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Selinexor (KPT-330) in Patients With Relapsed/Refractory Diffuse Large B-Cell Lymphoma (DLBCL)

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ClinicalTrials.gov Identifier: NCT02227251
Recruitment Status : Recruiting
First Posted : August 28, 2014
Last Update Posted : November 18, 2021
Sponsor:
Information provided by (Responsible Party):
Karyopharm Therapeutics Inc

Brief Summary:
A multicenter, open-label Phase 2b study of selinexor (KPT-330) in participants with relapsed/refractory (R/R) diffuse large B-cell lymphoma (DLBCL) who have no therapeutic options of demonstrated clinical benefit.

Condition or disease Intervention/treatment Phase
Diffuse Large B-cell Lymphoma Drug: Selinexor Phase 2

Detailed Description:
This is a multicenter, open label, Phase 2b study of the selective inhibitor of nuclear export (SINE) selinexor (40 or 60 milligrams [mg]) given orally (PO) to participants with R/R DLBCL). The study is being conducted in 2 parts (Part 1 and Part 2). For Part 1, a fixed 60 mg dose of selinexor is given orally to 130 participants with R/R DLBCL who have no therapeutic options of demonstrated clinical benefit and who meet eligibility criteria and have none of the exclusion criteria will be enrolled to receive selinexor until either disease progression or intolerance has occurred. For Part 2, approximately 110 participants (55 in each arm) are planned to be enrolled. Participants will be randomized (open label) in a 1:1 ratio to either Arm A (40 mg) or Arm B (60 mg) and will be stratified based on history of prior autologous stem cell transplantation (ASCT) versus no prior ASCT. All the participants will be followed until disease progression and/or death.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 244 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 2b Open-label Study of Selinexor (KPT-330) in Patients With Relapsed/Refractory Diffuse Large B-Cell Lymphoma (DLBCL)
Actual Study Start Date : November 2014
Estimated Primary Completion Date : August 2022
Estimated Study Completion Date : December 2024

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Lymphoma
Drug Information available for: Selinexor

Arm Intervention/treatment
Experimental: Part 1: Selinexor 60 mg
Participants received fixed dose of 60 mg selinexor orally, twice weekly (BIW) on Days 1 and 3 (e.g., Monday and Wednesday or Tuesday and Thursday, etc.) of Weeks 1-4 of each four week (each cycle of 28 days) cycle (total of 8 doses per cycle).
Drug: Selinexor
Dose: 60 mg (BIW); Dosage form: film-coated (20 mg each) immediate release tablets; Route of administration: Oral
Other Name: KPT-330

Experimental: Part 2: Arm A-Selinexor 40 mg
Participants received selinexor 40 mg orally BIW on Days 1 and 3 of each week of 4-week treatment cycles (28 days) until disease progression (total of 8 doses per cycle).
Drug: Selinexor
Dose: 40 mg (BIW); Dosage form: film-coated (20 mg each) immediate release tablets; Route of administration: Oral
Other Name: KPT-330

Experimental: Part 2: Arm B-Selinexor 60 mg
Participants received selinexor 60 mg orally BIW on Days 1 and 3 of each week of 4-week treatment cycles) for 2 cycles (each cycle of 28 days) followed by 60 mg once weekly (QW) in the subsequent cycles until disease progression (total of 8 doses per cycle).
Drug: Selinexor
Dose: 60 mg (BIW) and 60 mg (QW); Dosage form: film-coated (20 mg each) immediate release tablets; Route of administration: Oral
Other Name: KPT-330




Primary Outcome Measures :
  1. Part 1: Overall Response Rate (ORR) [ Time Frame: One year ]
    Assessed according to the revised response criteria based on the Guidelines of the International Working Group (IWG).

  2. Part 2: Overall Response Rate (ORR) Based on Lugano Criteria [ Time Frame: From initial randomization until date of disease progression or death (maximum of 1 year from Part 2 randomization) ]
    Assessed according to the response assessment of lymphoma based on Lugano classification.


