Can talking therapy boost recovery after stem cell transplants?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Patient Inclusion Criteria: * Ability of participant to understand this study, and participant willingness to sign a written informed consent. NOTE: Remote / electronic consent via REDCap consenting allowed per IRB policy and approval. * Stated willingness to comply with all study procedures and lifestyle considerations and availability for the duration of the study * Plan to undergo allogeneic HCT in approximately 30 days * Males and/or females age 18 - 80 years * Agreement to adhere to Lifestyle Considerations throughout study duration * Access to necessary resources for participating in a technology-based intervention (i.e., computer, smartphone, internet access). NOTE: A smartphone will be provided to participants if needed. * Able to read/write English or Spanish (as we lack trained ACT interventionists in other languages) Caregiver Inclusion Criteria: * Ability of participant to understand this study, and participant willingness to sign a written informed consent. NOTE: Remote / electronic consent via REDCap consenting allowed per IRB policy and approval. * Stated willingness to comply with all study procedures and lifestyle considerations and availability for the duration of the study * Males and/or females age 18-80 years * Agreement to adhere to Lifestyle Considerations throughout study duration * Access to necessary resources for participating in a technology-based intervention (i.e., computer, smartphone, internet access). NOTE: A smartphone will be provided to participants if needed. * Able to read/write English or Spanish (as we lack trained ACT interventionists in other languages) Patient Exclusion Criteria: * Caregiver unwilling to enroll (as standard of care, all HCT patients are required to have a caregiver, but caregivers may decline to participate in this study which would make the patient ineligible for this study) * Diagnosed with a psychiatric illness or is in a social situation that would limit compliance with study requirements * Concurrent participation in another behavioral intervention research study. * Activity restrictions that limit one's ability to engage in intense physical activity Caregiver Exclusion Criteria: * Patient unwilling to enroll * Diagnosed with a psychiatric illness or is in a social situation that would limit compliance with study requirements • Concurrent participation in another behavioral intervention research study. * Activity restrictions that limit one's ability to engage in intense physical activity