Baylor Charles mmons Cancer Center

Dallas, TX, United States

Baylor Charles mmons Cancer Center

Dallas, TX, United States
Time filter
Source Type

Blum J.L.,Baylor Charles mmons Cancer Center | Barrios C.H.,Pontifical Catholic University of Rio Grande do Sul | Feldman N.,View Medical | Verma S.,University of Toronto | And 4 more authors.
Breast Cancer Research and Treatment | Year: 2012

We assessed the efficacy and safety of capecitabine across treatment lines, and the impact of patient and disease characteristics on outcomes using data from phase II/III trials. Individual patient data were pooled from seven Roche/Genentech-led trials conducted from 1996 to 2008 where single-agent capecitabine was the test or control regimen for metastatic breast cancer (MBC). Data were analyzed from 805 patients: 268 in the first-line metastatic setting and 537 in the second-line or later setting. Baseline characteristics were balanced across treatment lines. Patients receiving second-line or later versus first-line capecitabine had lower objective response rates (ORR: 19.0 vs. 25.0 %, respectively, odds ratio 0.70; 95 % CI: 0.5-1.0) and significantly shorter progression-free survival (PFS: median 112.0 days [3.7 months] vs. 150.0 days [4.9 months]; p < 0.0001) and overall survival (OS: median 396.0 days [13.0 months] vs. 666.0 days [21.9 months]; p < 0.0001). In multivariate analysis by backward elimination, significantly improved ORR (p = 0.0036), PFS (p < 0.0001) and OS (p < 0.0001) with capecitabine were demonstrated in patients with estrogen receptor (ER) and/or progesterone receptor (PgR)-positive versus both ER and PgR-negative tumors. Hand-foot syndrome (HFS) was the most common adverse event (AE) in 63 % of patients. Overall, 7 % of patients discontinued and two patients (<1 %) died from treatment-related AEs. Significantly improved survival was observed in patients developing capecitabine-related HFS (p < 0.0001 PFS/OS) or diarrhea (p = 0.004 OS; p = 0.0045 PFS) versus patients without these events. In this pooled analysis of individual patient data, first-line capecitabine was associated with improved ORR, PFS, and OS versus second or later lines. Multivariate analyses identified greater ORR, PFS, and OS with capecitabine in patients with ER and/or PgR-positive versus ER/PgR-negative tumors. Safety was in-line with previous phase III trials in MBC. © 2012 Springer Science+Business Media New York.

Ubel P.A.,Duke University | Berry S.R.,University of Toronto | Berry S.R.,Sunnybrook Odette Cancer Center | Nadler E.,Baylor Charles mmons Cancer Center | And 6 more authors.
Health Affairs | Year: 2012

Amid calls for physicians to become better stewards of the nation's health care resources, it is important to gain insight into how physicians think about the cost-effectiveness of new treatments. Expensive new cancer treatments that can extend life raise questions about whether physicians are prepared to make "value for money" tradeoffs when treating patients. We asked oncologists in the United States and Canada how much benefit, in additional months of life expectancy, a new drug would need to provide to justify its cost and warrant its use in an individual patient. The majority of oncologists agreed that a new cancer treatment that might add a year to a patient's life would be worthwhile if the cost was less than $100,000. But when given a hypothetical case of an individual patient to review, the oncologists also endorsed a hypothetical drug whose cost might be as high as $250,000 per life-year gained. The results show that oncologists are not consistent in deciding how many months an expensive new therapy should extend a person's life before the cost of therapy is justified. Moreover, the benefit that oncologists demand from new treatments in terms of length of survival does not necessarily increase according to the price of the treatment. The findings suggest that policy makers should find ways to improve how physicians are educated on the use of cost-effectiveness information and to influence physician decision making through clinical guidelines that incorporate cost-effectiveness information. © 2012 Project HOPE-The People-to-People Health Foundation, Inc.

Muss H.,University of North Carolina at Chapel Hill | Cortes J.,University of Barcelona | Vahdat L.T.,New York Medical College | Cardoso F.,Jules Bordet Institute | And 6 more authors.
Oncologist | Year: 2014

