Selinexor and Backbone Treatments of Multiple Myeloma Patients

Conditions

• Multiple Myeloma

Eligibility Criteria

Sex

ALL

Age

18 Years - N/A

Healthy Volunteers

Not accepted

Interventions

• Selinexor — DRUG
  Oral tablets
• Dexamethasone — DRUG
  Oral tablets
• Lenalidomide — DRUG
  Oral capsule
• Pomalidomide — DRUG
  Oral tablets
• Bortezomib — DRUG
  Subcutaneous Injection (single use vial)
• Daratumumab — DRUG
  Intravenous Infusion
• Carfilzomib — DRUG
  Intravenous infusion
• Ixazomib — DRUG
  Oral capsule
• Elotuzumab — DRUG
  Intravenous infusion
• Clarithromycin — DRUG
  Tablets
• Belantamab Mafodotin — DRUG
  Intravenous infusion
• Mezigdomide — DRUG
  Oral Capsules

Study Details

This study will independently assess the efficacy and safety of 11 combination therapies in 12 arms, in dose-escalation/-evaluation and expansion phases, for the treatment of patients with relapsed/refractory multiple myeloma (RRMM) and newly diagnosed multiple myeloma (NDMM). The combinations to be evaluated are: * Arm 1: Selinexor + dexamethasone + pomalidomide (SPd); enrollment complete * Arm 2: Selinexor + dexamethasone + bortezomib (SVd); enrollment complete * Arm 3: Selinexor + dexamethasone + lenalidomide (SRd) in RRMM; enrollment complete * Arm 4: Selinexor + dexamethasone + pomalidomide + bortezomib (SPVd); enrollment complete * Arm 5: Selinexor + dexamethasone + daratumumab (SDd); enrollment complete * Arm 6: Selinexor + dexamethasone + carfilzomib (SKd); enrollment complete * Arm 7: Selinexor + dexamethasone + lenalidomide (SRd) in NDMM; enrollment complete * Arm 8: Selinexor + dexamethasone + ixazomib (SNd); enrollment complete * Arm 9: Selinexor + dexamethasone + pomalidomide + elotuzumab (SPEd); enrollment complete * Arm 10: Selinexor + dexamethasone + belantamab mafodotin (SBd); enrollment complete * Arm 11: Selinexor + dexamethasone + pomalidomide + daratumumab (SDPd); enrollment complete * Arm 12: Selinexor + dexamethasone + mezigdomide (SMd); actively recruiting Selinexor pharmacokinetics: * PK Run-in (Days 1-14): Starting in protocol version 8.0, patients enrolled to any arm in the Dose Escalation Phase (i.e., Arm 4 \[SPVd\], Arm 6 \[SKd\], Arm 8 \[SNd\], Arm 9 \[SPEd\], Arm 10 \[SBd\], and Arm 11 \[SDPd\]) will also first be enrolled to a pharmacokinetics (PK) Run-in period until 9 patients have been enrolled to this period to evaluate the PK of selinexor before and after co-administration with a strong CYP3A4 inhibitor. This run-in period does not apply to Arm 12 (SMd).

