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Background After radical resection, patients with adrenocortical carcinoma (ACC) frequently experience recurrence and, therefore, effective adjuvant treatment is urgently needed. The aim of the study was to investigate the role of adjuvant platinum-based therapy. Methods In this retrospective multicentre cohort study, we identified patients treated with adjuvant platinum-based chemotherapy after radical resection and compared them with patients without adjuvant chemotherapy. Recurrence-free and overall survival (RFS/OS) were investigated in a matched group analysis and by applying a propensity score matching using the full control cohort ( n  = 268). For both approaches, we accounted for immortal time bias. Results Of the 31 patients in the platinum cohort (R0 n  = 25, RX n  = 4, R1 n  = 2; ENSAT Stage II n  = 11, III n  = 16, IV n  = 4, median Ki67 30%, mitotane n  = 28), 14 experienced recurrence compared to 29 of 31 matched controls (median RFS after the landmark at 3 months 17.3 vs. 7.3 months; adjusted HR 0.19 (95% CI 0.09–0.42; P  < 0.001). Using propensity score matching, the HR for RFS was 0.45 (0.29–0.89, P  = 0.021) and for OS 0.25 (0.09–0.69; P  = 0.007). Conclusions Our study provides the first evidence that adjuvant platinum-based chemotherapy may be associated with prolonged recurrence-free and overall survival in patients with ACC and a very high risk for recurrence.

Objective: The aim of this Disease State Clinical Review is to provide a practical approach to patients with newly diagnosed adrenocortical carcinoma, as well as to follow-up and management of patients with persistent or recurrent disease. Methods: This is a case-based clinical review. The provided recommendations are based on evidence available from randomized prospective clinical studies, cohort studies, cross-sectional and case-based studies, and expert opinions. Results: Adrenocortical carcinoma is a rare malignancy, often with poor outcomes. For any patient with an adrenal mass suspicious for adrenocortical carcinoma, the approach should include prompt evaluation with detailed history and physical exam, imaging, and biochemical adrenal hormone assessment. In addition to adrenal-focused imaging, patients should be evaluated with chest-abdomen-pelvis cross-sectional imaging to define the initial therapy plan. Patients with potentially resectable disease limited to the adrenal gland should undergo en bloc open surgery by an expert surgeon. For patients presenting with advanced or recurrent disease, a multidisciplinary approach considering curative repeat surgery, local control with surgery, radiation therapy or radiofrequency ablation, or systemic therapy with mitotane and/or cytotoxic chemotherapy is recommended. Conclusion: As most health care providers will rarely encounter a patient with adrenocortical carcinoma, we recommend that patients with suspected adrenocortical carcinoma be evaluated by an expert multidisciplinary team which includes clinicians with expertise in adrenal tumors, including endocrinologists, oncologists, surgeons, radiation oncologists, pathologists, geneticists, and radiologists. We recommend that patients in remote locations be followed by the local health care provider in collaboration with a multidisciplinary team at an expert adrenal tumor program. Abbreviations: ACC = adrenocortical carcinoma; ACTH = adrenocorticotropic hormone; BRACC = borderline resectable adrenocortical carcinoma; CT = computed tomography; DHEAS = dehydroepiandrosterone sulfate; EDP = etoposide, doxorubicin, cisplatin; FDG = 18F-fluorodeoxyglucose; FNA = fine-needle aspiration; HU = Hounsfield units; IVC = inferior vena cava; LFS = Li-Fraumeni syndrome; MEN1 = multiple endocrine neoplasia type 1; MRI = magnetic resonance imaging; OAC = oncocytic adrenocortical carcinoma; PC = palliative care; PET = positron emission tomography

Abstract Adrenocortical carcinoma (ACC) is a rare and aggressive malignancy in the advanced setting with poor prognosis. This narrative review provides an overview of the epidemiology of ACC and its molecular pathogenesis with a summary of the main involved signaling pathways. We then provide an update on the clinical presentation, diagnosis, and current management strategies of both localized and metastatic disease from a multidisciplinary perspective. We highlight the debate around the use of mitotane in the adjuvant setting and review the use of combination chemotherapy with etoposide, doxorubicin, and cisplatin. The review also focuses on emerging data providing hope for the use of immune checkpoint inhibitors and targeted therapies in ACC with a summary of ongoing trials. This review reports on the epidemiology of adrenocortical carcinoma and its molecular pathogenesis. An update on clinical presentation, diagnosis, and current management strategies is provided, as well as emerging data on the use of immune checkpoint inhibitors and targeted therapies.

