Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 5 de 5
Filtrar
1.
Br J Cancer ; 130(3): 467-475, 2024 02.
Artículo en Inglés | MEDLINE | ID: mdl-38129525

RESUMEN

BACKGROUND: Berzosertib (M6620) is a highly potent (IC50 = 19 nM) and selective, first-in-class ataxia telangiectasia-mutated and Rad3-related protein kinase (ATR) inhibitor. This trial assessed the safety, preliminary efficacy, and tolerance of berzosertib in oesophageal cancer (A1 cohort) with RT and advanced solid tumours (A2 cohort) with cisplatin and capecitabine. METHODS: Single-arm, open-label dose-escalation (Time-to-Event Continual Reassessment Method) trial with 16 patients in A1 and 18 in A2. A1 tested six dose levels of berzosertib with RT (35 Gy over 15 fractions in 3 weeks). RESULTS: No dose-limiting toxicities (DLTs) in A1. Eight grade 3 treatment-related AEs occurred in five patients, with rash being the most common. The highest dose (240 mg/m2) was determined as the recommended phase II dose (RP2D) for A1. Seven DLTs in two patients in A2. The RP2D of berzosertib was 140 mg/m2 once weekly. The most common grade ≥3 treatment-related AEs were neutropenia and thrombocytopenia. No treatment-related deaths were reported. CONCLUSIONS: Berzosertib combined with RT is feasible and well tolerated in oesophageal cancer patients at high palliative doses. Berzosertib with cisplatin and capecitabine was well tolerated in advanced cancer. Further investigation is warranted in a phase 2 setting. CLINICAL TRIALS IDENTIFIER: EU Clinical Trials Register (EudraCT) - 2015-003965-27 ClinicalTrials.gov - NCT03641547.


Asunto(s)
Neoplasias Esofágicas , Isoxazoles , Pirazinas , Humanos , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Capecitabina/uso terapéutico , Quimioradioterapia , Cisplatino/uso terapéutico , Neoplasias Esofágicas/tratamiento farmacológico , Neoplasias Esofágicas/radioterapia , Isoxazoles/uso terapéutico , Dosis Máxima Tolerada , Pirazinas/uso terapéutico
2.
J Bone Oncol ; 29: 100375, 2021 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-34131559

RESUMEN

Optimum management of patients with cancer during the COVID-19 pandemic has proved extremely challenging. Patients, clinicians and hospital authorities have had to balance the risks to patients of attending hospital, many of whom are especially vulnerable, with the risks of delaying or modifying cancer treatment. Those whose care has been significantly impacted include patients suffering from the effects of cancer on bone, where delivering the usual standard of care for bone support has often not been possible and clinicians have been forced to seek alternative options for adequate management. At a virtual meeting of the Cancer and Bone Society in July 2020, an expert group shared experiences and solutions to this challenge, following which a questionnaire was sent internationally to the symposium's participants, to explore the issues faced and solutions offered. 70 respondents, from 9 countries (majority USA, 39%, followed by UK, 19%) included 50 clinicians, spread across a diverse range of specialties (but with a high proportion, 64%, of medical oncologists) and 20 who classified themselves as non-clinical (solely lab-based). Spread of clinician specialty across tumour types was breast (65%), prostate (27%), followed by renal, myeloma and melanoma. Analysis showed that management of metastatic bone disease in all solid tumour types and myeloma, adjuvant bisphosphonate breast cancer therapy and cancer treatment induced bone loss, was substantially impacted. Respondents reported delays to routine CT scans (58%), standard bone scans (48%) and MRI scans (46%), though emergency scans were less affected. Delays in palliative radiotherapy for bone pain were reported by 31% of respondents with treatments often involving only a single dose without fractionation. Delays to, or cancellation of, prophylactic surgery for bone pain were reported by 35% of respondents. Access to treatments with intravenous bisphosphonates and subcutaneous denosumab was a major problem, mitigated by provision of drug administration at home or in a local clinic, reduced frequency of administration or switching to oral bisphosphonates taken at home. The questionnaire also revealed damaging delays or complete stopping of both clinical and laboratory research. In addition to an analysis of the questionnaire, this paper presents a rationale and recommendations for adaptation of the normal guidelines for protection of bone health during the pandemic.

