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Fujii H, Taniguchi Y, Yoneda S, Miwa K, Yanaka K, Emoto N, Hirata K. Efficacy and safety of balloon pulmonary angioplasty for patients with chronic thromboembolic pulmonary hypertension comorbid to chronic obstructive pulmonary disease. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Balloon pulmonary angioplasty (BPA) would be promising treatment option for non-operable chronic thromboembolic pulmonary hypertension (CTEPH). However, BPA for CTEPH with Chronic obstructive pulmonary disease (COPD) might exacerbate ventilation perfusion mismatch. The aim is to evaluate the efficacy and safety of BPA for CTEPH with moderate or severe COPD.
Method
Data from 149 CTEPH patients were collected retrospectively who underwent BPA from March 2011 to June 2021. Patients were divided according to the comorbidity of COPD: a COPD group (defined as forced expiratory volume in one second (FEV1.0) / forced vital capacity (FVC)<70% and FEV1.0<80% predicted [n=32]) or a non-COPD group [n=101]. Mild COPD patients (n=16) were excluded. Hemodynamics and respiratory parameters were compared.
Results
Hemodynamics improved similarly in both group (percent decrease of pulmonary vascular resistance; −61.1±12.3% in a COPD group, −65.8±11.1% in a non-COPD group, p=N.S). Patients in a COPD group showed improved respiratory function and oxygenation with FEV1.0% from 61.8±7.0% to 66.5±10.2% (p=0.02), and partial pressure of arterial oxygen from 60.9±10.6mmHg to 69.3±13.6mmHg (p<0.01). Higher vital capacity (r2=0.123, p=0.024), higher diffusing capacity for lung carbon monoxide (r2=0.308, p=0.028) at baseline were correlated with larger improvement of oxygenation after BPA in multivariate linear analyses. Lung injury per session was 1.6% in a COPD group.
Conclusion
The efficacy and safety of BPA for non-operable CTEPH with COPD were equivalent to those of patients without COPD. Oxygenation and FEV1.0% also improved in COPD patients. BPA might be considered even though patients comorbid COPD.
Funding Acknowledgement
Type of funding sources: None.
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Hirata K, Naruse H, Yamamoto Y, Hatanaka K, Kinoshita K, Abiko S, Suzuki K, Nakajima K, Katagiri M, Takano M, Ozasa M, Umemura M, Nakajima S, Aoyama K, Sasaki T, Kuwatani M, Sakamoto N, Tanikawa S, Okazaki N, Tanaka S. Gastrointestinal: Rare malignant biliary stricture with rapid progression. J Gastroenterol Hepatol 2022; 37:1839. [PMID: 35307882 DOI: 10.1111/jgh.15802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 12/09/2022]
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Yamada T, Hirata K, Ichikawa D, Ikeda M, Fujita F, Eto K, Yukawa N, Kojima Y, Matsuda A, Shimoyama R, Ochiai H, Kumamoto K, Takayama Y, Komono A, Sonoda H, Ohta R, Yokoyama Y, Yoshida H, Kaibori M, Takemasa I. Clinical impact of laparoscopic surgery and adhesion prevention material for prevention of small bowel obstruction. Ann Gastroenterol Surg 2022; 6:651-657. [PMID: 36091308 PMCID: PMC9444862 DOI: 10.1002/ags3.12569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/24/2022] [Accepted: 03/08/2022] [Indexed: 11/25/2022] Open
Abstract
Aim Adhesive small bowel obstructions (SBO) are one of the most common complications following abdominal surgery, and they decrease patient quality of life. Since 2000, laparoscopic surgery has been employed with increasing frequency, as has adhesion prevention material (APM). In this study we tried to evaluate whether laparoscopic surgery and APM reduce the incidence of SBO. Methods In Cohort 1, we included patients who developed SBO and received inpatient treatment between 2015 and 2018. We evaluated the elapsed time between precedent surgery and the onset of SBO, and what kind of surgery most often causes SBO. In Cohort 2, we included patients who underwent digestive surgery between 2012 and 2014 and evaluated SBO incidence within 5 y after the precedent surgery. Results In all, 2058 patients were included in Cohort 1. Of these, 164 had experienced no precedent surgery. Among patients with a history of abdominal surgery, 29.7% experienced SBO within 1 y after the precedent surgery and 48.1% within 3 y. Altogether, 18798 patients were analyzed in Cohort 2. The incidence of SBO after laparoscopic colorectal surgery was lower than that of open colorectal surgery (P < .001), and laparoscopic gastroduodenal surgery was also lower (P = .02). However, there were no differences between laparoscopic and open surgery for other types of surgery. The use of APM had no effect on SBO incidence in any type of abdominal surgery. Conclusions Laparoscopic surgery helps to reduce SBO incidence only in colorectal surgery, and possibly in gastroduodenal surgery. APM does not reduce SBO after abdominal surgery.
