Blinatumomab for Acute Lymphoblastic Leukemia
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial explores whether blinatumomab, an immunotherapy, is more effective than standard chemotherapy for treating B-cell acute lymphoblastic leukemia (ALL) that has relapsed. Immunotherapy harnesses the body's immune system to attack leukemia cells. The trial includes various treatment plans to compare these approaches. Ideal participants are those who have experienced their first relapse of B-cell ALL, affecting the bone marrow, brain, or testicles. Participants should not have had a stem cell transplant or prior treatment with blinatumomab. As a Phase 3 trial, this study represents the final step before FDA approval, offering participants a chance to contribute to potentially groundbreaking treatment advancements.
Will I have to stop taking my current medications?
The trial protocol does not specify if you must stop taking your current medications. However, there are specific requirements about the timing of previous treatments, such as a 14-day gap after cytotoxic therapy and a 7-day gap after biologic agents, except for certain allowed medications like hydroxyurea and intrathecal chemotherapy.
Is there any evidence suggesting that this trial's treatments are likely to be safe?
Research has shown that blinatumomab is generally well-tolerated by patients with B-cell precursor acute lymphoblastic leukemia (ALL). In earlier studies, 12.5% of patients experienced serious side effects, indicating some significant reactions. However, the treatment is considered to have a manageable safety profile. Common side effects include cytokine release syndrome, where the immune system becomes very active, and neurological symptoms. Healthcare professionals typically monitor and manage these known side effects. Overall, blinatumomab has proven effective and safe in many real-world situations.12345
Why are researchers excited about this trial's treatment?
Researchers are excited about blinatumomab for treating Acute Lymphoblastic Leukemia (ALL) because it works differently than standard chemotherapy treatments. Unlike typical therapies that target cancer cells broadly, blinatumomab is a type of immunotherapy known as a bispecific T-cell engager (BiTE). It uniquely connects T-cells, a type of immune cell, directly to cancer cells, helping the immune system better recognize and attack the leukemia cells. This targeted approach can lead to more efficient cancer eradication with potentially fewer side effects compared to traditional chemotherapy.
What evidence suggests that this trial's treatments could be effective for relapsed B-cell acute lymphoblastic leukemia?
Research shows that blinatumomab works well for patients with relapsed B-cell acute lymphoblastic leukemia (B-cell ALL). Studies found that 78% of patients had no detectable cancer cells after one treatment cycle. Another study demonstrated that blinatumomab improved outcomes for children with relapsed B-cell ALL. Additionally, real-world evidence indicated that 87.2% of patients had no detectable cancer cells after two treatment cycles. In this trial, some participants will receive blinatumomab as part of their treatment regimen, suggesting it can be a strong option for relapsed B-cell ALL.56789
Who Is on the Research Team?
Patrick A Brown
Principal Investigator
Children's Oncology Group
Are You a Good Fit for This Trial?
This trial is for young patients under 31 years old with a first relapse of B-cell acute lymphoblastic leukemia. They must not have had prior stem cell transplants or blinatumomab treatment, and their major organs need to function well. Patients with HIV, pregnant or breastfeeding women, and those with certain genetic syndromes or significant CNS pathology are excluded.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Induction Block 1
Patients receive a combination of chemotherapy drugs including dexamethasone, vincristine sulfate, pegaspargase, mitoxantrone hydrochloride, and methotrexate
Randomization and Treatment
Patients are randomized to receive either intensive chemotherapy blocks or blinatumomab blocks, followed by allogeneic HSCT if eligible
Continuation and Maintenance
Patients receive continuation therapy and maintenance, including chemotherapy and blinatumomab cycles
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Blinatumomab
Blinatumomab is already approved in European Union, United States for the following indications:
- Relapsed or refractory B-cell precursor acute lymphoblastic leukemia (BCP-ALL)
- High-risk first relapse BCP-ALL
- Relapsed or refractory B-cell precursor acute lymphoblastic leukemia (BCP-ALL)
- First or second complete remission with minimal residual disease (MRD)
Find a Clinic Near You
Who Is Running the Clinical Trial?
National Cancer Institute (NCI)
Lead Sponsor