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This phase III trial is studying how well combination chemotherapy works when given before radiation therapy and/or additional chemotherapy in treating young patients with newly diagnosed Hodgkin's lymphoma. Drugs used in chemotherapy work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Radiation therapy uses high-energy x-rays to kill cancer cells. Giving more than one drug (combination chemotherapy) and giving them together with radiation therapy may kill more cancer cells.
Full description
OBJECTIVES:
I. Investigate the paradigm of response-based therapy for low-risk Hodgkin's lymphoma by eliminating involved-field radiotherapy (IFRT) in patients who achieve a complete remission (CR) after initial chemotherapy.
II. Investigate whether 3 courses of doxorubicin hydrochloride, vincristine, prednisone, and cyclophosphamide (AV-PC) for the treatment of low-risk Hodgkin's lymphoma is sufficient to induce CR in at least 80% of patients.
III. Investigate whether patients who experience a low-risk relapse after initial treatment with chemotherapy alone can be successfully treated with a salvage regimen comprising ifosfamide and vinorelbine ditartrate with dexamethasone, etoposide phosphate, cisplatin, and cytarabine (IV/DECA) and IFRT.
IV. Maintain the overall survival for patients with low-risk Hodgkin's lymphoma at or above 97%.
V. Determine the prognostic significance of very early response as measured by fludeoxyglucose-positron emission tomography (FDG-PET) or gallium after the first course of chemotherapy.
VI. Evaluate the prognostic significance of elevation of erythrocyte sedimentation rate and C-reactive protein at the time of diagnosis in patients with low-risk Hodgkin's lymphoma on CR rate and relapse rate after chemotherapy alone.
VII. Determine the frequency and severity of late effects of therapy, including thyroid dysfunction, infertility, cardiotoxicity, and second malignant neoplasms.
OUTLINE: This is a multicenter study.
INITIAL CHEMOTHERAPY: Patients receive doxorubicin hydrochloride intravenously (IV) over 10-30 minutes and cyclophosphamide IV over 1 hour on days 1-2, vincristine IV on days 1 and 8, prednisone orally (PO) on days 1-7, and filgrastim (G-CSF) subcutaneously (SC) on days 3-7 and 9-14. Treatment repeats every 21 days for up to 3 courses in the absence of disease progression or unacceptable toxicity.
Patients achieving complete remission (CR) proceed to observation. Patients achieving partial remission proceed to radiotherapy. Patients who have a low-risk relapse after achieving CR on initial chemotherapy proceed to salvage chemotherapy followed by radiotherapy. Patients who have stable disease or disease progression go off study.
SALVAGE CHEMOTHERAPY: Patients receive ifosfamide IV continuously on days 1-4, vinorelbine ditartrate IV over 6-10 minutes on days 1-5, and G-CSF SC or IV beginning on day 6 and continuing until blood counts recover. Treatment repeats every 21 days for 2 courses. Patients then receive dexamethasone IV over 15 minutes every 12 hours, etoposide phosphate IV over 3 hours every 12 hours, and cytarabine IV over 3 hours every 12 hours on days 1 and 2; cisplatin IV over 6 hours on day 1; and G-CSF SC or IV beginning on day 3 and continuing until blood counts recover. Treatment repeats every 21 days for 2 courses. Patients then proceed to radiotherapy.
INVOLVED-FIELD RADIOTHERAPY (IFRT): Beginning 4 weeks after completion of chemotherapy, patients undergo IFRT once daily, 5 days a week, for 2.8 weeks. Patients who do not achieve CR go off study.
After completion of study treatment, patients are followed periodically for up to 10 years.
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Inclusion and exclusion criteria
Inclusion Criteria:
Histologically confirmed Hodgkin's lymphoma meeting the following criteria:
Staging on this study will be determined by the clinical stage; surgical staging is strongly discouraged, except for the rare situation of equivocal imaging studies below the diaphragm
Patients may not have received any previous chemotherapy or radiation therapy; patients may not have received systemic corticosteroids within 30 days of enrollment on this protocol; steroids used for treatment of contrast agent allergy required for computed tomography (CT) scans are acceptable
Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^3
Total bilirubin =< 1.5 x normal
Alanine (ALT) =< 2.5 x normal
Shortening fraction >= 27% by echocardiogram OR ejection fraction >= 50% by multi-gated acquisition (MUGA)
No pathologic prolongation of QTc interval on 12-lead electrocardiography (ECG)
Female patients of childbearing potential must have a negative pregnancy test
Lactating females must agree that they will not breastfeed a child while on this study
Fertile patients must use effective contraception
Males and females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method
All patients and/or their parents or legal guardians must sign a written informed consent
All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met
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287 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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