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Melanoma tissue samples from a clinical trial: no treatment vs. post-temsirolimus alone vs. post-combination temsirolimus and bevacizumab

ABSTRACT: To determine if treatment with a combined therapeutic regimen, which resulted in clinical benefit in a subset of patients in a clinical trial, alters miRNA expression in a way that may be used to guide treatment with these agents and to identify miRNAs that may be involved in the mechanism of action of this regimen

ORGANISM(S): Merkel cell polyomavirus Human gammaherpesvirus 8 Mus musculus JC polyomavirus Rattus norvegicus Betapolyomavirus macacae Homo sapiens Murid gammaherpesvirus 4 Human immunodeficiency virus 1 Human betaherpesvirus 5 Human alphaherpesvirus 2 Betapolyomavirus hominis Human alphaherpesvirus 1 human gammaherpesvirus 4 Mus musculus cytomegalovirus 2 Murid betaherpesvirus 1

PROVIDER: GSE37131 | GEO | 2013/03/08

SECONDARY ACCESSION(S): PRJNA158407

REPOSITORIES: GEO

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Melanoma tissue samples from a clinical trial: no treatment vs. post-temsirolimus alone vs. post-combination temsirolimus and bevacizumab

Project description:To determine if treatment with a combined therapeutic regimen, which resulted in clinical benefit in a subset of patients in a clinical trial, alters miRNA expression in a way that may be used to guide treatment with these agents and to identify miRNAs that may be involved in the mechanism of action of this regimen Three-condition experiment, untreated tissue, post-temsirolimus alone treatment, post combination-treatment tissue. 33 total samples, including 5 samples resubmitted for quality control.

2013-03-08 | E-GEOD-37131 | biostudies-arrayexpress

Melanoma tissue samples from a clinical trial: no treatment vs. post-temsirolimus alone vs. post-combination temsirolimus and bevacizumab

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The NEWEST trial

Project description:The NEWEST (Neoadjuvant Endocrine Therapy for Women with Estrogen-Sensitive Tumours) trial compared the clinical and biological activity of fulvestrant 500 mg vs 250 mg in the neoadjuvant setting. In this multi-centre phase II study, post-menopausal women with operable, locally advanced (T2, 3, 4b; N0-3; M0) ER-positive breast tumours were randomised to receive neoadjuvant treatment with either dose of fulvestrant for 16 weeks before surgery. Tumour core biopsies were obtained at baseline, 4 weeks and at surgery for assessment of changes in biomarker expression. Tumour volumes were measured by 3-D ultrasound at the same timepoints. In this trial, the percentage of patients who showed a reduction in tumour volume or stabilisation of disease (using RECIST criteria) after treatment with fulvestrant 500 mg was 36% (26 out of 69 patients). Therefore, within a population of endocrine-therapy naive patients whose tumours were confirmed as being ER-positive at the time of study entry, there is a subgroup who gained particular clinical benefit from fulvestrant treatment. These clinical response data together with the availability of biological response information and frozen tumour tissue from participants makes the NEWEST trial an attractive setting in which to investigate the potential of new markers of response to fulvestrant. 42 samples

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Expression data from 36 KRAS-mutant lung adenocarcinomas from the BATTLE-2 clinical trial.

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