Predictive Value of the Distress Thermometer as a Predictive Screening Instrument to Detect Cancer-related Cognitive Impairment in Cancer Patients

Inclusion Criteria: * Patients should have reached a minimum age of 18 years at the time of enrolment * Newly detected histologically confirmed diagnosis of a solid (lung, gastro-intestinal, GIST, urological, prostate, breast, sarcoma or gynecological cancer) or hematologic malignancy * Patients should receive a treatment with curative intent based on the investigator's judgment or have an expected median overall survival of at least 5 years * Patients scheduled to receive (adjuvant) radiotherapy, chemotherapy, radiobiotherapy, radiochemotherapy, anti-hormonal or targeted therapy with curative intent * Patients should be able to adequately communicate in Dutch * Patients should present with a sufficient mental and physical functional status (according to investigator's judgment and first baseline assessment) for completing the questionnaires and neuropsychological assessment Exclusion Criteria: * Patients younger than 18 at the time of enrollment * Patients who present with a cognitive impairment * Patient receiving a treatment with palliative intent * Patients who had surgery in the three weeks preceding the baseline assessment * Patients diagnosed with primary or secondary brain tumors * Patients with a prior history of cancer during the last 5 years, with or without chemotherapy or radiotherapy * Patients suffering from organic brain disease * Patients with an untreated or unstable major medical condition * Patients who are alcohol or drug dependent * Patients showing signs of mental deterioration * Patients with dementia (DSM-IV criteria) * Patients with a major psychiatric or neurologic disorder that could potentially invalidate assessment; a prior or current diagnosis of a depressive or anxiety disorder is allowed * Patients presenting with a condition other than cancer in which fatigue is a prominent symptom (such as chronic fatigue symptom)