PSI is a leading full-service CRO with 800+ staff in Europe (Eastern, Central, Western), the USA and Latin America.
PSI is known and respected for consistently securing fast patient enrollment into clinical trials of all sizes and levels of complexity, across a broad range of indications.
PSI has successfully performed Phase II/III studies in the following atopic, immunologic and rheumatologic indications:- Allergic rhinitis
- Arthritic pain
- Asthma
- Atopic dermatitis
- Bone marrow transplantation
- Osteoarthritis
- Psoriasis
- Rheumatoid arthritis
- SLE
- Vaccine augmentation
PSI has developed a database of 800+ allergy, immunology and rheumatology sites grouped by indication, as listed below:
| Allergy / Immunology / Rheumatology Indication | # Sites |
| Allergic rhinitis | 97 |
| Arthritic pain | 71 |
| Asthma, adult | 150 |
| Asthma, pediatric | 71 |
| Atopic dermatitis | 67 |
| Bone marrow transplantation | 22 |
| Osteoarthritis | 212 |
| SLE | 23 |
Vaccine augmentation
| 112 |
| 825 |
PSI employs physicians as full-time monitors and project managers, most of whom are board certified specialists, including internists, immunologists and rheumatologists.