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Watanabe J, Maeda H, Nagasaka T, Yokota M, Hirata K, Akazawa N, Kagawa Y, Yamada T, Shiozawa M, Ando T, Kato T, Mishima H, Sakamoto J, Oba K, Nagata N. Multicenter, single-arm, phase II study of the continuous use of panitumumab in combination with FOLFIRI after FOLFOX for RAS wild-type metastatic colorectal cancer - Exploratory sequential examination of acquired mutations in circulating cell-free DNA. Int J Cancer 2022; 151:2172-2181. [PMID: 35723084 DOI: 10.1002/ijc.34184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 05/26/2022] [Accepted: 05/30/2022] [Indexed: 11/11/2022]
Abstract
This multicenter single-arm, phase II study evaluated the efficacy and safety of uninterrupted panitumumab usage combined with cytotoxic doublets for unresectable/metastatic colorectal cancer (mCRC). Additionally, clinical value of the RAS/BRAF mutation status in circulating cell-free DNA (ccfDNA) was evaluated; this evaluation was measured independently of the protocol treatment. Eligible patients with RAS wild-type mCRC who had received the first-line panitumumab plus FOLFOX treatment were recruited and administered continuous panitumumab combined with FOLFIRI. Progression-free survival (PFS) at 6 months was the primary endpoint, with threshold and expected values of 35% and 50%, respectively. In total, 54 patients were enrolled between October 2017 and October 2019. The crude 6-month PFS rate was 37.0%, with a 4.8-month median PFS. The response rate and disease control rate were 16.7 % and 50.0%, respectively. Notably, of the 54 participants, 17 showed RAS/BRAF mutations until the end of the protocol treatment, and of the 22 patients with progressive disease as their best response, 10 possessed RAS/BRAF mutations in their plasma ccfDNA at baseline. The median PFS significantly differed among patients harboring tumors with BRAF and RAS mutations and those with wild-type tumors. In conclusion, this study failed to show the expected efficacy of the continuous panitumumab use in the second-line treatment. Liquid biopsy discriminated the duration of PFS according to the mutation status. The effectiveness of continuous treatment with panitumumab should be evaluated in patients with RAS/BRAF wild-type mCRC determined by liquid biopsy at the start of the second-line treatment.
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Mori Y, Okawara M, Fujimoto K, Oba T, Sato N, Kohi S, Tamura T, Nagata J, Fujino Y, Fushimi K, Matsuda S, Shibao K, Hirata K. Evaluation of cholecystectomy in older individuals using real-world data: a multilevel analysis based on a nationwide administrative database in Japan. J Gastroenterol 2022; 57:433-440. [PMID: 35412148 DOI: 10.1007/s00535-022-01873-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/23/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND In the present study, we aimed to evaluate the clinical outcomes of cholecystectomy in older individuals. METHODS In this retrospective study, data from the Japanese Diagnosis Procedure Combination database on 96,620 patients who had undergone cholecystectomy at 1060 hospitals from 2018 to 2020 were analyzed. Patients were divided into five age groups: < 75, 75-79, 80-84, 85-89, and ≥ 90 years. Associations between postoperative outcomes and age group were investigated by logistic regression analysis. Mean differences between age groups in time to postoperative recovery and cost were also compared. RESULTS Older patients had higher rates of poor scores for activities of daily living and preoperative comorbidity. Compared with the youngest age group (< 75 years), the odds ratios for in-hospital mortality were 3.00 (95% confidence interval, 1.74-5.19), 7.54 (4.73-12.01), 13.47 (8.21-22.14), and 27.64 (15.56-49.09), in the 75-79, 80-84, 85-89, and ≥ 90-year-old age group, respectively (all p < 0.001). Furthermore, the length of postoperative hospital stay and rates of postoperative complications, postoperative reintubation, and reoperation with general anesthesia increased significantly in parallel with increasing age, the highest rates being in the ≥ 90 year-old age group. CONCLUSIONS Our real-world data highlight the worse postoperative outcomes, including a higher mortality rate, in older patients undergoing cholecystectomy. Care should be taken when considering the indications for surgery in such patients.
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Ishiyama S, Yamada T, Nakamura M, Enomoto M, Sugimoto K, Yokomizo H, Kosugi C, Ohta R, Ishimaru K, Sonoda H, Ishibashi K, Kuramochi H, Yoshida Y, Ichikawa D, Hirata K, Yoshida H, Hashiguchi Y, Ishida H, Koda K, Katsumata K, Sakamoto K. Efficacy and safety of regorafenib dose-escalation therapy for Japanese patients with refractory metastatic colorectal cancer (RECC study). Int J Clin Oncol 2022; 27:1300-1308. [PMID: 35635652 DOI: 10.1007/s10147-022-02179-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/24/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Regorafenib significantly improves overall survival in previously treated metastatic colorectal cancer patients. However, various toxicities, such as hand-foot skin reaction (HFSR), fatigue, and liver dysfunction have limited the use of regorafenib. These toxicities appear soon after treatment initiation. The ReDOS study demonstrated the effectiveness of a weekly dose-escalation therapy of regorafenib starting with a lower daily dose; however, its usefulness in Asian subjects is unknown. We conducted a phase II study to evaluate the safety and survival benefit of regorafenib dose-escalation therapy for Japanese patients. METHODS Patients with sufficient organ function, who had previously received more than two lines of chemotherapy were included. Regorafenib was started at 80 mg/day and escalated to 120 mg/day in Week 2 and 160 mg/day in Week 3, if no severe drug-related toxicities were observed. The primary endpoint was cancer progression-free survival (PFS). Tumor response and progression were assessed radiologically every 8 weeks. This study was registered in the University Hospital Medical Information Network (UMIN#UMIN000028933). RESULTS 57 patients were enrolled and all started regorafenib at 80 mg/day. 32 patients (56.1%) were subsequently escalated to 120 mg/day and 19 (33.3%) to 160 mg/day. Only 8 patients (14.0%) discontinued treatment because of adverse events. Median PFS was 1.9 months. Median overall survival was 8.9 months, the response rate was 0%, and the disease control rate was 31.6%. The most frequent adverse event greater than grade 3 was hypertension (19.3%), followed by HFSR (14.0%). CONCLUSIONS Regorafenib dose-escalation therapy is well tolerated with PFS-like regorafenib standard therapy.
