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. Author manuscript; available in PMC: 2016 Jul 12.
Published in final edited form as: Curr Opin Mol Ther. 2004 Dec;6(6):657–665.
Clinical
Effect Studied Model Used Result Reference
Efficacy. A phase I study in patients with androgen
refractory prostate cancer (n = 33) in
which kahalalide F (20 to 930 µg/m2) was
administered as a daily 1-h intravenous
infusion for 5 days every 3 weeks.
One patient showed a significant decrease in PSA level
(> 50%) associated with clinical improvement (pain relief),
while three patients exhibited stable disease for 2 (n = 2) or
7 (n = 1) months. The MTD was 560 µg/m2/day.
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Efficacy. A phase I study in patients with various
solid tumors (n = 25) in which kahalalide
F was administered as a continuous
weekly 1-h intravenous infusion at doses
ranging from 266 to 1200 µg/m2.
Three patients achieved a clinical benefit: one
hepatocarcinoma patient who received 24 infusions
consisting of 400 µg/m2/week, one squamous carcinoma
cavum patient who received nine infusions at the same
dose, and one NSCLC patient who received 16 infusions at
a dose of 530 µg/m2/week. The MTD was 1200
µg/m2/week.
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Safety. Two phase I trials in which 60 cancer
patients were administered kahalalide
F as a 1-h intravenous infusion.
Grade 4 Al was consistently the DLT and tended to
coincide with LDH elevation and an ALT/AP ratio of
> 5.0, indicating hepatocellular damage; these effects were
reversible and dose dependent.
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