TY - JOUR
T1 - Efficacy of RAD001 (everolimus) and octreotide LAR in advanced low- to intermediate-grade neuroendocrine tumors
T2 - Results of a phase II study
AU - Yao, James C.
AU - Phan, Alexandria T.
AU - Chang, David Z.
AU - Wolff, Robert A.
AU - Hess, Kenneth
AU - Gupta, Sanjay
AU - Jacobs, Carmen
AU - Mares, Jeannette E.
AU - Landgraf, Andrea N.
AU - Rashid, Asif
AU - Meric-Bernstam, Funda
PY - 2008/9/10
Y1 - 2008/9/10
N2 - Purpose: Evaluate the activity of everolimus (RAD001) in combination with octreotide long-acting repeatable (LAR) in patients with advanced low- to intermediate-grade neuroendocrine tumors. Methods: Treatment consisted of RAD001 5 mg/d (30 patients) or 10 mg/d (30 patients) and octreotide LAR 30 mg every 28 days. Thirty carcinoid and 30 islet cell patients were enrolled. Results Intent-to-treat response rate was 20%. Per protocol, there were 13 with partial responses (22%), 42 with stable disease (SD; 70%), and five patients with progressive disease (8%). Overall median progression-free survival (PFS) was 60 weeks. Median PFS for patients with known SD at entry was longer than for those who had progressive disease (74 v 50 weeks; P <.01). Median overall survival has not been reached. One-, 2-, and 3-year survival rates were 83%, 81 %, and 78%, respectively. Among 37 patients with elevated chromogranin A, 26 (70%) achieved normalization or more than 50% reduction. Most common toxicity was mild aphthous ulceration. Grade 3/4 toxicities occurring in ≥ 10% of patients included hypophosphatemia (11 %), fatigue (11 %), and diarrhea (11 %). Treatment was associated with a dose-dependent rise in lactate dehydrogenase (LDH). Those with lower than 109 U/L rise in LDH at week 4 had shorter PFS (38 v69 weeks; P = .01). Treatment was also associated with a decrease in proliferation marker Ki-67 among patients who underwent optional paired pre- and post-treatment biopsy (P = .04). Conclusion RAD001 at 5 or 10 mg/d was well tolerated in combination with octreotide LAR, with promising antitumor activity. Confirmatory studies are ongoing.
AB - Purpose: Evaluate the activity of everolimus (RAD001) in combination with octreotide long-acting repeatable (LAR) in patients with advanced low- to intermediate-grade neuroendocrine tumors. Methods: Treatment consisted of RAD001 5 mg/d (30 patients) or 10 mg/d (30 patients) and octreotide LAR 30 mg every 28 days. Thirty carcinoid and 30 islet cell patients were enrolled. Results Intent-to-treat response rate was 20%. Per protocol, there were 13 with partial responses (22%), 42 with stable disease (SD; 70%), and five patients with progressive disease (8%). Overall median progression-free survival (PFS) was 60 weeks. Median PFS for patients with known SD at entry was longer than for those who had progressive disease (74 v 50 weeks; P <.01). Median overall survival has not been reached. One-, 2-, and 3-year survival rates were 83%, 81 %, and 78%, respectively. Among 37 patients with elevated chromogranin A, 26 (70%) achieved normalization or more than 50% reduction. Most common toxicity was mild aphthous ulceration. Grade 3/4 toxicities occurring in ≥ 10% of patients included hypophosphatemia (11 %), fatigue (11 %), and diarrhea (11 %). Treatment was associated with a dose-dependent rise in lactate dehydrogenase (LDH). Those with lower than 109 U/L rise in LDH at week 4 had shorter PFS (38 v69 weeks; P = .01). Treatment was also associated with a decrease in proliferation marker Ki-67 among patients who underwent optional paired pre- and post-treatment biopsy (P = .04). Conclusion RAD001 at 5 or 10 mg/d was well tolerated in combination with octreotide LAR, with promising antitumor activity. Confirmatory studies are ongoing.
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U2 - 10.1200/JCO.2008.16.7858
DO - 10.1200/JCO.2008.16.7858
M3 - Article
C2 - 18779618
AN - SCOPUS:52049125970
SN - 0732-183X
VL - 26
SP - 4311
EP - 4318
JO - Journal of Clinical Oncology
JF - Journal of Clinical Oncology
IS - 26
ER -