Photochemotherapy and Graft-versus-leukemia in Acute-leukemia

Oral 8-Methoxypsoralene (8-MOP), (0.4-0.8 mg/kg), are given 1.5-2 hours before phototherapy. Ultraviolet light type A (UVA, 320-400 nm) is administered in a Waldmann UV1000 supine unit through 26 100-W fluorescent PUVA lamps (Waldmann F85), if needed, UVA is given in a half body unit with 15 100-W PUVA-lamps (Waldmann F85), (Waldmann UV3003K), (Waldmann, Villingen-Schwenningen, Germany). Eye protection is applied during 24 h after oral 8-MOP and the genital area are shielded in males during therapy.The UVA is initiated at 0.2-1.5 J/cm2 and is amplified by 0.25-0.5 J/cm2 after two treatments if photo toxicity is absent. PUVA is given to the patients 3-5 times each week.