Abstract
Objective To compare the efficiency of transcutaneous electrical acupoint stimulation (TEAS) with those of conventional and TCM herb on bone marrow suppression in small cell lung cancer (SCLC) patients after initial chemotherapy. Methods We recruited 139 participants with pathologically confirmed SCLC who had not received chemotherapy. The conventional group (n = 37) received gemcitabine and cisplatin chemotherapy and routine care. The TCM herb group (n = 35) received 3 Diyushengbai tablets thrice a day for one day prior to chemotherapy and maintained during the trial. The TEAS group (n = 42) received TEAS at a frequency of 65–100 Hz with a pulse width of 100–200 μsec. Acupoints were selected from Dazhui (DU14), Geshu (BL17), Zusanli (ST36), Sanyinjiao (SP6), and Hegu (LI4) and were treated on days 1, 2, 3, 5, 8, 14, 21, and 28 of chemotherapy for 30 min each day. All three groups underwent a 28-day treatment for a total of one treatment course. Changes in the white blood cell, neutrophil, platelet, and hemoglobin indices on day 1 before chemotherapy and days 5, 8, 11, 14, 21, and 28 days after chemotherapy were compared among the groups. Comfort levels of patients on day 1 before chemotherapy and days 5, 11, and 21 after chemotherapy were observed. Results Compared with the conventional group, the white blood cell counts in the TEAS group on days 8 (7.07 ± 2.11 vs. 5.97 ± 2.10 × 109/L) and 14 (6.14 ± 1.51 vs. 5.07 ± 2.41 × 109/L) of chemotherapy and that in the TCM herb group on day 14 (6.63 ± 3.44 vs. 5.07 ± 2.41 × 109/L) of chemotherapy were increased (P < 0.05). Compared with the conventional group, the neutrophil count in the TEAS group on days 5 (4.28 ± 1.54 vs. 3.01 ± 1.41 × 109/L), 8 (3.75 ± 1.21 vs. 2.77 ± 1.17 × 109/L), 11 (3.46 ± 1.31 vs. 2.31 ± 1.24 × 109/L), 14 (3.18 ± 1.29 vs. 2.07 ± 1.14 × 109/L), and 21 (4.67 ± 1.31 vs. 3.58 ± 1.23 × 109/L) of chemotherapy and that in the TCM herb group on day 5 (3.88 ± 1.05 vs. 3.01 ± 1.41 × 109/L) of chemotherapy were increased (P < 0.05). Compared with the conventional group, the platelet count of patients in the TEAS group increased on days 5 (264.7 ± 64.1 vs. 201.0 ± 55.7 × 109/L), 8 (251.3 ± 74.9 vs. 188.2 ± 65.8 × 109/L), 11 (236.7 ± 74.9 vs. 181.3 ± 84.3 × 109/L), and 14 (238.3 ± 75.9 vs. 192.8 ± 95.8 × 109/L) of chemotherapy (P < 0.05). Compared with the TCM herb group, the platelet count in the TEAS group increased on days 5 (264.7 ± 64.1 vs. 216.3 ± 57.9 × 109/L), 8 (251.3 ± 74.9 vs. 213.7 ± 70.3 × 109/L), 11 (236.7 ± 74.9 vs. 181.3 ± 84.3 × 109/L), and 21 (254.8 ± 81.8 vs. 213.9 ± 82.6 × 109/L) of chemotherapy (P < 0.05). Compared with the conventional group, the hemoglobin level in the TCM herb group increased on day 14 (135.03 ± 28.06 vs. 122.09 ± 12.63 g/L) of chemotherapy (P < 0.05). Compared with the conventional group, the comfort score of the TEAS group increased on days 5 (78.31 ± 10.21 vs. 70.18 ± 9.34 score) and 11 (80.07 ± 10.44 vs. 72.11 ± 9.47 score) of chemotherapy (P < 0.05). Conclusion TEAS is an effective and safe treatment modality for improving bone marrow suppression in SCLC patients after initial chemotherapy. TEAS improved comfort levels more effectively than did conventional and TCM herb.
Highlights
Lung cancer is the most common malignant tumor in China and worldwide, with its incidence and mortality increasing in recent years [1, 2]
Diyushengbai tablet, a traditional Chinese herbal medicine, which was widely used for cooling blood and hemostasis, is being used clinically for more than 10 years for the treatment of radiotherapy- and chemotherapy-induced leukopenia
Studies have shown that the Diyushengbai tablet increases levels of white blood cells (WBCs) and platelets and relieves bone marrow depression in leukopenic mice [5, 6]
Summary
Lung cancer is the most common malignant tumor in China and worldwide, with its incidence and mortality increasing in recent years [1, 2]. >90% of chemotherapeutic drugs can cause bone marrow suppression, which is manifested by a decrease in hemoglobin, white blood cells, and platelets. Chemotherapy-induced bone marrow suppression is the most common side effect in the clinical treatment of tumors. It significantly affects the clinical symptoms and immune status for patients with SCLC and may result in dose decrease or even the treatment discontinuation and worsen the disease progression [4]. Studies have shown that the Diyushengbai tablet increases levels of white blood cells (WBCs) and platelets and relieves bone marrow depression in leukopenic mice [5, 6]
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