TABLE VI
P
HOTOSENSITIZER
C
ONCENTRATION AND
L
ASER
L
IGHT
D
OSE
R
EQUIRED TO
K
ILL
90%
OF THE
C
ELLS
IN VITRO
Sensitizer*
log
P
OW
Cell lines
LD
50Dark
(m
M)
LD
90PDT
(m
M)
h
n^90
(J/cm
2 )
F
PDT
(cm
2 /J)
Photofrin
a
b 0
Epidermoid ca. (A431)
5
60
1.5
0.06
Foscan
a
5.3
Epidermoid ca. (A431)
8
0.1
1.5
53
H
BPurhep 2
c
11.2
RIF
10
1.5
10
1
H
DOHPTMB 2
d
6.8
HeLa
4
0.2
10
2
H
TCl 2
PBOH 2
e
1.7
f
Prostate (PC-3)
623
35
6
3
aFrom Refs. (
104
) and (
108
).
bFor hematoporphyrin IX in
Ref. (
108
).
cFrom Ref. (
101
); concentrations between 1.5 and 2.5
mM were tested in the dark, and it was reported that 1.5
mM solutions had no dark toxicity;
although IC
50Dark
was not reported, given the onset of dark toxicity, 10
mM is an educated guess for IC
50Dark
.
dFrom Ref. (
109
).
eFrom Ref. (
89
).
fFrom Ref. (
90
).