2018
A phase Ib study of pictilisib (GDC-0941) in combination with paclitaxel, with and without bevacizumab or trastuzumab, and with letrozole in advanced breast cancer
Schöffski P, Cresta S, Mayer IA, Wildiers H, Damian S, Gendreau S, Rooney I, Morrissey KM, Spoerke JM, Ng VW, Singel SM, Winer E. A phase Ib study of pictilisib (GDC-0941) in combination with paclitaxel, with and without bevacizumab or trastuzumab, and with letrozole in advanced breast cancer. Breast Cancer Research 2018, 20: 109. PMID: 30185228, PMCID: PMC6125885, DOI: 10.1186/s13058-018-1015-x.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityPhase Ib studyMetastatic breast cancerAdverse eventsBreast cancerIb studyResultsSixty-nine patientsAntitumor activityManageable safety profileAdvanced breast cancerSerious adverse eventsPreliminary antitumor activityDrug-drug interactionsEvaluation of safetySecondary endpointsPartial responseComplete responseDose escalationRandomized studySafety profilePatientsBevacizumabTrastuzumabPictilisibLetrozole
2017
18F-Fluoroestradiol PET/CT Measurement of Estrogen Receptor Suppression during a Phase I Trial of the Novel Estrogen Receptor-Targeted Therapeutic GDC-0810: Using an Imaging Biomarker to Guide Drug Dosage in Subsequent Trials
Wang Y, Ayres KL, Goldman DA, Dickler MN, Bardia A, Mayer IA, Winer E, Fredrickson J, Arteaga CL, Baselga J, Manning HC, Mahmood U, Ulaner GA. 18F-Fluoroestradiol PET/CT Measurement of Estrogen Receptor Suppression during a Phase I Trial of the Novel Estrogen Receptor-Targeted Therapeutic GDC-0810: Using an Imaging Biomarker to Guide Drug Dosage in Subsequent Trials. Clinical Cancer Research 2017, 23: 3053-3060. PMID: 28011460, PMCID: PMC5474190, DOI: 10.1158/1078-0432.ccr-16-2197.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBiomarkers, PharmacologicalBreast NeoplasmsCinnamatesDose-Response Relationship, DrugEstradiolEstrogen Receptor alphaFemaleFulvestrantHumansIndazolesMiddle AgedMolecular ImagingMolecular Targeted TherapyPositron Emission Tomography Computed TomographyReceptors, EstrogenTamoxifenConceptsFES-PET/CTPET/CTClinical trialsER-positive metastatic breast cancerPhase IPhase I clinical trialEstrogen receptor occupancyPhase II trialMetastatic breast cancerSubsequent clinical trialsClin Cancer ResER downregulationFulvestrant therapyAntagonist/Escalation trialII trialTarget lesionsBreast cancerER occupancyUseful biomarkerPatientsReceptor occupancyDay 3Uptake valueDrug dosage