Stardust Field Notes • Vol. 28
When someone is navigating cancer treatment, sleep, appetite, pain and everyday quality of life matter. Two peer-reviewed surveys from Kentucky and Pennsylvania asked patients directly about their experiences using cannabis. Their answers offer a window into the symptoms patients prioritize and the changes they perceive.
Research at a glance: The Kentucky study surveyed 237 radiation oncology patients, including 35 recent post-diagnosis cannabis users. A separate Penn State Cancer Institute survey included 186 patients; 26.1% reported cannabis use since diagnosis. Percentages describing improvements refer to relevant cannabis-user respondents, not every person surveyed.
1. University of Kentucky: what patients said improved
Published September 22, 2026 in The Oncologist, the University of Kentucky study examined cannabis-use patterns among adults receiving radiation therapy at urban and rural oncology practices. Researchers asked about symptoms, quality of life and cannabis use before and after diagnosis.
Of the 35 patients reporting recent cannabis use after diagnosis, 28 (80%) said their main symptom improved at least a little. Pain was the most frequently identified main symptom, followed by nausea, anxiety and depression. Another 7 (20%) reported no change in that primary symptom.
2. Quality of life: 31 of 35 reported improvement
When researchers asked about overall quality of life, 31 of 35 (88.6%, approximately 89%) recent cannabis users reported at least some improvement; four reported no change. That broader perspective captures more than one symptom at a time: it reflects how patients perceived their day-to-day lives.
Looking at the complete response distribution matters. The 80% and 20% figures describe different responses to the same symptom question within the 35-person recent-user group—not percentages of all 237 surveyed patients.
3. Penn State: sleep, appetite and joint pain
A second study, published October 9, 2026 in Supportive Care in Cancer, surveyed 186 cancer patients and survivors at Penn State Cancer Institute. Of the full group, 26.1% reported using cannabis since diagnosis.
Among cannabis users answering the relevant symptom questions, reported improvement included insomnia (89.7%), appetite (85.7%), joint pain or stiffness (83.3%), mood (approximately 83.7%), stress/anxiety/depression (81.6%), and cancer-related pain (80.7%). The rounded carousel figures—90%, 86% and 83%—reflect those published findings.
4. Medication choices: what respondents reported
In the Penn State survey, 30.1% of respondents answering the relevant follow-up questions said they used cannabis instead of opioids to manage pain. Another 32.0% reported that cannabis helped them reduce or stop other medications. These figures describe reported medication-use choices, not changes directed by the researchers.
5. Patients and clinical education
Patients are already bringing cannabis into conversations about cancer-related symptom management. Their firsthand observations—what improved, what did not, and which symptoms affected daily life most—are valuable questions for researchers and clinicians to explore together. Clinical education becomes more useful when it takes those patient priorities seriously.
6. Why patient-reported outcomes deserve attention
Sleep, appetite, pain, mood and quality of life are meaningful outcomes because they describe how treatment is experienced outside the clinic. Surveys like these collect observations directly from the people living with cancer and can help guide better questions for future research.
The bottom line
Across two independently conducted surveys, some patients who used cannabis after a cancer diagnosis reported improvements in symptoms and quality of life. The Pennsylvania study also documented patient-reported changes in opioid and other medication use. The most important contribution is a clearer picture of what patients themselves identify as meaningful.
Research desk: original publications
University of Kentucky: Amoah E. et al. “Cannabis assessment in oncology patients—evaluation survey: understanding usage patterns in a rural radiation cohort in Kentucky.” The Oncologist (2026). Read the original paper.
Penn State Cancer Institute: Ireland J. et al. “Cannabis use and perceptions among rural and urban cancer patients and survivors from a Pennsylvania cancer center.” Supportive Care in Cancer (2026). Read the original paper.
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Explore more cannabinoid research, the endocannabinoid system, and practical science education through Mandi Cruz Media. Follow @mandicruzmedia for new Stardust Field Notes and patient-centered educational content.
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