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Selinexor and Pembrolizumab for the Treatment of Cisplatin-Ineligible or Cisplatin-Refractory Locally Advanced or Metastatic Urothelial Carcinoma

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ClinicalTrials.gov Identifier: NCT04856189
Recruitment Status : Recruiting
First Posted : April 23, 2021
Last Update Posted : April 23, 2021
Sponsor:
Collaborators:
Karyopharm Therapeutics Inc
National Cancer Institute (NCI)
Information provided by (Responsible Party):
Mamta Parikh, University of California, Davis

Brief Summary:
This phase Ib/II trial finds the best dose of selinexor and its effect with pembrolizumab in treating patients with urothelial carcinoma that are not eligible to receive the chemotherapy drug cisplatin, or have been given cisplatin and the cancer has gotten worse. Patients must also have urothelial carcinoma that has spread locally, near where it started (locally advanced), or has spread to other parts of the body (metastatic). Selinexor may stop the growth of tumor cells by blocking a protein, called XPO1, that is needed for cell growth. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving selinexor and pembrolizumab may kill more tumor cells.

Condition or disease Intervention/treatment Phase
Advanced Urothelial Carcinoma Locally Advanced Urothelial Carcinoma Metastatic Urothelial Carcinoma Refractory Urothelial Carcinoma Biological: Pembrolizumab Drug: Selinexor Phase 1 Phase 2

Detailed Description:

PRIMARY OBJECTIVES:

I. To determine the recommended phase 2 dose (RP2D) of selinexor in combination with standard-dose pembrolizumab in patients with advanced urothelial carcinoma who are cisplatin-ineligible or platinum-refractory. (Phase Ib) II. To determine the objective response rate (ORR) of selinexor in combination with pembrolizumab in patients with advanced urothelial carcinoma who are cisplatin-ineligible or platinum-refractory. (Phase II)

SECONDARY OBJECTIVES:

I. To further evaluate the toxicity profile of the combination of selinexor with pembrolizumab in patients with advanced urothelial carcinoma.

II. To further evaluate the efficacy of the combination of selinexor with pembrolizumab in patients with advanced urothelial carcinoma as defined by progression-free survival (PFS).

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 12 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase Ib/II Study of Selinexor Plus Pembrolizumab in Cisplatin-Ineligible or Cisplatin-Refractory Patients With Advanced Urothelial Carcinoma
Actual Study Start Date : April 8, 2021
Estimated Primary Completion Date : May 1, 2023
Estimated Study Completion Date : May 1, 2024

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: Treatment (selinexor, pembrolizumab)
Patients receive selinexor PO on days 1, 8 and 15, and pembrolizumab IV over 30 minutes on day 1. Cycles repeat every 21 days for 24 months in the absence of disease progression or unacceptable toxicity.
Biological: Pembrolizumab
Given IV
Other Names:
  • Keytruda
  • Lambrolizumab
  • MK-3475
  • SCH 900475

Drug: Selinexor
Given PO
Other Names:
  • ATG-010
  • CRM1 Nuclear Export Inhibitor KPT-330
  • KPT-330
  • Selective Inhibitor of Nuclear Export KPT-330
  • SINE KPT-330
  • Xpovio




Primary Outcome Measures :
  1. Recommended phase 2 dose (RP2D) (Phase Ib) [ Time Frame: Up to 2 cycles (each cycle is 21 days) ]
    Defined by dose-limiting toxicity (DLTs). Dose limiting toxicities will be listed according to dose level. Separately by dose level and the expansion cohort (as well as for the total RP2D cohort), adverse events (AEs) will be summarized as number of patients according to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 term and grade, where grade is the maximum across a patient's treatment period.

  2. Objective response rate (ORR) (Phase II) [ Time Frame: Up to 2 years ]
    ORR, calculated as the total number of patients with a confirmed complete response or partial response, will be reported as a percentage of total evaluable patients. Response will be reported using Response Evaluation Criteria in Solid Tumor 1.1 definitions. ORR will be summarized by exact binomial 95% confidence intervals (CI).


Secondary Outcome Measures :
  1. Incidence of grade 3 or higher AEs [ Time Frame: Up to 2 years ]
    Defined by NCI CTCAE version 5. The number (%) of patients who experience >= 1 grade 3-5 AEs will be reported, as well as the proportion with exact binomial 95% CI.

  2. Progression-free survival (PFS) [ Time Frame: From enrollment to trial to time of disease progression or death from any cause, assessed up to 2 years ]
    Assessed with Kaplan-Meier plot and estimate of median PFS with 95% CI.



