Chemotherapy + Stem Cell Transplant for Amyloidosis
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial aims to determine if adding a stem cell transplant after chemotherapy is more effective than chemotherapy alone for treating newly diagnosed amyloid light chain (AL) amyloidosis. AL amyloidosis causes abnormal proteins to accumulate in organs, which can be serious. The trial compares two groups: one receiving a combination of drugs such as daratumumab (an immunotherapy), cyclophosphamide, bortezomib, and dexamethasone, and another adding melphalan and a stem cell transplant to this regimen. It is designed for those diagnosed with AL amyloidosis who have measurable disease, meaning the disease can be tracked by specific tests. 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.
Do I need to stop my current medications for the trial?
The trial protocol does not specify if you need to stop taking your current medications. However, you may continue taking chronic corticosteroids if they are for conditions other than AL amyloidosis or myeloma. It's best to discuss your specific medications with the study team.
Is there any evidence suggesting that this trial's treatments are likely to be safe?
Research shows that the treatments in this trial have undergone safety studies. Daratumumab, a monoclonal antibody, has been tested in many patients. About 7% of patients reported reactions at the injection site, and only a few experienced more serious reactions, indicating it is generally well-tolerated.
Melphalan, used in stem cell transplants, has proven safe and effective as a high-dose treatment for patients with AL amyloidosis. Studies with many participants have confirmed its safe use.
Both treatments have been thoroughly tested, indicating safety for many people. However, individual experiences can vary, so discussing any concerns with a healthcare provider is important.12345Why are researchers excited about this trial's treatments?
Researchers are excited about these treatments for amyloidosis because they offer unique approaches compared to current options. Daratumumab, a monoclonal antibody, is used in combination therapies and targets the CD38 protein on plasma cells, which is different from traditional chemotherapy-based treatments. This targeted approach can potentially enhance effectiveness and reduce side effects. Additionally, the trial includes a stem cell transplant arm, which aims to rebuild healthy bone marrow after high-dose chemotherapy, offering a comprehensive treatment strategy for tackling amyloidosis. These innovative methods provide hope for more effective management of this challenging condition.
What evidence suggests that this trial's treatments could be effective for AL amyloidosis?
Research has shown that daratumumab, one of the treatments in this trial, is very effective in treating AL amyloidosis when combined with other medications. In one study, 53.3% of patients achieved a complete response, showing no signs of the disease, compared to 18.1% of those who did not receive daratumumab. Another study found that 70% of patients experienced no worsening of their disease after 28 months on a similar treatment plan.
This trial also includes a treatment option involving melphalan combined with a stem cell transplant. For this combination, 43% of patients achieved a complete response, and among these, 78% saw improvement in their affected organs. This combination also produced long-lasting effects, with many patients living for years without the disease returning.12678Who Is on the Research Team?
Patrick A Hagen
Principal Investigator
SWOG Cancer Research Network
Are You a Good Fit for This Trial?
This trial is for adults with newly diagnosed AL amyloidosis, confirmed by specific tests like urine and serum immunofixation electrophoresis, bone marrow analysis, and biopsy. Participants must have a certain level of light chain difference in their blood and can have had up to one cycle of prior therapy. They should be able to perform daily activities on their own or with some effort (ECOG score 0-2) but may be less mobile due to neuropathy.Inclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Induction
Participants receive daratumumab, cyclophosphamide, bortezomib, and dexamethasone for up to 3 cycles
Consolidation
Participants receive additional cycles of chemotherapy or undergo stem cell transplant
Maintenance
Participants receive maintenance daratumumab and hyaluronidase-fihj for up to 18 cycles
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Daratumumab
- Melphalan
Daratumumab is already approved in European Union, United States for the following indications:
- Relapsed and refractory multiple myeloma
- Newly diagnosed multiple myeloma in combination with bortezomib, melphalan, and prednisone
- Multiple myeloma in patients who have received at least three prior therapies
- Newly diagnosed multiple myeloma in combination with bortezomib, melphalan, and prednisone
- Relapsed or refractory multiple myeloma in combination with lenalidomide and dexamethasone
Find a Clinic Near You
Who Is Running the Clinical Trial?
SWOG Cancer Research Network
Lead Sponsor
National Cancer Institute (NCI)
Collaborator