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Rituximab Plus Sargramostim (GM-CSF) In Patients With Chronic Lymphocytic Leukemia

Rituximab In Combination With Sargramostim (GM-CSF) In Patients With Chronic Lymphocytic Leukemia (CLL)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00940342
Enrollment
130
Registered
2009-07-16
Start date
2004-10-12
Completion date
2017-01-05
Last updated
2018-09-19

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

Conditions

Leukemia

Keywords

Chronic Lymphocytic Leukemia, Rituximab, Leukemia, Sargramostim, GM-CSF

Brief summary

The goal of this clinical research study is to learn if giving granulocyte-macrophage colony-stimulating factor (GM-CSF) together with rituximab can improve the ability of rituximab to shrink or slow the growth of Chronic Lymphocytic Leukemia (CLL). The safety of this combination treatment will also be studied.

Detailed description

GM-CSF is a drug designed to stimulate the immune system. It will increase the number of a certain type of blood cell called neutrophils and macrophages. Rituximab is a drug designed to bind to a protein, called cluster of differentiation antigen 20 (CD20), that is on the surface of the leukemia cells, allowing the leukemia cells to be destroyed by the immune system. Before you can start treatment on this study, you will have what are called screening tests. These tests will help the doctor decide if you are eligible to take part in the study. You will have a complete medical history and physical exam, including routine blood tests (about 2 tablespoons). A bone marrow aspirate will be collected. To collect a bone marrow aspirate, an area of the hip or chest bone is numbed with anesthetic and a small amount of bone marrow is withdrawn through a large needle. Imaging studies (such as a chest x-ray or CT scans) may be performed. Women who are able to have children must have a negative blood pregnancy test. If you are found to be eligible to take part in this study, you will receive GM-CSF as an injection under the skin, three times a week for eight weeks. You will receive rituximab by vein, once a week for four weeks. Usually, the first dose of rituximab requires several hours to complete. Later doses should usually be shorter, but may vary according to individual tolerance. Acetaminophen (Tylenol), diphenhydramine hydrochloride (Benadryl), and steroids (hydrocortisone or similar) will be given before rituximab to decrease the risk of side effects. If side effects do occur during the infusion, you will need to stay at the hospital and be observed until the side effects have gone away. Other than that, treatment will be given on an outpatient basis. During treatment you will have routine blood tests (about 1 tablespoon) once a week. The treatment will take about 8 weeks to be completed. You will be taken off study if your disease gets worse or if the side effects become too severe. After treatment is over, you will have a complete physical exam, including routine blood tests (about 2 tablespoons). A bone marrow sample will be taken. Imaging studies (such as a chest x-ray or CT scans) may be repeated to evaluate the effect of the treatment. If this treatment has worked for you, your doctor may advise you to receive it again for a second time. You will then return for post-treatment evaluation every 6 months for 1 year and then once a year for 3 years or until you start a new treatment. This is an investigational study. GM-CSF and rituximab have been approved by the FDA for clinical use. Their use together in this study, however, is experimental. Up to 130 patients may take part in this study. All patients will be enrolled at M.D. Anderson Cancer Center.

Interventions

250 mcg injection under the skin, three times a week for eight weeks.

DRUGRituximab

375 mg/m\^2 administered intravenously once weekly for four weeks

Sponsors

Bayer
CollaboratorINDUSTRY
M.D. Anderson Cancer Center
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

1. Group 1. Diagnosis of previously treated B-CLL Rai III-IV or earlier stage disease with evidence of active disease as defined by the NCI-sponsored working group 1) weight loss of \>10% in prior 6 months, 2) extreme fatigue, 3) fever or night sweats without evidence of infection, 4) worsening anemia or thrombocytopenia, 5) progressive lymphocytosis with a rapid lymphocyte doubling time, 6) marked hypogammaglobulinemia or paraproteinemia, 7) lymphadenopathy \>5 cm in diameter. 2. Group 2. Diagnosis of previously untreated B-CLL with Rai stage 0-II disease but high risk for progression based on B2-microglobulin \>3.0 mg/mL, or with symptoms or significant fatigue. 3. Group 3. Patients age 70 years of age and older with previously untreated B-CLL and Rai stage III-IV or earlier stage disease with indication for treatment who refused chemotherapy. 4. Age 15 years or above. 5. Adequate renal and hepatic functions (creatinine \<2.5 mg/dL, bilirubin \<2 mg/dL). Patients with renal or liver dysfunction due to organ infiltration by lymphocytes are eligible, as are patients with elevated bilirubin and history consistent with Gilbert's disease. 6. Performance status \<3 (Zubrod Scale). 7. No active viral hepatitis

Exclusion criteria

1\) None.

