Clinical trial · Interventional
Selinexor in Initial or Refractory and/or Relapsed Richter's Transformation
A Phase 2 Study of the Safety and Anti-tumor Activity of the Oral Selective Inhibitor of Nuclear Export (SINE) Selinexor (KPT-330) in Patients With Initial or Refractory and/or Relapsed Richter's Transformation (RT)
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Why stopped (as posted): Lack of efficacy at time of interim analysis
Summary
Brief summary (as posted)
This is a multi-center, phase 2, single arm, open-label study of oral selinexor monotherapy in patients with Richter's Transformation, arising in the setting of prior chronic lymphocytic leukemia (CLL), after at least one chemo-immunotherapy regimen for CLL.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Richter's Transformation | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| selinexor | Drug | Selinexor | ALIAS |
Design
Arms and outcomes
Arms (1)
- type
- EXPERIMENTAL
- label
- selinexor
- description
- oral tablets * 10 mg \& 25 mg (bottled); or * 20 mg (blister pack)
- interventionNames
- Drug: selinexor
Primary outcomes (6)
- measure
- Percentage of Participants With Overall Response (Overall Response Rate)
- timeFrame
- Assessments were performed at Screening or Cycle 1/Day 1 prior to dosing and on Cycle 3/Day 1 and alternate cycles thereafter until disease progression, study drug intolerability had been reached, study withdrawal, or death.
- description
- Overall Response Rate (ORR) is defined as the point estimate of the percentage of patients who have complete response (CR) or partial response (PR). Disease response was assessed using the International Working Group (IWG) Response Criteria for non-Hodgkin's lymphoma (Cheson 2007), including assessment of lymph node, spleen and liver lesions by PET (positron emission tomography) scan and assessment of bone marrow biopsies by morphologic, immunohistochemistry, and flow cytometry tests. CR was defined as disappearance of all evidence of disease, and PR was defined as ≥ 50% regression of measurable disease and no new sites.
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Richter's Transformation, arising in the setting of prior CLL, documented by histologically confirmed lymphoma, including large B-cell and immunoblastic variants. * All patients must have received at least one prior regimen for CLL, including cytotoxic chemotherapy, anti-CD20 monoclonal antibodies, a BTK inhibitor, or a PI3K inhibitor. Patients may have received high dose chemotherapy/autologous stem cell transplant (HDT/ASCT) or allogeneic hematopoietic stem cell transplant (allo SCT). * One or more measurable (\> 1.5 cm in longest dimension) disease sites on CT (preferably PET/CT) or, if CT is contraindicated, MRI (preferably PET/MRI) scans. * Objective documented evidence of disease progression at study entry * Eastern Cooperative Oncology Group (ECOG) performance status score of ≤ 2 Exclusion Criteria: * Radiation, chemotherapy, or immunotherapy or any other anticancer therapy ≤ 2 weeks prior to Cycle 1 Day 1, except ibrutinib which may be continued until one day prior to initiation of selinexor; radio-immunotherapy 4 weeks prior to Cycle 1 Day 1. Patients must have recovered to Grade ≤ 1 from clinically significant adverse effects. * Prolymphocytic transformation * Less than 1 month since completion of autologous stem cell transplantation or less than 3 months since completion of allogeneic stem cell transplantation * Major surgery within 4 weeks of C1D1 * Impairment of GI function or GI disease that could interfere with the absorption of selinexor, including obstructed GI tract and uncontrolled vomiting or diarrhea. * Inability or unwillingness to take supportive medications including a centrally acting appetite stimulant (e.g., mirtazapine or olanzapine) and a peripherally acting appetite stimulant (e.g., low dose glucocorticoids or megesterol acetate).
References
Publications (1)
- BACKGROUNDCheson BD, Pfistner B, Juweid ME, Gascoyne RD, Specht L, Horning SJ, Coiffier B, Fisher RI, Hagenbeek A, Zucca E, Rosen ST, Stroobants S, Lister TA, Hoppe RT, Dreyling M, Tobinai K, Vose JM, Connors JM, Federico M, Diehl V; International Harmonization Project on Lymphoma. Revised response criteria for malignant lymphoma. J Clin Oncol. 2007 Feb 10;25(5):579-86. doi: 10.1200/JCO.2006.09.2403. Epub 2007 Jan 22. PMID 17242396