Abstract:
:Background Older non-small cell lung cancer (NSCLC) patients under erlotinib are reported to experience more acute toxicity. We hypothesized that modifications in erlotinib pharmacokinetics might explain this observation. Methods A monocentric prospective clinico-pharmacological study included stage IIIb/IV NSCLC consecutive pts. treated with erlotinib. The plasma concentration of erlotinib (Ce) was measured at steady state on day 15. We studied the relationship between age > 75 years, and Ce, using the Mann-Whitney U test and with the occurrence of acute toxicity, using a Fisher's test. Results A total of 53 pts. were analyzed. Median age was 68 years (31-83), 56 % were female. All pts. > 75 years experienced toxicity: all grade acute adverse events were 1.6 fold more frequent (100 % vs 61 %; OR 95 % CI [1.9-INF]; p = 0.003). At day 15, Ce increased with age. Over 75 years old, the mean Ce was 1.5 fold higher: 2091 ng/mL (95 % CI [1476; 2706]) vs 1359 (95 % CI [1029; 1689]; p = 0.024). In pts. over 80 years old, the mean Ce was doubled: 2729 (95 % CI [1961; 3497]) vs 1358 ng/mL (95 % CI [1070; 1646]; p = 0.0019). Reduced lean body mass over 75 years (median 36.6 kg versus 49.1 kg) might account for these differences. Finally, the risk of early erlotinib discontinuation was increased by 11 in older pts. (33 % vs 3 % OR 17.2; 95 % CI [1.7; 892.5] p = .005). Conclusion The risk of overexposure to erlotinib increases with age. Reduced lean body mass may explain erlotinib pharmacokinetics and excessive acute toxicity in the elderly.
journal_name
Invest New Drugsjournal_title
Investigational new drugsauthors
Bigot F,Boudou-Rouquette P,Arrondeau J,Thomas-Schoemann A,Tlemsani C,Chapron J,Huillard O,Cessot A,Vidal M,Alexandre J,Blanchet B,Goldwasser Fdoi
10.1007/s10637-016-0400-5subject
Has Abstractpub_date
2017-04-01 00:00:00pages
242-246issue
2eissn
0167-6997issn
1573-0646pii
10.1007/s10637-016-0400-5journal_volume
35pub_type
临床试验,杂志文章abstract::Glioblastoma (GBM), one of the most malignant human neoplasias, responds poorly to current treatment modalities, with temozolomide (TMZ) being the drug most frequently used for its treatment. Tetra-O-methyl Nordihydroguaiaretic Acid (M4N) is a global transcriptional repressor of genes dependent on the Sp1 transcriptio...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-012-9917-4
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abstract::Introduction BTH1677, a 1,3-1,6 beta-glucan immunomodulator, stimulates a coordinated anti-cancer immune response in combination with anti-tumor antibody therapies. This phase II study explored the efficacy, pharmacokinetics (PK), and safety of BTH1677 combined with cetuximab/carboplatin/paclitaxel in untreated stage ...
journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1007/s10637-017-0450-3
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abstract::This study aimed to analyze the oncology "drug lag" (i.e., the delay in time required for the approval of oncology drugs) in Japan compared with that in the United States of America (US) or the European Union (EU) and to identify the factors associated with this lag. Using publicly available information, we collected ...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-011-9638-0
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abstract::We have developed a specific and sensitive method aiming at docetaxel (Taxotere) determination in plasma of treated patients. This involved solid-phase extraction of 1 ml of plasma onto carboxylic acid (CBA) grafted silica cartridges followed by reversed-phase liquid chromatography with UV detection. The best selectiv...
journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1023/a:1006327302041
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abstract::A series of 96 diarylamidine (and diarylimidazoline) derivatives were evaluated for their inhibitory effects on the growth and DNA synthesis of murine leukemia L1210 cells. The amidino- and imidazolino-substituted aryl moieties of the compounds consisted of phenyl, indole, indene, benzofuran, benzo[b]thiophene or benz...
journal_title:Investigational new drugs
pub_type: 杂志文章
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更新日期:1983-01-01 00:00:00
abstract::Major discrepancies concerning risk-benefit assessments and regulatory actions are frequent among regulatory agencies. We explored the differences by scrutinizing a case of gemtuzumab ozogamicin (GO) in patients with acute myeloid leukaemia (AML). Assessment reports of GO were retrieved form the websites of the US Foo...
journal_title:Investigational new drugs
pub_type: 杂志文章,评审
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abstract::Mezerein, the most active antitumor compound isolated from the daphne species of plants, has a structural similarity to phorbol myristate acetate (PMA), the major active compound isolated from croton oil. PMA is known to have tumor promoting activity and is a potent inflammatory agent. Mezerein has similarly been repo...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/BF00170855
更新日期:1989-07-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,评审
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-013-9923-1
更新日期:2013-10-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究
doi:10.1007/s10637-015-0264-0
更新日期:2015-08-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究
doi:10.1007/s10637-015-0307-6
更新日期:2016-02-01 00:00:00
abstract::An inflammatory myofibroblastic tumor (IMT) is a rare invasive soft tissue mass with intramuscular penetration that is primarily treated via a surgical procedure. However, with unclear boundaries and a high rate of relapse, there is no standard treatment for recurrence or unresectable tumors. It is noteworthy that app...
journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-020-00984-5
更新日期:2020-09-11 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-012-9841-7
更新日期:2013-06-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-011-9727-0
更新日期:2012-08-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究
doi:10.1007/s10637-016-0416-x
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abstract::A phase I trial of first-line vorinostat, an orally bio-available histone deacetylase inhibitor, in combination with capecitabine plus cisplatin (XP) was performed to assess recommend phase II trial dose in patients with advanced gastric cancer. Five dose levels of three-weekly vorinostat-XP were tested; vorinostat wa...
journal_title:Investigational new drugs
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-020-00941-2
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journal_title:Investigational new drugs
pub_type: 杂志文章,评审
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1023/a:1006260217400
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journal_title:Investigational new drugs
pub_type: 杂志文章,评审
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-015-0311-x
更新日期:2016-02-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 临床试验,杂志文章
doi:10.1007/BF01275473
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/BF00175291
更新日期:1987-01-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究
doi:10.1007/s10637-010-9474-7
更新日期:2011-12-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-010-9558-4
更新日期:2012-02-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/s10637-018-0641-6
更新日期:2019-06-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章
doi:10.1007/BF00170866
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journal_title:Investigational new drugs
pub_type: 杂志文章
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journal_title:Investigational new drugs
pub_type: 杂志文章
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更新日期:1985-01-01 00:00:00
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journal_title:Investigational new drugs
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2020-02-01 00:00:00