Levocarnitine Supplement Relieves Chemotherapy-Induced Fatigue

Publication
Article
Oncology NEWS InternationalOncology NEWS International Vol 10 No 7
Volume 10
Issue 7

SAN FRANCISCO-Preliminary data from an uncontrolled pilot study suggest that levocarnitine (L-Carnitine, Carnitor) supplementation can reduce fatigue in some patients. Francesco Graziano, MD, found that 87% of patients given levocarnitine 4 g/day po for 7 days reported reduced fatigue. Dr. Graziano is in the medical oncology department at the Hospital of Urbino, Italy.

SAN FRANCISCO—Preliminary data from an uncontrolled pilot study suggest that levocarnitine (L-Carnitine, Carnitor) supplementation can reduce fatigue in some patients. Francesco Graziano, MD, found that 87% of patients given levocarnitine 4 g/day po for 7 days reported reduced fatigue. Dr. Graziano is in the medical oncology department at the Hospital of Urbino, Italy.

"Carnitine deficiencies may have a role in the development of chemotherapy-induced fatigue. The carnitine system is necessary for glucose and lipid metabolism in cells, and carnitine is essential for mitochondrial energy production. Chemotherapy causes urinary loss of carnitine, which may lead to asthenia due to impaired energy metabolism," Dr. Graziano said.

The pilot study of levocarnitine supplementation included 30 patients who complained of asthenia after adjuvant or palliative cancer chemotherapy. Inclusion criteria included Eastern Cooperative Oncology Group (ECOG) performance status of 0-1, normal nutritional status, normal renal and liver function, and adequate bone marrow reserve. Patients with anemia or other asthenia-associated comorbid conditions were excluded, as were patients receiving corticosteroids, psychostimulants, or vitamins.

Lasting Effect

Median hemoglobin was 13 g/dL. Primary disease included gastric cancer (7), lung cancer (7), breast cancer (5), ovarian cancer (4), sarcoma (4) and other cancers (3). Twenty-three patients had received palliative chemotherapy, and seven had received adjuvant chemotherapy with curative intent. Twenty patients received cisplatin (Platinol)-based regimens, four received ifosfamide (Ifex)-based regimens, and six received taxanes.

The Functional Assessment of Cancer Therapy-Fatigue (FACT-F) quality of life questionnaire was used to measure fatigue at baseline and weekly during treatment.

"After 1 week of levocarnitine, fatigue improved in 26 patients (87%). The median FACT-F score at baseline was 35 (range 20-41). In the 26 patients who improved, fatigue did not recur, and they maintained the FACT-F score until the next cycle of chemotherapy," Dr. Graziano reported.

"The difference between pretreatment and posttreatment FACT-F scores was statistically significant [P < 0.001]," he continued. His group is now considering further investigation of levocarnitine in a randomized, placebo-controlled study.

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