New drug cocktail aims to boost stem cell harvest in myeloma patients
NCT ID NCT03909412
First seen Jun 27, 2026 · Last updated Sep 21, 2026 · Updated 1 time
Summary
This early-phase study tests a combination of drugs (carfilzomib, cyclophosphamide, dexamethasone, and G-CSF) to see if it can safely and effectively collect stem cells for transplant in people with multiple myeloma. The goal is to find the best dose of carfilzomib that causes the fewest side effects while still working well. About 18 participants will be enrolled to help determine safety and the maximum tolerated dose.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 18 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2019
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
INCLUSION CRITERIA Subject has voluntarily agreed to participate by giving written informed consent before performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care. Informed Consent must be obtained prior to mobilization. * Subject has a confirmed diagnosis of multiple myeloma as specified by the International Myeloma Working Group criteria and must have measurable disease as defined by at least one of the following criteria: * Serum monoclonal protein ≥ 0.5 g/dL * ≥200 mg of monoclonal protein in the urine on 24-hour electrophoresis * Serum immunoglobulin free light chain: involved FLC ≥ 10 mg/dL (≥ 100 mg/L) AND abnormal serum immunoglobulin kappa to lambda free light chain ratio * MRD positivity in peripheral blood by flow cytometry. * Subject previously received treatment with Carfilzomib. * Subject is ≥18 years of age at the time of signing the informed consent form. * Subject has an ECOG performance status of \< 2. * Subjects must have completed any "induction therapy" and have achieved less than a CR. * Subject has a life expectancy of \>12 weeks. * Absolute neutrophil count (ANC) ≥1000 cells/mm3 (≥500 for patients with bone marrow biopsy displaying \>50% involvement by myeloma) * Platelets count ≥ 50,000/mm3 (≥ 30,000 for patients with bone marrow biopsy displaying \>50% involvement by myeloma) * Hemoglobin \> 9.0 g/dL * Serum SGOT/AST \<3.0 x upper limits of normal (ULN) * Serum SGPT/ALT \<3.0 x upper limits of normal (ULN) * Serum total bilirubin \<1.5 x ULN * Subject must have a MUGA scan or echo with LVEF ≥40% within 6 months of enrollment. * Females of childbearing potential (FCBP) must have a negative serum pregnancy test should be done within 7 days of treatment initiation and a negative urine pregnancy test within the 24 hours prior to the first study drug administration * FCBP and male subjects who are sexually active with FCBP must agree to use 2 highly effective concomitant methods of contraception including a male condom during the study and for 90 days following the last dose of study treatment * Male subjects must agree to not donate sperm while taking carfilzomib and for 90 days after the last dose of carfilzomib. EXCLUSION CRITERIA * Subject has a history of allergic reactions to compounds containing captisol, or Carfilzomib * Subject has a NYHA Class III or IV heart disease and/or a history of active unstable angina, congestive heart disease, severe uncontrolled cardiac arrhythmia, electrocardiographic evidence of acute ischemia, active conduction system abnormalities or myocardial infarction within 6 months prior to enrollment. Prior to study entry, any ECG abnormality at Screening has to be documented by the investigator as not medically relevant. * Uncontrolled hypertension. * Pulmonary hypertension. * Known HIV infection, hepatitis C infection (subjects with hepatitis C that achieve a sustained virologic response after antiviral therapy are allowed), or hepatitis B infection (subjects with hepatitis B surface antigen or core antibody that achieve sustained virologic response with antiviral therapy are permitted with a requirement for regular monitoring for reactivation for the duration of treatment on the study). * Subject has active viral or bacterial infections or any coexisting medical problem that would significantly increase the risks of this treatment program. * Subject has concurrent, uncontrolled medical condition, laboratory abnormality, or psychiatric illness which could place him/her at unacceptable risk, including, but not limited to, uncontrolled hypertension, uncontrolled diabetes, active uncontrolled infection, and/or acute chronic liver disease (i.e., hepatitis, cirrhosis). * Subject has ≥Grade 2 peripheral neuropathy. * Subject has been diagnosed or treated for another malignancy within 3 years of enrollment, with the exception of complete resection of basal cell carcinoma or squamous cell carcinoma of the skin, an in situ malignancy, or low-risk prostate cancer after curative therapy. * Subject has received radiation therapy within 3 weeks of enrollment. Enrollment of subjects who require concurrent radiotherapy (which must be localized in its field size) should be deferred until the radiotherapy is completed and 3 weeks have elapsed since the last date of therapy. * Subject has had prior mobilization or stem cell transplant.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Hackensack Meridian Health - John Theurer Cancer Center
RECRUITINGHackensack, New Jersey, 07601, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Bispecific antibody combo aims to deepen myeloma responses
- Can a stronger drug cocktail give older myeloma patients a better start?
- Cheap blood count ratios eyed as window into Myeloma's inflammatory grip
- Can a t-cell engager rescue myeloma that outsmarted CAR-T?
- Can myeloma treatment work without steroids?
- Double-Drug attack on Hard-to-Treat lymphomas