Context:In 2007, a retrospective case-control study provided evidence that adjuvant mitotane prolongs recurrence-free survival (RFS) in patients with radically resected adrenocortical carcinoma (ACC).Objective and Design:We aimed to confirm the prognostic role of adjuvant mitotane in the same series after 9 additional years of follow-up.Setting, Patients, and Interventions:One hundred sixty-two ACC patients who did not recur or die after a landmark period of 3 months were considered. Forty-seven patients were enrolled in four Italian centers where adjuvant mitotane was routinely recommended (mitotane group), 45 patients in four Italian centers where no adjuvant strategy was undertaken (control group 1), and 70 German patients left untreated after surgery (control group 2).Main Outcome Measures:The primary aim was RFS, the secondary was overall survival.Results:An increased risk of recurrence was found in both control cohorts [group 1: hazard ratio (HR) = 2.98; 95% confidence interval (CI), 1.75 to 5.09; P < 0.0001; group 2: HR = 2.61; 95% CI, 1.56 to 4.36; P < 0.0001] compared with the mitotane group. The risk of death was higher in control group 1 (HR = 2.03; 95% CI, 1.17 to 3.51; P = 0.011) but not in control group 2 (HR = 1.60; 95% CI, 0.94 to 2.74; P = 0.083), which had better prognostic factors and more aggressive treatment of recurrences than control group 1. The benefit of adjuvant mitotane on RFS was observed regardless of the hormone secretory status.Conclusions:Adjuvant mitotane is associated with prolonged RFS, without any apparent influence by the tumor secretory status. The retrospective nature of the study is a major limitation.This analysis confirms that adjuvant mitotane in radically resected patients with ACC is associated with prolonged RFS and overall survival independently of tumor hormone activity.

Adrenocortical carcinoma is a rare, aggressive cancer for which few treatment options are available. Linsitinib (OSI-906) is a potent, oral small molecule inhibitor of both IGF-1R and the insulin receptor, which has shown acceptable tolerability and preliminary evidence of anti-tumour activity. We assessed linsitinib against placebo to investigate efficacy in patients with advanced adrenocortical carcinoma. In this international, double-blind, placebo-controlled phase 3 study, adult patients with histologically confirmed locally advanced or metastatic adrenocortical carcinoma were recruited at clinical sites in nine countries. Patients were randomly assigned (2:1) twice-daily 150 mg oral linsitinib or placebo via a web-based, centralised randomisation system and stratified according to previous systemic cytotoxic chemotherapy for adrenocortical carcinoma, Eastern Cooperative Oncology Group performance status, and use of one or more oral antihyperglycaemic therapy at randomisation. Allocation was concealed by blinded block size and permuted block randomisation. The primary endpoint was overall survival, calculated from date of randomisation until death from any cause. The primary analysis was done in the intention-to-treat population. This study is registered with ClinicalTrials.gov, number NCT00924989. Between Dec 2, 2009, and July 11, 2011, 139 patients were enrolled, of whom 90 were assigned to linsitinib and 49 to placebo. The trial was unblinded on March 19, 2012, based on data monitoring committee recommendation due to the failure of linsitinib to increase either progression-free survival or overall survival. At database lock and based on 92 deaths, no difference in overall survival was noted between linsitinib and placebo (median 323 days [95% CI 256–507] vs 356 days [249–556]; hazard ratio 0·94 [95% CI 0·61–1·44]; p=0·77). The most common treatment-related adverse events of grade 3 or worse in the linsitinib group were fatigue (three [3%] patients vs no patients in the placebo group), nausea (two [2%] vs none), and hyperglycaemia (two [2%] vs none). No adverse events in the linsitinib group were deemed to be treatment related; one death (due to sepsis and megacolon) in the placebo group was deemed to be treatment related. Linsitinib did not increase overall survival and so cannot be recommended as treatment for this general patient population. Further studies of IGF-1R and insulin receptor inhibitors, together with genetic profiling of responders, might pave the way toward individualised and improved therapeutic options in adrenocortical carcinoma. Astellas.

