Selinexor Plus High-Dose Melphalan (HDM) Before Autologous Hematopoietic Cell Transplantation for Multiple Myeloma
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ClinicalTrials.gov Identifier: NCT02780609 |
Recruitment Status :
Completed
First Posted : May 23, 2016
Results First Posted : May 3, 2022
Last Update Posted : November 4, 2022
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Phase I: The primary purpose of this study phase is to determine the best dose also referred to as the maximum tolerated dose (MTD) of Selinexor when used in combination with high-dose melphalan as a conditioning regimen for hematopoietic cell transplant.
Phase II: The primary purpose of this study phase is to assess the complete response (CR) conversion rate.
Condition or disease | Intervention/treatment | Phase |
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Multiple Myeloma | Drug: Selinexor Drug: Melphalan Drug: Dexamethasone Procedure: Autologous Hematopoietic Cell Transplantation (HCT) Drug: Fosaprepitant | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 22 participants |
Allocation: | N/A |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | Phase 1/2 Investigator Sponsored Study of Selinexor in Combination With High-Dose Melphalan Before Autologous Hematopoietic Cell Transplantation for Multiple Myeloma |
Actual Study Start Date : | July 20, 2017 |
Actual Primary Completion Date : | February 20, 2021 |
Actual Study Completion Date : | February 23, 2021 |

Arm | Intervention/treatment |
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Experimental: Selinexor Plus HDM HCT
The conditioning regimen begins 3 days prior to autologous transplant. Day 0 is the day of the autologous hematopoietic cell transplant. Melphalan will be given intravenously (IV) on Day -3 and Day -2; Dexamethasone will be given through via IV on Day -3, Day -2 and Day -1; fosaprepitant at 150 IV on days -3 and -2 will be given to patients an an antiemetic.Selinexor will be taken by mouth (PO) daily on the same day participants receive chemotherapy with melphalan.
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Drug: Selinexor
Selinexor will be given orally 2 to 3 hours prior to high dose-melphalan IV infusion. Phase I: Dose escalation beginning with 40 mg to determine the recommended Phase II dose (RPh2D). Phase II: Treatment at RPh2D.
Other Name: KPT-330 Drug: Melphalan Melphalan 100 mg/m^2 IV over 30-45 minutes.
Other Name: Alkeran Drug: Dexamethasone Dexamethasone 20 mg PO (or IV) daily (on days -3, -2 and -1).
Other Name: Decadron Procedure: Autologous Hematopoietic Cell Transplantation (HCT) Participant's own stem cells are collected from their blood, frozen, then given back to them after chemotherapy. Drug: Fosaprepitant Fosaprepitant at 150 mg IV on days -3 and -2.
Other Names:
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- Phase I: Recommended Phase II Dose (RPh2D) [ Time Frame: Up to 3 months ]RPh2D/Maximum Tolerated Dose (MTD) of Selinexor when used in combination with high-dose melphalan as a conditioning regimen for hematopoietic cell transplant. MTD: the highest dose level at which 1 or less of 6 participants experience a dose limiting toxicity (DLT).
- Complete Response (CR) [ Time Frame: 3 months post HCT ]
Complete response (CR) conversion rate. CR: Negative immunofixation of serum and urine, disappearance of any soft tissue plasmacytomas, and ≤ 5% plasma cells in bone marrow.
tissue plasmacytomas, and ≤ 5% plasma cells in bone marrow.
Complete Response conversion rate. CR: Negative immunofixation of serum and urine, disappearance of any soft tissue plasmacytomas, and ≤ 5% plasma cells in bone marrow.
- Phase 1 and Phase 2 Percentage of Participants Treated at Dose Level 3/RP2D With Progression Free Survival (PFS) [ Time Frame: at 24 months ]Progression Free Survival defined as the time from start of treatment to the time of progression or death.
- Overall Survival (OS) [ Time Frame: at 24 months ]Rate of participants' survival at time of evaluation.
- Rate of Minimal Residual Disease (MRD) [ Time Frame: 3 months post HCT ]Rate of participants who did not have Minimal Residual Disease (MRD) as assessed by flow cytometry.

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- 18 years of age or older with histologically confirmed multiple myeloma
- Achieving partial response (PR) or very good partial response (VGPR) with systemic chemotherapy
- Received less than 4 lines of anti-myeloma therapy.
- Karnofsky performance status of >= 70%
- Adequate pulmonary, cardiac, hepatic and renal function as outlined in the protocol
- Signed informed consent form in accordance with institutional policies prior to the initiation of high-dose therapy
Exclusion Criteria:
- Non-secretory multiple myeloma
- Have achieved complete response (CR) prior to autologous hematopoietic cell transplantation (HCT)
- Central nervous system (CNS) involvement
- Uncontrolled bacterial, viral or fungal infections
- Myocardial infarction within 6 months prior to enrollment or has New York Heart Association (NYHA) Class III or IV heart failure, uncontrolled angina, severe uncontrolled ventricular arrhythmias, or electrocardiographic evidence of acute ischemia or active conduction system abnormalities.
- Prior malignancies within the last 5 years except resected basal cell carcinoma or treated cervical carcinoma in situ.
- Females who are pregnant or breastfeeding
- Have received other investigational drugs within 14 days prior to screening
- Prior autologous or allogeneic HCT
- Prior organ transplant or autoimmune disease requiring immunosuppressive therapy

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): NCT02780609
United States, Florida | |
H. Lee Moffitt Cancer Center and Research Institute | |
Tampa, Florida, United States, 33612 |
Principal Investigator: | Taiga Nishihori, M.D. | H. Lee Moffitt Cancer Center and Research Institute |
Documents provided by H. Lee Moffitt Cancer Center and Research Institute:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | H. Lee Moffitt Cancer Center and Research Institute |
ClinicalTrials.gov Identifier: | NCT02780609 |
Other Study ID Numbers: |
MCC-18630 |
First Posted: | May 23, 2016 Key Record Dates |
Results First Posted: | May 3, 2022 |
Last Update Posted: | November 4, 2022 |
Last Verified: | November 2022 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
autologous hematopoietic cell transplantation (HCT) high-dose melphalan selinexor |
Multiple Myeloma Neoplasms, Plasma Cell Neoplasms by Histologic Type Neoplasms Hemostatic Disorders Vascular Diseases Cardiovascular Diseases Paraproteinemias Blood Protein Disorders Hematologic Diseases Hemorrhagic Disorders Lymphoproliferative Disorders Immunoproliferative Disorders Immune System Diseases Dexamethasone |
Melphalan Fosaprepitant Aprepitant Antiemetics Anti-Inflammatory Agents Autonomic Agents Peripheral Nervous System Agents Physiological Effects of Drugs Gastrointestinal Agents Glucocorticoids Hormones Hormones, Hormone Substitutes, and Hormone Antagonists Antineoplastic Agents, Hormonal Antineoplastic Agents Antineoplastic Agents, Alkylating |