Spots Global Cancer Trial Database for Serum Vitamin D Levels and Peripheral Neuropathy Among Multiple Myeloma Patients

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Trial Identification

Brief Title: Serum Vitamin D Levels and Peripheral Neuropathy Among Multiple Myeloma Patients

Official Title: Correlation Between Serum Vitamin D Levels and the Incidence of Peripheral Neuropathy Among Multiple Myeloma Patients Who Have Previously Received Treatment With Bortezomib or Thalidomide

Study ID: NCT01697839

Conditions

Multiple Myeloma

Peripheral Neuropathy

Interventions

Study Description

Brief Summary: This is a prospective study investigating the relationship between vitamin D and peripheral neuropathy (PN) among multiple myeloma (MM) patients treated with either bortezomib or thalidomide. The study consists of a screening period of up to 14 days, followed by a single assessment visit to evaluate vitamin D levels, incidence and severity of PN, neuropathic pain, and markers of depression. Patient charts will also be utilized to assess the frequency of skeletal-related events.

Detailed Description: Approximately 10% of myeloma patients present at diagnosis with clinical neuropathy although studies reveal as many as 1/3 may have abnormal electrophysiological examinations. Baseline neuropathic abnormal findings are exacerbated by many myeloma treatments, especially bortezomib, thalidomide, and to a lesser extent lenalidomide. Several studies suggest that vitamin D supplementation may help reduce the symptoms of neuropathy.In this prospective study, we will investigate the relationship between vitamin D and PN among MM patients treated with either bortezomib or thalidomide. The study consists of a screening period of up to 14 days, followed by a single assessment visit to evaluate vitamin D levels, incidence and severity of PN, neuropathic pain, and markers of depression. Patient charts will also be utilized to assess the frequency of skeletal-related events.