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Neuropathy is a common side effect of chemotherapeutics used for the treatment of multiple myeloma, including vincristine, thalidomide and bortezomib. The neuropathy induced by these drugs is often preferentially small fiber. Small fiber neuropathies are difficult to diagnose and quantify using conventional electromyography. Determining intra-epidermal nerve fiber density (IENFD) in skin biopsies from diabetes and AIDS patients has been shown to be a more sensitive and more specific ancillary investigation to establish the diagnosis of small fiber neuropathy. In this study the investigators aim to establish the sensitivity of IENFD measurements in skin biopsies from patients with multiple myeloma treated with bortezomib.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Patients with multiple myeloma |
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| Measure | Description | Time Frame |
|---|---|---|
| intraepidermal nerve fiber density/pain intensity | correlation between intraepidermal nerve fiber density and pain intensity | one timepoint, i.e. date of skin biopsy |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with multiple myeloma receiving bortezomib in a large university hospital
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| Name | Affiliation | Role |
|---|---|---|
| Joost L Jongen | Erasmus Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Erasmus MC, Centrumlocatie en Daniel den Hoed | Rotterdam | South Holland | 3000CA | Netherlands |
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| Label | URL |
|---|---|
| Related Info | View source |
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| ID | Term |
|---|---|
| D009101 | Multiple Myeloma |
| D010523 | Peripheral Nervous System Diseases |
| D009369 | Neoplasms |
| ID | Term |
|---|---|
| D054219 | Neoplasms, Plasma Cell |
| D009370 | Neoplasms by Histologic Type |
| D020141 | Hemostatic Disorders |
| D014652 | Vascular Diseases |
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skin biopsy
| D002318 | Cardiovascular Diseases |
| D010265 | Paraproteinemias |
| D001796 | Blood Protein Disorders |
| D006402 | Hematologic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
| D006474 | Hemorrhagic Disorders |
| D008232 | Lymphoproliferative Disorders |
| D007160 | Immunoproliferative Disorders |
| D007154 | Immune System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |