scholarly journals Passively Scattered Proton Therapy for Nonmelanoma Skin Cancer with Clinical Perineural Invasion

2021 ◽  
Vol 8 (1) ◽  
pp. 285-293
Author(s):  
Curtis M. Bryant ◽  
Roi Dagan ◽  
Adam L. Holtzman ◽  
Rui Fernandes ◽  
Anthony Bunnell ◽  
...  

Abstract Purpose To report our experience with the delivery of passively scattered proton therapy in the management of nonmelanoma skin cancers with clinical perineural invasion. Materials and Methods We reviewed the medical records of patients who received definitive or postoperative proton therapy for nonmelanoma skin cancer with clinical perineural invasion at our institution and updated patient follow-up when possible. All patients were treated with curative intent with or without the delivery of concurrent systemic therapy. We report disease control rates and the rates of late toxicity among this cohort. Results Twenty-six patients treated between 2008 and 2017 were included in the analysis. Following proton therapy, the 3-year overall, cause-specific, and disease-free survival rates were 59%, 73%, and 60%, respectively. The 3-year local control, local regional control, and distant metastasis-free survival rates were 80%, 65%, and 96%, respectively. On univariate analysis, surgical resection before radiation therapy significantly improved local regional control rates at 3 years (55% versus 86%; P = .04). Grade 3+ late toxicities occurred in 13 patients (50%) and the most common toxicities included grade 3+ keratitis of the ipsilateral eye, which occurred in 4 patients (15%) and grade 3+ brain necrosis in 4 patients (15%). Conclusion Proton therapy is effective in the management of nonmelanoma skin cancer with clinical perineural invasion. Although disease control and complication rates compare favorably to those previously published for photon-based radiation therapy, the risk for late toxicity is significant and patients should be appropriately counseled.

2021 ◽  
Vol 8 (1) ◽  
pp. 108-118
Author(s):  
G. Brandon Gunn ◽  
Adam S. Garden ◽  
Rong Ye ◽  
Noveen Ausat ◽  
Kristina R. Dahlstrom ◽  
...  

Abstract Purpose To characterize our experience and the disease control and toxicity of proton therapy (PT) for patients with head and neck cancer (HNC). Patients and Methods Clinical outcomes for patients with HNC treated with PT at our institution were prospectively collected in 2 institutional review board–approved prospective studies. Descriptive statistics were used to summarize patient characteristics and outcomes. Overall survival, local-regional control, and disease-free survival were estimated by the Kaplan-Meier method. Treatment-related toxicities were recorded according to the Common Terminology Criteria for Adverse Events (version 4.03) scale. Results The cohort consisted of 573 patients treated from February 2006 to June 2018. Median patient age was 61 years. Oropharynx (33.3%; n = 191), paranasal sinus (11%; n = 63), and periorbital tissues (11%; n = 62) were the most common primary sites. Patients with T3/T4 or recurrent disease comprised 46% (n = 262) of the cohort. The intent of PT was definitive in 53% (n = 303), postoperative in 37% (n = 211), and reirradiation in 10% (n = 59). Median dose was 66 Gy (radiobiological equivalent). Regarding systemic therapy, 43% had received concurrent (n = 244), 3% induction (n = 19), and 15% (n = 86) had both. At a median follow-up of 2.4 years, 88 patients (15%) had died and 127 (22%) developed disease recurrence. The overall survival, local-regional control, and disease-free survival at 2 and 5 years were, respectively, 87% and 75%, 87% and 78%, and 74% and 63%. Maximum toxicity (acute or late) was grade 3 in 293 patients (51%), grade 2 in 234 patients (41%), and grade 1 in 31 patients (5%). There were 381 acute grade 3 and 190 late grade 3 unique toxicities across 212 (37%) and 150 (26%) patients, respectively. There were 3 late-grade 4 events across 2 patients (0.3%), 2 (0.3%) acute-grade 5, and no (0%) late-grade 5 events. Conclusions The overall results from this prospective study of our initial decade of experience with PT for HNC show favorable disease control and toxicity outcomes in a multidisease-site cohort and provide a reference benchmark for future comparison and study.


1997 ◽  
Vol 116 (6) ◽  
pp. 637-641 ◽  
Author(s):  
Dennis H. Kraus ◽  
Michael J. Zelefsky ◽  
Heidi A. J. Brock ◽  
Jerry Huo ◽  
Louis B. Harrison ◽  
...  

Squamous cell carcinoma of the hypopharynx remains a highly lethal disease. This article documents our experience with 132 patients undergoing surgical management of squamous cell carcinoma of the hypopharynx, of whom 80% received postoperative radiation therapy. Local-regional control was obtained in 61% of the patients. Five-year overall and disease-free survival rates were 30% and 41%, respectively. Prognosis was better in patients with limited disease: local disease permitting larynx-sparing surgery, N0/N1 clinical neck, and stage I/II/III disease. Cancer of the hypopharynx remains an aggressive entity associated with poor prognosis. Novel strategies stressing improved local-regional control with prevention of distant metastasis are warranted.


