Selenomethionine in Reducing Mucositis in Patients With Locally Advanced Head and Neck Cancer Who Are Receiving Cisplatin and Radiation Therapy
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About
This randomized phase II trial is studying how well selenomethionine (SLM) works in reducing mucositis in patients with locally advanced head and neck cancer who are receiving cisplatin and radiation therapy. SLM may help prevent or reduce mucositis, or mouth sores, in patients receiving chemotherapy and radiation therapy. It is not yet known whether SLM is more effective than a placebo in reducing mucositis
Full description
PRIMARY OBJECTIVES:
I. To assess whether SLM reduces the incidence of grade 3 or 4 mucositis in head and neck squamous cell carcinoma (HNSCC) patients treated with concurrent chemoradiation (CRT) over 7 weeks.
SECONDARY OBJECTIVES:
I. To assess the impact of SLM on tumor complete response rate, relapse-free survival, overall survival and quality of life.
II. To assess whether SLM reduces the incidence and severity of treatment-related toxicities including xerostomia, renal impairment and myelosuppression.
III. To assess whether SLM improves chemoradiation dose delivery. IV. To determine safety of SLM at this dose. V. In New Zealand (NZ) patients only, to assess the impact of SLM on plasma free cisplatin and plasma selenium pharmacokinetics (PK) and on pharmacodynamic (PD) markers of biological activity of selenium.
OUTLINE: Patients are randomized to 1 of 2 treatment arms.
ARM I: Patients receive placebo orally (PO) twice daily in week 1 and then once daily in weeks 2-11. Patients also receive cisplatin intravenously (IV) over 3 hours once in weeks 2, 5, and 8 and undergo radiotherapy 5 days a week in weeks 2-8.
ARM II: Patients receive selenomethionine PO twice daily in week 1 and then once daily in weeks 2-11. Patients also receive cisplatin and undergo radiotherapy as in arm I.
After completion of study treatment, patients are followed up periodically.
Enrollment
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Inclusion criteria
- Biopsy-proven locally-advanced HNSCC, including those with cancers of the oral cavity, oropharynx, hypopharynx, larynx, nasopharynx or paranasal sinuses
- Stage III, IVa or IVb disease
- No prior definitive surgery for present diagnosis
- Appropriate candidate for concurrent cisplatin and radiation as definitive treatment; patients who receive induction chemotherapy as part of a definitive treatment program that will include concurrent CRT are eligible for this study
- Hemoglobin >= 10 g/dL (100 g/l)
- Absolute neutrophil count >= 2,000 cells/mm^3 (2 x 10^9/l)
- Platelets >= 100,000 cells/mm^3 (100 x 10^9/l)
- Serum creatinine =< 1.5 mg/dL (133 umol/l) or calculated creatinine clearance >= 50 ml/min using the Cockcroft-Gault formula
- Eastern Cooperative Oncology Group (ECOG) performance status 0-2
- Able to give written informed consent
- Be willing and able to comply with study procedures
Exclusion criteria
- Non-regional metastatic disease (stage IVc)
- Previous malignancy within the last 5 years except for adequately treated basal or squamous cell carcinoma of the skin or cervical intra-epithelial neoplasia
- Prior chemotherapy or radiotherapy for HNSCC, or any prior radiotherapy that would compromise delivery of a radical dose to the HNSCC
- Known to be positive for hepatitis C or human immunodeficiency virus (HIV)
- Unable to tolerate oral medication (unless a feeding tube is in place)
- History of hypersensitivity to platinum drugs
- Symptomatic peripheral neuropathy >= National Cancer Institute (NCI)-Common Terminology Criteria for Adverse Events (CTCAE) grade II
- Pregnant, lactating or unwilling to use adequate contraception
- Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation
- Planned use of amifostine for prophylaxis against radiation-induced xerostomia
- Patients taking selenium supplements in excess of 100 ug/day
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, clinically significant cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
- Evidence of any other significant medical disorder or laboratory finding that in the opinion of the Investigator compromises the subject's safety during the study
Trial design
Primary purpose
Allocation
Interventional model
Masking
18 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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