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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Invest+New+Drugs
2017 ; 35
(3
): 324-333
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English Wikipedia
First-in-human phase I study of SOR-C13, a TRPV6 calcium channel inhibitor, in
patients with advanced solid tumors
#MMPMID28150073
Fu S
; Hirte H
; Welch S
; Ilenchuk TT
; Lutes T
; Rice C
; Fields N
; Nemet A
; Dugourd D
; Piha-Paul S
; Subbiah V
; Liu L
; Gong J
; Hong D
; Stewart JM
Invest New Drugs
2017[Jun]; 35
(3
): 324-333
PMID28150073
show ga
Introduction This was an open-label, dose escalation (3 + 3 design), Phase I
study of SOR-C13 in patients with advanced tumors of epithelial origin. Primary
objectives were to assess safety/tolerability and pharmacokinetics. Secondary
goals were to assess pharmacodynamics and efficacy of SOR-C13. Methods SOR-C13
was administered IV QD on days 1-3 and 8-10 of a 21-day cycle. Doses were 2.75
and 5.5 mg/kg (20-min infusion) and 1.375, 2.75, 4.13 and 6.2 mg/kg (90-min
infusion). Toxicity was assessed by National Cancer Institute (NCI) Common
Terminology Criteria for Adverse Events (CTCAE) version 4.0. Dose limiting
toxicity (DLT) was assessed within the first treatment cycle. Tumors were
evaluated, using Response Evaluation Criteria in Solid Tumors (RECIST) 1.1, after
two cycles. Results Twenty-three patients were treated. No drug-related serious
adverse events occurred. DLTs occurred in six patients: asymptomatic,
drug-related, transient Grade 2 hypocalcemia (4 patients), and unrelated Grade 3
anemia and Grade 3 atrial fibrillation, 1 patient each. Calcium and vitamin D
supplementation eliminated further Grade 2 hypocalcemia. One Grade 3 treatment
emergent adverse event, urticaria, was definitely related to SOR-C13. Four
possibly drug-related, Grade 3 events (alanine aminotransferase and aspartate
aminotransferase elevation, headache, and hypokalemia) were observed. Of 22
evaluable patients, 54.5% showed stable disease ranging from 2.8 to 12.5 months.
The best response was a 27% reduction in a pancreatic tumor with a 55% reduction
in CA19-9 levels at 6.2 mg/kg. Conclusion SOR-C13 was safe and tolerated up to
6.2 mg/kg. The Maximal Tolerated Dose (MTD) was not established. Stable disease
suggested antitumor activity.
|*Antineoplastic Agents/adverse effects/pharmacokinetics/pharmacology/therapeutic
use
[MESH]
|*Calcium Channel Blockers/adverse
effects/pharmacokinetics/pharmacology/therapeutic use
[MESH]
|Adult
[MESH]
|Aged
[MESH]
|Alanine Transaminase/blood
[MESH]
|Aspartate Aminotransferases/blood
[MESH]
|Calcium Channels/genetics
[MESH]
|Female
[MESH]
|Headache/chemically induced
[MESH]
|Humans
[MESH]
|Hypocalcemia/chemically induced
[MESH]
|Hypokalemia/chemically induced
[MESH]
|Keratin-18/blood
[MESH]
|Male
[MESH]
|Maximum Tolerated Dose
[MESH]
|Middle Aged
[MESH]
|Neoplasms/*drug therapy/metabolism
[MESH]
|Peptides/adverse effects/pharmacokinetics/pharmacology/therapeutic use
[MESH]
|RNA, Messenger/blood
[MESH]
|TRPV Cation Channels/adverse effects/*antagonists &
inhibitors/genetics/pharmacokinetics/pharmacology/therapeutic use
[MESH]