2020 ◽  
Author(s):  
Xiaoyao Feng ◽  
Jing Li ◽  
Aomei Li ◽  
Han Zhou ◽  
Xixu Zhu ◽  
...  

Abstract BackgroundSoft tissue sarcoma(STS) is a malignant tumor of highly heterogeneous mesenchymal origin. STS has a biologic pattern and clinical transformation with localized invasive growth and susceptibility to hematogenous metastasis. Metastatic and recurrent soft tissue sarcoma may be treated by local therapeutic options, including surgery and radiation therapy. This study evaluated the safety and efficacy of SBRT for metastatic and recurrent soft tissue sarcoma.MethodsWe performed a retrospective analysis of 37 STS patients with 58 lesions treated with SBRT from 2009-2019 at our institution. We analyze the local control (LC), overall survival (OS), progression free survival (PFS) and toxicity rates of the patients.ResultThe median follow-up was 20 months(range 2 to 120 months). One and two year LC rates were 75.3% and 55.2% [95% confidence interval (CI) 20–25 months]. Median OS was 24 months and the survival rates were 66.6%, 45% and 26.6% at 1, 2 and 3-year after SBRT. Median PFS were 11months (95% CI 8–18 months). No acute or chronic grade ≥ 3 toxicity was observed.ConclusionsIn patients with metastatic and recurrent STS, LC, OS and PFS were higher than expected. SBRT should be a proper treatment option for STS.


2016 ◽  
Vol 130 (10) ◽  
pp. 948-953 ◽  
Author(s):  
T S Santos ◽  
R Estêvão ◽  
L Antunes ◽  
V Certal ◽  
J C Silva ◽  
...  

AbstractObjective:To evaluate the clinical and histopathological factors affecting the prognosis of patients with squamous cell locoregional advanced laryngeal cancer.Methods:A retrospective chart review was conducted of 121 patients with locoregional advanced laryngeal cancer, primarily treated with surgery from 2007 to 2011. Disease-free survival and overall survival rates were analysed as oncological outcomes. Prognostic variables, namely gender, pharyngeal invasion, pathological assessment of tumour and nodal stage, adjuvant therapy, margin status, nodal extracapsular extension, tumour differentiation, lymphovascular and perineural invasion, and predominant growth pattern, were also analysed.Results:One-year and three-year disease-free survival rates were 81.3 per cent and 63.5 per cent, respectively. One-year and three-year overall survival rates were 88.3 per cent and 61.4 per cent, respectively. Multivariate analysis showed that nodal extracapsular extension (p < 0.05) and an infiltrative growth pattern (p < 0.05) were associated with disease progression. Nodal extracapsular extension (p < 0.05) was associated with higher mortality.Conclusion:Nodal extracapsular extension and an infiltrative growth pattern were the main prognostic factors in locoregional advanced laryngeal cancer. The presence of pharyngeal invasion, pathologically confirmed node-positive stage 2–3 disease, close or microscopic positive margins, and lymphovascular and perineural invasion have a negative impact on prognosis.


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Byung-Hyun Lee ◽  
Ka-Won Kang ◽  
Min Ji Jeon ◽  
Eun Sang Yu ◽  
Dae Sik Kim ◽  
...  

AbstractNumerous studies have analysed the clinical efficacies of hypomethylating agents (HMAs) in patients with myelodysplastic syndromes (MDS). However, reports that compare the two HMAs, decitabine and azacitidine, in patients with lower-risk (low and intermediate-1) MDS are limited. We compared 5-day decitabine and 7-day azacitidine regimens in terms of treatment responses, survival outcomes, and adverse events in patients with lower-risk MDS with poor prognostic features. The overall response rates (ORRs) were 67.2% and 44.0% in the patients treated with decitabine and azacitidine, respectively (P = 0.014). While the median progression-free survival (PFS) was significantly better in the patients treated with decitabine than in those treated with azacitidine (P = 0.019), no significant differences in event-free and overall survival rates were observed between the two groups. Multivariate analysis revealed that compared with azacitidine treatment, decitabine treatment is significantly associated with a higher ORR (P = 0.026) and longer PFS (P = 0.037). No significant differences were observed in the incidence of grade 3 or higher haematologic adverse events in response to the two HMAs. In conclusion, in lower-risk MDS, especially with poor prognostic features, ORR and PFS were significantly better with 5-day decitabine treatment than with 7-day azacitidine treatment, with comparable safety.


2016 ◽  
Vol 58 (3) ◽  
pp. 351-356 ◽  
Author(s):  
Katsuya Yahara ◽  
Takayuki Ohguri ◽  
Hiroki Udono ◽  
Junkoh Yamamoto ◽  
Kyosuke Tomura ◽  
...  

