psoriatic arthritis rheumatiod arthritis
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: RA patients 18-75 years with: RA according to the ACR criteria DAS28 * 3.2 No medication, or methotrexaat / hydroxychloroquine / sulfasalazine / leflunomide and/or prednison stable use * 28 days;Psoriatic arthritis patients 18-75 years with: PsA according to the CASPAR criteria DAS28 * 3.2 No medication, or methotrexaat / sulfasalazine / leflunomide/ prednison stable use * 28 days;Controls Non-smoking ( 12 months) Rheumatoid factor IgM and anti-CCP negative.
Exclusion criteria
Exclusion criteria: RA and PsA patients Severe cardiovascular disease, history or present (Myocardial infarction, Coronary bypass surgery CVA, Pulmonary embolism and deep venous thrombosis, Heart failure) A history of diabetes mellitus Systemic inflammatory disease other than RA or PsA Active pulmonary disease, including extraarticular manifestation of RA, asthma, COPD, TBC, infection Cancer diagnosed and treated within 5 years, or known incomplete remission if earlier Presence or recent history (4 weeks) of paradontitis History of upper or lower respiratory infection in the past 4 weeks The use of inhalation medication in the past 4 weeks The patient has an active infection or used antibiotics in the last 7 days The patient has started * 28 days for inclusion with oral or systemic corticosteroids in a dosage of > 10 mg a day or has had intramuscular and intraarticular corticosteroids The patient has stopped treatment with etanercept 12 months Eating (including chewing gum), drinking, brushing teeth 10 mg a day or has had intramuscular and intraarticular corticosteroids Eating (including chewing gum), drinking, brushing teeth
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome parameter is the smell-print provided by the electronic nose, together with the results of the on-board and offline statistical analysis. | — |
Secondary
| Measure | Time frame |
|---|---|
| n.a. | — |
Countries
Netherlands