Background: The aim of this study was to describe the correlations between the psychosocial burden on male caregivers and their perception of social support, as well as distress, anxiety, and depression among their partners in the first six months after a cancer diagnosis.; Methods: A cross-sectional, longitudinal and observational study was conducted on a group of 61 couples, with the use of Zarit Burden Interview (ZBI), Caregiver Burden Scale (CBS), Berlín Social Support Scales (BSSS), Hospital Anxiety and Depression Scale (HADS) and Distress Thermometer