Efficacy of MBSR Treatment of Cognitive Impairment Among Breast Cancer Survivors

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

214 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-03-07

Study Completion Date

2020-07-31

Brief Summary

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The purpose of this study is to evaluate MBSR(BC), an intensive meditation-based stress reduction intervention, in order to determine its efficacy in improving cognitive functioning among breast cancer survivors. The study will employ a three group randomized design that will (1) evaluate the extent to which MBSR(BC) compared to the Breast Cancer-Education Support (BCES) program or Usual Care (UC) improves cognitive functioning among breast cancer survivors off treatment; (2) determine if improvements in cognitive functioning achieved from MBSR(BC) are mediated through increased mindfulness and decreased rumination and stress; (3) evaluate genetic variants as moderators of MBSR(BC) on improvements in CI; and (4) determine the impact of MBSR(BC) on healthcare utilization and costs, in addition it will be delivered to a sub-group in Spanish. If shown to be efficacious, the possibility exists of utilizing this intervention in other types of cancers as well as non-cancer health-related disorders in order to minimize the morbidity experienced by these populations.

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Detailed Description

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Due to improved detection and treatment, survival rates among breast cancer survivors have increased. However, breast cancer survivors may experience cognitive impairment (CI) following treatment, which has been reported by breast cancer survivors up to 10 years after chemotherapy (CT). There is limited evidence on whether stress-reducing interventions improve CI in breast cancer survivors. The primary goal of this application is to establish the Mindfulness-Based Stress Reduction for Breast Cancer (MBSR(BC)) program as an effective treatment for CI in breast cancer survivors. Specifically this study aim to (1) evaluate the extent to which MBSR(BC) compared to the Breast Cancer-Education Support (BCES) program or Usual Care (UC) improves cognitive functioning among breast cancer survivors off treatment; (2) determine if improvements in cognitive functioning achieved from MBSR(BC) are mediated through increased mindfulness and decreased rumination and stress; (3) evaluate genetic variants as moderators of MBSR(BC) on improvements in CI; and (4) determine the impact of MBSR(BC) on healthcare utilization and costs.

To achieve these aims, the research team will conduct a randomized controlled trial (RCT) among 300 breast cancer survivors (with an expected completed sample size of 250) with Stage I-III BC who have received adjuvant CT or CT and radiation. Within this RCT, MBSR(BC) will be delivered to a sub-population of Spanish speaking breast cancer survivors. Participants will be randomly assigned in a 1:1:1 ratio to 1 of 3 conditions (1) the 6-week MBSR(BC) program; (2) the 6-week BCES program; or (3) UC. However, once the UC condition has reached a total of 30 participants, then randomization at the baseline assessment will occur in a 1:1 ratio to 1 of 2 conditions: (1) MBSR(BC) and (2) BCES.

The BCES program will match the MBSR(BC) program for time and attention and parallel the group support component of MBSR(BC). Assessments will take place at baseline, 6 weeks,12 weeks and 6 months and include clinical history and demographic information, objective neuropsychological assessments, subjective cognitive and symptom measurements, cost utilization surveys, and either the blood or buccal (cheek) cells collection for genetic analyses.

This study is highly innovative to be the first randomized trial to: 1) evaluate the efficacy of MBSR(BC) among breast cancer survivors for objective neuropsychological and subjective improvements in cognitive functioning; 2) evaluate genetic profiles as moderators of MBSR(BC) on improving CI; 3) offer the MBSR trial in Spanish in addition to English for the purpose of improving cognition; and 4) determine the effect of MBSR(BC) on CT-induced CI among breast cancer survivors related to health service utilization costs.

MBSR(BC) provides training to promote stress reduction through self-regulation of attention and awareness to stressful events. The preliminary results show that MBSR(BC) improves subjective cognitive functioning. If MBSR(BC) is found to be effective, it will provide evidence of a viable non-pharmacological method for managing CI in breast cancer survivors. Additionally, the examination of the effects of the hypothesized mediators may yield new insights for tailoring MBSR(BC) and/or developing additional interventions to aid breast cancer survivors. The assessment of genetic polymorphisms to explore if risk alleles are associated with improvement in cognitive functioning may demonstrate that specific genetic profiles may modify improvements in CI for those receiving MBSR(BC). Finally, if MBSR(BC) is shown to be effective, this may significantly impact healthcare utilization and cost and produce necessary evidence for clinicians, researchers and policymakers.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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MBSR(BC) 6 Week Program

Participants who are randomized to MBSR(BC) program will receive of educational material; group practice of mindfulness meditation (MM) and homework assignments; and group processes related to the practice of MM and supportive group interaction. Participants who receive MBSR will receive training in (1) sitting meditation anchored to the breath; (2) body scan (observing body sensations from the toes to the head); (3) Gentle Yoga (postures and stretches that increase awareness and balance; and (4) walking meditation. Through this arm of the study the goal is to enhance executive cognition through training in self-regulation of attention and acceptance of experience.

