Abstract:
BACKGROUND:Patients taking opioids are known to develop opioid-induced constipation (OIC), which reduces their quality of life. The aim of this study is to compare magnesium oxide with naldemedine and determine which is more effective in preventing OIC. METHODS:This proof-of-concept, prospective, randomized controlled trial commenced in Japan in March 2018. Initially, a questionnaire-based survey will be conducted targeting adult patients with cancer who concomitantly commenced opioid treatment and OIC prevention treatment. Patients will then be randomly allocated to a magnesium oxide group (500 mg thrice daily) or a naldemedine group (0.2 mg once daily). Each drug will be orally administered for 12 weeks. The primary endpoint is defined as any improvement in scores on the Japanese version of Patient Assessment of Constipation Quality of Life questionnaire (JPAC-QOL) from baseline to 2 weeks of treatment. DISCUSSION:The primary endpoint is change in JPAC-QOL score from baseline to 2 weeks of intervention. The key secondary endpoint will be change in spontaneous bowel movements at 2 and 12 weeks of intervention. This study will determine whether magnesium oxide or naldemedine is more effective for the prevention of OIC. TRIAL REGISTRATION:University Hospital Medical Information Network (UMIN) Clinical Trials Registry, UMIN000031891. Registered March 25, 2018.
journal_name
Trialsjournal_title
Trialsauthors
Ozaki A,Kessoku T,Iwaki M,Kobayashi T,Yoshihara T,Kato T,Honda Y,Ogawa Y,Imajo K,Higurashi T,Yoneda M,Taguri M,Yamanaka T,Ishiki H,Kobayashi N,Saito S,Ichikawa Y,Nakajima Adoi
10.1186/s13063-020-04385-0subject
Has Abstractpub_date
2020-06-01 00:00:00pages
453issue
1issn
1745-6215pii
10.1186/s13063-020-04385-0journal_volume
21pub_type
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