- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04138381
Selinexor as Single Agent and With Imatinib in Metastatic and/or Unresectable Gastrointestinal Stromal Tumors (SeliGIST) (SeliGIST)
A Multicenter, Phase Ib/II Trial of Selinexor as a Single Agent and in Combination With Imatinib in Patients With Metastatic and/or Unresectable Gastrointestinal Stromal Tumors (GISTs)
This is a single-arm, two cohort, open label phase I/II clinical trial studying the combination of oral imatinib 400 mg, once daily, and oral selinexor given once weekly (Cohort A); and single-agent oral selinexor 60 mg BIW (Cohort B). The study will consist of:
- Cohort A: an initial escalation phase (Ib) evaluating increasing doses of selinexor in combination with fixed doses of imatinib administered in repeated 28-day cycles in advanced/metastatic, imatinib-resistant GIST patients, followed by an expansion phase (II) testing for safety and preliminary evidence of antitumor activity
- Cohort B: single-agent, fixed selinexor dose in the same target population
Study Overview
Status
Intervention / Treatment
Detailed Description
Clinical Study Objectives:
Primary clinical study objective
Cohort A:
1.- To determine the maximum tolerated dose (MTD) and recommended phase II doses (RP2D) of selinexor in combination with imatinib among unresectable and/or metastatic GIST patients with prior failure to at least imatinib for advanced/metastatic disease.
Cohort B:
1. To evaluate the clinical benefit rate (CBR: CR+PR+SD ≥ 16 wks)
Secondary clinical study objectives (both cohorts A and B)
- To evaluate the clinical benefit rate (CBR: CR+PR+ SD ≥ 16 wks)
- To evaluate progression free survival (PFS)
- To evaluate overall survival (OS)
- To evaluate the objective response rate (ORR)
- To evaluate the safety profile according to CTCAE 4.03
- To compare PFS on selinexor and imatinib and on selinexor in monotherapy with PFS on last prior anti-cancer therapy.
Translational Study Objective - To explore the relationship between GIST genotype and CBR with selinexor and imatinib, and selinexor as single-agent
Pharmacokinetics Study Objective
- To measure the plasma concentration of imatinib and selinexor at limited timepoints specificed in schedule of assessment.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Martina Giuppi, MSc
- Phone Number: 658232638
- Email: martina.crc@grupogeis.org
Study Contact Backup
- Name: Melissa Fernandez, PM
- Phone Number: 658232638
- Email: melissacrc@grupogeis.org
Study Locations
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Madrid, Spain, 28046
- Hospital La Paz
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Murcia, Spain, 30120
- Hospital Virgen de la Arrixaca
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Andalucia
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Sevilla, Andalucia, Spain, 41013
- Hospital Virgen del Rocio
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Catalonia
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Barcelona, Catalonia, Spain, 08035
- H Vall d'Hebron
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Islas Canarias
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Tenerife, Islas Canarias, Spain, 238320
- Hospital Universitario de Canarias
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Zaragoza, Aragón
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Zaragoza, Zaragoza, Aragón, Spain, 50009
- Hospital Miguel Servet
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥18 years at the time of study entry.
- Histologically confirmed metastatic and/or unresectable GIST. Patients must demonstrate prior failure to at least imatinib. Any number of previous therapies for GIST is allowed.
- Failure of imatinib is defined as disease progression after ≥ 6 months of treatment with imatinib for advanced/metastatic disease. Exception to this rule is GIST patients with documented KIT or PDGFRA mutations.
- Measurable disease per modified RECIST 1.1.
- ECOG performance status 0 to 2.
Adequate hematopoietic function (within 7 days prior to enrollment):
- Hemoglobin ≥ 9.0 g/dL (90 g/L).
- Absolute neutrophil count ≥ 1000/mm3.
- Platelets ≥ 100,000 /mm3. Patients must have at least a 2-week interval from the last red blood cell (RBC) transfusion and/or growth factor support prior to the Screening hemoglobin and neutrophil assessment. However, patients may receive RBC, growth factor support, and/or platelet transfusions as clinically indicated per institutional guidelines during the study.
Adequate organ function (within 7 days prior to enrollment):
Alanine aminotransferanse (ALT) and aspartate aminotransferanse (AST)
≤2.5 x upper limit of normal (ULN), or ≤ 5.0 x ULN if liver metastases are present.
- Alkaline phosphatase (ALP) limit < 2.5 x ULN or ≤ 5.0 x ULN if liver metastases are present.
- Total serum bilirubin ≤ 2 x ULN. Patients with Gilbert's syndrome must have a total bilirubin of < 3 × ULN.
- Adequate renal function: estimated creatinine clearance of ≥ 30 mL/min, calculated using the formula of Cockroft and Gault
- Patients must be able to swallow oral medication and no malabsorption condition.
- Willingness to use effective means of birth control throughout the duration of clinical study and for at least 3 months after completion of study drug.
- Women of childbearing potential must have a negative pregnancy test performed within 7 days of the start of study drug administration.
- Ability to understand and the willingness to sign a written informed consent document.
Exclusion Criteria:
- Cohort A: Intolerance to first-line treatment imatinib 400mg daily.
- Use of any approved tyrosine kinase inhibitors or investigational agents within 1 week or 5 half-lives of the agent, whichever is shorter, prior to receiving study drugs.
- Participants who have had radiotherapy within 4 weeks prior to study entry.
- Major surgery or significant traumatic injury within 4 weeks prior to study entry.