Secondary Outcome Measures :
  1. Part 1: Duration of Response (DOR) [ Time Frame: From time of first response until disease progression or death (maximum of 1 year from Part 1 randomization) ]
  2. Part 1: Disease Control Rate (DCR) [ Time Frame: From initial response until disease progression or death (maximum of 1 year from Part 1 randomization) ]
  3. Part 1: Number of Participants with Treatment-emergent Adverse Events (TEAEs) [ Time Frame: From Baseline up to 30 days after last dose (maximum of 1 year from Part 1 randomization) ]
  4. Part 1: Number of Participants with Eastern Cooperative Oncology Group (ECOG) Performance Status [ Time Frame: From Baseline up to 30 days after last dose (maximum of 1 year from Part 1 randomization) ]
  5. Part 2: Duration of response (DOR) [ Time Frame: From time of first response (Part 2) until disease progression or death (maximum of 1 year from Part 2 randomization) ]
  6. Part 2: Disease control rate (DCR) [ Time Frame: From initial response (Part 2) until disease progression or death (maximum of 1 year from Part 2 randomization) ]
  7. Part 2: Overall Response Rate (ORR) Based on Modified Lugano Criteria [ Time Frame: From initial randomization until date of disease progression or death (maximum of 1 year from Part 2 randomization) ]
  8. Part 2: Number of Participants with Treatment-emergent Adverse Events [ Time Frame: From Baseline up to 30 days after last dose (maximum of 1 year from Part 2 randomization) ]
  9. Part 2: Number of Participants with Eastern Cooperative Oncology Group (ECOG) Performance Status [ Time Frame: From Baseline up to 30 days after last dose (maximum of 1 year from Part 2 randomization) ]


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria (Parts 1 and 2):

  • Written informed consent in accordance with federal, local, and institutional guidelines. The participant must provide informed consent prior to the first screening procedure.
  • Age greater than or equal to (≥) 18 years.
  • ECOG performance status of less than or equal to (≤) 2.
  • Participants should have estimated life expectancy of greater than (>) 3 months at study entry.
  • Previously treated, pathologically confirmed de novo DLBCL, or DLBCL transformed from previously diagnosed indolent lymphoma (e.g., follicular lymphoma).
  • Participants must have received at least 2 but no more than 5 previous systemic regimens for the treatment of their de novo or transformed DLBCL including (i) at least 1 course of anthracycline-based chemotherapy (unless absolutely contraindicated due to cardiac dysfunction, in which case other active agents such as etoposide, bendamustine, or gemcitabine must have been given) and (ii) at least 1 course of anti-CD20 immunotherapy (e.g., rituximab), unless contraindicated due to severe toxicity. Participants who were considered ineligible for standard multi-agent immunochemotherapy must have received at least 2 and no more than 5 prior treatment regimens including at least 1 course of anti-CD20 antibodies and must be approved by the Medical Monitor. Prior stem cell transplantation is allowed; induction, consolidation, stem cell collection, preparative regimen and transplantation ± maintenance are considered a single line of therapy.
  • Female participants of child-bearing potential must have a negative serum pregnancy test at screening and agree to use reliable methods of contraception for 3 months after their last dose of medication. Male participants must use a reliable method of contraception if sexually active with a female of child-bearing potential. For both male and female participants, effective methods of contraception must be used throughout the study and for 3 months following the last dose.

Part 1 additional inclusion criteria:

  • For participants whose most recent systemic anti-DLBCL therapy induced a PR or CR, at least 60 days must have elapsed since the end of that therapy. For all other participants, at least 14 weeks (98 days) must have elapsed since the end of their most recent systemic anti-DLBCL therapy. . Palliative localized radiation within the therapy-free interval is allowed. Non-chemotherapy maintenance will not be considered anti DLBCL therapy, and therefore is allowed during the therapy-free interval.
  • Documented clinical or radiographic evidence of progressive DLBCL prior to dosing.
  • Participants must have measurable disease per the revised criteria for response assessment of lymphoma. Lymph nodes should be considered abnormal if the long axis is >1.5 centimeter (cm), regardless of the short axis. If a lymph node has a long axis of 1.1 to 1.5 cm, it should only be considered abnormal if its short axis is >1.0. Lymph nodes ≤1.0 by ≤1.0 will not be considered abnormal for relapse or PD.

