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Immunomodulatory treatment of immune checkpoint inhibitor-induced myocarditis: Pathway toward precision-based therapy.

免疫检查点抑制剂诱导的心肌炎的免疫调节治疗: 走向精准治疗的途径。

  • 影响因子:1.96
  • DOI:10.1016/j.carpath.2020.107211
  • 作者列表:"Balanescu DV","Donisan T","Palaskas N","Lopez-Mattei J","Kim PY","Buja LM","McNamara DM","Kobashigawa JA","Durand JB","Iliescu CA
  • 发表时间:2020-01-01

:Immune checkpoint inhibitor (ICI)-induced myocarditis carries a poor prognosis and is not fully understood. Similar to lymphocytic myocarditis and acute cellular rejection in heart transplant, ICI-induced myocarditis requires immune suppressive strategies. We aimed to describe ICI-induced myocarditis by presenting findings of comprehensive cardiovascular evaluations and outcomes of patients following a therapeutic approach similar to autoimmune disorders or allograft transplant rejection, and to discuss the molecular basis of the benefits of immune modulation and statins in ICI-myocarditis. Three patients with ICI-induced myocarditis (2 with positive biopsies and 1 based on cardiac magnetic resonance imaging with negative biopsy) underwent a complete cardiovascular workup, including cardiac catheterization with endomyocardial biopsy. Treatment was with intravenous immunoglobulins (IVIG) and statins in all cases, with additional colchicine (2 cases) or hydroxychloroquine (1 case). Immunohistochemical analysis demonstrated varied subsets of T cells involved in the inflammatory response. Therapy with IVIG and statins led to symptom resolution and cardiac function normalization at 1-month follow-up in all patients. Cancer therapy was resumed in all patients. One patient expired 10 months after the myocarditis episode due to advanced malignancy; two patients were alive, free of heart failure symptoms and cancer progression, at 1-year follow-up, and 1 patient was rechallenged with ICI. We suggest that treatment with IVIG and statins may allow for a prompt resumption of anti-cancer therapy (including ICI) and improve outcomes.


: 免疫检查点抑制剂 (ICI) 诱导的心肌炎预后不良,尚不完全清楚。与心脏移植中的淋巴细胞性心肌炎和急性细胞性排斥反应相似,ICI诱导的心肌炎需要免疫抑制策略。我们旨在通过展示综合心血管评价的结果和患者接受类似于自身免疫性疾病或同种异体移植排斥反应的治疗方法的结果来描述ICI诱导的心肌炎。并探讨免疫调节和他汀类药物在ICI-心肌炎中获益的分子基础。3 例ICI引起的心肌炎患者 (2 例活检阳性,1 例基于心脏磁共振成像活检阴性) 接受了完整的心血管检查,包括心内膜心肌活检的心导管检查。所有病例均采用静脉注射免疫球蛋白 (IVIG) 和他汀类药物治疗,加用秋水仙碱 (2 例) 或羟氯喹 (1 例)。免疫组织化学分析显示参与炎症反应的T细胞的不同亚群。IVIG和他汀类药物治疗导致所有患者在 1 个月随访时症状缓解和心功能正常化。所有患者均恢复癌症治疗。1 例患者在晚期恶性肿瘤心肌炎发作 10 个月后到期; 2 例患者存活,1 年随访时无心力衰竭症状和癌症进展,1 例患者再次接受ICI治疗。我们建议用IVIG和他汀类药物治疗可能允许立即恢复抗癌治疗 (包括ICI) 并改善结局。



作者列表:["Zhang B","Li L","Zhang N","Zhao M","Liu Y","Wei L","Ma L","Xu Z"]

METHODS::Blue rubber bleb naevus syndrome (BRBNS) is an extremely rare venous malformation that often manifests as multiple haemangioma-like lesions in the skin and gastrointestinal tract. The drug sirolimus plays a key role in the signalling pathway of angiogenesis and subsequent development of BRBNS and its use has been described in several case reports. We present a case series of four patients with BRBNS who exhibited good treatment response to sirolimus. All four patients were administered oral sirolimus at doses of 1.0-1.5 mg/m2 /day with a target drug level of 5-10 ng/mL and median treatment duration of 20 months. All patients had a reduction in the size of the lesions and a normalization of coagulopathy with tolerable drug adverse reactions at follow-up. Sirolimus may be effective and safe in paediatric patients with BRBNS. Further prospective studies are suggested to evaluate the long-term effectiveness of this drug.

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作者列表:["Pham CT","Juhasz M","Sung CT","Mesinkovska NA"]

METHODS:BACKGROUND:Human papillomavirus (HPV) infections are associated with common dermatologic and nondermatologic diseases. Although HPV vaccines are well established as preventive measures for genital warts and cervical neoplasia, their use as therapeutic agents deserves greater attention. OBJECTIVE:To evaluate the use of HPV vaccine(s) as a treatment modality for cutaneous and/or mucosal disease. METHODS:A primary literature search using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines was conducted in January 2019 by using the PubMed and Cochrane databases. RESULTS:A total of 63 articles with 4439 patients were included. The majority of patients with cutaneous warts, recurrent respiratory papillomatosis, and squamous and basal cell carcinomas were successfully treated with HPV vaccination. Preliminary data on patients with pre-existing anogenital warts, cervical intraepithelial neoplasia, anal intraepithelial neoplasia, and vulvar intraepithelial neoplasia is promising. LIMITATIONS:This review was limited by the lack of controls, patients' previous HPV vaccination status, and publication bias. CONCLUSION:The commercially available three-dose, quadrivalent HPV vaccine is a potential therapeutic option for the treatment of cutaneous warts, recurrent respiratory papillomatosis, and squamous and basal cell carcinomas. Noncommercially available HPV vaccines demonstrate therapeutic response for treating anogenital warts, cervical intraepithelial neoplasia, anal intraepithelial neoplasia, and vulvar intraepithelial neoplasia. The vaccine's efficacy as an adjunct therapy for HPV-associated cutaneous and/or mucosal disease warrants further exploration.

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作者列表:["Lang UE","Love NR","Cheung C","McCalmont TH","Kim J"]

METHODS::Our understanding of melanoma precursors and progression to melanoma has developed as a result of advances in the field of molecular diagnostics. We now better understand the potential for genetic heterogeneity within a single lesion. Combined tumors can pose a diagnostic challenge when deciding the line between benign and malignant, which in turn has direct implications for patient management. Primary cilia (PC) are ubiquitous sensory organelles that have essential functions in cellular proliferation, differentiation, and development. The ciliation index (percentage of ciliated melanocytes) has been shown to reliably differentiate melanoma, which fail to ciliate, from melanocytic nevi, which retain PC. We therefore analyzed the potential for using the ciliation index to differentiate benign and malignant components in combined melanocytic lesions. We collected patient samples (n = 10) of unequivocal combined lesions with both melanoma and associated nevus components. Melanocytes were highlighted with SOX10 and costained with gamma-Tubulin and acetylated alpha-Tubulin to highlight the basal body and cilium, respectively. The number of melanocytes retaining cilia under high-power microscopy was examined. The melanoma component had average of 4% ciliation (SD: 7%), whereas the associated nevus component was significantly higher with 59% ciliation (SD: 17%). These data show that PC may be a reliable means of distinguishing benign from malignant components within a single tumor. The ciliation index may be a helpful tool in distinguishing challenging cases of combined lesions of melanoma in situ with a dermal nevus component from invasive melanoma, thus promoting improved staging and clinical management.

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