Purpose. Following the demonstrated efficacy and safety of eribulin mesylate in heavily pretreated patients with metastatic breast cancer, an exploratory analysis was performed to investigate the effect of age in these patients. Methods. Data were pooled from two single-arm phase II studies and one open-label randomized phase III study inwhich patients received eribulin mesylate at 1.4 mg/m2 as 2- to 5- minute intravenous infusions on days 1 and 8 of a 21-day cycle. The effect of age on median overall survival (OS), progressionfree survival (PFS), overall response rate (ORR), clinical benefit rate (CBR), and incidence of adverse events (AEs) was calculated for four age groups (<50 years, 50-59 years, 60-69 years,≥70 years). Results. Overall, 827 patients were included in the analysis (<50 years, n = 253; 50-59 years, n = 289; 60-69 years, n = 206; ≥70 years, n = 79). Age had no significant impact on OS (11.8 months, 12.3 months, 11.7 months, and 12.5 months, respectively; p =.82),PFS (3.5months, 2.9months, 3.8months, and 4.0 months, respectively; p =.42), ORR (12.7%, 12.5%, 6.3%, and 10.1%, respectively), or CBR (20.2%, 20.8%, 20.4%, and 21.5%, respectively). Although some AEs had higher incidence in either the youngest or the oldest subgroup, there was no overall effect of age on the incidence of AEs (including neuropathy, neutropenia, and leukopenia). Conclusion. Eribulin monotherapy in these selected older patients with good baseline performance status led to OS, PFS, ORR, CBR, and tolerability similar to those of younger patients with metastatic breast cancer.The benefits and risks of eribulin appear to be similar across age groups. © AlphaMed Press 2014.

Crown J.,St Vincents University Hospital | Crown J.,Dublin City University | O'Shaughnessy J.,Baylor Charles mmons Cancer Center | Gullo G.,St Vincents University Hospital
Annals of Oncology | Year: 2012

Standard chemotherapy regimens can prove effective for patients with early triple-negative breast cancer (TNBC); however, patients with advanced disease typically respond poorly and rapidly progress, and the outcome is poor. New targeted therapies are therefore an urgent unmet medical need for this patient population. Translational and clinical studies into new TNBC treatments have been facilitated by the increased understanding of the aberrant signal transduction pathways regulating growth and survival and the development of chemoresistance in TNBC. Some of the established targeted agents that have been approved in other indications may prove beneficial to patients with TNBC; however, in the absence of approved targeted agents for the treatment of TNBC, most new agents remain experimental. Increased understanding of molecular profiles of TNBC subtypes is likely to improve therapeutic strategies with targeted agents. Novel strategies have reached clinical evaluation in patients with TNBC, including targeting angiogenesis vascular endothelial growth factor and proliferation signalling (receptor tyrosine kinases and mammalian target of rapamycin). Aggressive TNBCs have been found to associate closely with BRCA1 mutation or dysregulation. The recent development of new investigational agents targeting DNA repair, either directly with poly(adenosine disphosphate-ribose) polymerase inhibitors or indirectly through DNA-binding or DNA-damage potentiation, is a major focus of current clinical studies. These and other targeted therapies represent a new approach to TNBC therapy. © The Author 2012. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved.

Abbott D.M.,Baylor Charles mmons Cancer Center
Compendium of continuing education in dentistry (Jamesburg, N.J. : 1995) | Year: 2013

Implementing an oral health/systemic health wellness plan for patients can be an important part of a dental practice's proactive approach to healthcare that emphasizes early detection and treatment of disease. As an adjunct to clinical observations, medical history, and patient information gathered and assessed by the practitioner, utilization of screening and diagnostic technology, including oral cancer screening devices, salivary diagnostic tests, and caries detection devices, can aid in the early detection of disease. These tests, which are usually billable, can aid in providing timely, effectual wellness services to patients by enabling practitioners to supply these services more effectively and at an early stage to the benefit of the patient's overall health.

Cortes J.,University of Barcelona | O'Shaughnessy J.,Baylor Charles mmons Cancer Center | Loesch D.,Caris Life science | Blum J.L.,Baylor Charles mmons Cancer Center | And 16 more authors.
The Lancet | Year: 2011

