5567 Background: Patient reported outcome (PRO) measures are key instruments to provide an evaluation of health outcomes from the patient's perspective. Assessment of PROs may help identify the nature, severity, and time course of symptoms of concern in patients with ovarian cancer. The ability to access this information in real-time, including changes over time, could improve patient safety and decision-making. Methods: This systematic review evaluated the proactive or real-time assessment of PROs in patients with ovarian cancer undergoing systemic therapy. Medline, Embase, and Cochrane databases were searched (up to February 2022), and prospective ovarian cancer studies (experimental or observational) that incorporated PROs (including quality of life) were included. Conference abstracts were excluded. Primary objective was to assess the frequency of studies incorporating proactive use of PROs. A secondary objective was to describe PRO reporting. Descriptive statistics were used. Results: 3,071 articles were screened, with 117 included in the final analysis. Studies were published between 1990-2022 and contained 35,735 patients (median 140 patients per study; inter-quartile range 58-415). Median time from patient enrollment initiation to study publication was 7 years (range 1-15). Most studies were experimental/clinical trials (n=93, 79%), followed by observational (n=23, 20%) and not reported (n=1; Table). Among experimental studies, 56% (52/93) were phase III, 35.5% (33/93) phase II, 6.5% (6/93) phase I or I/II trials and it was not reported in two. Therapeutic strategies were assessed in 98% (91/93) of experimental studies, being the most frequent one chemotherapy (n=53, 58%), followed by antiangiogenics and PARP inhibitors (n=8, 9%, each). Types of observational studies were descriptive 43.5% (10/23), cohort 26% (6/23), cross-sectional 22% (5/23), or other 9% (2/23). PROs were the primary objective in 7.5% (7/93) and 83% (19/23) of experimental and observational studies respectively. The table describes PRO reporting standards per type of study. PROs were assessed in real-time in 0.8% (1/117) of studies. Conclusions: Completion of PRO and quality of life questionnaires involve time and effort for patients with ovarian cancer. PRO questionnaire responses were only assessed in real-time in <1% of analyzed studies. Efforts should be made to incorporate proactive assessment of PROs to optimize patient care and safety. [Table: see text]
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