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Adachi Y, Sato N, Oba T, Amaike T, Kudo Y, Kohi S, Nakayama T, Hirata K. Prognostic and functional role of hyaluronan‑binding protein 1 in pancreatic ductal adenocarcinoma. Oncol Lett 2022; 24:222. [PMID: 35720501 PMCID: PMC9178692 DOI: 10.3892/ol.2022.13343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/06/2022] [Indexed: 12/24/2022] Open
Abstract
Hyaluronan-binding protein 1 (HABP1) is among the molecules known to bind to hyaluronan and is involved in a variety of cellular processes, including cell proliferation and migration. HABP1 has been implicated in the progression of various cancers; however, there have been (to the best of our knowledge) few studies on the expression and function of HABP1 in pancreatic ductal adenocarcinoma (PDAC), a topic that is examined in the present study. Immunohistochemical analysis of HABP1 protein was conducted in archival tissues from 105 patients with PDAC. Furthermore, the functional effect of HABP1 on proliferation, colony formation, and migration in PDAC cells was examined by knockdown of HABP1. It was revealed that HABP1 was overexpressed in 49 (46.2%) out of 105 patients with PDAC. Overall survival was significantly shorter in patients with high HABP1 expression than in those with low HABP1 expression (median survival time of 12.8 months vs. 28.5 months; log-rank test, P=0.004). Knockdown of HABP1 expression in PDAC cells resulted in decreased cell proliferation, colony formation, and cell migration activity. Thus, HABP1 may serve as a prognostic factor in PDAC and may be of use as a novel therapeutic target.
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Ohira S, Jo T, Kakumae S, Nakatsuka T, Morinaka H, Takasaki H, Hirata K, Sugiyama S, Shimizu S, Kaifu M, Fujii T, Miyaji Y, Nagai A. Long-term outcomes of testosterone replacement therapy for patients with late-onset hypogonadism syndrome. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ohira S, Tone S, Nakatsuka T, Morinaka H, Takasaki H, Hirata K, Shimizu S, Nagai A. Anti-inflammatory effect of indoleamine 2,3-dioxygenase 1 inhibition for lipopolysaccharide induced epididymitis. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hirata K, Ohira S, Tone S, Nakatsuka T, Morinaka H, Takasaki H, Sugiyama S, Shimizu S, Nagai A. Pathological analysis of spermatic dysfunction in testicular ischemia-reperfusion injury. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Shimizu S, Jo T, Kakumae S, Nakatsuka T, Morinaka H, Hirata K, Takasaki H, Sugiyama S, Ohira S, Kaifu M, Fujii T, Miyaji Y, Nagai A. Surveillance of sexual function after Robot-assisted laparoscopic radical prostatectomy. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yamada K, Saiki Y, Komori K, Shiomi A, Ueno M, Ito M, Hida K, Yamamoto S, Shiozawa M, Ishihara S, Kanemitsu Y, Ueno H, Kinjo T, Maeda K, Kawamura J, Fujita F, Takahashi K, Mizushima T, Shimada Y, Sasaki S, Sunami E, Ishida F, Hirata K, Ohnuma S, Funahashi K, Watanabe J, Kinugasa Y, Yamaguchi S, Hashiguchi Y, Ikeda M, Sudo T, Komatsu Y, Koda K, Sakamoto K, Okajima M, Ishida H, Hisamatsu Y, Masuda T, Mori S, Minami K, Hasegawa S, Endo S, Iwashita A, Hamada M, Ajioka Y, Usuku K, Ikeda T, Sugihara K. Characteristics of anal canal cancer in Japan. Cancer Med 2022; 11:2735-2743. [PMID: 35274487 PMCID: PMC9302302 DOI: 10.1002/cam4.4631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 01/07/2022] [Accepted: 01/20/2022] [Indexed: 01/06/2023] Open
Abstract
Anal canal cancer (ACC) has been reported to be an uncommon cancer in Japan, as in the USA, Europe, and Australia. This retrospective multi‐institutional study was conducted to clarify the characteristics of ACC in Japan. First, the histological ACC type cases treated between 1991 and 2015 were collected. A detailed analysis of the characteristics of anal canal squamous cell carcinoma (SCC) cases was then conducted. The results of the histological types revealed that of the 1781 ACC cases, 435 cases (24.4%) including seven cases of adenosquamous cell carcinomas were SCC and 1260 cases (70.7%) were adenocarcinoma. However, the most common histological type reported in the USA, Europe, and Australia is SCC. Most ACC cases are adenocarcinomas and there is a low incidence of SCC in Japan which is different from the above‐mentioned countries. Moreover, we reclassified T4 into the following two groups based on tumor size: T4a (tumor diameter of 5 cm or less) and T4b (tumor diameter of more than 5 cm). The results of the TNM classification of SCC revealed that the hazard ratio (HR) to T1 of T2, T3, T4a, and T4b was 2.45, 2.28, 2.89, and 4.97, respectively. As T4b cases had a worse prognosis than T4a cases, we propose that T4 for anal canal SCC in Japan be subclassified into T4a and T4b.
