A Trial to Evaluate the Efficacy and Safety of Tafasitamab With Bendamustine (BEN) Versus Rituximab (RTX) With BEN in Adult Patients With Relapsed or Refractory Diffuse Large B-cell Lymphoma (DLBCL) (B-MIND)

M

MorphoSys

Status and phase

Active, not recruiting
Phase 3
Phase 2

Conditions

Diffuse Large B-cell Lymphoma

Treatments

Drug: Rituximab (RTX)
Drug: Bendamustine (BEN)
Drug: Tafasitamab

Study type

Interventional

Funder types

Industry

Identifiers

NCT02763319
2014-004689-11 (EudraCT Number)
MOR208C204

Details and patient eligibility

About

The purpose of the study is to compare the safety and efficacy of Tafasitamab with BEN versus RTX with BEN in adult patients with relapsed of refractory DLBCL.

Full description

This is a randomised, two-arm, multicentre, open-label phase II/III efficacy and safety study of Tafasitamab in combination with BEN versus RTX in combination with BEN given to adult patients who have relapsed after or are refractory to at least one but no more than three prior systemic therapies and have failed, or are not candidates for HDC and ASCT, and have thus exhausted their therapeutic options of demonstrated clinical benefit. At least one prior therapy line must have included a CD20-targeted therapy.

Enrollment

450 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age ≥18 years
  • Histologically confirmed diagnosis, according to the World Health Organization (WHO, 2008) classification, of: DLBCL NOS, THRLBCL, EBV-positive DLBCL, composite lymphoma with a DLBCL component with a DLBCL relapse subsequent to DLBCL treatment, disease transformed from an earlier diagnosis of low grade lymphoma (i.e. an indolent pathology such as follicular lymphoma, marginal zone lymphoma) into DLBCL with a DLBCL relapse subsequent to DLBCL treatment.
  • Fresh tumour tissue for central pathology review must be provided as an adjunct to participation in this study. Should it not be possible to obtain a fresh tumour tissue sample, archival paraffin embedded tumour tissue acquired ≤3 years prior to screening for this protocol must be available for this purpose.

Patients must have:

  • relapsed or refractory DLBCL
  • at least one bidimensionally measurable disease site. The lesion must have a greatest transverse diameter of ≥1.5 cm and greatest perpendicular diameter of ≥1.0 cm at baseline. The lesion must be positive on PET scan
  • received at least one, but no more than three previous systemic therapy lines for the treatment of DLBCL. At least one previous therapy line must have included a CD20-targeted.
  • ECOG 0 to 2
  • Patients after failure of ASCT or patients considered in the opinion of the investigator currently not eligible for HDC with subsequent ASCT.

Patients must meet the following laboratory criteria at Screening:

  • ANC ≥1.5 × 109/L (unless secondary to bone marrow involvement by DLBCL)
  • PLTs ≥90 × 109/L (unless secondary to bone marrow involvement by DLBCL) and absence of active bleeding
  • total serum bilirubin ≤2.5 × ULN unless secondary to Gilbert's syndrome (or pattern consistent with Gilbert's) or documented liver involvement by lymphoma. Patients with Gilbert's syndrome or documented liver involvement by lymphoma may be included if their total bilirubin is ≤5 x ULN
  • ALT, AST and AP ≤3 × ULN or <5 × ULN in cases of documented liver involvement by lymphoma
  • serum creatinine ≤2.0 x ULN or creatinine clearance must be ≥40 mL/min calculated using a standard Cockcroft-Gault formula (Cockroft & Gault, 1976)
  • For a female of childbearing potential (FCBP), a negative pregnancy test must be confirmed before enrolment. An FCBP must commit to take highly effective contraceptive precautions without interruption during the study and for 3, 6 or 12 months after the last dose of Tafasitamab, BEN or RTX respectively, whichever is later. An FCBP must refrain from breastfeeding and donating blood or oocytes during the course of the study and for 3, 6 or 12 months after the last dose of Tafasitamab, BEN or RTX respectively, whichever is later. Restrictions concerning blood donations apply as well to females who are not of childbearing potential.
  • Males must use an effective barrier method of contraception without interruption during the study and for 3, 6 or 12 months after the last dose of Tafasitamab, BEN or RTX respectively, whichever is later, if the patient is sexually active with an FCBP. Males must refrain from donating blood or sperm during study participation and for 3, 6 or 12 months after the last dose of Tafasitamab, BEN or RTX respectively, whichever is later.

In the opinion of the investigator, the patients must:

  • be able to comply with all study-related procedures, medication use, and evaluations
  • be able to understand and give informed consent
  • not be considered to be potentially unreliable and/or not cooperative.

Exclusion criteria

  • Patients who have: any other histological type of lymphoma including, e.g., primary mediastinal (thymic) large B-cell lymphoma (PMBL) or Burkitt's lymphoma, primary refractory DLBCL, patients with known "double/triple hit" DLBCL genetics, CNS lymphoma involvement in present or past medical history
  • Patients who had a major surgery less than 30 days prior to Day 1 dosing

Patients who have, within 14 days prior to Day 1 dosing:

  • not discontinued CD20-targeted therapy, chemotherapy, radiotherapy, investigational anticancer therapy or other lymphoma-specific therapy
  • received live vaccines
  • required parenteral antimicrobial therapy for active, intercurrent systemic infections

Patients who:

  • in the opinion of the investigator, have not recovered sufficiently from the adverse toxic effects of prior therapies, major surgeries or significant traumatic injuries
  • were previously treated with CD19-targeted therapy or BEN
  • have a history of previous severe allergic reactions to compounds of similar biological or chemical composition to Tafasitamab, RTX, murine proteins or BEN, or the excipients contained in the study drug formulations
  • have undergone ASCT within a period of ≤3 months prior to signing the informed consent form. Patients who have a more distant history of ASCT must exhibit full haematological recovery before enrolment into the study.
  • have undergone previous allogeneic stem cell transplantation
  • concurrently use other anticancer or experimental treatments

Prior history of malignancies other than DLBCL, unless the patient has been free of the disease for ≥3 years prior to Screening. Exceptions to the ≥3-year time limit include history of the following:

  • basal cell carcinoma of the skin
  • squamous cell carcinoma of the skin
  • carcinoma in situ of the cervix, breast and bladder

f) incidental histological finding of prostate cancer (Tumour/Node/Metastasis [TNM] stage of T1a or T1b)

Patients with:

  • positive hepatitis B and/or C serology
  • known seropositivity for or history of active viral infection with HIV
  • evidence of active, severe uncontrolled systemic infections or sepsis
  • a history or evidence of severely immunocompromised state
  • a history or evidence of severe hepatic impairment (total serum bilirubin > 3 mg/dL), jaundice unless secondary to Gilbert's syndrome or documented liver involvement by lymphoma
  • a history or evidence of clinically significant cardiovascular, cerebrovascular, CNS and/or other disease that, in the investigator's opinion, would preclude participation in the study or compromise the patient's ability to give informed consent

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

450 participants in 2 patient groups

Tafasitamab and bendamustine
Experimental group
Description:
Tafasitamab and bendamustine
Treatment:
Drug: Tafasitamab
Drug: Bendamustine (BEN)
Rituximab and bendamustine
Active Comparator group
Description:
Rituximab and bendamustine
Treatment:
Drug: Bendamustine (BEN)
Drug: Rituximab (RTX)

Trial contacts and locations

158

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Data sourced from clinicaltrials.gov

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