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Two-Case Report Evaluates Lisaftoclax Plus Ixazomib and Dexamethasone in Relapsed Multiple MyelomaReport reveals disease control in two high-risk myeloma patients

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Key Takeaway
Interpret findings cautiously for ultra-high-risk multiple myeloma post-CAR-T, noting low certainty due to 2 patients.

This publication is a case report funded by the China Cancer Foundation under Project No.: CFC2023WJZD003. It focuses on 2 patients with transplant-ineligible relapsed or refractory ultra-high-risk multiple myeloma. The intervention involved lisaftoclax combined with ixazomib and dexamethasone as maintenance therapy following CAR-T cell therapy. The study setting was not reported. The phase was not reported. Comparator was not reported.

The main results indicate that 2 patients achieved durable disease control with MRD negativity. No specific adverse events, serious adverse events, or discontinuations were reported in the provided data. The direction of the outcome was positive regarding disease control. Primary and secondary outcomes were not reported. Effect size was not reported.

The authors note low certainty due to the small sample size of 2 and the case report design. Causality is not established via controlled trial. The authors suggest formal evaluations of this regimen may be meaningful. Limitations were not reported. Funding source was reported.

This offers a promising therapeutic option for patients with limited treatment choices. However, clinicians should interpret these findings cautiously given the observational nature. Safety and tolerability data were not reported. Follow-up duration was not reported. No p-values or confidence intervals were reported.

Facing ultra-high-risk multiple myeloma often feels like running out of road. Patients who cannot undergo transplant and face relapse desperately need new hope. This report looks at a specific drug combination used after CAR-T cell therapy. It targets those with limited treatment options.

Two patients received a maintenance regimen called ILD. This mix included lisaftoclax, ixazomib, and dexamethasone. The result was promising. Both individuals achieved durable disease control with MRD negativity. MRD negativity means doctors could not find any cancer cells in their blood. This suggests the treatment worked well for these specific people.

However, we must look closely at the evidence. This report used a case report design involving only two people. The study does not prove causality through a controlled trial. Certainty remains low because the sample size is so small. The report did not share safety details, so we do not know about side effects.

Despite these limits, this offers a potential path for patients with very few choices. Formal evaluations of this regimen may be meaningful. It highlights a possible direction for future research without guaranteeing success for everyone. We need more data to confirm if this helps others.

What this means for you:
Two patients saw disease control, yet low certainty limits what we know about this drug combo.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedApr 2026
View Original Abstract ↓
Multiple myeloma (MM) is an incurable malignancy. The treatment mainly includes induction therapy, minimal residual disease (MRD) clearance therapy, and maintenance therapy. For high-risk/ultra-high-risk (UHR) or relapsed/refractory MM, optimizing the eradication of MRD and sustaining long-term suppression of MRD at low levels are a formidable challenge. Ixazomib (I) is a reversible proteasome inhibitor (PI) that is available orally as the prodrug ixazomib citrate. Lisaftoclax is a novel, potent, selective BCL-2 inhibitor under clinical development for the treatment of patients with hematologic malignancies or solid tumors and has shown clinical antitumor benefit. Herein, we report two patients with relapsed/refractory UHR MM who achieved durable disease control with MRD negativity after receiving ixazomib, lisaftoclax, and dexamethasone (ILD) as maintenance therapy following B Cell Maturity Antigen BCMA–chimeric antigen receptor (CAR)-T cell therapy. Regarding the treatment regimen, all drugs were administered orally: ixazomib 4 mg d1, d8, and d15; lisaftoclax 400 mg d1–d14; and dexamethasone 20 mg d1, d8, and d15. One treatment cycle is defined as 28 days. Treatment will be discontinued in the event of uncontrollable active infection or organ injury. These cases demonstrate that the ILD combination therapy can optimize MRD eradication and sustain long-term MRD suppression, offering a promising therapeutic option for patients with limited treatment choices. Formal evaluations of this regimen in patients with high-risk/ultra-high-risk or relapsed/refractory MM may be meaningful. This study was supported by the China Cancer Foundation (Project No.: CFC2023WJZD003).
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