Feasibility of SUPPORT-TBI

TBI Traumatic Brain Injury

Many people who have had a traumatic brain injury (TBI) struggle to stay connected with others. They often lose friendships, become isolated, and have strained family relationships. This lack of social support is linked to worse physical and mental health, lower quality of life, and even a shorter lifespan. The investigators developed a program where a person with TBI and one close supporter work together with a therapist over 12 weekly sessions. They learn skills in communication, setting shared goals, supporting each other emotionally, and problem-solving, with occasional guidance from a peer mentor who has been through a similar experience. This study will determine whether the program is practical to deliver. We are conducting a pilot study with 30 pairs of participants to test whether sessions run smoothly, whether people show up and stay engaged, and whether participants find the program worthwhile. Based on what they learn, the investigators will refine this program before testing it on a larger scale. If successful, this could lead to a practical, low-risk intervention that improves the lives of people with TBI and the family members and friends who support them.

People with traumatic brain injury (TBI) experience poor long-term health and daily life participation, yet current rehabilitation approaches fail to meaningfully improve these outcomes. Social support is closely associated with daily life participation and a range of physical and mental health outcomes. Further, it is an important protective factor against functional decline, chronic disease, mental illness, and early mortality. While social support is important for quality of life, few rehabilitation interventions leverage it as a mechanism for improving outcomes. People with TBI have particularly low social support. They experience shrinking social networks, loss of friendships, high rates of divorce, and reduced quality of family relationships. Yet, people with TBI value strong reciprocal relationships with one or two close family members as the key component of social support. This project will examine the feasibility of a novel dyadic intervention (SUPPORT-TBI) aimed at enhancing social support to promote greater participation and long-term health outcomes among people with TBI by improving the quality of a support relationship between the person with TBI and a close family member or friend. The goals of this intervention are to provide the dyad with strategies to sustain an effective support relationship. The investigators have designed SUPPORT-TBI to improve social support through five central intervention elements (1) communication strategies, (2) shared goals and activities, (3) psychosocial support, (4) peer mentorship, and (5) joint problem-solving. This intervention was developed based on a core elements review of existing social support intervention literature in other fields and populations and was guided by input from people with brain injury, their family members, brain injury rehabilitation providers, and brain injury intervention researchers. The investigators are currently refining it through a case series study. Though conceptually promising, evidence-based, and rooted in stakeholder priorities, our early pilot testing of this intervention has demonstrated that the proposed 12 weekly sessions is a burdensome time commitment and is difficult to schedule when involving the person with TBI, their support person, and peer mentors. These barriers, in addition to insurance barriers that limit coverage of outpatient and community-based rehabilitation services, suggest important implementation barriers that must be addressed as investigators refine this intervention protocol. To address this, investigators propose to optimize the intervention using the Multiphase Optimization Strategy (MOST). This framework will allow investigators to identify which intervention components, delivery structures, and dosages maximize efficiency without compromising intervention effects. In the proposed study, investigators will conduct the preparation phase of the MOST framework, which involves testing the feasibility of the proposed intervention elements to inform the design of a factorial, randomized optimization trial (MOST Phase 2). Investigators will conduct a feasibility study of the full protocol with 30 dyads, and examine participant satisfaction (HEAL Treatment Expectancy Short Form), engagement in intervention sessions(Pittsburgh Rehabilitation Participation Scale), and fidelity of delivery (study-specific fidelity checklist) of each intervention session. Then the investigators will select the combinations of conditions to be tested in the optimization phase by refining the delivery of each intervention element for feasibility and identifying the intervention elements, dosages, and delivery models likely to contribute to intervention effects while minimizing participant burden. This will enable the investigators to develop a thoughtful, comprehensive optimization study (MOST phase 2), and an eventual confirmation study to examine intervention effectiveness (MOST phase 3).

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