Background: Treatments with survival benefit are greatly needed for women with heavily pretreated metastatic breast cancer. Eribulin mesilate is a non-taxane microtubule dynamics inhibitor with a novel mode of action. We aimed to compare overall survival of heavily pretreated patients receiving eribulin versus currently available treatments. Methods: In this phase 3 open-label study, women with locally recurrent or metastatic breast cancer were randomly allocated (2:1) to eribulin mesilate (1.4 mg/m2 administered intravenously during 2-5 min on days 1 and 8 of a 21-day cycle) or treatment of physician's choice (TPC). Patients had received between two and five previous chemotherapy regimens (two or more for advanced disease), including an anthracycline and a taxane, unless contraindicated. Randomisation was stratified by geographical region, previous capecitabine treatment, and human epidermal growth factor receptor 2 status. Patients and investigators were not masked to treatment allocation. The primary endpoint was overall survival in the intention-to-treat population. This study is registered at, number NCT00388726. Findings: 762 women were randomly allocated to treatment groups (508 eribulin, 254 TPC). Overall survival was significantly improved in women assigned to eribulin (median 13.1 months, 95% CI 11.8-14.3) compared with TPC (10.6 months, 9.3-12.5; hazard ratio 0.81, 95% CI 0.66-0.99; p=0.041). The most common adverse events in both groups were asthenia or fatigue (270 [54%] of 503 patients on eribulin and 98 [40%] of 247 patients on TPC at all grades) and neutropenia (260 [52%] patients receiving eribulin and 73 [30%] of those on TPC at all grades). Peripheral neuropathy was the most common adverse event leading to discontinuation from eribulin, occurring in 24 (5%) of 503 patients. Interpretation: Eribulin showed a significant and clinically meaningful improvement in overall survival compared with TPC in women with heavily pretreated metastatic breast cancer. This finding challenges the notion that improved overall survival is an unrealistic expectation during evaluation of new anticancer therapies in the refractory setting. Funding: Eisai. © 2011 Elsevier Ltd.

O'Shaughnessy J.,Baylor Charles mmons Cancer Center | Osborne C.,Baylor Charles mmons Cancer Center | Pippen J.E.,Baylor Charles mmons Cancer Center | Yoffe M.,U.S. Oncology | And 7 more authors.
New England Journal of Medicine | Year: 2011

BACKGROUND: Triple-negative breast cancers have inherent defects in DNA repair, making this cancer a rational target for therapy based on poly(adenosine diphosphate-ribose) polymerase (PARP) inhibition. METHODS: We conducted an open-label, phase 2 study to compare the efficacy and safety of gemcitabine and carboplatin with or without iniparib, a small molecule with PARP-inhibitory activity, in patients with metastatic triple-negative breast cancer. A total of 123 patients were randomly assigned to receive gemcitabine (1000 mg per square meter of body-surface area) and carboplatin (at a dose equivalent to an area under the concentration-time curve of 2) on days 1 and 8 - with or without iniparib (at a dose of 5.6 mg per kilogram of body weight) on days 1, 4, 8, and 11 - every 21 days. Primary end points were the rate of clinical benefit (i.e., the rate of objective response [complete or partial response] plus the rate of stable disease for ≥6 months) and safety. Additional end points included the rate of objective response, progression-free survival, and overall survival. RESULTS: The addition of iniparib to gemcitabine and carboplatin improved the rate of clinical benefit from 34% to 56% (P = 0.01) and the rate of overall response from 32% to 52% (P = 0.02). The addition of iniparib also prolonged the median progression-free survival from 3.6 months to 5.9 months (hazard ratio for progression, 0.59; P = 0.01) and the median overall survival from 7.7 months to 12.3 months (hazard ratio for death, 0.57; P = 0.01). The most frequent grade 3 or 4 adverse events in either treatment group included neutropenia, thrombocytopenia, anemia, fatigue or asthenia, leukopenia, and increased alanine aminotransferase level. No significant difference was seen between the two groups in the rate of adverse events. CONCLUSIONS: The addition of iniparib to chemotherapy improved the clinical benefit and survival of patients with metastatic triple-negative breast cancer without significantly increased toxic effects. On the basis of these results, a phase 3 trial adequately powered to evaluate overall survival and progression-free survival is being conducted. Copyright © 2011 Massachusetts Medical Society. All rights reserved.

Larkin J.,Royal Marsden Hospital | Chiarion-Sileni V.,Veneto Region Oncology Research Institute | Gonzalez R.,University of Colorado at Denver | Grob J.J.,Aix - Marseille University | And 31 more authors.
New England Journal of Medicine | Year: 2015

