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Spots Global Cancer Trial Database for Bortezomib-based Regimen for Refractory or Relapsed Acute Lymphoblastic Leukemia

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Trial Identification

Brief Title: Bortezomib-based Regimen for Refractory or Relapsed Acute Lymphoblastic Leukemia

Official Title: Bortezomib-based Regimen for Refractory or Relapsed Acute Lymphoblastic Leukemia in Adults

Study ID: NCT06034561

Interventions

Bortezomib

Study Description

Brief Summary: This is a interventional phase II study aiming to examine the complete response rate of a bortezomib-based salvage regimen in adults with refractory or relapsed acute lymphoblastic leukemia (ALL), seeking to compare outcomes with the available literature and with our historical data on relapsed/refractory ALL.

Detailed Description: Acute lymphoblastic leukemia (ALL) is a rare neoplasm in adults, with long-term survival rates approaching 50% with current regimens. Although high rates of complete response are achieved with the first-line therapy, many patients are primary refractory or may further relapse. Arguably, these patients have a more resistant disease with higher risk genetic alterations and a much less likely to be cured, which almost always only can be obtained by a following allogeneic hematopoietic stem-cell transplantation (HSCT). Therefore, strategies to salvage patients with detectable disease after induction blocks or with relapsed disease are crucial to prolong survival and potentially cure those patients, working as a bridge therapy to HSCT. Historically, patients with relapsed/refractory ALL have received multidrug regimens based on high-dose cytarabine, such as fludarabine, cytarabine and idarubicin (FLAG-IDA). Those regimens provide a 30-40% complete response rate with non-negligible toxicity. Recently, new targeted agents such as blinatumomab, inotuzumab, and cellular therapies have arisen for B-lineage disease, even though these agents are not available in the public health setting. Previous studies have tested salvage regimens for ALL encompassing proteasome inhibitors plus highly synergistic drugs (dexamethasone, vincristine, asparaginase, doxorubicin), with exciting outcomes in limited case series. For adults, these regimens are less studied. However, preliminary data suggest that they are less toxic and more potent since patients can receive different drug combinations that they had not been exposed to before. The primary objective of this study is to examine the complete response rate of this regimen in our population, aiming to compare with the available literature and with our historical data on relapsed/refractory ALL. Secondary objectives are: 1. To determine the safety and feasibility of a bortezomib-based regimen for salvage relapsed/refractory ALL in our setting. 2. To determine the rate of patients who are able to proceed with HSCT after the treatment. 3. To calculate event-free survival and overall survival after the salvage regimen for relapsed/refractory ALL. 4. To calculate the rate of measurable residual disease (MRD) negative status after the treatment. 5. To examine the rate of febrile neutropenia, liver toxicity, neurotoxicity, and treatment-related mortality after this regimen in relapsed/refractory ALL.

Eligibility

Minimum Age: 16 Years

Eligible Ages: CHILD, ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Instituto do Cancer do Estado de Sao Paulo, São Paulo, SP, Brazil

Contact Details

Name: Wellington Silva, MD PhD

Affiliation: Instituto do Cancer do Estado de Sao Paulo

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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