PTSD Mobile App for Cancer Survivors

Using a SMART Design to Optimize PTSD Symptom Management Strategies Among Cancer Survivors

The purpose of this study is to use a stepped-care approach in treating symptoms of posttraumatic stress disorder (PTSD). The information learned by doing this study may help us to develop some target treatments for PTSD symptoms in survivors of stem cell transplant.

Participants in this study will be randomized to a mobile app or usual care. An assessment will be made after 4 weeks and a determination made of adding more intensive treatment. Participants will be asked to complete a questionnaire 4 times over a period of 6 months, at the time your participation is complete.

Inclusion Criteria:

• Completion of autologous or allogeneic HCT 1-5 years previously
• Partial or complete remission (NED), may be receiving chemoprevention
• Absence of severe psychological impairment (eg hospitalization for suicidality)
• Approved for contact by oncologist
• Able and willing to participate in a one-hour baseline interview
• No prior CBT for PTSD
• Owns a smart device with internet and email access
• Able to read and write English
• Significant PTSD symptoms as indicated by at least one of the following two criteria: probable cancer-related PTSD on the PCL5 by using the symptom cluster criteria; subthreshold or partial PTSD symptoms as determined by endorsement of reexperiencing cluster and less than or equal to 1 other symptom cluster

Exclusion Criteria:

• If the participant does not fulfill the inclusion criteria