In this large international study of patients with adrenal cancer, a rare, treatment-refractory disease, mitotane plus a combination of etoposide, cisplatin, and doxorubicin had greater antitumor activity than mitotane plus streptozotocin. Adrenocortical carcinoma is a rare cancer (estimated incidence, 0.7 to 2.0 cases per 1 million population per year) 1 , 2 with a poor prognosis; the 5-year survival rate is less than 15% among patients with metastatic disease. 3 – 7 Mitotane is the only drug approved for the treatment of adrenocortical carcinoma and is used both as adjuvant therapy and for advanced disease, 8 – 14 although its efficacy has never been shown in a randomized trial. The experience with other antineoplastic drugs for the treatment of this disease is even more limited. Current treatment strategies for advanced disease are based exclusively on retrospective series . . .

BackgroundAdrenocortical carcinoma (ACC) is a rare and aggressive disease that is often diagnosed at an advanced stage. There is no standard treatment for metastatic ACC; EDP-M (etoposide, doxorubicin, and cisplatin plus mitotane) is one treatment option. A randomized controlled trial (FIRM-ACT) evaluating the efficacy of EDP-M showed progression-free survival (PFS) was 5.0 months, overall survival (OS) was 14.8 months, the response rate was 19%, and adrenal insufficiency occurred in 3.4% of patients. However, the efficacy and safety of this regimen in Asia are not fully reported.MethodsWe retrospectively analyzed 43 patients diagnosed with metastatic ACC at the National Cancer Center Hospital between 1997 and 2020. We evaluated PFS, OS, and response in 17 patients who received EDP-M as first-line therapy.ResultsThe median age at treatment initiation was 45 years (range 18–74). Eight patients (47%) had autonomous hormone production, including six patients with hypercortisolism. The best response of partial response and stable disease was seen in two (12%) and ten (59%) patients, respectively. The median PFS was 6.2 months [95% confidence interval (CI): 4.3–10.0]. The median OS was 15.4 months (95% CI 11.6–not reached). Three patients received only one cycle due to adverse effects associated with hypercortisolism. Grade 3/4 adverse events associated with adrenal insufficiency occurred in three (17%) cases, resulting in EDP-M discontinuation.ConclusionsThe EDP-M regimen had similar PFS to that observed in FIRM-ACT. Adrenal insufficiency was more frequent in the current study, but this could be managed with supportive endocrinological care such as cortisol replacement.

Abstract Context Because of the rarity of adrenocortical cancer (ACC), only a few population-based studies are available, and they reported limited details in the characterization of patients and their treatment. Objective To describe in a nationwide cohort the presentation of patients with ACC, treatment strategies, and potential prognostic factors. Methods Retrospective analysis of 512 patients with ACC, diagnosed in 12 referral centers in Italy from January 1990 to June 2018. Results ACC diagnosed as incidentalomas accounted for overall 38.1% of cases, with a frequency that increases with age and with less aggressive pathological features than symptomatic tumors. Women (60.2%) were younger than men and had smaller tumors, which more frequently secreted hormones. Surgery was mainly done with an open approach (72%), and after surgical resection, 62.7% of patients started adjuvant mitotane therapy. Recurrence after tumor resection occurred in 56.2% of patients. In patients with localized disease, cortisol secretion, ENSAT stage III, Ki67%, and Weiss score were associated with an increased risk of recurrence, whereas margin-free resection, open surgery, and adjuvant mitotane treatment were associated with reduced risk. Death occurred in 38.1% of patients and recurrence-free survival (RFS) predicted overall survival (OS). In localized disease, age, cortisol secretion, Ki67%, ENSAT stage III, and recurrence were associated with increased risk of mortality. ACCs presenting as adrenal incidentalomas showed prolonged RFS and OS. Conclusion Our study shows that ACC is a sex-related disease and demonstrates that an incidental presentation is associated with a better outcome. Given the correlation between RFS and OS, RFS may be used as a surrogate endpoint in clinical studies.

