Introduction Neuropathic pain occurs in 1% of the population and is difficult to manage. This chronic pain causes psychological distress and impacts patient's quality of life, especially in cancer patients. The aim of this study was to show and compare the efficacy of pregabalin and duloxetine, which are reported in the group of first‐line treatment at European Federation of Neurological Societies (EFNS) guidelines on the pharmacological treatment of neuropathic pain (2010 revision) in lung cancer patients by using visual analogue scale (VAS) and Leeds Assessment of Neuropathic Symptoms and Sign (LANSS). Patients and Methods A prospective, randomized, open label, 3 month of study was conducted. A total of 44 patients that were diagnosed with neuropathic pain (14 women and 30 men) were included in the study. Patient's LANSS and VAS values were recorded before treatment. Then, 22 patients undergo pregabalin and 22 patients undergo duloxetine therapy. But due to side effects (dizziness, constipation), two patients had stopped to use pregabalin. Their LANSS and VAS values were recorded after 1 and 3 months of therapy. Results When we compare LANSS and VAS scores before treatment, after 1 and 3 months of treatment with pregabalin and duloxetine, a significant decrease was observed in both groups at the 1 and 3 months (p < .01). Duloxetine is superior to pregabalin in reducing the LANSS scores when we compare two groups. Conclusions Both duloxetine and pregabalin are effective in the treatment of neuropathic pain of lung cancer patients. And as far as we know, this is the first study comparing the efficacy of duloxetine and pregabalin in the neuropathic pain of lung cancer patients.
BackgroundAnemia is a major cause of morbidity in patients with cancer resulting in poor physical performance, prognosis and therapy outcome. The aim of this study is to assess the efficacy of intravenous (iv) iron administration for the correction of anemia, for the prevention of exacerbation of anemia, for decreasing blood transfusion rates, and for the survival of cancer patients.MethodsPatients with different solid tumor diagnosis who received iv iron during their cancer treatment were evaluated retrospectively. Sixty-three patients with hemoglobin (Hgb) levels between ≥ 9 g/dL, and ≤ 10 g/dL, and no urgent need for red blood cell transfusion were included in this retrospective analysis. The aim of cancer treatment was palliative for metastatic patients (36 out of 63), or adjuvant or curative for patients with localized disease (27 out of 63). All the patients received 100 mg of iron sucrose which was delivered intravenously in 100 mL of saline solution, infused within 30 min, 5 infusions every other day. Complete blood count, serum iron, and ferritin levels before and at every 1 to 3 months subsequently after iv iron administration were followed regularly.ResultsInitial mean serum Hgb, serum ferritin and serum iron levels were 9.33 g/dL, 156 ng/mL, and 35.9 μg/dL respectively. Mean Hgb, ferritin, and iron levels 1 to 3 months, and 6 to 12 months after iv iron administration were 10.4 g/dL, 11.2 g/dL, 298.6 ng/mL, 296.7 ng/mL, and 71.6 μg/dL, 67.7 μg/dL respectively with a statistically significant increase in the levels (p < 0.001). Nineteen patients (30 %) however had further decrease in Hgb levels despite iv iron administration, and blood transfusion was necessary in 18 of these 19 patients (28.5 %). The 1-year overall survival rates differed in metastatic cancer patients depending on their response to iv iron; 61.1 % in responders versus 35.3 % in non-responders, (p = 0.005), furthermore response to iv iron correlated with tumor response to cancer treatment, and this relation was statistically significant, (p < 0.001).ConclusionsIv iron administration in cancer patients undergoing active oncologic treatment is an effective and safe measure for correction of anemia, and prevention of worsening of anemia. Amelioration of anemia and increase in Hgb levels with iv iron administration in patients with disseminated cancer is associated with increased tumor response to oncologic treatment and overall survival. Response to iv iron may be both a prognostic and a predictive factor for response to cancer treatment and survival.
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