Precision medicine at Memorial Sloan Kettering Cancer Center: clinical next-generation sequencing enabling next-generation targeted therapy trials.
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ABSTRACT:
SUBMITTER: Hyman DM
PROVIDER: S-EPMC4940024 | biostudies-literature | 2015 Dec
REPOSITORIES: biostudies-literature
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Precision medicine at Memorial Sloan Kettering Cancer Center: clinical next-generation sequencing enabling next-generation targeted therapy trials.
Hyman David M DM Solit David B DB Arcila Maria E ME Cheng Donavan T DT Sabbatini Paul P Baselga Jose J Berger Michael F MF Ladanyi Marc M
Drug discovery today 20150828 12
Implementing a center-wide precision medicine strategy at a major cancer center is a true multidisciplinary effort and requires comprehensive alignment of a broad screening strategy with a clinical research enterprise that can use these data to accelerate development of new treatments. Here, we describe the genomic screening approach at Memorial Sloan Kettering Cancer Center, a hybridization capture-based next-generation sequencing clinical assay for solid tumor molecular oncology designated MSK ...[more]
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Project description:The Memorial Sloan Kettering Cancer Center (MSKCC) recommendations on prostate cancer screening were developed in response to three limitations of previous screening guidelines: insufficient evidence base, failure to link screening with treatment, and lack of risk stratification. The objective of the recommendations is to provide a schema for prostate cancer screening that maximizes the benefits, in terms of reduction in prostate cancer-specific mortality, and minimizes the harms, in terms of overdiagnosis and overtreatment. We recommend the following schema for men choosing to be screened following informed decision-making: starting at age 45, prostate-specific antigen (PSA) without digital rectal examination. If PSA ≥ 3 ng/mL: consider prostate biopsy; if PSA ≥ 1 but < 3 ng/mL: return for PSA testing every 2-4 years; if PSA < 1 ng/mL: return for PSA testing at 6-10 years. PSA testing should end at age 60 for men with PSA ≤ 1 ng/ mL; at 70, unless a man is very healthy and has a higher than average PSA; at 75 for all men. The decision to biopsy a man with a PSA > 3 ng/mL should be based on a variety of factors including repeat blood draw for confirmatory testing of the PSA level, digital rectal examination results, and workup for benign disease. Additional reflex tests in blood such as a free-to-total PSA ratio, the Prostate Health Index, or 4Kscore, or urinary testing of PCA3, can also be informative in some patients. The best evidence suggests that more restricted indication for prostate biopsy and a more focused approach to pursue screening in men at highest risk of lethal cancer would retain most of the mortality benefits of aggressive screening schema, while importantly reducing harms from overdetection and overtreatment.
| S-EPMC4842100 | biostudies-literature
Project description:BackgroundExtraneural metastasis of glioma is a rare event, often occurring in patients with advanced disease. Genomic alterations associated with extraneural glioma metastasis remain incompletely understood.MethodsTen patients at Memorial Sloan Kettering Cancer Center diagnosed with extraneural metastases of glioblastoma (9 patients) and gliosarcoma (1 patient) from 2003 to 2018 were included in our analysis. Patient characteristics, clinical course, and genomic alterations were evaluated.ResultsPatient age at diagnosis ranged from 14 to 73, with 7 men and 3 women in this group. The median overall survival from initial diagnosis and from diagnosis of extraneural metastasis was 19.6 months (range 11.2 to 57.5 months) and 5 months (range 1 to 16.1 months), respectively. The most common site of extraneural metastasis was bone, with other sites being lymph nodes, dura, liver, lung, and soft tissues. All patients received surgical resection and radiation, and 9 patients received temozolomide, with subsequent chemotherapy appropriate for individual cases. 1 patient had an Ommaya and then ventriculoperitoneal shunt placed, and 1 patient underwent craniectomy for cerebral edema associated with a brain abscess at the initial site of resection. Genomic analysis of primary tumors and metastatic sites revealed shared and private mutations with a preponderance of tumor suppressor gene alterations, illustrating clonal evolution in extraneural metastases.ConclusionsSeveral risk factors emerged for extraneural metastasis of glioblastoma and gliosarcoma, including sarcomatous dedifferentiation, disruption of normal anatomic barriers during surgical resection, and tumor suppressor gene alterations. Next steps with this work include validation of these genomic markers of glioblastoma metastases in larger patient populations and the development of preclinical models. This work will lead to a better understanding of the molecular mechanisms of metastasis to develop targeted treatments for these patients.
