Research Highlights: April 2026
Compiled by the SIO Research Committee · April 2026
Each month, the SIO Research Committee reviews recently published integrative oncology literature and shares highlights with the broader membership.
What About the Caregivers? Music Medicine as a Tool for Improving Psychological Wellbeing Among Caregivers During Cancer Chemotherapy Treatment
JCO Oncology Practice, 2026 March· Reviewed by Ana Maria Lopez
Study type
Multi-site randomized controlled trial (227 participants, block randomization by day). Patient-caregiver dyads enrolled during outpatient chemotherapy infusions lasting ≥60 minutes. Single-center; 60-minute self-selected music medicine session via iPod vs. standard care control.
Background
Caregivers of cancer patients experience significant psychological burden, yet most integrative oncology interventions target patients. Music medicine — passive listening to self-selected music facilitated by a health professional — is distinct from music therapy (individualized sessions with a certified therapist) and has demonstrated mood and distress benefits in patients. This study is among the first to test it in caregivers.
Key results
- Caregivers: There were significant changes in caregiver self-reported positive mood and distress from pre-intervention to post-intervention between the music and control groups. Caregivers: no significant reduction in negative mood (unlike the patient arm, where negative mood also improved).
- Dyadic analysis: caregivers and patients who listened to self-selected music at the same time showed only actor effects of the intervention.
- Exploratory finding: differential effect on negative mood in African American participants and those with baseline anxiety/depression — numbers small, warrants follow-up.
Strengths & caveats
- Strength: Addresses a data-sparse population — caregiver-focused RCTs in integrative oncology are rare.
- Strength: Novel dyadic analysis design; builds on the same group’s prior patient-focused work.
- Strength: Low-cost, easily scalable, no clinician-administered component required.
- Caveat: Not blinded (inherent to music interventions); block randomization by day may introduce site-level confounds.
- Caveat: Single 60-minute session only — no longitudinal follow-up; optimal dose unknown.
- Caveat: Individual (not shared) music selection may explain the absence of dyadic mood transfer; a future trial pairing dyads on music choice could test this hypothesis.
Bottom line: Well-designed proof-of-concept supporting music medicine as a caregiver-targeted adjunct during infusion. Future work should examine shared dyadic listening, repeated sessions, and longer-term mood outcomes.
Preoperative Hypnosis versus Mindfulness for Reducing Postoperative Symptoms in Breast Surgery: A Randomized Trial
Anesthesiology, 2026 March · Reviewed by Dave James
Study type
Two-arm RCT (203 participants). Women undergoing breast cancer surgery randomized to a single 15-minute live hypnosis session vs. a 15-minute pre-recorded mindfulness audio intervention, both administered 2 hours before surgery.
Background
Current ASCO/SIO guidelines support hypnosis for preoperative anxiety and pain, but evidence for surgical (intraoperative/postoperative) pain has been inconsistent. This trial tests a brief, pragmatic hypnosis protocol against an active comparator in a large surgical oncology sample.
Key results
- Hypnosis significantly reduced post-operative fatigue and emotional distress vs. mindfulness (moderate effect size).
- Hypnosis reduced intraoperative fentanyl use — a clinically meaningful opioid-sparing effect.
- No significant difference between arms for post-operative pain, nausea, or discomfort.
Strengths & caveats
- Strength: Large, well-powered RCT with active (not usual-care) comparator; published in a high-impact anesthesiology journal, signaling mainstream recognition.
- Strength: Pragmatic design — 15-minute intervention is feasible in standard preoperative workflows.
- Strength: Opioid-sparing finding has immediate clinical relevance in the context of perioperative opioid stewardship.
- Caveat: Delivery imbalance — hypnosis was live (therapist-administered) while mindfulness was pre-recorded audio. This may introduce expectancy bias favoring hypnosis.
- Caveat: Does not address whether repeated sessions or longer protocols would extend benefits to pain outcomes.
Clinical takeaways
- Target high-anxiety patients: brief, well-timed (2 hours pre-surgery) hypnosis sessions are feasible and effective.
- Frame hypnosis as adjunct for symptom burden and opioid reduction — not as a primary analgesic.
- Both in-person and digital delivery tools (including those developed by the International Oncology Working Group) exist to improve access.
Bottom line: Practice-informing evidence that strengthens the case for incorporating brief preoperative hypnosis into perioperative oncology care, particularly for fatigue, emotional distress, and opioid reduction. A standardized delivery protocol and a pain-powered trial are logical next steps.
A Note on Our Review Process
The SIO Research Committee identifies new RCTs and high-impact observational studies in integrative oncology each month via a systematic PubMed search. From the resulting digest (15 articles this month), members vote on articles to highlight. Two members volunteer as reviewers each month and prepare structured summaries covering study design, key results, strengths, and caveats. We aim to share work that is methodologically sound and clinically meaningful — and to provide honest context when promising findings require further validation. We welcome article nominations from members for future monthly reviews.
References
- Harper FWK, Moore TF, Heath AS, Kim S, Heath EI.What about the caregivers? Music medicine as a tool for improving psychological wellbeing among caregivers during cancer chemotherapy treatment. JCO Oncology Practice. 2026 Mar;22(3):434-444. doi: 10.1200/OP-24-00818.
- Reme SE, Munk A, Montgomery GH, Schnur JB, Falk R, Smits M, Jacobsen HB. Preoperative Hypnosis versus Mindfulness for Reducing Postoperative Symptoms in Breast Surgery: A Randomized Clinical Trial. Anesthesiology. 2026 Mar 1;144(3):559-569. doi: 10.1097/ALN.0000000000005821.

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