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Oba T, Yamada T, Matsuda A, Otani M, Matsuda S, Ohta R, Yoshida H, Sato N, Hirata K. Patient backgrounds and short-term outcomes of complicated appendicitis differ from those of uncomplicated appendicitis. Ann Gastroenterol Surg 2022; 6:273-281. [PMID: 35261953 PMCID: PMC8889856 DOI: 10.1002/ags3.12523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/08/2021] [Accepted: 10/15/2021] [Indexed: 11/24/2022] Open
Abstract
Background Appendicitis is classified as either complicated (CA) or uncomplicated (UA). Some authors have shown that the epidemiologic trends of CA and UA may differ. The aim of this study was to clarify differences in backgrounds and surgical outcomes between CA and UA patients. Methods This study was a cohort study. We extracted case data from the Japanese Diagnosis Procedure Combination (DPC) database from January 2014 to December 2017. Patients were classified into three groups, depending on whether they underwent emergency appendectomy for CA (CA group), emergency appendectomy for UA (UA group), or elective appendectomy (EA group). We evaluated patient characteristics and surgical outcomes for each group. Results We included 89,355 adult patients in the study, comprising 29,331 CA, 48,691 UA, and 11,333 EA patients. Old age, larger body mass index, smoking, and medication with antidiabetic drugs, oral corticosteroids, oral antiplatelet drugs, and oral anticoagulant drugs were independent risk factors for CA. The percentage of CA increased with age. In-hospital mortality (0.15%, 0.02%, and 0.00%) and 30-d mortality (0.09%, 0.01%, and 0.00%), respectively, of CA patients were significantly higher than those of the UA and EA groups. The duration of postoperative antibiotic administration, duration of fasting, and time before removal of a prophylactic drain were significantly longer in the CA group than in the UA and EA groups. Conclusion Backgrounds and treatment outcomes of CA and UA patients after emergency surgery are entirely different. Thus, the treatment strategy of CA and UA patients should differ accordingly.
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Matsuda A, Yamada T, Takahashi T, Hirata K, Nagasaka T, Ishimaru K, Sakamoto K, Koda K, Ishikawa T, Ishida H, Matsuda K, Kuramochi H, Yoshida Y, Sonoda H, Yoshida H. A Trial Protocol of Precision Medicine for Patients with RAS Wild Metastatic Colorectal Cancer Using Liquid Biopsy (RAS-liquid Study): A Prospective, Multicenter Observational Study. J Anus Rectum Colon 2022; 6:52-57. [PMID: 35128137 PMCID: PMC8801244 DOI: 10.23922/jarc.2021-042] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/01/2021] [Indexed: 12/24/2022] Open
Abstract
Background: Anti-epidermal growth factor receptor (EGFR) therapy has been identified to prolong the survival of metastatic colorectal cancer (mCRC) patients without RAS mutations. However, its efficacy is not always consistent for these patients. Genomic profiles of primary tumors and metastases are not always concordant; thus, chemotherapeutic agents can alter the tumor molecular profile. This molecular heterogeneity may explain resistance to anti-EGFR therapy. Liquid biopsy using circulating tumor DNA (ctDNA) is a novel, non-invasive diagnostic tool that can accommodate this molecular heterogeneity, providing a comprehensive, real-time view of the molecular landscape. In this study, we evaluated the predictive value of genomic mutations in ctDNA for primary and acquired resistance to anti-EGFR therapy. Methods/Design: This study is a prospective, multicenter, observational study of mCRC patients with wild-type tissue RAS treated with cytotoxic agents and anti-EGFR antibodies as first-line therapy. Genomic mutations, including RAS, BRAF, PIK3CA, and EGFR in ctDNA, are assessed via Droplet Digital PCR before starting chemotherapy and every 3 months thereafter until disease progression. The target sample size is estimated to be 100. The primary endpoint is the response rate in patients without RAS mutation in their blood sample before starting chemotherapy. Discussion: This study will clarify the predictive value of baseline RAS mutation in ctDNA for responses to anti-EGFR therapy; the frequency of emerging RAS, BRAF, PIK3CA, and EGFR mutations in ctDNA; and the association with secondary resistance to anti-EGFR therapy in first-line therapy for wild-type tissue RAS mCRC patients.
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Teramae S, Muguruma N, Okamoto K, Oseto K, Nishikawa R, Tanoue T, Hirata K, Yanai S, Matsumoto T, Shimizu S, Miwa J, Sasaki Y, Yashima K, Ohnuma H, Sato Y, Kitayama Y, Ohda Y, Yamauchi A, Sanomura Y, Tanaka K, Kubo Y, Ishikawa H, Bando Y, Sonoda T, Takayama T. Cancer risk and genotype-phenotype correlation in Japanese patients with Cowden syndrome. Int J Clin Oncol 2022; 27:639-647. [PMID: 35106660 DOI: 10.1007/s10147-022-02116-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 12/26/2021] [Indexed: 01/25/2023]
Abstract
BACKGROUND Cowden syndrome (CS) is an autosomal-dominant hereditary disorder caused by a germline PTEN variant and characterized by multiple hamartomas and a high risk of cancers. However, no detailed data on CS in Asian patients nor genotype-phenotype correlation have been reported. METHODS We performed the first Japanese nationwide questionnaire survey on CS and obtained questionnaire response data on 49 CS patients. RESULTS Patients included 26 females (median age 48 years). The incidence of breast, thyroid, endometrium, and colorectal cancer was 32.7%, 12.2%, 19.2% (among females), and 6.1%, respectively. The incidence of any cancers was relatively high among all patients (46.9%, 23/49), and particularly female patients (73.1%, 19/26), compared with previous reports from Western countries. Gastrointestinal (GI) polyps were more frequently found throughout the GI tract compared with previous studies. PTEN variants were detected in 95.6% (22/23) of patients; 12 in the N-terminal region (11 in phosphatase domain) and 10 in the C-terminal (C2 domain) region. The incidence of cancer in the C2 domain group was significantly higher than in the N-terminal region (phosphatase) group. All female patients with C2 domain variant had breast cancer. CONCLUSION Our data suggest that Japanese patients with CS, particularly female patients and patients with C2 domain variant may have a high risk of cancers.
