Peripheral neuropathy of severity greater than grade 1Xx_NEWLINE_xXGrade 2 or greater neuropathyXx_NEWLINE_xXGrade 2 or greater peripheral neuropathyXx_NEWLINE_xXPatients must not have grade 2 or greater peripheral sensory neuropathyXx_NEWLINE_xX=< grade 2 peripheral neuropathyXx_NEWLINE_xXRE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): =< grade 2 peripheral neuropathyXx_NEWLINE_xXPeripheral neuropathy =< grade 1 at the time of registrationXx_NEWLINE_xXPatients must not have peripheral neuropathy >= grade 2Xx_NEWLINE_xXPatients must not have peripheral neuropathy > grade 2Xx_NEWLINE_xXGrade >= 2 peripheral neuropathyXx_NEWLINE_xXPeripheral neuropathy of severity greater than grade 1Xx_NEWLINE_xXPatients with neuropathy > grade 1Xx_NEWLINE_xX=< grade 2 peripheral neuropathy; patients with grade 1 peripheral neuropathy with pain will be excludedXx_NEWLINE_xXPatients with grade >= 2 peripheral neuropathy will not be permitted on studyXx_NEWLINE_xXPatients with >= grade 2 neuropathyXx_NEWLINE_xXPatients must not have baseline peripheral neuropathy that exceeds grade 1Xx_NEWLINE_xXNo grade >= 2 neuropathyXx_NEWLINE_xX