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Selinexor serves as an oral selective inhibitor of nuclear export for relapsed refractory multiple myelomaSelinexor offers a new option for relapsed multiple myeloma

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Consider selinexor as an oral selective inhibitor of nuclear export for managing relapsed or refractory multiple myeloma.

This narrative review explores the clinical application of selinexor, an oral selective inhibitor of nuclear export, specifically for the treatment of patients with relapsed or refractory multiple myeloma (RRMM). The scope of the review includes an assessment of both the efficacy of the intervention and the management of associated adverse events.

The authors synthesize information regarding the use of selinexor in the RRMM population. While specific primary data points and p-values are not reported in the summary, the review highlights the clinical utility of selinexor and the necessity of managing specific adverse effects, including thrombocytopenia and gastrointestinal reactions. The review serves as a practical, evidence-based reference for clinicians to navigate the treatment landscape for these patients.

Limitations of the review include the absence of specific trial-level data in the summary and the lack of reported follow-up durations or specific outcome metrics. The clinical relevance is focused on providing a framework for the safe and effective administration of selinexor. Clinicians should note that the review synthesizes evidence from specific trials, such as STORM and BOSTON, but does not provide the raw primary data from those trials in this summary.

How this fits prior evidence

This narrative review addresses a gap in clinical management by providing a practical reference for selinexor in relapsed or refractory multiple myeloma. It complements existing knowledge on other treatments, such as bispecific antibody therapy which shows a 78.51% ORR but high infection rates, and mezigdomide plus carfilzomib and dexamethasone which improves progression-free survival to 18.0 months. Unlike the conceptual SOIRM framework or the use of ctDNA and D-dimer as risk markers, this review focuses on the practical application of a specific oral inhibitor.

Living with multiple myeloma is a constant battle, especially when the cancer returns or stops responding to initial treatments. For these patients, finding a new path forward is vital. Selinexor is an oral medication that targets a specific process in the cell to help manage this type of cancer.

This review looks at how selinexor works for people with relapsed or refractory multiple myeloma. While the drug shows promise in its ability to treat the disease, it is not without its challenges. Patients taking this medication may experience side effects like gastrointestinal reactions or thrombocytopenia, which is a medical term for a low count of platelets in the blood.

Because this is a narrative review, it summarizes existing evidence rather than providing new trial data. It serves as a guide for doctors to help them manage the medication safely and effectively. If you are facing these challenges, talk to your doctor about how this treatment fits into your specific care plan.

What this means for you:
Selinexor is a promising oral option for relapsed multiple myeloma, but patients must manage side effects like low platelets.

Common questions

What is selinexor and how does it work?

Selinexor is an oral medication that acts as a selective inhibitor of nuclear export. It is used to treat patients with relapsed or refractory multiple myeloma. It works by targeting specific cellular processes to help manage the cancer.

What are the side effects of selinexor?

Patients taking selinexor may experience gastrointestinal reactions and thrombocytopenia. Thrombocytopenia is a medical term for having a low count of platelets in the blood. Doctors use this information to manage the medication safely for patients.

Who can benefit from this treatment?

This treatment is specifically for patients with relapsed or refractory multiple myeloma. This means it is intended for people whose cancer has returned or has stopped responding to previous treatments.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedOct 2026
View Original Abstract ↓
The treatment of relapsed/refractory multiple myeloma (RRMM) remains a significant clinical challenge, particularly for patients with multidrug resistance, who have a poor prognosis and limited therapeutic options. Selinexor, as the world's first oral selective inhibitor of nuclear export (SINE), targets the XPO1 protein, offering a novel treatment mechanism distinct from traditional agents for RRMM. This narrative review systematically synthesizes the mechanism of action of Selinexor and critically evaluates evidence from key clinical studies (such as the STORM and BOSTON trials). It focuses on discussing its clinical positioning across different scenarios and its combination strategies with commonly used regimens (e.g., SVd). It also addresses standardized, proactive management pathways for its characteristic adverse effects (e.g., thrombocytopenia, gastrointestinal reactions). These strategies are tailored to patient stratification (such as triple-/penta-refractory, elderly/frail patients). The aim is to provide clinicians with a practical, evidence-based reference for the safe and effective application of this drug to optimize treatment outcomes for RRMM patients.
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