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Kotaka M, Shirasu H, Watanabe J, Yamazaki K, Hirata K, Akazawa N, Matsuhashi N, Yokota M, Ikeda M, Kato K, Aleshin A, Sharma S, Kotani D, Oki E, Takemasa I, Kato T, Nakamura Y, Taniguchi H, Mori M, Yoshino T. Association of circulating tumor DNA dynamics with clinical outcomes in the adjuvant setting for patients with colorectal cancer from an observational GALAXY study in CIRCULATE-Japan. J Clin Oncol 2022. [DOI: 10.1200/jco.2022.40.4_suppl.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
9 Background: Circulating tumor DNA (ctDNA)-based molecular residual disease (MRD) has the potential to select patients who may benefit more from standard-of-care (SOC) adjuvant chemotherapy (ACT) by accurately assessing recurrence-risk post-surgery and by evaluating ACT efficacy. Here we present an analysis from GALAXY study, an observational study monitoring MRD, to evaluating the association of ctDNA dynamics with a short-term clinical outcome and ACT efficacy. Methods: A personalized tumor-informed assay (Signatera bespoke multiplex-PCR NGS assay) was used for post-surgical MRD detection in colorectal cancer (CRC) patients. Six-month disease-free survival (6M-DFS) rates were analyzed excluding patients enrolled in associated phase III trials (VEGA and ALTAIR). Results: Total 1,365 CRC patients enrolled between June 2020 and April 2021 were included in this analysis; 116 pStage I, 478 pStage II, 503 pStage III, and 268 oligomet resectable pStage IV (16% [42/268] received neoadjuvant chemotherapy). 6M-DFS rate by ctDNA dynamics from 4w to 12w were 98% in ‘negative to negative’ group (N = 618), 59% in ‘negative to positive’ (N = 32), 100% in ‘positive to negative’ (N = 58), and 45% in ‘positive to positive’ (N = 78), with a significant difference between ‘positive to negative’ and ‘positive to positive’ groups with hazard ratio (HR) of 52.3 (95% CI: 7.2-380.5; p < 0.001), with a median follow-up time of 6.6 months. Further, out of 188 patients who were MRD+ at 4w with available MRD status at 12w, 95 received SOC ACT (80/95 received fluoropyrimidine [FP] + oxaliplatin and 15 received FP alone) by an investigator’s decision. ctDNA clearance rate at 12w was significantly higher in ACT vs. non-ACT; 57% (54/95) vs. 8% (7/93) in pStage I-IV (p < 0.001), and 58% (42/72) vs. 11% (4/37) in pStage II-III (p < 0.001). In addition, ctDNA clearance rate at 24w was also significantly higher in ACT vs. non-ACT; 26% (7/27) vs. 0% (0/30) in pStage I-IV (p = 0.003), and 33% (7/21) vs. 0% (0/15) in pStage II-III (p = 0.03). Cumulative incidence of ctDNA clearance was significantly higher in ACT vs. non-ACT (67% vs. 7% by 24w; cumulative HR = 17.1; 95% CI: 6.7-43.4, p < 0.001). Among 4w-MRD+ patients, 6M-DFS rate was significantly higher in ACT vs. non-ACT; 84% vs. 34% (HR = 0.15; 95% CI: 0.078-0.25; p < 0.001), which was seen in all stages, including pStage II. Conclusions: This analysis from the GALAXY study, is the largest MRD study to date, demonstrating the association of ctDNA dynamics with improved clinical outcomes in MRD+ patients. Our study shows that stratifying post-surgical treatment decisions using the assay can identify patients likely to benefit from ACT across all stages, including pStage II. ctDNA-guided adjuvant strategy will further be established by ongoing randomized VEGA and ALTAIR studies and will be presented in the future conferences. Clinical trial information: jRCT1031200006.
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Adachi Y, Katsuki T, Sasaguri T, Hirata K, Nagata N. Invasive cribriform carcinoma of the breast detected incidentally on computed tomography: A case report. Clin Case Rep 2021; 9:e05214. [PMID: 34950479 PMCID: PMC8673029 DOI: 10.1002/ccr3.5214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/25/2021] [Accepted: 12/03/2021] [Indexed: 11/10/2022] Open
Abstract
Invasive cribriform carcinoma is a rare type of invasive breast carcinoma, and a few cases have been reported. Its features are a cribriform pattern resembling the histological structures of cribriform ductal carcinoma in situ and an excellent prognosis. However, the extent of progress for intraductal extension must be carefully evaluated.