Key Dates

Start date

Oct 31, 2015

Status verified

Apr 2026

Primary completion

Apr 30, 2027

Completion

Apr 30, 2027

Study Design

Enrollment

300 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Arms

• Experimental: 1: Selinexor, Low-dose Dexamethasone and Pomalidomide (SPd)
  Each cycle is of 28 days Cohort 1.1: Selinexor (SEL) 60/80/100 mg orally (PO) once weekly (QW); Dexamethasone (DEX) 40 mg PO once weekly; Pomalidomide (POM) 2/3/4 mg PO Days 1-21. Cohort 1.2: SEL 40/60/80 mg PO twice weekly (BIW); DEX 20 mg PO twice weekly; POM 3/4 mg PO Days 1-21. Cohort 1.3: Selinexor, Dexamethasone and Pomalidomide will be dosed at RP2D-1. Cohort 1.4: SEL 40 mg PO QW; DEX 40 mg PO QW; POM 4mg PO once daily (QD) Days 1-21.
• Experimental: 2: Selinexor, Low-dose Dexamethasone and Bortezomib (SVd)
  Each cycle is of 35 days Cohort 2.1: SEL 60/80/100 mg PO once weekly; DEX 40 mg PO once weekly; Bortezomib (BOR) 1.3 milligram per meter square (mg/m\^2) subcutaneous (SC) once weekly. Cohort 2.2: SEL 40/60/80 mg PO twice weekly; DEX 20 mg PO twice weekly; BOR 1.3 mg/m\^2 subcutaneous (SC) once weekly. Cohort 2.3: Selinexor, Dexamethasone and Bortezomib will be dosed at RP2D-2.
• Experimental: 3: Selinexor, Low-dose DEX, and Lenalidomide (SRd) in RRMM
  Each cycle is of 28 days Cohort 3.1: SEL 40/60/80/100 mg PO once weekly; DEX 40 mg PO once weekly; Lenalidomide (LEN) 15/25 mg PO Days 1-21. Cohort 3.2: SEL 40/60/80 mg PO twice weekly; DEX 20 mg PO twice weekly; LEN 15/25 mg PO Days 1-21. Cohort 3.3: Selinexor, Dexamethasone and Lenalidomide will be dosed at RP2D-3.
• Experimental: 4:Selinexor, Low-dose dexamethasone, Pomalidomide, Velcade (SPVd)
  PK Run-in Period: Selinexor and Clarithromycin: * For the first 9 patients enrolled into this dose escalation arm * 14 day run-in period after which patients will proceed to Dose-Escalation Phase C1D1 Selinexor 40 mg will be dosed on Days 1 and 8. Clarithromycin 500 mg will be dosed twice daily on Days 2-8. PK samples will be collected on Days 1 and 8 at 1, 1.5, 2, 3, 4, 5, 6, 8, and 24 hours post dose. Dose-escalation Phase: * All patients enrolled into this Arm * Each cycle is of 28 days. Cohort 4.1: SEL 40/60 mg PO once weekly; DEX 40 mg PO once weekly; POM 4 mg PO Days 1-21; BOR 1.3 mg/m\^2 subcutaneous (SC) once weekly. Cohort 4.3: Selinexor, Dexamethasone, Pomalidomide, Velcade (Bortezomib) will be dosed at RP2D-4.
• Experimental: 5: Selinexor, Low-dose dexamethasone, and Daratumumab (SDd)
  Each cycle is of 28 days Cohort 5.1: SEL 80/100 mg PO once weekly; DEX 40 mg once weekly (IV or PO); DARA: 16 mg/kg IV infusion Cycle 1-2: Once weekly, Cycle 3-6: Every other week, Cycle 6 and greater: Once a month. Cohort 5.2: SEL: 60 mg PO twice weekly; DEX: 40 mg weekly (IV or PO); DARA: 16 milligram per kilogram (mg/kg) IV infusion Cycle 1-2: Once. weekly, Cycle 3-6: Every other week, Cycle 6 and greater: Once a month. Cohort 5.3: Selinexor, Dexamethasone and Daratumumab will be dosed at RP2D-5.
• Experimental: 6: Selinexor, Low-dose dexamethasone, and Carfilzomib (SKd)
  PK Run-in Period: Selinexor and Clarithromycin: * For the first 9 patients enrolled into this dose escalation arm * 14 day run-in period after which patient will proceed to Dose-Escalation Phase C1D1 Selinexor 40 mg will be dosed on Days 1 and 8. Clarithromycin 500 mg will be dosed twice daily on Days 2-8. PK samples will be collected on Days 1 and 8 at 1, 1.5, 2, 3, 4, 5, 6, 8, and 24 hours post dose. Dose-Escalation Phase: * All patients enrolled into this Arm * Each cycle is of 28 days Cohort 6.1: SEL 40/60/80/100 mg PO once weekly on days 1, 8, 15, and 22; DEX 40 mg IV or PO once weekly; Carfilzomib (CAR) 56 or 70 mg/m\^2 IV infusion once weekly on days 1, 8, and 15. Cohort 6.2: SEL 60/80/100 mg PO once weekly on days 1, 8, and 15; DEX 40 mg IV or PO once weekly; CAR 56 or 70 mg/m\^2 IV infusion once weekly on days 1, 8, and 15. Cohort 6.3: Selinexor, Dexamethasone and Carfilzomib will be dosed at RP2D-6.