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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:

  • Pathologically confirmed locally advanced or metastatic urothelial carcinoma by histology
  • Measurable disease by Response Evaluation Criteria in Solid Tumors (RECIST) version (v)1.1
  • Not eligible to receive cisplatin-based chemotherapy due to renal dysfunction (defined as creatinine clearance [CrCl] =< 60 mL/min), > grade 2 peripheral neuropathy, or ototoxicity (defined as >= grade 2 hearing loss); OR unwillingness of patient to receive cisplatin; OR progressed on one platinum-based chemotherapy regimen for advanced disease
  • May have had neoadjuvant or adjuvant platinum-based chemotherapy or intravesical therapy in the past
  • >= 18 years of age
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0, 1 or 2
  • Life expectancy >= 3 months
  • Absolute neutrophil count (ANC) >= 1.5 × 10^9/L
  • Platelet count >= 100 × 10^9/L
  • Hemoglobin >= 9 g/dL (may have been transfused)
  • Total bilirubin level =< 1.5 x the upper limit of normal (ULN) range (except patients with Gilbert's syndrome who must have a total bilirubin of < 3 x ULN)
  • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels =< 2.5 x ULN, or AST and ALT levels =< 5 x ULN (for subjects with documented metastatic disease to the liver)
  • Creatinine clearance >= 30 mL/min by Cockcroft-Gault formula
  • Subjects with active hepatitis B virus (Hep B) are allowed if antiviral therapy for hepatitis B has been given for > 8 weeks and viral load is < 100 IU/mL prior to first dose of trial treatment. Subjects with untreated hepatitis C virus (HCV) are allowed. Subjects with human immunodeficiency virus (HIV) who have CD4+ T-cell counts >= 350 cells/uL and no history of acquired immunodeficiency syndrome (AIDS)-defining opportunistic infections in the last year are allowed
  • Willingness to undergo mandatory pre-treatment biopsy (unless there is adequate archival tumor specimen available for PD-L1 IHC evaluation)
  • Female subjects who are of non-reproductive potential (i.e., post-menopausal by history - no menses for >= 1 year; OR history of hysterectomy; OR history of bilateral tubal ligation; OR history of bilateral oophorectomy). Or, female subjects of childbearing potential must have a negative serum or urine pregnancy test within 72 hours prior to the first study drug administration
  • Male and female subjects who are of reproductive potential must agree to use highly effective method of birth control (e.g., implants, injectables, birth control pills with two hormones, intrauterine devices [IUDs], complete abstinence or sterilized partner, and female sterilization) and a barrier method (e.g., condoms, vaginal ring, sponge, etc.) during the period of therapy and for 4 months after the last dose of study drug
  • Ability to understand and willingness to sign an informed consent form
  • Ability to adhere to the study visit schedule and other protocol requirements
  • Must be able to swallow study drug

Exclusion Criteria:

  • Receiving radiation =< 14 days prior to enrollment to the site of selected target lesions
  • Systemic therapy for cancer =< 21 days prior to enrollment
  • Autoimmune disorder requiring active therapy as defined by corticosteroids at a dose >= 10 mg oral prednisone or the equivalent or requiring chronic immunosuppressive therapy
  • Use of corticosteroids =< 14 days prior to enrollment at a dose of >= 10 mg oral prednisone or the equivalent per day
  • Received immune checkpoint inhibitor therapy (anti-PD-1, anti-PD-L1, or anti-CTLA4 directed therapy) on a prior clinical trial
  • Has received selinexor or another XPO1 inhibitor previously
  • Any active gastrointestinal dysfunction that could interfere with absorption of study treatment in the opinion of the investigator
  • Pregnant or lactating women
  • Any condition that would prohibit the understanding or rendering of informed consent
  • Any condition including additional malignancies, laboratory abnormalities, or psychiatric illness that in the opinion of the investigator would interfere with the patient's safety or compliance while on trial
  • Severe infection that in the opinion of the investigator would interfere with patient safety or compliance on trial within 4 weeks prior to enrollment

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): NCT04856189


Locations
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United States, California
University of California Davis Comprehensive Cancer Center Recruiting
Sacramento, California, United States, 95817
Contact: Mamta Parikh, MD    916-734-3771    mbparikh@ucdavis.edu   
Principal Investigator: Mamta Parikh, MD         
Sponsors and Collaborators
Mamta Parikh
Karyopharm Therapeutics Inc
National Cancer Institute (NCI)
Investigators
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Principal Investigator: Mamta Parikh University of California, Davis
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Responsible Party: Mamta Parikh, Principal Investigator, University of California, Davis
ClinicalTrials.gov Identifier: NCT04856189    
Other Study ID Numbers: UCDCC#289
NCI-2021-02845 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
UCDCC#289 ( Other Identifier: University of California Davis Comprehensive Cancer Center )
P30CA093373 ( U.S. NIH Grant/Contract )
First Posted: April 23, 2021    Key Record Dates
Last Update Posted: April 23, 2021
Last Verified: April 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: No
Additional relevant MeSH terms:
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Carcinoma
Carcinoma, Transitional Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Pembrolizumab
Antineoplastic Agents, Immunological
Antineoplastic Agents