3.
Am J Psychiatry ; 158(9): 1521-4, 2001 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-11532745

RESUMEN

OBJECTIVE: It is established that patients with bipolar disorder have an excess of births in winter or early spring. The authors investigated a link between season of birth and white matter lesions with magnetic resonance imaging (MRI). METHOD: T(2)-weighted and proton density MRI scans were examined for 79 patients with bipolar disorder (DSM-IV) for the presence of deep subcortical and periventricular white matter lesions. The birth seasons of patients with white matter lesions were compared with those of the general population. RESULTS: Thirteen subjects exhibited deep subcortical white matter lesions, of whom nine (69.2%) were born in the winter months (January to March). Seven of these patients remained symptomatic, despite adequate treatment for more than 2 years. CONCLUSIONS: Birth season, illness outcome, and deep subcortical white matter lesions appear to be closely linked. Deep subcortical white matter lesions may be a marker of a toxic or infective insult in utero.


Asunto(s)
Trastorno Bipolar/diagnóstico , Encéfalo/patología , Imagen por Resonancia Magnética/estadística & datos numéricos , Adulto , Biomarcadores , Trastorno Bipolar/epidemiología , Trastorno Bipolar/patología , Tasa de Natalidad , Estudios de Cohortes , Femenino , Enfermedades Fetales/diagnóstico , Enfermedades Fetales/epidemiología , Humanos , Masculino , Embarazo , Escalas de Valoración Psiquiátrica/estadística & datos numéricos , Estaciones del Año , Reino Unido/epidemiología
4.
Bipolar Disord ; 3(2): 79-87, 2001 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-11333067

RESUMEN

OBJECTIVES: EEG abnormalities and neurocognitive deficits have been reported in patients with bipolar affective disorder. The aim of this study was to ascertain whether brain function remains impaired in young bipolar patients who have become euthymic in response to treatment. METHODS: Brain function was assessed by quantitative electroencephalographic (EEG) power-spectral mapping and by a battery of neuropsychological tests. The subjects were 29 euthymic bipolar patients aged 18-40 years and 26 healthy volunteers of similar age, IQ and socioeconomic status. RESULTS: Grand means of spectral power of the resting EEG showed significantly (from p < 0.01 to p < 0.0001) greater power in all wave bands (delta, theta, alpha and beta) in patients compared with controls. The most marked increases were in right temporal theta and left occipital beta power (with eyes open) encompassing brain areas concerned in visuospatial processing. Neurocognitive performance was significantly impaired in the patients compared with controls in a range of visuospatial tasks. CONCLUSIONS: The findings show significant disturbance of EEG activity and deficits in visuospatial processing in young bipolar patients despite clinical euthymia. The abnormalities were not related to age of onset or duration of illness and do not appear to be attributable to medication. The cognitive impairments were associated with the number of previous affective episodes.


Asunto(s)
Trastorno Bipolar/complicaciones , Trastornos del Conocimiento/diagnóstico , Trastornos del Conocimiento/etiología , Trastorno Distímico/psicología , Adolescente , Adulto , Anticonvulsivantes/uso terapéutico , Antidepresivos/uso terapéutico , Antipsicóticos/uso terapéutico , Trastorno Bipolar/tratamiento farmacológico , Trastorno Bipolar/fisiopatología , Encéfalo/fisiopatología , Trastorno Distímico/complicaciones , Electroencefalografía , Femenino , Humanos , Masculino , Pruebas Neuropsicológicas , Trastornos de la Percepción/diagnóstico , Trastornos de la Percepción/etiología , Índice de Severidad de la Enfermedad , Percepción Visual/fisiología
5.
Compr Psychiatry ; 32(4): 317-9, 1991.
Artículo en Inglés | MEDLINE | ID: mdl-1935020

RESUMEN

A second case of anorexia nervosa associated with Klinefelter's syndrome is described. Gender identity problems were thought to have been significant in this adolescent.


Asunto(s)
Anorexia Nerviosa/genética , Anorexia Nerviosa/psicología , Síndrome de Klinefelter/genética , Síndrome de Klinefelter/psicología , Adolescente , Anorexia Nerviosa/diagnóstico , Imagen Corporal , Femenino , Identidad de Género , Hospitalización , Humanos , Cariotipificación , Síndrome de Klinefelter/diagnóstico , Escalas de Valoración Psiquiátrica
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA
...