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Sonoda H, Yamada T, Hirata K, Matsuhashi N, Ichikawa D, Yukawa N, Eto K, Koda K, Hasegawa S, Matsuda A, Ito S, Yokoyama Y, Yoshida H, Ishihara S. A Trial Protocol to Investigate the Incidence of Postoperative Bowel Obstruction after Laparoscopic Colorectal Cancer Surgery Using an Absorbable Adhesion Barrier Material (INTERCEED Ⓡ) (Balsam CEED Study): A Prospective, Multicenter, Observational Study. JOURNAL OF THE ANUS RECTUM AND COLON 2021; 5:414-418. [PMID: 34746506 PMCID: PMC8553355 DOI: 10.23922/jarc.2021-030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/25/2021] [Indexed: 11/30/2022]
Abstract
Background Some studies have reported that adhesion prevention barriers (APBs) reduce adhesion after abdominal surgery; however, evidence showing that APBs reduce the incidence of postoperative small bowel obstruction (SBO), one of the most serious complications after abdominal surgery, is little. One concern is that APBs are usually applied only under the midline incision, although adhesion can occur at any place in the peritoneum where an incision is made during surgery. INTERCEEDⓇ is an APB that reportedly prevents postoperative SBO after surgery. This study aims to assess the clinical utility of INTERCEEDⓇ for the prevention of SBO after laparoscopic colorectal cancer surgery and determine whether the application site of INTERCEEDⓇ affects the incidence of SBO. Methods/Design This study is a prospective, multicenter, observational study conducted in Japan. The primary end point is the incidence of postoperative SBO 2 years after laparoscopic colorectal cancer surgery. The secondary end points include whether the site of the application of INTERCEEDⓇ affects the incidence of SBO. Each surgeon selects one of the following three procedures: 1) INTERCEEDⓇ is placed only under the midline incision; 2) INTERCEEDⓇ is placed at the site of bowel mobilization and/or lymph node dissection, but not under the midline incision; and 3) INTERCEEDⓇ is placed at both sites. Discussion This is the first study to assess whether the placement of APBs affects the incidence of SBO. The study results may lead to a subsequent randomized study.
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Takeuchi M, Katsuki T, Yoshida K, Onoda M, Iwamura M, Inokuchi T, Furutani A, Katoh T, Kawano K, Hirata K. Successful Pre-Operative Local Control of Skin Invasion of Breast Cancer Using a Combination of Systemic Chemotherapy and Mohs Paste. J Breast Cancer 2021; 24:481-490. [PMID: 34725974 PMCID: PMC8561132 DOI: 10.4048/jbc.2021.24.e46] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/28/2021] [Accepted: 10/15/2021] [Indexed: 11/30/2022] Open
Abstract
Locally advanced breast cancer (tumor > 5 cm, widespread infiltration of the skin and muscle, or metastases to lymph nodes) is difficult to resect by surgery, and even when it is resectable, there is a high probability of local recurrence and distant metastasis. Therefore, systemic therapy should be administered first. However, as cutaneous infiltration progresses, the patient's quality of life is impaired by pain, bleeding, presence of exudates, and a foul-smelling odor. Treatment with Mohs paste with systemic therapy can control symptoms associated with skin infiltration and can also be expected to decrease tumor volume. Herein, we report a case in which a tumor was resected following Mohs paste and systemic chemotherapy administration, and the skin defect was reconstructed with a latissimus dorsi myocutaneous flap. We also review the literature for previously reported cases of breast cancer involving Mohs paste.
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Haryono A, Ikeda K, Nugroho DB, Kitagawa H, Igarashi M, Hirata K, Emoto N. Chondroitin sulfate n-acetylgalactosaminyltransferase-2 (ChGn-2) plays a significant role in cardiac remodeling and heart failure following pressure overload. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Cardiac extracellular matrix (ECM) is critically involved in cardiac homeostasis by providing mechanical support as well as modulating growth factor signaling. Cardiac ECM dysregulation has been shown in heart failure pathogenesis, and accumulation of chondroitin sulfate glycosaminoglycans (CS-GAGs) was previously shown to exacerbate heart failure by augmenting inflammation and fibrosis at the chronic phase. However, it remains unclear whether and the mechanism by which CS-GAGs cause cardiac dysfunction, especially at the acute phase.
Purpose
The purpose of this study is to elucidate the role of CS-GAGs in heart failure.
Methods
In this study, we analyzed the role of CS-GAGs in heart failure using mice with target deletion of chondroitin sulfate N-acetylgalactosaminyltransferase (ChGn)-2 that elongates CS chains of GAGs. Heart failure was induced by transverse aortic constriction (TAC) in mice. Since cardiac fibroblasts (CFs) are the primary cells for ECM production in the heart, we explored the role of CF-derived ECM in cardiomyocyte apoptosis. CFs were given stretch stimuli that mimic pressure overload conditions.
Results
Significant CS-GAGs accumulation was detected in the heart of WT mice after TAC, which was substantially reduced in the heart of ChGn2−/− mice. Unexpectedly, loss of ChGn-2 deteriorated left ventricular systolic dysfunction accompanied by augmented cardiac hypertrophy and increased cardiomyocyte apoptosis. Stretch stimuli increased ChGn-2 expression and enhanced GAG production in CFs. Interestingly, only conditioned medium (CM) derived from stretched CFs showed protective effects on cardiomyocyte death induced by doxorubicin. Degradation of CS-GAGs in CFs-derived CM by using Chondroitinase ABC abolished its cardioprotective effect. Further experiments revealed that this cardioprotective effect is at least partially through CS-GAGs-derived PI3K/AKT pathway activation via CD44.
Conclusion
Our data revealed that CF-derived GAGs protect cardiomyocytes from death in the acute phase of heart failure due to pressure overload; thus, insufficient GAGs production caused by loss of ChGn-2 exacerbated heart failure.
Funding Acknowledgement
Type of funding sources: None.
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Nakasone K, Fukuzawa K, Kiuchi K, Takami M, Takemoto M, Sakai J, Nakamura T, Yatomi A, Sonoda Y, Takahara H, Yamamoto K, Suzuki Y, Tani K, Hirata K. VT recurrence and predictors in patients with VT inducibility at the end of VT ablation. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
A successful Radiofrequency (RF) ablation of ventricular tachycardia (VT) can prevent VT recurrence. It has been reported that VT non-inducibility at the end of RF ablation is associated with less likely VT recurrence in ischemic cardiomyopathy (ICM) and non-ICM (NCIM). However, it is not clear whether we should use VT non-inducibility as routine end point in RF ablation of VT.
