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1.
Clin. transl. oncol. (Print) ; 16(3): 273-279, mar. 2014.
Article in English | IBECS | ID: ibc-127734

ABSTRACT

PURPOSE: The standard adjuvant treatment for glioblastoma is temozolomide concomitant with radiotherapy, followed by a further six cycles of temozolomide. However, due to the lack of empirical evidence and international consensus regarding the optimal duration of temozolomide treatment, it is often extended to 12 or more cycles, even in the absence of residual disease. No clinical trial has shown clear evidence of clinical benefit of this extended treatment. We have explored the economic impact of this practice in Spain. MATERIALS AND METHODS: Spanish neuro-oncologists completed a questionnaire on the clinical management of glioblastomas in their centers. Based on their responses and on available clinical and demographic data, we estimated the number of patients who receive more than six cycles of temozolomide and calculated the cost of this extended treatment. RESULTS: Temozolomide treatment is continued for more than six cycles by 80.5 % of neuro-oncologists: 44.4 % only if there is residual disease; 27.8 % for 12 cycles even in the absence of residual disease; and 8.3 % until progression. Thus, 292 patients annually will continue treatment beyond six cycles in spite of a lack of clear evidence of clinical benefit. Temozolomide is covered by the National Health Insurance System, and the additional economic burden to society of this extended treatment is nearly 1.5 million euros a year. CONCLUSIONS: The optimal duration of adjuvant temozolomide treatment merits investigation in a clinical trial due to the economic consequences of prolonged treatment without evidence of greater patient benefit (AU)


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Subject(s)
Humans , Antineoplastic Agents, Alkylating/administration & dosage , Brain Neoplasms/drug therapy , Dacarbazine/analogs & derivatives , Glioblastoma/drug therapy , Antineoplastic Agents, Alkylating/economics , Brain Neoplasms/economics , Chemotherapy, Adjuvant/economics , Chemotherapy, Adjuvant/methods , Dacarbazine/administration & dosage , Dacarbazine/economics , Glioblastoma/economics , Practice Patterns, Physicians' , Surveys and Questionnaires , Spain
2.
Rev. esp. cir. ortop. traumatol. (Ed. impr.) ; 52(6): 359-365, nov. 2008. tab
Article in Es | IBECS | ID: ibc-69365

ABSTRACT

Objetivo. El objetivo de este trabajo es hacer una revisión sobre el síndrome del músculo piramidal, su diagnóstico y sus opciones terapéuticas, pues se trata de una patología infradiagnosticadaaunque relativamente frecuente.Material y método. Se realizó un estudio prospectivo de 14 casos, tratados entre enero de 2002 y diciembre de 2004, basándonos en una serie de criterios diagnósticos preestablecidos y tratados según una pauta terapéutica consensuada previamente.Resultados. Durante el seguimiento de los pacientes se obtuvo una mejoría del 100% de los casos. Con terapia física mejoró el 64% (9/14) y el resto requirió un tratamiento más agresivo con infiltraciones de corticoides/ozono; un paciente fue tratado con magnetoterapia. No fue necesario realizar cirugía descompresiva.Conclusiones. El síndrome del músculo piramidal puede serdiagnosticado con una correcta anamnesis y una completaexploración física. La mayoría de los pacientes responde al tratamiento conservador o a las infiltraciones, siendo raras las ocasiones en que es necesario recurrir a la cirugía


Purpose. The purpose of this study is to review the state of the art on the piriformis muscle syndrome, its diagnosis and therapeutic options since it is a relatively usual condition that often goes undiagnosed.Materials and methods. A prospective study was performedof 14 cases, treated between January 2002 and December2004. Patients were managed on the basis of a series of preestablished criteria and a previously-agreed on therapeutic protocol.Results. During follow-up 100% of cases showed an improvement. With physical therapy 64% of patients improved (9/14), with the remainder requiring a more aggressive kind of treatment with corticoid/ozone infiltrations. One patient was treated with magnetotherapy. Decompressive surgery was not necessary.Conclusions. Piriformis muscle syndrome can be diagnosedon the basis of a careful anamnesis and a thorough physical examination. The majority of patients respond to conservative treatment or to infiltrations, with surgery being necessary only on rare occasions (AU)


Subject(s)
Humans , Pyramidal Tracts/physiopathology , Back Pain/diagnosis , Prospective Studies , Adrenal Cortex Hormones/administration & dosage , Back Pain/drug therapy
3.
Oncología (Barc.) ; 25(10): 472-476, oct. 2002. tab, graf
Article in Es | IBECS | ID: ibc-19732

ABSTRACT

Propósito: Descripción de un caso atípico de curación aparente de carcinoma de ovario metastático después de fracaso a la quimioterapia convencional. Material y métodos: Se investiga un caso de carcinoma de ovario libre de enfermedad más de doce años después del diagnóstico inicial y once años después de cirugía por enfermedad metastática. Resultados: La utilización crónica de altas dosis de amiloride como medida terapéutica parece haber contribuido significativamente en la evolución positiva del marcador CA-125 así como en la aparente curación de esta paciente. Conclusiones: Se discute si, tal como se ha propuesto con anterioridad, y este caso parece corroborar, el tratamiento adyuvante y/o neoadyuvante con inhibidores del antiportador Na+-H+ en ciertos casos de cáncer pueda influenciar significativamente de forma positiva la evolución clínica y el proceso metastático. (AU)


Subject(s)
Adult , Female , Humans , Sodium-Hydrogen Exchangers/therapeutic use , Adenocarcinoma/drug therapy , Neovascularization, Pathologic/drug therapy , Ovarian Neoplasms/drug therapy , Follow-Up Studies , Treatment Outcome , Neoplasm Metastasis/drug therapy
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