Part 2 additional inclusion criteria:

• At least 3 weeks (21 days) must have elapsed since the end of participant's most recent systemic anti-DLBCL therapy (prior to Cycle 1 Day 1). Palliative localized radiation within the therapy-free interval is allowed.Non-chemotherapy maintenance will not be considered anti-DLBCL therapy, and therefore is allowed during the therapy-free interval.

• Adequate hematopoietic function: (i) Hemoglobin ≥10.0 grams per deciliters (g/dL) within 14 days of starting therapy (participant may receive red blood cell [RBC] transfusion within 14 days).

(ii) Absolute neutrophil count ≥1000 cells/millimeter (mm^3) (use of granulocyte growth factors prior to and during the study is acceptable).

(iii) Platelet count ≥100,000/mm^3 within 14 days of starting therapy (use of platelet growth factors prior to and during the study is acceptable).

  • Participants must have measurable disease per the revised criteria for response assessment of lymphoma. Lymph nodes should be considered abnormal if the long axis is >1.5 cm, regardless of the short axis. Extranodal lesion should be considered abnormal if the long axis is >1.0 cm.

Exclusion Criteria (Parts 1 and 2):

  • Participants who are pregnant or lactating.
  • Primary mediastinal (thymic) large B-cell lymphoma (PMBL)
  • Participants must not be eligible for high-dose chemotherapy with autologous stem cell transplantation rescue (Investigator must provide detailed documentation for ineligibility).
  • Participants who have not recovered to Grade ≤1 clinically significant adverse events, or to their baseline, from their most recent systemic anti-DLBCL therapy.
  • Major surgery within 2 weeks of first dose of study treatment.
  • Participants with active hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV) infections.
  • Psychiatric illness or substance use that would prevent the participant from giving informed consent or being compliant with the study procedures.
  • Any of the following laboratory abnormalities:

    (i) A circulating lymphocyte count of >50,000/L. (ii) Hepatic dysfunction: bilirubin >2.0 times the upper limit of normal (ULN) (except participants with Gilbert's syndrome: total bilirubin of >3*ULN) and alanine aminotransferase (ALT) and aspartate aminotransferase (AST) >2.5 times ULN. In participants with known liver involvement of their DLBCL, AST and ALT >5*ULN.

(iii) Severe renal dysfunction: estimated creatinine clearance of <30 mL/min, measured in 24-hour urine or calculated using the formula of Cockroft and Gault [(140-Age)*Mass (kg)/(72*creatinine mg/dL); multiply by 0.85 if female].

  • Any life-threatening illness, medical condition, or organ system dysfunction which, in the Investigator's opinion, could compromise the participant's safety.
  • Participants with active graft-versus-host disease after allogeneic stem cell transplantation. At least 4 months must have elapsed since completion of allogeneic stem cell transplantation.
  • Uncontrolled (i.e., clinically unstable) infection requiring parenteral antibiotics, antivirals, or antifungals on Cycle 1 Day 1; however, prophylactic use of these agents is acceptable even if parenteral.
  • Participants unable to swallow tablets, participants with malabsorption syndrome, or any other gastrointestinal disease or gastrointestinal dysfunction that could interfere with absorption of study treatment.