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Project description:ObjectiveTo present our institutional experience with adult prostate sarcoma over 30 years.Materials and methodsWe reviewed 38 cases of adult prostate sarcoma diagnosed and treated at our institution between 1982 and 2012. Univariate Cox proportional hazards regression was used to determine if there was an association between specific disease characteristics (tumor size, histology, American Joint Committee on Cancer stage, and metastasis at diagnosis) and cancer-specific survival (CSS).ResultsA total of 38 patients were included, with a median age of 50 years (range, 17-73 years). Most men presented with lower urinary tract symptoms (45%), hematuria (24%), or acute urinary retention (21%). Diagnosis was established with prostate needle biopsy (68%) or transurethral resection of the prostate (18%). The predominant histologic subtypes were leiomyosarcoma (13 cases, 34%) and rhabdomyosarcoma (12 cases, 32%). Rhabdomyosarcoma was associated with poorer CSS (hazard ratio, 3.00; 95% confidence interval [CI], 1.13-7.92; P = .027) compared with leiomyosarcoma. We did not observe a significant relationship between tumor size and CSS. Overall, median CSS was 2.9 years (95% CI, 1.5-5.4), with 7.7 years for clinically localized disease (95% CI 2.5; upper bound not reached) and 1.5 years for metastatic disease (95% CI 1.1, 2.7).ConclusionAdult prostate sarcoma has a poor prognosis, especially in cases of metastatic disease at the time of diagnosis. Surgery remains the standard of care, but it provides limited benefit to those with metastatic disease or as a consolidation therapy after partial response to systemic therapy.
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Project description:BackgroundLow-molecular-weight heparin has been the preferred treatment of cancer-associated thrombosis (CAT); however, emerging data support the use of direct oral anticoagulants (DOACs).ObjectivesThe Memorial Sloan Kettering Cancer Center Clinical Pathway has served as the institutional guideline for the use of rivaroxaban to treat CAT since 2014. Key elements are to recommend against use of a DOAC in patients with active gastrointestinal (GI) or genitourinary tract lesions, and a prespecified dose reduction in the elderly (75+ years old). We present our institutional experience for treatment of CAT.MethodsFrom January 2014 through September 2016, 1072 patients began rivaroxaban treatment for CAT; 91.9% had a solid tumor, 8.1% had hematologic malignancies, and 75% of patients with solid tumors had metastatic disease. All patients with CAT treated with rivaroxaban were included in this analysis, regardless of adherence to the Clinical Pathway.ResultsThe 6-month cumulative incidence of recurrent venous thromboembolism and major bleeding were 4.2% (95% confidence interval [CI], 2.7%-5.7%) and 2.2% (95% CI, 1.1%-3.2%), respectively. The incidence of clinically relevant non-major bleeding leading to discontinuation of rivaroxaban for at least 7 days was 5.5% (95% CI, 3.7%-7.1%), and 73.3% of major bleeds occurred in the GI tract. The 6-month cumulative mortality rate was 22.2% (95% CI, 19.4%-24.9%). The elderly had similar rates of recurrent thrombosis and bleeding as those aged under 75 years.ConclusionOur institutional experience suggests that in appropriately selected patients, rivaroxaban may be used for treatment of CAT with promising safety and efficacy.
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Project description:We report the pathology and outcome of secondary skull base tumors in patients previously treated with external beam radiation for retinoblastoma (Rb). Rb patients are at increased risk of second head and neck primary malignancies due to early radiation exposure during treatment and loss of RB1 protein in genetic carriers. An institutional database was reviewed for patients with retinoblastoma who had previously received radiation therapy and subsequently developed skull base tumors. Seventeen patients met the selection criteria. The median age of Rb diagnosis was 12 months. Thirteen cases underwent enucleation in addition to radiation therapy as part of initial Rb treatment. A median of 19 years elapsed between the diagnosis of Rb and diagnosis of skull base malignancy. The most common tumors were osteogenic sarcoma (39%) and leiomyosarcoma (22%). Eleven (71%) patients received postoperative chemotherapy, and 7 (41%) received postoperative radiotherapy. Three (24%) patients underwent salvage surgery for recurrent disease. Five-year survival was 68%, and 10-year survival was 51% by Kaplan-Meier analysis. Secondary malignancy in Rb patients is a well-defined event. The use of surgery with appropriate adjuvant therapy was associated with a 51% 10-year survival in this study population.
