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A Study of Daratumumab in Patients With Relapsed or Refractory Waldenström Macroglobulinemia

A Phase 2 Study of Daratumumab in Patients With Relapsed or Refractory Waldenström Macroglobulinemia

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03187262
Enrollment
13
Registered
2017-06-14
Start date
2017-11-27
Completion date
2021-12-31
Last updated
2022-11-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Waldenström Macroglobulinemia

Keywords

Waldenström Macroglobulinemia

Brief summary

This research study is studying Daratumumab as a possible treatment for Waldenström Macroglobulinemia.

Detailed description

This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational drug to learn whether the drug works in treating a specific disease. Investigational means that the drug is being studied. The FDA (the U.S. Food and Drug Administration) has not approved Daratumumab for this specific disease but it has been approved for other uses. Daratumumab is a monoclonal human antibody. An antibody recognizes a specific protein and binds to it. Daratumumab binds to a protein called CD38 located on the surface of B cells like WM. Daratumumab has shown the ability to slow or stop the growth of cells that have CD38 on the cell surface when tested in laboratories. In this research study, the investigators are evaluating the efficacy of Daratumumab as a single agent in participants with WM that has come back or has shown no response to previous treatment.

Interventions

DRUGDaratumumab

Daratumumab is a monoclonal human antibody. Daratumumab has shown the ability to slow or stop the growth of cells that have CD38 on the cell surface when tested in laboratories

Sponsors

Janssen, LP
CollaboratorINDUSTRY
Dana-Farber Cancer Institute
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Clinicopathological diagnosis of Waldenström Macroglobulinemia (Owen et al. 2003), and meeting criteria for treatment using consensus panel criteria from the Second International Workshop on Waldenström macroglobulinemia (Kyle et al. 2003) * At least one previous treatment for WM with either documented disease progression or no response (stable disease) to the most recent treatment regimen * Measurable disease, defined as presence of serum immunoglobulin M (IgM) with a minimum IgM level of \>2 times the upper limit of normal of each institution is required * Participants with symptomatic hyperviscosity or serum IgM \>5,000 mg/dL to undergo plasmapheresis prior to treatment initiation * Age ≥18 years * ECOG performance status ≤2 (see Appendix A) * Participants must have preserved organ and marrow function as defined below: * Absolute neutrophil count ≥ 1,000/mcL * Platelets ≥ 50,000/mcL * Hemoglobin ≥ 8 g/dL * Total bilirubin ≤ 1.5 mg/dL or \< 2 mg/dL if attributable to hepatic infiltration by neoplastic disease * AST/ALT ≤ 2.5 × institutional upper limit of normal * EGFR ≥ 30 ml/min * Not on any active therapy for other malignancies with the exception of topical therapies for basal cell or squamous cell cancers of the skin. * Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) while participating in the study; and 2) for at least 90 days after discontinuation from the study. Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy. FCBP must be referred to a qualified provider of contraceptive methods if needed. FCBP must have a negative serum pregnancy test at screening. * Able to adhere to the study visit schedule and other protocol requirements. * Ability to understand and the willingness to sign a written informed consent document

Exclusion criteria

* Any serious medical condition, laboratory abnormality, uncontrolled intercurrent illness, or psychiatric illness/social condition that would prevent study participation. * Concurrent use of any other anti-cancer agents or treatments or any other investigational agents. * Any condition, including the presence of laboratory abnormalities, which places the participant at unacceptable risk if he/she were to participate in the study or confounds the ability to interpret data from the study. * Known CNS lymphoma. * New York Heart Association classification III or IV heart failure. * Known history of Human Immunodeficiency Virus (HIV), active infection with Hepatitis B Virus (HBV), and/or Hepatitis C Virus (HCV). * Lactating or pregnant women. * Grade \>2 toxicity (other than alopecia) continuing from prior anti-cancer therapy. * History of non-compliance to medical regimens.

Design outcomes

Primary

MeasureTime frameDescription
Overall Response Rate2 yearsOverall Response Rate= Minor response (\>25%-50% reduction in serum IgM from baseline) + Partial Response (\>50-90% reduction in serum IgM from baseline) + Very Good Partial Response (\>90% reduction in serum IgM from baseline) + Complete Response (resolution of all symptoms, normalization of serum IgM with disappearance of IgM paraprotein, resolution of any adenopathy or splenomegaly).

