• Genetic and Non-genetic Factors Associated WithConstipation in Cancer Patients Receiving Opioids 

      Laugsand, Eivor Alette; Skorpen, Frank; Kaasa, Stein; Sabatowski, Rainer; Strasser, Florian; Fayers, Peter; Klepstad, Pål (Journal article; Peer reviewed, 2015)
      Objectives: To examine whether the inter-individual variation in constipation among patients receiving opioids for cancer pain is associated with genetic or non-genetic factors. Methods: Cancer patients receiving ...
    • Sleep quality with WHO Step III opioid use for cancer pain 

      Jakobsen, Gunnhild; Engstrøm, Morten; Fayers, Peter; Hjermstad, Marianne Jensen; Kaasa, Stein; Kloke, Marianne; Sabatowski, Rainer; Klepstad, Pål (Journal article; Peer reviewed, 2018)
      Objective Sleep is often disturbed in patients with advanced cancer. There is limited knowledge about sleep in patients with cancer treated with strong opioids. This study examines sleep quality in patients with advanced ...