Adrenocortical carcinoma (ACC) is a rare but lethal malignancy without effective current therapy for metastatic disease. IL‐13‐PE is a recombinant cytotoxin consisting of human interleukin‐13 (IL‐13) and a truncated form of Pseudomonas exotoxin A (PE). The main objectives of this Phase I dose‐escalation trial were to assess the maximum‐tolerated dose (MTD), safety, and pharmacokinetics (PK) of IL‐13‐PE in patients with metastatic ACC. Eligible patients had confirmed IL‐13 receptor alpha 2 (IL‐13Rα2) expressions in their tumors. IL‐13‐PE at dose of 1–2 μg/kg was administered intravenously (IV) on day 1, 3, and 5 in a 4‐week cycle. Six patients received 1 μg/kg and two patients received 2 μg/kg of IL‐13‐PE. Dose‐limiting toxicity was observed at 2 μg/kg, at which patients exhibited thrombocytopenia and renal insufficiency without requiring dialysis. PK analysis demonstrated that at MTD, the mean maximum serum concentration (Cmax) of IL‐13‐PE was 21.0 ng/mL, and the terminal half‐life of IL‐13‐PE was 30–39 min. Two (25%) of the eight patients had baseline neutralizing antibodies against PE. Three (75%) of the remaining four tested patients developed neutralizing antibodies against IL‐13‐PE within 14–28 days of initial treatment. Of the five patients treated at MTD and assessed for response, one patient had stable disease for 5.5 months before disease progression; the others progressed within 1–2 months. In conclusion, systemic IV administration of IL‐13‐PE is safe at 1 μg/kg. All tested patients developed high levels of neutralizing antibodies during IL‐13‐PE treatment. Use of strategies for immunodepletion before IL‐13‐PE treatment should be considered in future trials. This Phase I dose‐escalation trial determined that interleukin‐13‐Pseudomonas exotoxin (IL‐13‐PE) could be safely administered via systemic intravenous infusion at 1 μg/kg in patients with metastatic adrenocortical carcinoma. However, patients developed high levels of neutralizing antibodies during the treatment, which suggested that in future clinical trials strategies for immunodepletion before IL‐13‐PE treatment should be considered.

Adrenocortical carcinoma is a rare malignancy with an annual worldwide incidence of 1–2 cases per 1 million and a 5-year survival rate of <60%. Although adrenocortical carcinoma is rare, such rare cancers account for approximately one third of patients diagnosed with cancer annually. In the past decade, there have been considerable advances in understanding the molecular basis of adrenocortical carcinoma. The genetic events associated with adrenocortical carcinoma in adults are distinct from those of paediatric cases, which are often associated with germline or somatic TP53 mutations and have a better prognosis. In adult primary adrenocortical carcinoma, the main somatic genetic alterations occur in genes that encode proteins involved in the WNT–β-catenin pathway, cell cycle and p53 apoptosis pathway, chromatin remodelling and telomere maintenance pathway, cAMP–protein kinase A (PKA) pathway or DNA transcription and RNA translation pathways. Recently, integrated molecular studies of adrenocortical carcinomas, which have characterized somatic mutations and the methylome as well as gene and microRNA expression profiles, have led to a molecular classification of these tumours that can predict prognosis and have helped to identify new therapeutic targets. In this Review, we summarize these recent translational research advances in adrenocortical carcinoma, which it is hoped could lead to improved patient diagnosis, treatment and outcome.Adrenocortical carcinoma is a rare endocrine cancer with a dismal survival rate and limited therapeutic options. This Review outlines the recent advances that have been made in the understanding of the molecular basis of adrenocortical carcinoma and what this means for the diagnosis and treatment of patients with this cancer type.