Background: Outpatient palliative care in supportive oncology clinics (SOC) is growing and has shown promise in controlling symptoms. We sought toinvestigate the impact on symptom burden of a SOC in a National Cancer Institute-designated Comprehensive Cancer Center. Methods: New and returning SOC patients referred from our health system’s oncologists from November 2011 through May 2014 completed the Condensed Memorial Symptom Assessment Scale plus a sexual dysfunction structured assessment. Visits include a structured symptom assessment and personalized treatment plan from the clinic’s part-time physician and/or nurse practitioner. Patients rated from 0-4 how bothersome 15 cancer symptoms were. Descriptive statistics were calculated. We used the Wilcoxon signed rank test to compare symptom scores at patients’ first and second visits. Results: 135 patients had multiple SOC visits. Mean age was 54.7 (SD 12.5) years. 55.3% were female. The most common cancers were breast, lung, and head and neck (18.1% each). Median time between visits was 29 days (mean: 52.8, range: 2-446). The most bothersome symptoms at baseline were pain (mean 3.1, SD 1.3), lack of energy (2.4, SD 1.3), and difficulty sleeping (2.1, SD 1.6). Least bothersome were dyspnea (0.8, SD 1.1), sexual problems (0.9, SD 1.4), and nausea (1.0, SD 1.3). Energy, pain, drowsiness, constipation, sleep, worrying, sadness, and nervousness were significantly improved at follow-up with reductions between 0.2 (drowsiness) and 0.5 (pain) points (all p<0.05). Weight loss trended toward improved (p=0.053). Conclusions: 8 of 15 symptoms significantly improved after the first visit to a small-scale SOC. These reductions may underestimate the SOC’s effect if disease was progressing or overestimate differences if disease was shrinking, but such data were unavailable. Larger multi-site trials with well-defined interventions and control groups are needed.