BACKGROUND Nivolumab (a programmed death 1 [PD-1] checkpoint inhibitor) and ipilimumab (a cytotoxic T-lymphocyte-associated antigen 4 [CTLA-4] checkpoint inhibitor) have been shown to have complementary activity in metastatic melanoma. In this randomized, double-blind, phase 3 study, nivolumab alone or nivolumab plus ipilimumab was compared with ipilimumab alone in patients with metastatic melanoma. METHODS We assigned, in a 1:1:1 ratio, 945 previously untreated patients with unresectable stage III or IV melanoma to nivolumab alone, nivolumab plus ipilimumab, or ipilimumab alone. Progression-free survival and overall survival were coprimary end points. Results regarding progression-free survival are presented here. RESULTS The median progression-free survival was 11.5 months (95% confidence interval [CI], 8.9 to 16.7) with nivolumab plus ipilimumab, as compared with 2.9 months (95% CI, 2.8 to 3.4) with ipilimumab (hazard ratio for death or disease progression, 0.42; 99.5% CI, 0.31 to 0.57; P<0.001), and 6.9 months (95% CI, 4.3 to 9.5) with nivolumab (hazard ratio for the comparison with ipilimumab, 0.57; 99.5% CI, 0.43 to 0.76; P<0.001). In patients with tumors positive for the PD-1 ligand (PD-L1), the median progression-free survival was 14.0 months in the nivolumab-plus-ipilimumab group and in the nivolumab group, but in patients with PD-L1-negative tumors, progression-free survival was longer with the combination therapy than with nivolumab alone (11.2 months [95% CI, 8.0 to not reached] vs. 5.3 months [95% CI, 2.8 to 7.1]). Treatment-related adverse events of grade 3 or 4 occurred in 16.3% of the patients in the nivolumab group, 55.0% of those in the nivolumab-plus-ipilimumab group, and 27.3% of those in the ipilimumab group. CONCLUSIONS Among previously untreated patients with metastatic melanoma, nivolumab alone or combined with ipilimumab resulted in significantly longer progression-free survival than ipilimumab alone. In patients with PD-L1-negative tumors, the combination of PD-1 and CTLA-4 blockade was more effective than either agent alone. (Funded by Bristol-Myers Squibb; CheckMate 067 number, NCT01844505.). Copyright © 2015 Massachusetts Medical Society.

Stone M.J.,Baylor Charles mmons Cancer Center | Bogen S.A.,Tufts Medical Center
Clinical Lymphoma, Myeloma and Leukemia | Year: 2013

Despite the absence of randomized trials, plasmapheresis has consistently demonstrated efficacy in treatment of Waldenström's macroglobulinemia (WM) patients with hyperviscosity syndrome (HVS). This procedure can promptly reverse most clinical manifestations of serum HVS. Early diagnosis is crucial and usually can be made from the funduscopic exam. Serial viscosity measurements can be monitored by the Ostwald tube method which is simple, reproducible, and for which there is substantial clinical correlation. The concept of a symptomatic threshold, whereby each WM patient has a distinct viscosity threshold for the development of HVS, seems valid. Maintaining serum viscosity below each patient's symptomatic threshold effectively prevents recurrent HVS. Plasmapheresis is sometimes necessary as an emergency procedure and is useful maintenance therapy in selected patients. Prophylactic plasmapheresis should be considered in patients at risk for HVS after rituximab therapy. Vigorous plasmapheresis in WM patients with syndromes because of autoreactive immunoglobulin M antibodies requires further study. © 2013 Elsevier Inc.

Delaloge S.,Institute Gustave Roussy | Wolp-Diniz R.,Institute Gustave Roussy | Byrski T.,Center of Oncology of Poland | Blum J.L.,Baylor Charles mmons Cancer Center | And 7 more authors.
Annals of Oncology | Year: 2014

Background: Breast cancer is a heterogeneous disease defined by both germline and somatic abnormalities. In preclinical models, tumors carrying homologous recombination defects are highly sensitive to trabectedin. This phase II trial evaluated the efficacy and safety of trabectedin in BRCA1/2 germline mutation carriers with pretreated metastatic breast cancer (MBC). Patients and methods: Trabectedin 1.3 mg/m2 as a 3-h i.v. infusion was administered every 3 weeks until progression or intolerance. The primary efficacy end point was the objective response rate (ORR) as per RECIST. Secondary efficacy end points comprised time-to-event end points, and changes in tumor volume and expression of tumor marker CA15.3. Safety was evaluated using the NCI-CTCAE. Results: Forty BRCA1/2 germline mutation carriers with MBC were included. Confirmed partial response (PR) occurred in 6 of 35 assessable patients [ORR = 17%; 95% confidence interval (CI) 7% to 34%] and lasted 1.4-6.8 months. Median PFS was 3.9 months (95% CI 1.6-5.5 months). Eight patients (21%) showed changes in tumor volume, and 14 (40%) a clinical benefit. Trabectedin-related adverse events were generally mild/moderate, the most common being fatigue, nausea, constipation and anorexia. Severe laboratory abnormalities (neutropenia, transaminase increases) were mostly transient and noncumulative, and were managed by dose adjustments. Conclusions: With the caveat of the limited patient number, trabectedin monotherapy showed activity and was well tolerated in heavily pretreated MBC patients selected for germline BRCA mutation. These results prompt further evaluation of trabectedin alone or combined with other specific drugs in this indication. © The Author 2014. Published by Oxford University Press on behalf of the European Society for Medical Oncology.

Loading Baylor Charles mmons Cancer Center collaborators
Loading Baylor Charles mmons Cancer Center collaborators