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Life sciences · Phase 1 Trial
ClinicalTrials.gov · September 18, 2026
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Phase 1 Trial.
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Registry record from ClinicalTrials.gov (NCT07828288). This is a study registration, not published results. Lead sponsor: Ponce Medical School Foundation, Inc.. Recruitment status: NOT_YET_RECRUITING. Phase: PHASE1. Study type: INTERVENTIONAL. Enrollment: 114 participants (ESTIMATED). Conditions: CASA Intervention, Usual Care. Interventions: BEHAVIORAL: The Caregivers-Patients Support to Cope with Advanced Cancer (CASA) is a five-session, manualized, meaning-centered psychotherapy developed for Puerto Rican patients and caregivers coping with advance; BEHAVIORAL: Control Condition. Includes CBT as the primary treatment approach for cancer patients and it is considered the usual care approach in these clinics, as well as one of the primar. Primary outcome measures: Patient Health Questionnaire depression scale (PHQ-8) , 5 minutes. Brief summary: Specific Aim 1: Determine the effect of CASA on psychological distress (primary outcome) and on neuroendocrine, inflammatory, and translational control measures (secondary and exploratory outcomes) in LSBC-PR patients and caregivers. We will conduct a two-arm randomized controlled trial of 70 patient caregiver dyads (35 per arm; N=140 individuals) comparing CASA to usual care, with assessments at baseline (T1) and post-intervention (T2, 5 to 10 weeks). This sample provides 80% power (a=0.05, two-tailed) to detect d=0.80 on the primary outcome, consistent with ORBIT Phase 3 signal confirmation. Psychological distress (Distress Thermometer) is the primary outcome and depressive symptoms (PHQ-8) the secondary psychosocial outcome; patients are the primary analytic unit, with caregivers analyzed in parallel. Plasma cortisol is the key secondary biological outcome; inflammatory cytokines (IL-6, TNF-a, IL-1B, IFN-v, IFN-a, IP-10, CRP) are secondary biological outcomes tested with Benjamin Hochberg FDR control; polysome profiling of PBMCs (with Dr. Dharmawardhane, UPR-MSC) is exploratory. Outcomes are tested hierarchically to control family-wise error. Recruitment, intervention delivery, and biospecimen collection will be conducted at the Puerto Rico Biobank (PRBB) under PMSF-PRI IRB oversight, leveraging Alliance partner collaboration (UPR-MSC and PMSF-PRI). Expected Outcome: CASA will produce greater reductions in psychological distress than usual care, with signals in cortisol and inflammatory cytokines that inform a fully powered R01 to confirm stress-biology mechanisms in LSBC-PR dyads. Specific Aim 2: Develop and validate a multilevel implementation strategy for CASA informed by implementation science determinants and stakeholder co-design. Using mixed methods, Consolidated Framework for Implementation Research (CFIR) guided semi-structured interviews (n=20) with oncology and clinic-based stakeholders will be supplemented by validated measures of acceptability, feasibility, and appropriateness. Determinants will be mapped to Expert Recommendations for Implementing Change (ERIC) strategies; co-design sessions will produce a context-specific implementation blueprint. Expected Outcome: A stakeholder-validated implementation strategy that identifies key determinants of CASA uptake and provides an actionable roadmap for scalable delivery across Puerto Rican oncology settings.