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The present study sought to investigate the efficacy of two psychosocial interventions for breast cancer patients, a peer support intervention and an education intervention. The present study also sought to identify mechanisms underlying the benefits of these interventions, and to determine if the efficacy of these interventions is moderated by cancer severity.
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BACKGROUND:
The study was a subproject within a Mind-Body Center on Understanding Shared Psychobiological Pathways. The Center was in response to a Request for Applications issued by the Office of the Director, NIH. Dr. Scheier was the Co-Director of the Center as well as the subproject principal investigator. The major objective of the Center was to to identify, measure, and understand the shared psychological, behavioral, and psychobiological pathways that contributed to the onset of and recovery from diverse physical illnesses, which included infections, arthritis, cancer, and cardiovascular disease.
The subproject studied an important area of psychosocial research in cancer, specially the relative effectiveness of different psychosocial interventions for women with breast cancer, and the mechanisms that underlie the benefits of these interventions.
DESIGN NARRATIVE:
The specific aims of the project were to:
Participants included 180 patients with early stage (I or II) and 65 patients with late stage (IV) breast cancer. The interventions were conducted in groups of 6-9 women, and groups met once a week for 8 weeks. The education group meetings focused on providing patients with information about their disease as well as methods to manage their illness and its side effects. Facilitators emphasized the theme of perceived control during all sessions, discussing how participants are in control of their illness experience and can have more control of their lives. The peer support group meetings focused on fostering purpose in life by providing participants with opportunities to support and care for one another. Participants were asked to share experiences and problems in group meetings and the group facilitator encouraged participants to help one another with these issues, and share how they had dealt with similar problems. Participants in the control condition received care as usual, and did not attend any group meetings.
Hypothesized predictors, mediators, and relevant outcome measures were assessed prior to the intervention. Mediators and outcomes were then reassessed, 2-weeks after intervention completion and 6-months later.
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245 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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