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Table 3 Photosensitivity of some photosensitizers

From: Implications of photodynamic cancer therapy: an overview of PDT mechanisms basically and practically

Photosensitizer

Skin photosensitivity

5-Aminolevulinic acid or ALA (Levulan)

1–2 days

Methylene blue

1–2 days

Porfimer sodium (Photofrin)

3–8 weeks

Verteporfin (Visudyne)

1–5 days

HPPH: 2-(1-Hexyl-oxyethyl)-2-devinylpyropheophorbide-alpha

6–8 weeks

N-aspartyl chlorin e6 (NPe6, Laserphyrin)

1–2 weeks

Meta-tetra(hydroxyphenyl) chlorin (Foscan)

3–6 weeks