Mechanism of Chronic Pain in Patients With IBD

Inclusion Criteria : * Males or females who are over 18 years old. * Patients who are diagnosed with UC or CD within 6 months before the enrolment. * Patients who have access to the internet and have the IT skills to perform basic tasks e.g. operate emails and fill out questionnaires. * Patients who are willing and able to participate in the study for the required duration, can understand and are willing to sign the consent forms and agree to undergo all protocol-related tests and procedures. Exclusion Criteria: * Patients who have severe extensive colitis and are at imminent risk of colectomy. * Patients who already have the presence of a stoma or history of a fistula or stricture due to another diagnosis. * Patients who are pregnant, lactating or thinking of becoming pregnant during the study period * Patients who have unstable acute illness or exacerbation of an unstable chronic illness or chronic disease (other than IBD) that may affect assessments for this study as determined by previous physical examination, medical history, vital signs, ECG, and laboratory (serum biochemistry, hematology, urinalysis) assessments. * Patients with a medical history of hepatitis B, hepatitis C or human immunodeficiency virus (HIV) infection that are not in remission and are on medication that can affect gastrointestinal function. * Patients who have known or suspected to have a severe cardiac disease (e.g., symptomatic coronary artery disease, prior myocardial infarction, congestive heart failure (CHF) and chronic arrhythmia such as atrial fibrillation * Patients who have known or suspected cerebrovascular disease (e.g. prior stroke or transient ischemic attack, symptomatic carotid artery disease, prior carotid endarterectomy or other vascular neck surgery) * Patients who have a known history or suspected history of substance abuse or addiction (within the last five years).