Table 5.
Study timeline
| Data and Sample Collection | Screening Visit | Initial Visit, 0–21 d | 6-Mo Visit |
|---|---|---|---|
| Informed consent | X | ||
| History and physical examination | X | X | |
| Blood, urine, and stool sample collection | X | X | |
| Spirometry and DlCO, and lung volumes if FVC <80% | X | ||
| Subject self-administered questionnaires | X | X | |
| Organ assessment instrument modified from the ACCESS instrument | X | ||
| Research or clinical bronchoscopy | X | ||
| Radiology (chest radiograph and chest CT) | X | ||
| Skin biopsy (if deemed appropriate) | X |
Definition of abbreviations: ACCESS = A Case Control Etiologic Study of Sarcoidosis; CT = computed tomography; DlCO = diffusing capacity of carbon monoxide.