Actively Recruiting
Phase 2 Study of BTKi-Rituximab Induction Followed by Glofitamab Consolidation in High Risk Untreated MCL Patients - WINDOW-4 Study
Led by M.D. Anderson Cancer Center · Updated on 2026-04-16
30
Participants Needed
1
Research Sites
242 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
to learn if giving glofitamab after treatment with BTKi-rituximab can help to control high-risk MCL.
CONDITIONS
Official Title
Phase 2 Study of BTKi-Rituximab Induction Followed by Glofitamab Consolidation in High Risk Untreated MCL Patients - WINDOW-4 Study
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Confirmed diagnosis of mantle cell lymphoma with CD20 positivity and specific genetic markers or overexpression of cyclin D1
- Life expectancy of 12 weeks or more
- Newly diagnosed, untreated high-risk mantle cell lymphoma eligible for BTKi-R and glofitamab therapy
- High-risk features including specific histology, genetic mutations, bulky disease, or high-risk MIPI score approved by study PI
- Ability and willingness to participate in all study evaluations and procedures, including swallowing capsules and tablets
- Age 18 years or older at consent
- Measurable disease by PET-CT or CT scan, or spleen involvement
- ECOG performance status of 1 or lower
- Well-controlled cardiovascular conditions with ejection fraction 50% or higher and cardiology clearance
- Adequate blood counts and organ function as specified
- Agreement to use effective contraception during and after treatment as per protocol
- Willingness to comply with hospitalization for first glofitamab dose
- Achieved complete metabolic response to first-line BTKi-rituximab treatment
- Agreement to refrain from donating blood during and for 12 months after treatment
You will not qualify if you...
- Radiologically confirmed relapsed or refractory disease
- Bone marrow or gastrointestinal only disease without measurable disease unless leukemic phase with high-risk features
- Pregnant or breastfeeding females
- Primary refractory to BTKi-R therapy
- Recent investigational drug use within 30 days or 5 half-lives
- Life-threatening illness or organ dysfunction compromising safety
- Known HIV infection
- History of hemophagocytic lymphohistiocytosis or active Epstein-Barr virus infection
- Positive COVID-19 test within 7 days prior to enrollment
- Lack of high-risk features for MCL
- Active hepatitis B or C infection or positive viral PCR without clearance
- Prior malignancy requiring active treatment except certain skin and in situ cancers disease-free for 3 years
- Central nervous system involvement or uncontrolled CNS disorders
- Active bleeding disorders or recent intracranial bleed or stroke
- Uncontrolled autoimmune hemolytic anemia or idiopathic thrombocytopenic purpura
- Significant gastrointestinal disease affecting drug absorption unless cleared
- Use of warfarin or vitamin K antagonists or active treatment for clotting disorders unless reviewed
- High dose corticosteroid use longer than 2 weeks
- Active primary immunodeficiency or recent autoimmune disease requiring immunosuppression without clearance
- Use of strong CYP3A inhibitors or inducers close to dosing
- Significant cardiovascular disease including recent myocardial infarction or arrhythmias without clearance
- Active infection requiring systemic treatment or recent live vaccines
- Other serious medical or psychiatric conditions posing risk or interfering with study
- Hypersensitivity or anaphylaxis to study drugs or components
- Concurrent participation in another therapeutic clinical trial
- Inability to swallow oral medication or significant gastrointestinal disease limiting absorption
- Major surgery within 28 days without full recovery
- History of severe allergic reactions to related antibody therapies
- Immunodeficiency or systemic immunosuppressant therapy within 28 days except specified exceptions
- Participants with inactive hepatitis B must follow reactivation prophylaxis protocols
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
MD Anderson Cancer Center
Houston, Texas, United States, 77030
Actively Recruiting
Research Team
P
Preetesh Jain, MD
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
3
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