Part 1 additional exclusion criteria:

  • For participants whose most recent systemic anti-DLBCL therapy induced a PR or CR: Radiation, chemotherapy, immunotherapy, radio-immunotherapy, or any other anticancer therapy other than glucocorticoids <60 days or <14 weeks prior to Cycle 1 Day 1.
  • Known central nervous system lymphoma or meningeal involvement.
  • DLBCL with mucosa-associated lymphoid tissue [MALT] lymphoma, composite lymphoma (Hodgkin's lymphoma+NHL), or DLBCL transformed from diseases other than indolent NHL.
  • Unstable cardiovascular function:

    (i) Symptomatic ischemia, or (ii) Uncontrolled clinically significant conduction abnormalities (i.e., ventricular tachycardia on anti-arrhythmia are excluded; 1st degree atrioventricular block or asymptomatic left anterior fascicular block /right bundle branch block will not be excluded), or (iii) Congestive heart failure of New York Heart Association Class ≥3, or (iv) Myocardial infarction within 3 months.

  • Participants with a BSA <1.4 m^2 as calculated per Dubois 1916 or Mosteller 1987.
  • Any of the following laboratory abnormalities:

    (i) Absolute neutrophil count (ANC) <1000 cells/mm^3 or platelet count <75,000/mm^3 during screening and on Cycle 1 Day 1. Use of granulocyte-stimulating factors and platelet growth factors prior to and during the study is acceptable.

(ii) Hematopoietic dysfunction: hemoglobin < 10.0 g/dL within 14 days of and including Cycle 1 Day 1 and/or patients receiving red blood cell (RBC) transfusion within 14 days of and including Cycle 1 Day 1.

  • Participants who have been committed to an institution by official or judicial order.
  • Participants with dependency on the Sponsor, Investigator or study site.

Part 2 additional exclusion criteria:

  • Participants with active HBV, HVC, or HIV infections. Participants with active HBV are allowed if antiviral therapy for hepatitis B has been given for >8 weeks and viral load is <100 International units per milliliters (IU/mL) prior to first dose of study treatment. Participants with known history of HCV or found to be HCV antibody positive on screening, are allowed if there is documentation of negative viral load per institutional standard. Participants with HIV who have CD4+T-cell counts ≥350 cells/microliter (mcL), negative viral load per institutional standard, and no history of acquired immune deficiency syndrome (AIDS)-defining opportunistic infections in the last year are allowed.
  • Known active central nervous system lymphoma or meningeal involvement. Participants with a history of CNS disease treated into remission may be enrolled.
  • DLBCL with MALT lymphoma, composite lymphoma (Hodgkin's lymphoma + NHL), DLBCL arising from CLL (Richter's transformation), or high-grade B-cell lymphoma.
  • Received strong cytochrome P450 3A (CYP3A) inhibitors ≤7 days prior to Day 1 dosing or strong CYP3A inducers ≤14 days prior to Day 1 dosing.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02227251


Contacts
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Contact: Michael Kauffman, MD, PhD (617) 658-0600 mkauffman@karyopharm.com
Contact: Sharon Shacham, PhD (617) 658-0600 sshacham@karyopharm.com

Locations
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Sponsors and Collaborators
Karyopharm Therapeutics Inc
Investigators
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Study Director: Michael Kauffman, MD, PhD Karyopharm Therapeutics Inc
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

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Responsible Party: Karyopharm Therapeutics Inc
ClinicalTrials.gov Identifier: NCT02227251    
Other Study ID Numbers: KCP-330-009
2014-001977-15 ( EudraCT Number )
First Posted: August 28, 2014    Key Record Dates
Last Update Posted: November 18, 2021
Last Verified: November 2021
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Karyopharm Therapeutics Inc:
Diffuse large B-cell Lymphoma
DLBCL
Karyopharm
KPT-330
selinexor
Additional relevant MeSH terms:
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Lymphoma
Lymphoma, B-Cell
Lymphoma, Large B-Cell, Diffuse
Neoplasms by Histologic Type
Neoplasms
Lymphoproliferative Disorders
Lymphatic Diseases
Immunoproliferative Disorders
Immune System Diseases
Lymphoma, Non-Hodgkin