Table 2.

 Photodynamic therapy of high grade dysplasia and early carcinoma in Barrett’s oesophagus^51–54

Photosensitiser	High grade dysplasia			Early adenocarcinoma
	No of patients	Eradication of dysplasia (%)	Follow up (months)	No of patients	Eradication of cancer (%)	Follow up (months)
Photofrin	181	77–100	12–46	56	41–83	15–32
mTHPC	4	100	27	58	74	2–48
ALA	15	100	1–44	37	77–100	9.9–36

mTHPC, m-tetrahydroxyphenyl chlorine; ALA, 5-aminolaevulinic acid.