Abstract The purpose of this study was to evaluate the feasibility and efficacy of radiotherapy (RT) using intensity-modulated radiotherapy (IMRT) boosts after hyperbaric oxygen (HBO) therapy with chemotherapy in patients with glioblastoma. Twenty-four patients with glioblastoma were treated with the combined therapy, which was RT using IMRT boosts after HBO with chemotherapy, and were retrospectively analyzed. The RT protocol was as follows: first, 3D conformal RT [40 Gy/20 fractions (fr)] was delivered to the gross tumor volume (GTV) and the surrounding edema, including an additional 1.5–2.0 cm. The IMRT boost doses were then continuously delivered to the GTV plus 5 mm (28 Gy/8 fr) and the surrounding edema (16 Gy/8 fr). Each IMRT boost session was performed immediately after HBO to achieve radiosensitization. The planned RT dose was completed in all patients, while HBO therapy was terminated in one patient (4%) due to Grade 2 aural pain. The toxicities were mild, no non-hematological toxicity of Grade 3–5 was observed. The 2-year overall survival (OS) and progression-free survival rates in all patients were 46.5% and 35.4%, respectively. The median OS time was 22.1 months. In conclusion, the combined therapy of RT using IMRT boosts after HBO with chemotherapy was a feasible and promising treatment modality for patients with glioblastoma. The results justify further evaluation to clarify the benefits of this therapy.


2016 ◽  
Vol 64 (3) ◽  
pp. 417 ◽  
Author(s):  
Angela Maria Trujillo ◽  
Adriana Linares Ballesteros ◽  
Isabel Cristina Sarmiento

Background: Acute lymphoblastic leukemia is the most common cancer in children. In developed countries, overall survival rates are around 80%, while in developing countries, survival rate is much lower due to high rates of relapse, and abandonment and complications arising from the disease treatment.Objectives: To assess induction mortality, relapse and treatment abandonment. To describe the most frequent side effects of chemotherapy. To evaluate survival rates of patients and compare the findings found in this study with the existing literature.Material and methods: A retrospective cohort study was conducted on patients aged 1 to 18 with acute lymphoblastic leukemia, who received treatment under the BFM ALL IC 2009 protocol at Fundación Hospital La Misericordia (HOMI), from November 2012 to December 2014.Results: 119 patients were included. Death occurred in two cases during induction (1.67%) and in nine (7.7%) due to treatment, all of them caused by infection/sepsis and in complete remission. Six patients abandoned treatment (5%), while seven relapses occurred (5.9%). All patients experienced some type of side effect related to chemotherapy, the most frequent being febrile neutropenia (41.2%) and grade 3-4 infections (15.8%). Overall survival and event-free survival rates were 79.9% and 73.3%, respectively.Conclusions: Evaluating complications of treatment and death allows adopting measures and strategies to reduce such complications.


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 5500-5500 ◽  
Author(s):  
Ezra E. W. Cohen ◽  
Theodore Karrison ◽  
Masha Kocherginsky ◽  
Chao H Huang ◽  
Mark Agulnik ◽  
...  

5500 Background: IC is associated with lower distant failure (DF) rates in SCCHN but an improvement in overall survival (OS) has not been validated. The goal of this trial was to determine whether IC prior to chemoradiotherapy (CRT) improves survival compared to CRT alone. Methods: In this phase 3, open-label trial, subjects with pathologically confirmed SCCHN; N2/N3 disease without metastases; no prior therapy; KPS ³ 70%; and intact organ function were randomized to CRT alone (CRT arm) [5 days of D (25 mg/m2), F (600 mg/m2), hydroxyurea (500 mg BID), and RT (150 cGy BID) followed by a 9 day break] or to 2 cycles of IC [D (75 mg/m2), P (75 mg/m2), F (750 mg/m2 day 1-5)] followed by the same CRT (IC arm). Primary endpoint was OS. Secondary endpoints included DF free survival, failure pattern, and recurrence-free survival (RFS). 280 subjects provided 80% power to detect a hazard ratio HR=0.5 for OS (a=0.05). Results: 280 subjects were accrued from 2004-09 with minimum follow-up 24 months. Of 142 patients randomized to IC, 91% received 2 cycles and 87% continued to CRT. Treatment adherence during CRT was high for docetaxel and hydroxyurea, but fewer than 75% of the patients received target dose of 5FU in both arms. RT was delivered without major deviations in 94% and 95% of patients on IC and CRT arms, respectively. The most common grade 3-4 toxicities during IC were febrile neutropenia (9%) and mucositis (8%), and during CRT (both arms combined) they were mucositis (45%), dermatitis (19%), and leukopenia (17%). Only grade 3-4 leukopenia and neutropenia rates were significantly higher in IC (p=0.002 and p=0.02, respectively). Table shows efficacy. Conclusions: High survival rates were observed in both arms. Further analysis and follow-up may provide insight into why the significant decrease in DF did not translate into improved OS. [Table: see text]


2017 ◽  
Vol 35 (6_suppl) ◽  
pp. 16-16 ◽  
Author(s):  
Stephane Gilles Guerif ◽  
Igor Latorzeff ◽  
Lise Roca ◽  
Djelila Allouache ◽  
Stephane Supiot ◽  
...  

