Purpose

The purpose of this clinical trial is to evaluate efficacy and safety of tirabrutinib alone compared with rituximab and temozolomide (R-TMZ) combination therapy in participants with Relapsed/Refractory Primary Central Nervous System Lymphoma (PCNSL).

Condition

Eligibility

Eligible Ages
Over 18 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  1. Pathology report confirming the diagnosis of B-cell PCNSL 2. Relapsed or refractory B-cell PCNSL with at least 1 prior high-dose methotrexate (HD-MTX) based therapy for PCNSL: - Relapsed disease: Participants who achieved a response (CR, CRu, PR) to the last treatment and subsequently experienced disease progression. - Refractory disease: Participants whose best response to the last treatment was stable disease or PD. 3. One or more bi-dimensionally measurable brain lesions with a minimum diameter greater than or equal to (≥)1 centimeter (cm) × ≥1 cm in gadolinium-enhanced magnetic resonance imaging (MRI) 4. Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0-2 5. Adequate bone marrow, renal, and hepatic function per central lab values 6. Participants must agree to comply with all defined contraceptive requirements

Exclusion Criteria

  1. Participants with isolated intraocular PCNSL or spinal PCNSL with no brain lesions 2. Participants with non-B-cell PCNSL 3. Participants with systemic presence of lymphoma 4. Refractory to temozolomide with or without rituximab-containing regimens in the last PCNSL treatment 5. Concomitant systemic corticosteroid exposure within 14 days before starting study drug per Investigator assessment with the exception of the following: - Equivalent of up to 10 milligram per day (mg/day) of prednisone for a disease other than PCNSL - Equivalent of up to 50 mg/day of prednisone (equal to 8 mg/day dexamethasone) for participants with lesions of the brain and/or spinal cord 6. Active malignancy, other than PCNSL requiring systemic therapy 7. Poorly controlled comorbidity, or history of medical conditions contraindicated per Investigator assessment 8. Participants who are unable to swallow oral medication 9. Prior Bruton's tyrosine kinase inhibitor treatment

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Tirabrutinib
Tirabrutinib 480 milligram (mg) orally every day (QD), as monotherapy in 28-day cycles.
  • Drug: Tirabrutinib
    Administered orally.
    Other names:
    • ONO-4059
Active Comparator
Rituximab-Temozolomide (R-TMZ)
Rituximab 375 milligram per square meter (mg/m2) intravenously (IV) and temozolomide 150 mg/m2/day orally, as combination therapy for Cycle 1 through 6.
  • Drug: Rituximab
    Administered intravenously (IV).
  • Drug: Temozolomide
    Administered orally.

Recruiting Locations

Yale Cancer Center
New Haven 4839366, Connecticut 4831725 06520

More Details

Status
Recruiting
Sponsor
Ono Pharmaceutical Co. Ltd

Study Contact

Clinical Team
888-724-3274
clinicaltrials@deciphera.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.