Digital Health Intervention for Self-Management and Telemonitoring in Chimeric Antigen Receptor (CAR-T) Therapy

Inclusion Criteria: Patient Inclusion Criteria Informed Consent and Willingness to Participate 1. Documented informed consent of the participant and/or legally authorized representative Age and Language Criteria 2. Age ≥ 18 years old at the time of enrollment 3. Ability to read and understand English or Spanish for Questionnaires Nature of Illness and Treatment Related Criteria 4. Relapsed or refractory hematologic malignancy 5. Scheduled to receive outpatient standard of care (SOC) CAR-T therapy 6. Has a FCG committed to living with the patient for the duration of the study Family Caregiver Inclusion Criteria Informed Consent and Willingness to Participate 1. Documented informed consent of the participant and/or legally authorized representative Age and Language Criteria 2. Age ≥ 18 years old at the time of enrollment 3. Ability to read and understand English or Spanish for Questionnaires Nature of Illness and Treatment Related Criteria 4. Family member or friend identified by the patient and defined as a person who knows the patient well and is involved in the patient's medical care Exclusion Criteria 1. An employee who is under the direct/indirect supervision of the PI/ a co-investigator/ the study manager 2. A direct study team member \-