grade 6 or less with stable prostate-specific antigen levels; or (d) cancer considered cured by surgical resection or unlikely to impact survival during the duration of the study such as localised transitional cell carcinoma of the bladder or benign tumours of the adrenal gland or pancreas
- Current or prior use of immunosuppressive therapy within 7 days prior to start of treatment except the following: intranasal, inhaled, topical steroids or local steroid injections (eg. Intra-articular injection); systemic corticosteroids at physiologic doses (\<10mg/day or less of prednisolone or equivalent)
- Patient unable to swallow
Key Trial Info
Start Date :
October 1 2019
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2025
Estimated Enrollment :
Patients enrolled
Trial Details
Trial ID
NCT03873025
Start Date
October 1 2019
End Date
April 1 2025
Last Update
August 17 2021
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