PURPOSE: The IMMUNOSARC trial combined an antiangiogenic agent (sunitinib) with a PD1 inhibitor (nivolumab) in advanced sarcomas. Here, we present the first correlative studies of the soft-tissue sarcoma cohort enrolled in this trial. EXPERIMENTAL DESIGN: Formalin-fixed paraffin-embedded and peripheral blood samples were collected at baseline and week 13. Formalin-fixed paraffin-embedded samples were used for transcriptomics and multiplex immunofluorescence, whereas peripheral blood samples were used for multiplexed immunoassays. Flow cytometry and Luminex assays were performed to validate translational findings in tumor-isolated cells and peripheral blood mononuclear cells derived from patients. RESULTS: The density of intratumoral CD8+ T cells, measured by multiplexed immunophenotyping, was significantly increased after treatment. This augment was accompanied by the dynamic significant increase in the gene expressions of CD86, CHI3L1, CXCL10, CXCL9, LAG3, and VCAM1 and the decrease in the expression levels of NR4A1. In peripheral blood, 12 proteins were significantly modulated by treatment at week 13. A score integrating the dynamic expression of the 7 genes and the 12 soluble factors separated 2 groups with distinct progression-free survival (PFS): 4.1 months [95% confidence interval, 3.5-not reached (NR)] versus 17 months (95% confidence interval, 12.0-NR), P = 0.014. This molecular score was predictive of PFS when applied to the normalized data determined in the baseline samples. CONCLUSIONS: Treatment with sunitinib and nivolumab inflamed the sarcoma microenvironment, increasing CD8+ T-cell density and the expression of several genes/proteins with relevance in the response to PD1 inhibitors. A molecular signature identified two groups of patients with distinct PFS for the combination of antiangiogenics plus PD1 inhibitor therapy.
- MeSH
- antigeny CD279 antagonisté a inhibitory MeSH
- CD8-pozitivní T-lymfocyty imunologie účinky léků metabolismus MeSH
- dospělí MeSH
- inhibitory angiogeneze terapeutické užití aplikace a dávkování MeSH
- inhibitory kontrolních bodů terapeutické užití farmakologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- nádorové biomarkery MeSH
- nádorové mikroprostředí účinky léků imunologie MeSH
- nivolumab terapeutické užití aplikace a dávkování MeSH
- prognóza MeSH
- protokoly antitumorózní kombinované chemoterapie terapeutické užití MeSH
- sarkom * farmakoterapie patologie genetika MeSH
- senioři MeSH
- tumor infiltrující lymfocyty imunologie metabolismus účinky léků MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- MeSH
- lidé MeSH
- nádory dělohy * terapie MeSH
- sarkom * terapie MeSH
- Check Tag
- lidé MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- směrnice pro lékařskou praxi MeSH
BACKGROUND: The European Association of Urology (EAU) non-muscle-invasive bladder cancer (NMIBC) guidelines are meant to help minimise morbidity and improve the care of patients with NMIBC. However, there may be underuse of guideline-recommended care in this potentially curable cohort. OBJECTIVE: To assess European physicians' current practice in the management of NMIBC and evaluate its concordance with the EAU 2013 guidelines. DESIGN, SETTING, AND PARTICIPANTS: Initial 45-min telephone interviews were conducted with 20 urologists to develop a 26-item questionnaire for a 30-min online quantitative interview. A total of 498 physicians with predefined experience in treatment of NMIBC patients, from nine European countries, completed the online interviews. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Descriptive statistics of absolute numbers and percentages of the use of diagnostic tools, risk group stratification, treatment options chosen, and follow-up regimens were used. RESULTS AND LIMITATIONS: Guidelines are used by ≥87% of physicians, with the EAU guidelines being the most used ones (71-100%). Cystoscopy (60-97%) and ultrasonography (42-95%) are the most used diagnostic techniques. Using EAU risk classification, 40-69% and 88-100% of physicians correctly identify all the prognostic factors for low- and high-risk tumours, respectively. Re-transurethral resection of the bladder tumour (re-TURB) is performed in 25-75% of low-risk and 55-98% of high-risk patients. Between 21% and 88% of patients received a single instillation of chemotherapy within 24h after TURB. Adjuvant intravesical treatment is not given to 6-62%, 2-33%, and 1-20% of the patients with low-, intermediate-, and high-risk NMIBC, respectively. Patients with low-risk NMIBC are likely to be overmonitored and those with high-risk NMIBC undermonitored. Our study is limited by the possible recall bias of the selected physicians. CONCLUSIONS: Although most European physicians claim to apply the EAU guidelines, adherence to them is low in daily practice. PATIENT SUMMARY: Our survey among European physicians investigated discrepancies between guidelines and daily practice in the management of non-muscle-invasive bladder cancer (NMIBC). We conclude that the use of the recommended diagnostic tools, risk-stratification of NMIBC, and performance of re-TURB have been adopted, but adjuvant intravesical treatment and follow-up are not uniformly applied.
- MeSH
- invazivní růst nádoru MeSH
- lékařská praxe - způsoby provádění * MeSH
- lidé MeSH
- nádory močového měchýře diagnóza terapie MeSH
- průzkumy zdravotní péče MeSH
- směrnice pro lékařskou praxi jako téma * MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- srovnávací studie MeSH
- Geografické názvy
- Evropa MeSH
BACKGROUND: The orally available BRAF kinase inhibitor vemurafenib is an effective and tolerable treatment option for patients with metastatic melanoma harbouring BRAF(V600) mutations. We assessed the safety of vemurafenib in a large population of patients with few alternative treatment options; we report updated 2-year safety. METHODS: This was an open-label, multicentre study of vemurafenib (960 mg bid) in patients with previously treated or untreated BRAF mutation-positive metastatic melanoma (cobas(®) 4800 BRAF V600 Mutation Test). The primary end-point was safety; efficacy end-points were secondary. An exploratory analysis was performed to assess safety outcomes in patients with long duration of response (DOR) (≥12 or ≥24 months). RESULTS: After a median follow-up of 32.2 months (95% CI, 31.1-33.2 months), 3079/3219 patients (96%) had discontinued treatment. Adverse events (AEs) were largely consistent with previous reports; the most common all-grade treatment-related AEs were arthralgia (37%), alopecia (25%) and hyperkeratosis (23%); the most common grade 3/4 treatment-related AEs were squamous cell carcinoma of the skin (8%) and keratoacanthoma (8%). In the exploratory analysis, patients with DOR ≥12 months (n = 287) or ≥24 months (n = 133) were more likely to experience grade 3/4 AEs than the overall population. No new specific safety signals were observed with longer vemurafenib exposure. CONCLUSIONS: After 2 years' follow-up, safety was maintained in this large group of patients with BRAF(V600) mutation-positive metastatic melanoma who are more representative of routine clinical practice than typical clinical trial populations. These data suggest that long-term vemurafenib treatment is effective and tolerable without the development of new safety signals.
- MeSH
- antitumorózní látky škodlivé účinky MeSH
- dospělí MeSH
- indoly škodlivé účinky MeSH
- lidé středního věku MeSH
- lidé MeSH
- melanom farmakoterapie genetika mortalita MeSH
- mutace genetika MeSH
- nádory kůže farmakoterapie genetika mortalita MeSH
- nádory mozku mortalita sekundární MeSH
- následné studie MeSH
- přežití po terapii bez příznaků nemoci MeSH
- progrese nemoci MeSH
- protoonkogenní proteiny B-raf genetika MeSH
- senioři MeSH
- sulfonamidy škodlivé účinky MeSH
- výsledek terapie MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- klinické zkoušky MeSH
- multicentrická studie MeSH