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Project description:BackgroundThe proliferation of relationships between community health systems and academic medical centers has created a need to identify effective components of these models. This article reports on frontline physician experiences, with one such relationship established through the Memorial Sloan Kettering Cancer Center (MSK) Cancer Alliance. MSK created the Alliance with the goals of rapidly bringing the newest standards of care into community settings and increasing patient access to clinical trials in their local communities.MethodsAlliance leadership administered a 10-question anonymous survey to physicians treating patients with cancer across the 3 Alliance member health systems: Hartford HealthCare Cancer Institute, Lehigh Valley Cancer Institute, and Miami Cancer Institute at Baptist Health South Florida. The purpose of the survey was to identify opportunities to improve physician engagement.ResultsThere were 103 clinician respondents across Alliance members, of which 87 reported participation in a disease management team and were included in the final analysis. Most respondents reported high value from Alliance activities, such as attending MSK tumor boards (94%) and lecture series (96%), among those who reported them applicable. Across all respondents, most reported satisfaction with engagement opportunities, such as MSK physician participation in their institution's meetings (76%). When asked where they would like to see increased engagement, the most commonly reported response was for more lecture series (45%). Most respondents (88%) reported that the Alliance led to practice change, either for themselves or for other clinicians at their institution. Many attributed this practice change to MSK disease-specific process measures.ConclusionsThe activities most valued by community physicians were heavily physician relationship-based. The encouraging experience of the MSK Cancer Alliance suggests that activities involving physician investment may be effective for promoting practice change in the context of cross-institution relationships. Future research is needed in this area.
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Project description:Prostate-specific antigen (PSA) density is an established prognostic marker for prostate cancer. We investigated whether the inclusion of PSA density or prostate volume in the Memorial Sloan Kettering Cancer Center nomograms improves the prediction of biochemical recurrence (BCR) after radical prostatectomy (RP). Among the 11 725 men included, 2140 developed BCR. Neither PSA density nor prostate volume was associated with BCR when added to either the pre-RP or post-RP model (all p values ≥0.10) and changes in the C index were very small (largest change, 0.002). The results were robust to exclusion of outlying prostate volumes and restriction to patients treated after 2005. There is no justification for adding prostate volume or PSA density to BCR nomograms.Patient summaryAddition of prostate volume or prostate-specific antigen density to Memorial Sloan Kettering Cancer Center prediction schemes did not improve the prediction of recurrence of prostate cancer after removal of the prostate.
| S-EPMC8317781 | biostudies-literature
Project description:BackgroundPediatric oncologists have begun to leverage tumor genetic profiling to match patients with targeted therapies. At the Memorial Sloan Kettering Cancer Center (MSKCC), we developed the Pediatric Molecular Tumor Board (PMTB) to track, integrate, and interpret clinical genomic profiling and potential targeted therapeutic recommendations.ProcedureThis retrospective case series includes all patients reviewed by the MSKCC PMTB from July 2014 to June 2015. Cases were submitted by treating oncologists and potential treatment recommendations were based upon the modified guidelines of the Oxford Centre for Evidence-Based Medicine.ResultsThere were 41 presentations of 39 individual patients during the study period. Gliomas, acute myeloid leukemia, and neuroblastoma were the most commonly reviewed cases. Thirty nine (87%) of the 45 molecular sequencing profiles utilized hybrid-capture targeted genome sequencing. In 30 (73%) of the 41 presentations, the PMTB provided therapeutic recommendations, of which 19 (46%) were implemented. Twenty-one (70%) of the recommendations involved targeted therapies. Three (14%) targeted therapy recommendations had published evidence to support the proposed recommendations (evidence levels 1-2), eight (36%) recommendations had preclinical evidence (level 3), and 11 (50%) recommendations were based upon hypothetical biological rationales (level 4).ConclusionsThe MSKCC PMTB enabled a clinically relevant interpretation of genomic profiling. Effective use of clinical genomics is anticipated to require new and improved tools to ascribe pathogenic significance and therapeutic actionability. The development of specific rule-driven clinical protocols will be needed for the incorporation and evaluation of genomic and molecular profiling in interventional prospective clinical trials.
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