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Cancer ; 124(1): 36-45, 2018 Jan 01.
Artículo en Inglés | MEDLINE | ID: mdl-28940301


BACKGROUND: The current randomized trial examined the effects of a Tibetan yoga program (TYP) versus a stretching program (STP) and usual care (UC) on sleep and fatigue in women with breast cancer who were undergoing chemotherapy. METHODS: Women with stage (American Joint Committee on Cancer (AJCC) TNM) I to III breast cancer who were undergoing chemotherapy were randomized to TYP (74 women), STP (68 women), or UC (85 women). Participants in the TYP and STP groups participated in 4 sessions during chemotherapy, followed by 3 booster sessions over the subsequent 6 months, and were encouraged to practice at home. Self-report measures of sleep disturbances (Pittsburgh Sleep Quality Index), fatigue (Brief Fatigue Inventory), and actigraphy were collected at baseline; 1 week after treatment; and at 3, 6, and 12 months. RESULTS: There were no group differences noted in total sleep disturbances or fatigue levels over time. However, patients in the TYP group reported fewer daily disturbances 1 week after treatment compared with those in the STP (difference, -0.43; 95% confidence interval [95% CI], -0.82 to -0.04 [P = .03]) and UC (difference, -0.41; 95% CI, -0.77 to -0.05 [P = .02]) groups. Group differences at the other time points were maintained for TYP versus STP. Actigraphy data revealed greater minutes awake after sleep onset for patients in the STP group 1 week after treatment versus those in the TYP (difference, 15.36; 95% CI, 7.25-23.48 [P = .0003]) and UC (difference, 14.48; 95% CI, 7.09-21.87 [P = .0002]) groups. Patients in the TYP group who practiced at least 2 times a week during follow-up reported better Pittsburgh Sleep Quality Index and actigraphy outcomes at 3 months and 6 months after treatment compared with those who did not and better outcomes compared with those in the UC group. CONCLUSIONS: Participating in TYP during chemotherapy resulted in modest short-term benefits in sleep quality, with long-term benefits emerging over time for those who practiced TYP at least 2 times a week. Cancer 2018;124:36-45. © 2017 American Cancer Society.

Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Neoplasias de la Mama/rehabilitación , Fatiga/rehabilitación , Trastornos del Sueño-Vigilia/rehabilitación , Yoga , Actigrafía , Adulto , Antineoplásicos/efectos adversos , Antineoplásicos/uso terapéutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Neoplasias de la Mama/complicaciones , Neoplasias de la Mama/tratamiento farmacológico , Neoplasias de la Mama/patología , Quimioterapia Adyuvante , Ciclofosfamida/administración & dosificación , Docetaxel , Doxorrubicina/administración & dosificación , Epirrubicina/administración & dosificación , Fatiga/inducido químicamente , Fatiga/etiología , Femenino , Fluorouracilo/administración & dosificación , Humanos , Masculino , Persona de Mediana Edad , Ejercicios de Estiramiento Muscular , Terapia Neoadyuvante , Estadificación de Neoplasias , Sueño , Trastornos del Sueño-Vigilia/inducido químicamente , Trastornos del Sueño-Vigilia/etiología , Taxoides/uso terapéutico , Resultado del Tratamiento
Integr Cancer Ther ; 16(1): 3-20, 2017 03.
Artículo en Inglés | MEDLINE | ID: mdl-27903842