16 Background: Radical prostatectomy (RP) is recommended as a standard treatment for localized prostate cancer. However no recommendations exist for pts with detectable PSA after RP. Methods: Pts with localized prostate cancer, treated by RP (R0 or R1), with a PSA level post-RP ≥ 0.2 ng/mL and ≤ 2 ng/mL at randomization and N0 M0 on imaging were included. Pts were randomized (1:1) to radiotherapy (RT) alone (RT arm) or 6 months degarelix hormone therapy (HT) with RT (RT+HT arm). RT consisted of pelvic irradiation (46 Gy in 23 Fr) with a boost on the prostate bed (66 Gy in 33 Fr). The primary endpoint is the event-free survival (EFS). Secondary endpoints are: 5-yr EFS and metastases-free survival, 5 and 10-yr OS, acute and late toxicity (CTCAE V4.0), and QOL. With 122 patients, the probability of selecting the most effective arm is over 80% for a 20% reduction in the HR = 0.80. Results: From Dec-2012 to Sept-2015, 125 pts were included (RT arm: 64 pts; RT+HT arm: 61). Median follow up is 14.7 months (6.2; 33.5). The baseline characteristics are well-balanced: median age was 66 yrs (50-77), all men having an ECOG ≤ 1 (ECOG 0 in 92%), a median Gleason score of 7 (3-9), a median PSA of 0.3 ng/mL (0.09-1.82) post-RP and 0.6 ng/mL (0.12-3.65) at randomization. All pts received 33 Fr of RT. In the RT+HT arm 98.4% of pts received the 6 months of HT planned. All pts were eligible for safety analysis. No grade 4 toxicity or toxic death was reported. Grade 3 acute toxicity, occurring within 6 months of RT, were reported for 11/125 pts (9%): 3/64 pts (5%) in the RT arm and 8/61 pts (13%) in RT+HT arm (NS). Regarding grade 3 toxicities, the following occurred only in the RT+HT arm: erectile dysfunction (3 pts) and urinary incontinence (2 pts); in contrast, dysuria/pollakiuria (2 pts) occurred only in the RT arm. In the RT+HT arm, grade 2 toxicities included hot flushes (8 pts) and decreased libido (7 pts). Conclusions: In terms of acute toxicities the RT+HT arm is well tolerated with the observed toxicities usually expected with concomitant HT. The primary endpoint analysis is expected for 2018. Clinical trial information: NCT01994239.


2018 ◽  
Vol 105 (2) ◽  
pp. 138-143 ◽  
Author(s):  
Alessia Compostella ◽  
Maria Carmen Affinita ◽  
Michela Casanova ◽  
Giuseppe Maria Milano ◽  
Angela Scagnellato ◽  
...  

Introduction: From 2002 to 2011, the Italian Soft Tissue Sarcoma Committee explored a combination of topotecan and carboplatin as a second-line strategy for children with resistant or relapsing rhabdomyosarcoma. Methods: Patients received two blocks of topotecan 2 mg/m2 on days 1, 2, and 3, and carboplatin 250 mg/m2 on days 4 and 5, followed by alternating blocks of topotecan–cyclophosphamide and carboplatin–etoposide for a total of six courses with 3-week intervals. Tumor response was assessed after two cycles, and local control was implemented when feasible. Results: A total of 38 patients were included in this study: 18/38 had alveolar rhabdomyosarcoma (RMS), 10/38 had metastatic disease at diagnosis, 8/38 had tumor progression during first-line chemotherapy, 21/38 had locoregional relapses, and 9/38 had distant relapses. Thirty-two patients could be assessed for tumor response to topotecan–carboplatin, and 9 (28%) showed a complete or partial response. Twenty-four patients experienced grade IV hematologic toxicity, while transient grade 1 tubulopathy, grade 3 mucositis, transient grade 2 nephrotoxicity, and a grade 2 decline in cardiac function occurred in one patient each. The 5-year overall and progression-free survival rates were 17% and 14%, respectively. Conclusion: the prognosis for children with resistant or relapsing RMS remains unsatisfactory. The topotecan–carboplatin regimen was well-tolerated. Though in case of late relapse the response rate was similar to those reported for other regimes, the result achieved remains unsatisfactory. New approaches, possibly including target agents, seem more attractive for future studies.


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