Table 2. Ultraviolet Phototherapy Management of Psoriasis: RCT Evidence (1999 to May 2009).
| Subject of Comparison | Number of RCTs |
||||
|---|---|---|---|---|---|
| 1. Comparison of effectiveness of ultraviolet wavelength source | |||||
| A. Within Ultraviolet B | |||||
| i. NB-UVB vs. BB-UVB | 2 | ||||
| B. Between Ultraviolet Source | |||||
| i. NB-UVB vs. PUVA | 4 | ||||
| ii. P-UVB vs. PUVA | 1 | ||||
| 2. Adjuvant effects with topical agents as additive interventions to phototherapy | |||||
| A. Vitamin D3 analogues with | |||||
| i. NB-UVB | 3 | ||||
| ii. BB-UVB | 2 | ||||
| iii. PUVA | 1 | ||||
| iv. NB-UVB or UVA | 1 | ||||
| B. Oleic Acid Cream | |||||
| i. NB-UVB | 1 | ||||
| C. Bergamol oil | |||||
| i. NB-UVB | 1 | ||||
| D. Balneotherapy (Spa saline baths) | |||||
| i. NB-UVB or BB-UVB | 4 | ||||
| 3. Adjuvant effects with systemic agents as additive interventions to phototherapy | |||||
| A. Methotrexate | |||||
| i. NB-UVB | 1 | ||||
| B. Alefacept | |||||
| i. NB-UVB or BB-UVB | 1 | ||||
| 4. Additional light source to improve effectiveness of phototherapy | |||||
| A. Excimer laser | |||||
| i. PUVA | 1 | ||||
| 5. Psychological intervention as additive intervention to phototherapy | |||||
| A. Audio tape on mindfulness therapy | |||||
| i. NB-UVB or BB-UVB | 1 | ||||
| 6. Comparison of phototherapy treatment setting | |||||
| A. Inpatient versus outpatient dithranol | |||||
| i. NB-UVB or BB-UVB | |||||
| B. Home vs. outpatient phototherapy | |||||
| i. NB-UVB | 1 | ||||
NB-UVB, Narrow band ultraviolet B radiation; BB-UVB, Broad band ultraviolet B radiation; PUVA, Psoralen ultraviolet A radiation; RCT Randomized controlled trial