Irritable Bowel Syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Participants will be undergraduate and graduate students aged 18 to 25 belonging to Waseda University, who have a high tendency towards irritable bowel syndrome (IBS) and have consented to participate in this study of their own free will. A screening survey based on Rome IV will be conducted to measure the tendency of IBS. Individuals who report having experienced abdominal pain in the past three months will be selected as participants.
Exclusion criteria
Exclusion criteria: Individuals with back pain, arthritis, cancer or tumors, heart disease, immune disorders, epilepsy, mental disorders (e.g., schizophrenia, bipolar disorder), eye diseases that may be aggravated by increased intraocular pressure (e.g., glaucoma, retinal detachment, conjunctivitis), or individuals advised against physical activity by a physician will be excluded. Additionally, individuals currently receiving any form of treatment or participating in another intervention study will also be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The following outcomes will be measured before and after the intervention and two weeks after the intervention (follow-up) periods. IBS Severity Index (Shinozaki et al., 2006); Visceral Sensitivity Index (VSI; Saigo et al., 2014); actual heart rate during the heartbeat detection task; heart rate counted by the participants during the heartbeat detection task; confidence in the accuracy of heart rate counting (7-point Likert scale); amount of water consumed during the first and second trials of the water load task; degree of gastrointestinal symptoms before and after the water load (i.e., pain/discomfort, fullness, nausea, and bloating, each rated using a Visual Analogue Scale); Multidimensional Assessment of Interoceptive awareness (MAIA; Shoji et al., 2018) | — |
Secondary
| Measure | Time frame |
|---|---|
| The following outcomes will be measured before and after the intervention and two weeks after the intervention (follow-up) periods. Respiratory rate and heart rate variability at the resting state; Five Facet Mindfulness Questionnaire (FFMQ; Sugiura et al., 2012) | — |
Contacts
Waseda University