BACKGROUND: Although epidemiological research demonstrates that there is an association between lifestyle factors and risk of breast cancer recurrence, progression of disease, and mortality, no comprehensive lifestyle change clinical trials have been conducted to determine if changing multiple risk factors leads to changes in biobehavioral processes and clinical outcomes in women with breast cancer. This article describes the design, feasibility, adherence to the intervention and data collection, and patient experience of a comprehensive lifestyle change clinical trial (CompLife). METHODS: CompLife is a randomized, controlled trial of a multiple-behavior intervention focusing on diet, exercise, and mind-body practice along with behavioral counseling to support change. The initial exposure to the intervention takes place during the 4 to 6 weeks of radiotherapy (XRT) for women with stage III breast cancer and then across the subsequent 12 months. The intervention group will have 42 hours of in-person lifestyle counseling during XRT (7-10 hours a week) followed by up to 30 hours of counseling via video connection for the subsequent 12 months (weekly sessions for 6 months and then monthly for 6 months). The primary outcome is disease-free survival. Multiple secondary outcomes are being evaluated, including: (1) biological pathways; (2) overall survival; (3) patient-reported outcomes; (4) dietary patterns/fitness levels, anthropometrics, and body composition; and (5) economic outcomes. Qualitative data of the patient experience in the trial is collected from exit interviews, concluding remarks, direct email correspondences, and web postings from patients. RESULTS: Fifty-five patients have been recruited and randomized to the trial to date. Accrual of eligible patients is high (72%) and dropout rates extremely low (5%). Attendance to the in-person sessions is high (95% attending greater than 80% of sessions) as well as to the 30 hours of video counseling (88% attending more than 70% of sessions). Adherence to components of the behavior change intervention is high and compliance with the intensive amount of data collection is exceptional. Qualitative data collected from the participants reveals testimonials supporting the importance of the comprehensive nature of intervention, especially the mind-body/mindfulness component and social support, and meaningful lifestyle transformations. CONCLUSION: Conducting a comprehensive, multicomponent, lifestyle change clinical trial for women with breast was feasible and collection of biobehavioral outcomes successful. Adherence to behavior change was high and patient experience was overwhelmingly positive.

Neoplasias de la Mama/psicología , Consejo/métodos , Dieta/psicología , Supervivencia sin Enfermedad , Ejercicio Físico/psicología , Femenino , Humanos , Estilo de Vida , Persona de Mediana Edad , Recurrencia Local de Neoplasia/psicología , Cooperación del Paciente/psicología
Breast Cancer Res Treat ; 128(2): 421-7, 2011 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-21553292


A previous randomized trial (CALGB 9344/Intergroup 0148) compared four cycles of adjuvant doxorubicin/cyclophosphamide (AC) to four cycles of AC plus four cycles of paclitaxel (AC + T) and demonstrated that the addition of paclitaxel improved locoregional control (LRC) in patients with node-positive breast cancer. However, it could not be determined whether it was the paclitaxel or the increased duration of chemotherapy that led to this improvement. The present study aimed to analyze whether the addition of paclitaxel to a doxorubicin-based regimen improves LRC in a cohort of patients who all received eight total cycles of chemotherapy. Five hundred eleven women with operable breast cancer were randomized on a single-institution prospective trial to receive 5-fluorouracil, doxorubicin, cyclophosphamide (FAC) × 8 cycles (n = 252) or FAC × 4 cycles plus paclitaxel × 4 cycles (TFAC) (n = 259). Rates of LRC and overall survival (OS) were analyzed. Median follow-up was 124 months (range 5-167 months). The 10-year LRC rate was 92.6 versus 93.1% in the FAC versus TFAC arms, respectively (P = 0.26). The LRC between treatment arms did not differ when analyzed by locoregional treatment group: breast conservation therapy (BCT), mastectomy alone (M), and mastectomy + radiation (M + RT). The 10-year LRC rates were 95.1% (FAC) versus 91.2% (TFAC) after BCT (P = 0.98), 89.5% (FAC) versus 93.4% (TFAC) after M (P = 0.24), and 94.7% (FAC) versus 96.5% (TFAC) after M + RT (P = 0.59). Additionally, there was no difference in OS between the treatment arms, with 10-year OS rates of 78.4% (FAC) versus 81.7% (TFAC) (P = 0.93). The addition of paclitaxel to a doxorubicin-based regimen had no impact on LRC, regardless of the type of local therapy received. Historically inferior LRC with AC chemotherapy alone versus AC + T may have been due to an inadequate duration of systemic therapy and not due to the absence of paclitaxel.

Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Neoplasias de la Mama/tratamiento farmacológico , Adulto , Anciano , Anciano de 80 o más Años , Neoplasias de la Mama/patología , Neoplasias de la Mama/cirugía , Ciclofosfamida/administración & dosificación , Doxorrubicina/administración & dosificación , Femenino , Fluorouracilo/administración & dosificación , Estudios de Seguimiento , Humanos , Mastectomía , Persona de Mediana Edad , Paclitaxel/administración & dosificación , Estudios Prospectivos , Tasa de Supervivencia , Resultado del Tratamiento , Adulto Joven
J Soc Integr Oncol ; 8(2): 43-55, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20388445


This study examined the effects of yoga on quality of life (QOL) and psychosocial outcomes in women with breast cancer undergoing radiotherapy. Sixty-one women were randomly assigned to either a yoga or a wait-list group. Yoga classes were taught biweekly during the 6 weeks of radiotherapy. Participants completed measures of QOL, fatigue, benefit finding (finding meaning in the cancer experience), intrusive thoughts, sleep disturbances, depressive symptoms, and anxiety before radiotherapy and then again 1 week, 1 month, and 3 months after the end of radiotherapy. General linear model analyses revealed that compared to the control group, the yoga group reported significantly better general health perception (p = .005) and physical functioning scores (p = .04) 1 week postradiotherapy; higher levels of intrusive thoughts 1 month postradiotherapy (p = .01); and greater benefit finding 3 months postradiotherapy (p = .01). There were no other group differences in other QOL subscales for fatigue, depression, or sleep scores. Exploratory analyses indicated that intrusive thoughts 1 month after radiotherapy were significantly positively correlated with benefit finding 3 months after radiotherapy (r = .36, p = .011). Our results indicated that the yoga program was associated with statistically and clinically significant improvements in aspects of QOL.

Calidad de Vida , Yoga , Neoplasias de la Mama/psicología , Depresión , Fatiga , Femenino , Humanos
J Natl Cancer Inst ; 96(22): 1676-81, 2004 Nov 17.
Artículo en Inglés | MEDLINE | ID: mdl-15547180


BACKGROUND: Taxane-based chemotherapy has been associated with an increased risk of radiation pneumonitis in patients with breast cancer. To obtain additional information about this association, we investigated the association between paclitaxel chemotherapy and radiation pneumonitis in patients participating in a phase III randomized study. METHODS: Five hundred and twenty-four breast cancer patients were prospectively and randomly assigned to receive either four cycles of paclitaxel followed by four cycles of 5-fluorouracil, doxorubicin, cyclophosphamide (FAC) or eight cycles of FAC. One hundred and eighty-nine of these patients (100 in the paclitaxel-FAC group and 89 in the FAC group) subsequently underwent radiation therapy in our institution and had medical records available to review for pulmonary symptoms. In addition, a radiologist who was unaware of the type of treatment scored chest x-ray changes after radiation treatment. Crude rates of radiation pneumonitis were compared with chi-square or Fisher's exact test, and actuarial rates were assessed with Kaplan-Meier and log-rank tests. All statistical tests were two-sided. RESULTS: No difference in the rate of clinically relevant radiation pneumonitis was observed between the two groups (5.0% in the paclitaxel-FAC group versus 4.5% in the FAC group; difference = 0.5%, 95% CI = -6.6% to 5.5%; P = 1.00). Oral steroids for pneumonitis were taken by two patients in the paclitaxel-FAC group but by none in the FAC group, and no patient was hospitalized for or died of radiation pneumonitis. The paclitaxel-FAC group (39.3%) had a higher rate of radiographic changes after irradiation than the FAC group (23.7%; difference = 15.6%, 95% CI = -0.11% to 28.8%; P = .034). CONCLUSION: Patients with breast cancer treated with sequential paclitaxel, FAC, and radiation therapy appeared to have a very low rate of clinically relevant radiation pneumonitis that was no different from that of patients treated with FAC alone.

Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Neoplasias de la Mama/tratamiento farmacológico , Neoplasias de la Mama/radioterapia , Paclitaxel/efectos adversos , Neumonía/etiología , Adulto , Anciano , Protocolos de Quimioterapia Combinada Antineoplásica/administración & dosificación , Quimioterapia Adyuvante/efectos adversos , Ciclofosfamida/efectos adversos , Doxorrubicina/efectos adversos , Esquema de Medicación , Femenino , Fluorouracilo/efectos adversos , Humanos , Persona de Mediana Edad , Paclitaxel/administración & dosificación , Neumonía/inducido químicamente , Estudios Prospectivos , Dosis de Radiación , Radioterapia Adyuvante/efectos adversos