Design outcomes

Primary

MeasureTime frameDescription
Overall Response RateBlood tests once a week during 8 weeks of treatment.Overall Response Rate - Complete Response (CR) + Partial Response (PR). CR is the absence of Lymphocyte infiltrates on biopsy, \<30% Lymphocytes on Bone Marrow Aspirate, Lymphocytes \< 4,000ul , Hemoglobin \>11.0 g/dl , Platelets \>1000,000/ul, Polymorphonuclear neutrophils (PMN) \>1,500/ul, Liver/Spleen not palpable, Nodes none. PR is \<30% Lymphocytes with residual disease on biopsy for nodular PR, Lymphocytes \>50% decrease, Hemoglobin (un-transfused) \> 11.0 g/dl or \>50% improvement from baseline, Platelets \> 100,000/ul or 50% improvement from baseline, PMN \>1,500 ul or 50% improvement from baseline, Liver/Spleen \>/= 50% decrease, Nodes \>/= 50%.

Countries

United States

Participant flow

Recruitment details

Recruitment Period: October 2004 through January 2007. Of the 130 participants recruited, 119 participants were recruited at The University of Texas (UT) MD Anderson Cancer Center, 6 at The University of California San Diego, and 5 participants were recruited at Dana Farber Cancer Institute.

Participants by arm

ArmCount
Treated and Relapsed - Group 1
Participants receive one (1) course of therapy. One course of therapy consists of four (4) doses of Rituximab 375 mg/m2, administered once weekly by vein for 4 weeks along with GM-CSF 250 mcg subcutaneously three times weekly for 8 weeks. GM-CSF (Sargramostim): 250 mcg injection under the skin, three times a week for eight weeks. Rituximab: 375 mg/m\^2 administered intravenously once weekly for four weeks
50
Untreated and High-Risk for Progression - Group 2
Participants receive one (1) course of therapy. One course of therapy consists of four (4) doses of Rituximab 375 mg/m2, administered once weekly by vein for 4 weeks along with GM-CSF 250 mcg subcutaneously three times weekly for 8 weeks. GM-CSF (Sargramostim): 250 mcg injection under the skin, three times a week for eight weeks. Rituximab: 375 mg/m\^2 administered intravenously once weekly for four weeks
40
70 Years of Age and Refused Chemo - Group 3
Participants receive one (1) course of therapy. One course of therapy consists of four (4) doses of Rituximab 375 mg/m2, administered once weekly by vein for 4 weeks along with GM-CSF 250 mcg subcutaneously three times weekly for 8 weeks. GM-CSF (Sargramostim): 250 mcg injection under the skin, three times a week for eight weeks. Rituximab: 375 mg/m\^2 administered intravenously once weekly for four weeks
40
Total130

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyAdverse Event021

Baseline characteristics

CharacteristicUntreated and High-Risk for Progression - Group 270 Years of Age and Refused Chemo - Group 3TotalTreated and Relapsed - Group 1
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
4 Participants40 Participants74 Participants30 Participants
Age, Categorical
Between 18 and 65 years
36 Participants0 Participants56 Participants20 Participants
Age, Continuous56.5 years73 years69 years68 years
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
2 Participants4 Participants7 Participants1 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
38 Participants36 Participants123 Participants49 Participants
Region of Enrollment
United States
40 participants40 participants130 participants50 participants
Sex: Female, Male
Female
19 Participants14 Participants49 Participants16 Participants
Sex: Female, Male
Male
21 Participants26 Participants81 Participants34 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
3 / 500 / 401 / 40
other
Total, other adverse events
21 / 5016 / 4015 / 40
serious
Total, serious adverse events
5 / 503 / 404 / 40

Outcome results

Primary

Overall Response Rate

Overall Response Rate - Complete Response (CR) + Partial Response (PR). CR is the absence of Lymphocyte infiltrates on biopsy, \<30% Lymphocytes on Bone Marrow Aspirate, Lymphocytes \< 4,000ul , Hemoglobin \>11.0 g/dl , Platelets \>1000,000/ul, Polymorphonuclear neutrophils (PMN) \>1,500/ul, Liver/Spleen not palpable, Nodes none. PR is \<30% Lymphocytes with residual disease on biopsy for nodular PR, Lymphocytes \>50% decrease, Hemoglobin (un-transfused) \> 11.0 g/dl or \>50% improvement from baseline, Platelets \> 100,000/ul or 50% improvement from baseline, PMN \>1,500 ul or 50% improvement from baseline, Liver/Spleen \>/= 50% decrease, Nodes \>/= 50%.

Time frame: Blood tests once a week during 8 weeks of treatment.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Treated and Relapsed - Group 1Overall Response Rate23 Participants
Untreated and High-Risk for Progression - Group 2Overall Response Rate31 Participants
70 Years of Age and Refused Chemo - Group 3Overall Response Rate23 Participants

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