Secondary

MeasureTime frameDescription
Number of Participants With Partial Response2 yearsPartial response (PR) is defined as achieving a ≥50% reduction in serum IgM levels.
Progression Free Survival4 yearsAmount of time following daratumumab administration until \>25% increase in serum IgM
Number of Participants With Complete Response2 yearsA complete response is defined as having resolution of WM related symptoms, normalization of serum IgM levels with complete disappearance of IgM paraprotein by immunofixation, and resolution of any adenopathy or splenomegaly.
Number of Participants With Very Good Partial Response2 yearsVery Good Partial Response (VGPR): is defined as ≥90% reduction in serum IgM levels, or normalization of serum IgM levels.
Number of Participants With Minor Response2 yearsMinor Response (MR): A minor response (MR) is defined 25-49% reduction in serum IgM levels.

Countries

United States

Participant flow

Participants by arm

ArmCount
Daratumumab
* Daratumumab will be administered in three phases: Induction, consolidation and maintenance * During induction, participants will receive daratumumab on days 1, 8, 15 and 22 of each 28-day * During consolidation, daratumumab will be administered on days 1 and 15 of each 28-day cycle * During maintenance, daratumumab will be administered on day 1 of each 28-day cycle Daratumumab: Daratumumab is a monoclonal human antibody. Daratumumab has shown the ability to slow or stop the growth of cells that have CD38 on the cell surface when tested in laboratories
13
Total13

Withdrawals & dropouts

PeriodReasonFG000
ConsolidationProgressive Disease5
InductionLack of Efficacy2
InductionProgressive Disease4

Baseline characteristics

CharacteristicDaratumumab
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
10 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
Age, Continuous69 years
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
13 Participants
Region of Enrollment
United States
13 participants
Sex: Female, Male
Female
3 Participants
Sex: Female, Male
Male
10 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 13
other
Total, other adverse events
13 / 13
serious
Total, serious adverse events
6 / 13

Outcome results

Primary

Overall Response Rate

Overall Response Rate= Minor response (\>25%-50% reduction in serum IgM from baseline) + Partial Response (\>50-90% reduction in serum IgM from baseline) + Very Good Partial Response (\>90% reduction in serum IgM from baseline) + Complete Response (resolution of all symptoms, normalization of serum IgM with disappearance of IgM paraprotein, resolution of any adenopathy or splenomegaly).

Time frame: 2 years

Population: Only participants who have measurable disease present at baseline, received at least one cycle of therapy, and had their disease re-evaluated were considered evaluable for response. 2 participants did not complete the first cycle of therapy and were unevaluable for the primary objective.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
DaratumumabOverall Response Rate3 Participants
Secondary

Number of Participants With Complete Response

A complete response is defined as having resolution of WM related symptoms, normalization of serum IgM levels with complete disappearance of IgM paraprotein by immunofixation, and resolution of any adenopathy or splenomegaly.

Time frame: 2 years

Population: Only those participants who have measurable disease present at baseline, have received at least one cycle of therapy, and have had their disease re-evaluated will be considered evaluable for response.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
DaratumumabNumber of Participants With Complete Response0 Participants
Secondary

Number of Participants With Minor Response

Minor Response (MR): A minor response (MR) is defined 25-49% reduction in serum IgM levels.

Time frame: 2 years

Population: Only those participants who have measurable disease present at baseline, have received at least one cycle of therapy, and have had their disease re-evaluated will be considered evaluable for response.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
DaratumumabNumber of Participants With Minor Response1 Participants
Secondary

Number of Participants With Partial Response

Partial response (PR) is defined as achieving a ≥50% reduction in serum IgM levels.

Time frame: 2 years

Population: Only those participants who have measurable disease present at baseline, have received at least one cycle of therapy, and have had their disease re-evaluated will be considered evaluable for response.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
DaratumumabNumber of Participants With Partial Response2 Participants
Secondary

Number of Participants With Very Good Partial Response

Very Good Partial Response (VGPR): is defined as ≥90% reduction in serum IgM levels, or normalization of serum IgM levels.

Time frame: 2 years

Population: Only those participants who have measurable disease present at baseline, have received at least one cycle of therapy, and have had their disease re-evaluated will be considered evaluable for response.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
DaratumumabNumber of Participants With Very Good Partial Response0 Participants
Secondary

Progression Free Survival

Amount of time following daratumumab administration until \>25% increase in serum IgM

Time frame: 4 years

Population: Only those participants who have measurable disease present at baseline, have received at least one cycle of therapy, and have had their disease re-evaluated will be considered evaluable for response.

ArmMeasureValue (MEDIAN)
DaratumumabProgression Free Survival2 months

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026