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Has the Scottish Managed Clinical Network for Sarcoma influenced the survival outcomes for primary malignant bone tumours?

ABSTRACT: Primary malignant bone tumours (PMBT) are rare. We have reviewed patient outcomes in Scotland over a 20 year period and provided an update on the principles of current management strategies for the non-specialist practitioner. The Scottish Managed Clinical Network for Sarcoma (MCN) connects the three main management centres for sarcoma in Scotland: Glasgow, Aberdeen and Edinburgh. Prior to the formation of the MCN, all centres were connected via the Scottish Bone Tumour Registry (SBTR), where they would meet on a quarterly basis and all the bone/soft tissue tumour cases were discussed retrospectively. The MCN was introduced in 2006. Our primary aims were to assess the impact of the MCN on patient outcomes and to update clinicians on the recognition, assessment and staging of PMBT. A secondary aim was to compare results from the Scottish centres with other UK sites. The patient information was gathered from the Scottish Bone Tumour Registry, held at the Queen Elizabeth University Hospital in Glasgow. All patients with diagnoses of Osteosarcoma, Chondrosarcoma and Ewing Sarcoma between 1994 and 2014 were included. Results showed that there was no significant change in outcome following the formation of the Scottish Managed Clinical Network for Sarcoma, and that there were little differences in outcome amongst the three major management centres in Scotland. Findings also show Scotland to have similar outcomes to that of the rest of the UK following diagnosis of a primary malignant bone tumour.

SUBMITTER: MacDonald F

PROVIDER: S-EPMC6423303 | biostudies-literature | 2019 May-Jun

REPOSITORIES: biostudies-literature

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Has the Scottish Managed Clinical Network for Sarcoma influenced the survival outcomes for primary malignant bone tumours?

MacDonald F F Gupta S S

Journal of orthopaedics 20190307 3

Primary malignant bone tumours (PMBT) are rare. We have reviewed patient outcomes in Scotland over a 20 year period and provided an update on the principles of current management strategies for the non-specialist practitioner. The Scottish Managed Clinical Network for Sarcoma (MCN) connects the three main management centres for sarcoma in Scotland: Glasgow, Aberdeen and Edinburgh. Prior to the formation of the MCN, all centres were connected via the Scottish Bone Tumour Registry (SBTR), where th ...[more]

PMID: 30923423

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Project description:BACKGROUND:Androgen deprivation therapy (ADT) remains a primary treatment for localized prostate cancer (PCa) even though there is no evidence that its use is beneficial in the absence of curative treatment. METHODS:Men aged ?70?years (n?=?16,534) diagnosed with localized PCa from 1985 to 2014 and managed either with primary observation or ADT in the absence of curative treatment were included. The cases were identified from the population-based Finnish Cancer Registry. We estimated the standardized mortality ratios (SMR) for overall mortality by treatment group. We determined the relative risk (RR) of PCa-specific mortality (PCSM) and other-cause mortality between the two treatment groups. Survival was determined using the life table method. Two age groups (70-79?years and???80?years) and three calendar time cohorts (1985-1994, 1995-2004, and 2005-2014) were compared following adjustment of propensity score matching between the treatment groups with four covariates (age, year of diagnosis, educational level, and hospital district). Follow-up continued until death or until December 31, 2015. RESULTS:Patients in the observation group had lower overall SMRs than those in the ADT group in both age cohorts over the entire study period. PCSM was higher in men aged 70-79?years undergoing primary ADT compared to those managed by observation only (RR: 1.70, 95% confidence interval [CI]: 1.29-2.23 [1985-1994]; RR 1.55, 95% CI: 1.35-1.84 [1995-2004]; and RR 2.71, 95% CI: 2.08-3.53 [2005-2014]); p?=?0.005 for periodic trend. A similar trend over time was also observed in men aged >?80?years; (p for age-period interaction?=?0.237). Overall survival was also higher among men in their 70's managed by observation compared to those undergoing ADT. CONCLUSIONS:Primary ADT within four months period from diagnosis is not associated with improved long-term overall survival or decreased PCSM compared to primary conservative management for men with localized PCa. However, this observational study's conclusions should be weighted with confounding factors related to cancer aggressiveness and comorbidities.

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Has the Scottish Managed Clinical Network for Sarcoma influenced the survival outcomes for primary malignant bone tumours?

Publications

Has the Scottish Managed Clinical Network for Sarcoma influenced the survival outcomes for primary malignant bone tumours?

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