Purpose
The aim of this study was to evaluate VT recurrence in patients who couldn't be achieved VT non-inducibility at the end of RF ablation and the factors attributed to VT recurrence in ICM and NICM patients.
Methods
Between January 2009 and April 2020, 84 consecutive patients (ICM: 34, NICM: 50) underwent RF ablation for drug-resistant VT in our hospital. VT non-inducibility was defined as any ventricular tachy-arrhythmia, including clinical VT, non-clinical VT, and VF, was not induced by programed stimuli at the end of session. Non-inducibility was achieved in 37 patients but it was not achieved in 47 patients (ICM: 18, NICM: 29). To evaluate the validity of “non-inducibility” as an end point of VT ablation, 47 patients (male: 40, mean age: 66±15 years) in whom non-inducibility of any ventricular tachyarrhythmia was not achieved were studied. The primary endpoint was recurrence of any sustained VT and VF during follow up period (mean follow-up period was 1.4 (range, 0.0, 2.0) years.)
Results
Mean left ventricular ejection fraction (LVEF) was 36±13%. Epicardial ablation was required in 8 patients. 32 patients had electrical storm at the time of ablation. Among them, 21 patients had VT recurrence and 26 patients had non-VT recurrence during follow-up period. VT recurrence rate was significantly lower in patients with LVEF≥35% than those with LVEF<35% (HR=0.31, 95% CI 1.25–9.92). Multivariate survival analysis identified LVEF≥35% (HR=0.34, 95% CI 0.10–0.98) and ablation of VT isthmus (HR=0.18, 95% CI 0.02–0.78) as independent predictors of non-VT recurrence.
Conclusions
Even if non-inducibility of any ventricular tachyarrhythmia wasn't achieved at the end of ablation, the patients with LVEF≥35% or who had ablated of VT isthmus might prevent VT recurrence. The validity of non-inducibility of any ventricular tachyarrhythmia should be evaluated in each patient's background.
Funding Acknowledgement
Type of funding sources: Public hospital(s). Main funding source(s): Abbott, Medtronic
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Ramadhiani R, Ikeda K, Miyagawa K, Ryanto GRT, Tamada N, Suzuki Y, Hirata K, Emoto N. Senescent endothelial cells exacerbate pulmonary hypertension through notch-mediated juxtacrine interaction with pulmonary artery smooth muscle cells. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.3419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Despite recently developed clinical therapies, vascular remodelling in pulmonary arterial hypertension (PAH) progressively worsen. Hemodynamic unloading has been proposed to normalize the remodelled pulmonary vascular structures in the lungs. Recently, it has been reported that cellular senescence was associated with the irreversibility of pulmonary vascular structures after hemodynamic unloading.
Purpose
This study aims to elucidate the role of senescent endothelial cells (ECs) in the pathogenesis of PAH.
Methods
We generated EC-specific progeroid mice in which ECs undergo premature senescence by overexpressing the dominant-negative form of telomere repeat-binding factor 2 under the control of the VE-cadherin promoter. Following three weeks of hypoxia exposure, the PH phenotypes were assessed by RVSP, lung histology, and RT-qPCR. The interaction of human pulmonary artery ECs (hPAECs) and human pulmonary artery smooth muscle cells (hPASMCs) was indirectly and directly explored through the co-culture system. Gamma-secretase inhibitor (DAPT) was administrated to inhibit Notch signalling both in the in-vitro and in-vivo study.
Results
EC-specific progeroid mice showed exacerbated pulmonary hypertension after chronic hypoxia exposure, accompanied by the enhanced medial SMCs proliferation in the distal pulmonary arteries. Contact-mediated interaction with senescent hPAECs increased proliferation and migration capacities in hPASMCs, while no such effects were detected in the absence of ECs-SMCs contact. Consistently, senescent ECs highly expressed Notch ligands, thus activated Notch signalling in hPASMCs, leading to increased Notch target genes in hPASMCs. Pharmacological inhibition of Notch signalling attenuated the enhanced SMCs proliferation and migration induced by senescent hPAECs, as well as the worsened PH phenotypes in EC-specific progeroid mice.
Conclusions
Our data established a crucial role of senescent ECs in the PAH pathogenesis through the dysregulated SMC functions via juxtacrine signaling. Senescent ECs are attracting targets for further pathological-targeted therapy to cure PAH completely.
Funding Acknowledgement
Type of funding sources: None.
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Otsuka K, Ishikawa H, Kono Y, Shirasawa K, Hirata K, Kasayuki N. Clinical significance of aortic arch plaques simultaneously assessed with coronary atherosclerosis on cardiovascular outcomes in patients undergoing coronary CT angiography. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Aims
Computed tomography (CT) coronary angiography is a useful diagnostic imaging modality in assessing presence, severity, and extent of coronary artery disease (CAD). Aortic arch plaques have been shown to be an underlying cause of embolic stroke and also related to increased risk of cardiovascular events. Yet, conventional CTCA imaging protocol does not include aortic arch for the reduction of radiation exposure. This study aimed to investigate prevalence of aortic arch plaques simultaneously assessed by CTCA and their clinical significance in combination with the presence of obstructive CAD for prediction of CVD events in patients with suspected CAD.
