Newly diagnosis of treatment-naïve RA, AS, PsA, PSar, CD, or UC.
Treatment-naïve which is defined as no current or previous (within 3 months) disease-modifying anti-rheumatic drugs (DMARDs) or systemic anti-inflammatory treatment including glucocorticoids.
Presence of CID treatment indication (no contra-indications) and patient accept to start first-line standard treatment in accordance with the national guideline for the specific diagnosis following the baseline visit.
Age 18 to 75 years.
You may not be if
Indication for biological therapy as primary therapy.
Celiac disease or food allergy.
Current cancer.
Hepatitis B and C, HIV, HTLV1/2, and active TB or other serious chronic infections.
Pregnant or breastfeeding women.
Not wishing to participate or not suited for FMT intervention or project evaluation.
