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A Strategy for Precise Treatment of Cardiac Malignant Neoplasms.

ABSTRACT: The prevalence of cardiac malignant neoplasms in the general population has been shown to be significant higher than what was previously estimated, yet their treatment has remained difficult and effective therapies are lacking. In the current study, we developed a novel thermotherapy in which PEG-functionalized carbon nanotubes were injected into the tumor regions to assist in the targeted delivery of infrared radiation energy with minimal hyperthermic damage to the surrounding normal tissues. In a mouse model of cardiac malignant neoplasms, the injected carbon nanotubes could rapidly induce coagulative necrosis of tumor tissues when exposed to infrared irradiation. In accordance, the treatment was also found to result in a restoration of heart functions and a concomitant increase of survival rate in mice. Taken together, our carbon nanotube-based thermotherapy successfully addressed the difficulty facing conventional laser ablation methods with regard to off-target thermal injury, and could pave the way for the development of more effective therapies against cardiac malignant neoplasms.

SUBMITTER: Wang W

PROVIDER: S-EPMC5385561 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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A Strategy for Precise Treatment of Cardiac Malignant Neoplasms.

Wang Wenshuo W Shen Jinqiang J Tao Hongyue H Zhao Yun Y Nian Hui H Wei Lai L Ling Xiaoyuan X Yang Ye Y Xia Limin L

Scientific reports 20170410

The prevalence of cardiac malignant neoplasms in the general population has been shown to be significant higher than what was previously estimated, yet their treatment has remained difficult and effective therapies are lacking. In the current study, we developed a novel thermotherapy in which PEG-functionalized carbon nanotubes were injected into the tumor regions to assist in the targeted delivery of infrared radiation energy with minimal hyperthermic damage to the surrounding normal tissues. I ...[more]

PMID: 28393926

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Project description:An indirect consequence of the improved long-term survival seen in patients with breast cancer (BC) is the increased risk of hematologic malignant neoplasms (HM). This study aimed to analyze the role of postoperative treatment for BC in the development of subsequent HM. Using the French National Health Data System, we examined the HM risks in patients diagnosed with an incident primary breast cancer between 2007 and 2015, who underwent surgery as first-line treatment for BC. Main outcomes were acute myeloid leukemia (AML), Myelodysplastic syndrome (MDS), myeloproliferative neoplasms (MPNs), multiple myeloma (MM), Hodgkin's lymphoma or non-Hodgkin's lymphoma (HL/NHL), and acute lymphoblastic leukemia or lymphocytic lymphoma (ALL/LL). Analyses were censored at HM occurrence, death, loss to follow up, or December 2017. The risk of each type of HM was compared according to the initial postoperative treatment of breast cancer. Of a total of 324,056 BC survivors, 15.5% underwent surgery only, 46.7% received radiotherapy after surgery, 4.3% received chemotherapy after surgery, and 33.5% received all three modalities. Overall, 2236 cases of hematologic malignancies occurred. Compared to the surgery alone group, AML was significantly increased after surgery plus radiation (aHR, 1.5; 95% CI, 1.0-2.1), surgery plus chemotherapy (aHR, 2.1; 95% CI, 1.2-3.6) and all modalities (aHR, 3.3; 95% CI, 2.3-4.7). MDS was significantly increased after surgery plus chemotherapy (aHR, 1.7; 95% CI, 1.1-2.5) or after all modalities (aHR, 1.4; 95% CI, 1.1-1.8). HL/NHL were significantly increased only in the radiotherapy and surgery group (aHR, 1.3; 95% CI, 1.0-1.6). A nonsignificant increase of ALL/LL (aHR, 1.8; 95% CI, 0.6-3.5) was noted after chemotherapy and with all three modalities (aHR, 1.4; 95% CI, 0.7-2.8). Our population based study revealed increased risks of various HM associated with postoperative BC treatment. The added benefit of chemotherapy and radiation therapy should take into consideration these long-term complications.

Dataset Information

A Strategy for Precise Treatment of Cardiac Malignant Neoplasms.

Publications

A Strategy for Precise Treatment of Cardiac Malignant Neoplasms.

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