This pilot study suggests that a stepped care pathway for cognitive problems is relevant and also mangable in terms of clinical care.
In total, 261 patients completed PROMs 6 months after start treatment; 38/154 (25%) melanoma and 43/107 (40%) breast cancer patients reported clinically relevant self-reported cognitive impairment. Of them, 12/38 (32%) melanoma and 15/43 (35%) breast cancer patients opted for complementary online cognitive testing. Of those completing formal tests, objectively measured cognitive impairment was identified in 4/12 (33%) melanoma and 10/15 (67%) breast cancer patients.
Self-reported cognitive functioning was measured in breast cancer or melanoma patients, 6 months after start of treatment, with two items of the EORTC QLQ-C30. Scores below a predefined threshold of 75 indicated clinically relevant cognitive impairment. Subsequent objective cognitive functioning was assessed with an online test battery, consisting of seven tests. Impaired cognitive functioning was defined as a z score of ≤ - 1.5 on 2 or more tests, a z score of ≤ - 2 on one single test, or both. Descriptive statistics were used to analyze the prevalence of impairment.
A significant number of patients report cognitive problems 6 months after starting treatment. Only onethird was able and/or expressed the need for further diagnostics. Among those who were formally tested, 33-67% had cognitive impairment, which is 3-9% of the total group that completed PROMs in routine care.
This pilot study aimed to identify patients with cognitive impairment by a stepped-care use of patient-reported outcome measures (PROMs) and complementary online cognitive tests implemented in routine clinical practice.
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