- Presence of symptomatic or uncontrolled brain or central nervous system metastases.
- Known or suspected allergy or hypersensitivity to the selinexor, imatinib or any of its components.
- Patient has a history of another primary malignancy that has been diagnosed or required therapy within 1 year prior to the first dose of study drug (The following are exempt from the 1-year limit: completely resected basal cell and squamous cell skin cancer, curatively treated localized prostate cancer, and completely resected carcinoma in situ of any site.)
- Unstable cardiovascular function: • Symptomatic ischemia, or • Uncontrolled clinically significant conduction abnormalities (i.e., ventricular tachycardia on antiarrhythmic agents are excluded; 1st degree atrioventricular (AV) block or asymptomatic left anterior fascicular block/right bundle branch block (LAFB/RBBB) will not be excluded), or • Congestive heart failure (CHF) NYHA Class ≥ 3, or • Myocardial infarction (MI) within 3 months. • Left ventricular ejection fraction < 40 %. • Hypertension > 140 mm Hg systolic or > 90 mm Hg diastolic with or without antihypertensive therapy.
- Ongoing infection > Grade 2.
- Patients with any seizure disorder requiring medication.
- HIV-positive individuals on combination antiretroviral.
- Patients with active hepatitis B or C, or chronic hepatitis B or C requiring treatment with antiviral therapy.
- Serious psychiatric or medical conditions that could interfere with treatment.
- Pregnant or lactating females.
- Strong CYP3A4 inhibitors (e.g. clarithromycin, indinavir, itraconazole, ketoconazole , nefazodone , nelfinavir , posaconazole, ritonavir, saquinavir, telithromycin, voriconazole) or strong CYP3A4 inducers (e.g. carbamazepine, phenobarbital, phenytoin, rifampin, St. John's Wort) within 28 days or 5 drug half-lives (if drug half-life in patients is known), whichever is longer, before start of study treatment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: selinexor as a single agent and in combination with imatinib
This is a single-arm, two-cohort, open label phase Ib/II trial studying the combination of oral imatinib 400 mg, once daily, and oral selinexor given once weekly (Cohort A); and single-agent oral selinexor 60 mg BIW (Cohort B). The study will consist of:
|
oral selinexor given once weekly (Cohort A), oral selinexor given BIW (Cohort B)
Other Names:
imatinib 400 mg, once daily (Cohort A)
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum tolerated dose (MTD) for the use of Imatinib in combination with Selinexor
Time Frame: 32 months
|
Maximum tolerated dose (MTD) is defined as the highest dose level with ≤1 out of 6 patients experiencing a dose limiting toxicity (DLT) during the first 28 days of treatment.
Dose escalation cohort (Phase 1b) seeks to determine the frequency and characteristics of DLTs of the selinexor plus imatinib combination at each dose level during the first cycle of therapy.
Phase Ib will be carried out in standard 3+3 format, based on the toxicities found during the first cycle of therapy.
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32 months
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Clinical benefit rate (CBR) for the use of selinexor in monotherapy
Time Frame: 24 months
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Clinical benefit rate (CBR) is defined as CR+PR+SD ≥ 16 wks
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24 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Progression free survival (PFS)
Time Frame: 32 months
|
Efficacy measured by PFS assessed by median time.
PFS is defined as the time between the date of first experimental treatment dose and the date of disease progression (according to RECIST 1.1 criteria).
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32 months
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Overall survival (OS)
Time Frame: 32 months
|
Efficacy measured by OS.
OS is defined as the time between the date of first experimental treatment dose and the date of death due to any cause.
OS will be censored on the last date a subject was known to be alive, or when the last enrolled patiens are followed up to for 12 months, whichever is early.
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32 months
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Objective response rate (ORR)
Time Frame: 32 months
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Efficacy measured by ORR.
ORR is defined as the number of subjects with a best overall response (BOR) of complete response (CR) or partial response (PR) divided by the number of response evaluable subjects (according to RECIST 1.1 and Choi criteria).
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32 months
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Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Time Frame: 32 months
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Safety profile of the experimental treatment, through assessment of adverse event type, incidence, severity, time of appearance, related causes, as well as physical explorations and laboratory tests. Number of participants with treatment-related adverse events as assessed by CTCAE v4.03. Toxicity will be graded and tabulated by using CTCAE 4.03. |
32 months
|
GIST genotype and CBR with selinexor and imatinib (Translational) Study Objective
Time Frame: 32 months
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GIST genotype determinations and its correlation with response to the treatment with selinexor and imatinib in terms of clinical benefit (CBR).
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32 months
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Measure the plasma concentration of imatinib and selinexor (Pharmacokinetics)Study Objective
Time Frame: 32 months
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To measure the plasma concentration of imatinib and selinexor at limited timepoints specificed in schedule of assessment.
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32 months
|
Clinical benefit rate (CBR)
Time Frame: 24 months
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Number of patient with CBR ≥ 30% lasting ≥ 16 weeks
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24 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Chemically-Induced Disorders
- Digestive System Diseases
- Neoplasms, Connective and Soft Tissue
- Neoplasms by Histologic Type
- Neoplasms
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Neoplasms, Connective Tissue
- Sarcoma
- Gastrointestinal Stromal Tumors
- Drug-Related Side Effects and Adverse Reactions
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Protein Kinase Inhibitors
- Imatinib Mesylate
Other Study ID Numbers
- GEIS 41
- 2017-004761-28 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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