Group Type EXPERIMENTAL

MBSR(BC) 6 Week Program

Intervention Type BEHAVIORAL

The MBSR(BC) is a clinical program that provides systematic training to promote stress reduction by self-regulating arousal to stress. The goal of training is to teach participants to become more aware of their thoughts and feelings, and through meditation practice, to have the ability to step back from thoughts and feelings during stressful situations that contribute to increased emotional distress. It incorporates simple yoga, sitting meditation, body scan, and walking meditation in this program. Classes for this intervention occur on a weekly basis for 2 hours for 6 weeks. The participants will be asked to record their informal/formal practices in a daily diary during the program and from 6 weeks to 6 months after the intervention.

BCES Education Support Program

Participants who are randomized to the BCES program will be scheduled for 6 weekly, 2-hour sessions. BCES compared to MBSR(BC) meets the following criteria: (1) professional contact and group support time matched equally to the MBSR(BC) program; and (2) the content or activities of the BCES program does not include meditation or attention, relaxation, yoga, body scan, or walking meditation. This program is as an active control condition that accounts for nonspecific effects related to attention from the leader and favorable outcome expectancy, the educational materials provided and supportive interaction between group members and is matched for homework activity time over the 6 months. This group will be offered the MBSR(BC) program within 4 to 6 months after study completion.

Group Type ACTIVE_COMPARATOR

BCES 6 Week Program

Intervention Type BEHAVIORAL

The BCES is an education support program. This 6-week program is based on the published NIH program, "Support for People with Cancer: Taking Time Education Support Group." In addition the class sessions consist of group discussion of educational materials and homework assignments; and group processes related to sharing supportive care situations. The participants will record their feelings, coping mechanisms, and questions related to survivorship in a daily diary during the program and from 6 weeks to 6 months after the intervention.

Usual Care

Participants who are randomized to the Usual Care (UC) or control group will continue to receive standard post-treatment medical and nursing clinic visits that will not be modified by study participation. The UC participants will participate in their standard care appointments and will not be required to alter their UC regimen; however, they will be asked not to initiate a mindfulness program during the study period. The UC group will be offered the MBSR(BC) program within 4 to 6 months after study completion.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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MBSR(BC) 6 Week Program

The MBSR(BC) is a clinical program that provides systematic training to promote stress reduction by self-regulating arousal to stress. The goal of training is to teach participants to become more aware of their thoughts and feelings, and through meditation practice, to have the ability to step back from thoughts and feelings during stressful situations that contribute to increased emotional distress. It incorporates simple yoga, sitting meditation, body scan, and walking meditation in this program. Classes for this intervention occur on a weekly basis for 2 hours for 6 weeks. The participants will be asked to record their informal/formal practices in a daily diary during the program and from 6 weeks to 6 months after the intervention.

Intervention Type BEHAVIORAL

BCES 6 Week Program

The BCES is an education support program. This 6-week program is based on the published NIH program, "Support for People with Cancer: Taking Time Education Support Group." In addition the class sessions consist of group discussion of educational materials and homework assignments; and group processes related to sharing supportive care situations. The participants will record their feelings, coping mechanisms, and questions related to survivorship in a daily diary during the program and from 6 weeks to 6 months after the intervention.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Women age 21 or older who have:

1. a diagnosis of stage I, II, or III breast cancer;
2. completed CT or CT and radiation and are within 5 years post-treatment;
3. BC patients with a previous history of another cancer who have NOT received any chemotherapy or chemotherapy and radiation, but have only received surgical treatments are eligible;
4. met the screening criteria for CI through a positive response to at least 1 of 2 scaled questions from the European Organization for Research and Treatment of Cancer Quality of Life questionnaire (EORTC-QLQ) i.e. Please rate on a scale from 0 to 10, the difficulty level you have in concentrating on things, like reading a newspaper or watching television? "0" means no difficulty and "10" means very difficult. Please rate on a scale from 0 to 10, the difficulty level you have in remembering things. "0" means no difficulty and "10" means very difficult, will be included.
5. Subjects must have the ability to read and speak English and Spanish at the 8th grade level or above, and survivors with mild depression, anxiety, or other psychiatric conditions will be eligible.

Exclusion Criteria

* Breast cancer survivors with a severe current psychiatric diagnosis (e.g. bipolar disorder)
* Stage 0 or Stage IV BC
* History of another primary cancer diagnosis, treated with adjuvant chemotherapy
* Previous chemotherapy
* Current diagnosed neurologic disorder
* Or a traumatic brain injury will be excluded

Minimum Eligible Age

21 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No