The NUCaCD study aims to develop a reliable registry of patients suffering inflammatory bowel diseases in the Republic of Kazakhstan.

The NUCaCD aims to study the prevalence of inflammatory bowel diseases in the Republic of Kazakhstan and create a reliable database, which will greatly facilitate future planning of the volume of health resources needed to address these diseases management and will help to optimize preventive measures and will support future research to better understand the etiology, new options treatment and factors affecting prognosis, relapses, development of complications and quality of life.

Inclusion Criteria:

• Availability of a signed informed consent form; or the presence of a disinterested witness if the patient is unable to examine and sign the consent form due to illiteracy or disability (for example, in the case of blindness);
• The patient has a documented diagnosis of ulcerative colitis or Crohn's disease (endoscopy, histology, if indicated by radiation diagnostics);
• Patients who have applied for treatment or are already taking treatment from a gastroenterologist / coloproctologist, including inpatients;
• Citizenship of the Republic of Kazakhstan (or resides).

Exclusion Criteria:

• Patient takes part in an interventional clinical trial;
• Patient is unable to follow the schedule of the visits;
• Any condition that the PI believes would prevent a study participant from participating in the study.

All patients with a verified diagnosis of Nonspecific Ulcerative Colitis and Crohn Disease.