Methods
This study consisted of 310 (mean age, 66 years old, 42% female) patients with suspected CAD undergoing CTCA between 2017 and 2019. All CTCA examination was performed with 320-row detector scanner using ECG-triggered prospective gating method. Aortic arch images were simultaneously acquired during CTCA scanning without an increase of contrast media. Using Agatston method, coronary artery calcium score (CACS) was categorized into either of the groups having CACS of 0, 0–99, 100–299, or more than 300. The presence of CAD was reported as non-obstructive or obstructive CAD. High-risk featured aortic plaque was defined as large plaques >4 mm in thickness showing ulceration or protrusion. A composite event of cardiovascular disease, including all-cause mortality, non-fatal myocardial infarction, unplanned hospitalization requiring revascularization or stroke was defined as the primary endpoint.
Results
Patients having CACS of 0, 0–99, 100–299, and >300 were found in 41%, 24%, 15%, 20%%, respectively, where obstructive CAD was diagnosed in 11%. Aortic HRPs in ascending aorta, aortic arch, and thoracic descending aorta were observed in 1.6%, 6.9%, and 15%, respectively. During a mean follow-up period of 2.2 years, the primary endpoint was observed in 27 patients (8.7%). Cox regression hazard model demonstrated an independent association of aortic arch high-risk plaques (HR; 3.2, 95% CI; 1.20–8.64, p=0.02) and obstructive CAD (HR; 3.3, 95% CI; 1.45–7.92, P=0.005) when adjusted by age, CACS, and chronic kidney disease. Kaplan-Meier curve analysis showed a worse outcome of patients with aortic HRP and obstructive CAD compared to those without aortic plaques and obstructive CAD (p<0.001).
Conclusion
This study demonstrated an independent association of aortic arch high-risk featured plaques with CVD events. Further study is warranted whether pharmacological interventional therapies can reduce future CVD risks in patients with CAD and aortic arch plaques.
Funding Acknowledgement
Type of funding sources: None.
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Kobayashi Y, Nagai T, Hirata K, Tsuneta S, Kato Y, Komoriyama H, Kamiya K, Konishi T, Sato T, Omote K, Ohira H, Kudoh K, Konno S, Anzai T. Association of high serum soluble interleukin 2 receptor levels with risk of adverse events in patients with cardiac sarcoidosis. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Sarcoidosis is a systemic granulomatous disease that affects multiple organs. Among these, the presence of cardiac involvement is recognised as a determinant of worse clinical outcomes. Soluble interleukin 2 receptor (sIL-2R) is a potentially useful biomarker in the diagnosis and evaluation of disease severity in patients with sarcoidosis. However, it remains to be seen whether sIL-2R is associated with the severity and activity of disease in patients with cardiac sarcoidosis (CS).
Purpose
The aims of this study were to investigate whether sIL-2R was associated with clinical outcomes and to clarify the relationship between sIL-2R levels and disease activity evaluated by 18F-fluorideoxyglucose in positron emission tomography/computed tomography (18F-FDG PET/CT) in patients with CS.
Methods
We examined 101 consecutive patients with CS who were admitted to our University HospitalbetweenMay 2003 and February 2020. Patients who had no data of serum sIL-2R levels before initiation of immunosuppressive therapy (n=18) were excluded. Ultimately, 83 patients were examined in this study. The primary outcome was a composite of advanced atrioventricular block (AVB), ventricular tachycardia or ventricular fibrillation (VT/VF), heart failure hospitalisation, and all-cause death. Inflammatory activity in the myocardium and lymph nodes were assessed by18F-FDG PET/CT. We used a published program to analyse the cardiac metabolic activity (CMA), and total lymph node glycolysis (TLyG), which are quantitative measures of FDG volume-intensity.
Results
During a median follow-up period of 2.96 (interquartile range 2.24–4.27) years, the primary outcome occurred in 24 patients (29%), including 1 advanced AVB, 13 VT/VF, 5 hospitalisations for heart failure, and 5 all-cause deaths. Kaplan-Meier analyses showed that the primary outcome occurred more frequently in patients with higher sIL-2R levels (>538 U/mL, the median) than in those with lower sIL-2R levels (Figure). A multivariable Cox regression analysis revealed that a higher sIL-2R level was independently associated with an increased subsequent risk of adverse events (hazard ratio 3.71, 95% confidence interval 1.63–8.44, p=0.002), even after adjustments for age, plasma B-type natriuretic peptide, estimated glomerular filtration rate, left ventricular ejection fraction, and late gadolinium enhancement, which are known to be strong determinants of worse clinical outcomes in patients with CS (Table). Furthermore, sIL-2R levels were significantly correlated with TLyG, the inflammatory activity in lymph nodes (r=0.346, p=0.003) but not with CMA, the inflammatory activity in myocardium (r=0.131, p=0.27).
Conclusions
Increased sIL-2R is associated with worse long-term clinical outcomes accompanied by increased systemic inflammatory activity in CS patients. These findings suggest the importance of assessing sIL-2R as a surrogate marker for further risk stratification in these patients.
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): Japan Society for the Promotion of Science
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Shirasu H, Taniguchi H, Watanabe J, Kotaka M, Yamazaki K, Hirata K, Yokota M, Emi Y, Ikenaga M, Kato K, Akazawa N, Yamaguchi T, Ikeda M, Aleshin A, Kotani D, Mishima S, Yukami H, Oki E, Takemasa I, Kato T, Nakamura Y, Yoshino T. O-11 Monitoring molecular residual disease by circulating tumor DNA in resectable colorectal cancer: Molecular subgroup analyses of a prospective observational study GALAXY in CIRCULATE-Japan. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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