• Experimental: 7: Selinexor, Low-dose DEX and Lenalidomide (SRd) in NDMM
  Each cycle is of 28 days Cohort 7.1: SEL 40/60/80 mg PO once weekly; DEX 40 mg PO once weekly; LEN 25 mg PO Days 1-21. Cohort 7.3: Selinexor, Dexamethasone and Lenalidomide will be dosed at RP2D-7.
• Experimental: 8: Selinexor, Low-dose dexamethasone, and Ixazomib (SNd)
  PK Run-in Period: Selinexor \& Clarithromycin: * For the first 9 patients enrolled into this dose escalation arm * 14 day run-in period after which patient will proceed to Dose-Escalation Phase C1D1 Selinexor 40 mg will be dosed on Days 1 and 8. Clarithromycin 500 mg will be dosed twice daily on Days 2-8. PK samples will be collected on Days 1 and 8 at 1, 1.5, 2, 3, 4, 5, 6, 8, and 24 hours post dose. Dose-Escalation Phase: * All patients enrolled into this Arm * Each cycle is of 28 days Cohort 8.1: SEL 40/60/80/100 mg PO once weekly; DEX 20 mg PO twice weekly; IXA 3/4 mg PO once weekly. Cohort 8.3: Selinexor, Dexamethasone and Ixazomib will be dosed at RP2D-8.
• Experimental: 9: Selinexor, Low-dose DEX, Pomalidomide and Elotuzumab (SPEd)
  PK Run-in Period: Selinexor and Clarithromycin: * For the first 9 patients enrolled into this dose escalation arm * 14 day run-in period after which patient will proceed to Dose-Escalation Phase C1D1 Selinexor 40 mg will be dosed on Days 1 and 8. Clarithromycin 500 mg will be dosed twice daily on Days 2-8. PK samples will be collected on Days 1 and 8 at 1, 1.5, 2, 3, 4, 5, 6, 8, and 24 hours post dose. Dose-Escalation Phase: * All patients enrolled into this Arm * Each cycle is of 28 days Cohort 9.1: SEL 20/40/60 mg PO once weekly; DEX 28/20 mg PO twice weekly; POM 4 mg PO QD Days 1-21; Elotuzumab (ELO) 10/20 mg/kg IV will be given once weekly on Days 1,8, 15 and 22 of Cycles 1-2. Starting on Cycle 3 and continuing for future cycles, elotuzumab will be dosed at 20 mg/kg on Day 1 of each cycle only. Cohort 9.3: Selinexor, Dexamethasone, Pomalidomide and Elotuzumab will be dosed at RP2D-9.
• Experimental: 10. Selinexor, Dexamethasone, and Belantamab Mafodotin (SBd)
  Each cycle is of 21 days Cohort 10.1: SEL 40/60/80 mg PO once weekly on Days 1, 8, and 15; DEX 40 mg PO QW on Days 1, 8, and 15; Belantamab Mafodotin (BEL) 2.5 mg/kg IV infusion every 3 weeks (Q3W) Day 1 of each cycle. Cohort 10.3: Selinexor, Dexamethasone, and Belantamab Mafodotin will be dosed at RP2D-10.
• Experimental: 11. Selinexor, Dexamethasone, Pomalidomide, and Daratumumab (SDPd)
  Each Cycle is of 28 days Cohort 11.1 SEL 40/60 mg PO once weekly on Days 1, 8, and 15; DEX total 40 mg weekly (IV or PO) single or divided doses on Days 1, 8, 15, and 22; POM 4 mg PO QW Days 1-21; DARA 16 mg/kg IV or SC QW on Days 1, 8, 15 and 22 of Cycles 1-2 and on Days 1 and 15 of Cycles 3-6, Day 1 of every Cycle greater than (\>6). Cohort 11.3 Selinexor, Dexamethasone, Pomalidomide, and Daratumumab will be dosed at RP2D-11.
• Experimental: 12. Selinexor + dexamethasone + mezigdomide (SMd)
  The dose of selinexor will be formally escalated from 40 mg QW to 60 mg QW in combination with mezigdomide 0.6 mg daily. Mezigdomide dosing may be de-escalated as per 3+3 criteria to 0.3 mg or escalated to 1.0 mg. The dose level that passes DLT evaluation will be considered the MTD for the cohort.

Primary Outcome Measure

Phase 1 (Dose-escalation): Maximum Tolerated Dose (MTD) [ Time Frame: 12 months ]

Locations (15)

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