Gynecologic oncology · 2015
Phase I study of intravenous (IV) docetaxel and intraperitoneal (IP) oxaliplatin in recurrent ovarian and fallopian tube cancer.
Клиническое исследование I фазыСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Taylor Sarah E, Li Ruosha, Petschauer Jennifer S, Donovan Heidi, O'Neal Sara, Keeler Amanda W, Zamboni William C, Edwards Robert P, Zorn Kristin K
Аннотация
OBJECTIVE: The primary objective was to define the maximum tolerated dose (MTD) and dose-limiting toxicity (DLT) of IV docetaxel and IP oxaliplatin in women with recurrent ovarian (OV), fallopian tube (FT) or peritoneal (PP) cancer. Secondary objectives included response rate, time to progression, pharmacokinetics (PK) and quality of life (QoL).
METHODS: Patients received docetaxel 75mg/m(2) IV day (d) 1 and oxaliplatin escalating from 50mg/m(2) IP d2 every 3weeks using a 3+3 design. Treatment continued until disease progression, remission, or intolerable toxicity. Plasma and IP samples were taken to determine drug concentrations. MD Anderson Symptom Inventory and symptom interference scale were completed weekly.
RESULTS: Thirteen patients were included. Median number of cycles was 6 (range 1-10). Ten patients had measureable disease. Best response was partial response (PR-2), stable disease (SD-7), and progressive disease (PD-1). Twenty-one Grades 3-4 toxicities were noted, commonly hematologic. Two patients had DLTs: prolonged neutropenia (1) and abdominal pain (1). MTD was d1 docetaxel 75mg/m(2) IV and d2 oxaliplatin 50mg/m(2) IP. Symptom burden peaked week one and returned to baseline by week two of each cycle on dose level 1. Dose level 2 had persistently high symptom burden and interference. At IP oxaliplatin doses of 50mg/m(2), total unbound drug exposure (AUC) averaged 8 times larger and Cmax reached concentrations 50-fold greater in IP fluid compared to plasma.
CONCLUSIONS: Docetaxel 75mg/m(2) IV d1 and oxaliplatin 50mg/m(2) IP d2 is the MTD. Most patients had PR or SD. Patient-reported outcomes demonstrate temporary but tolerable decrements in QoL. IP oxaliplatin provides PK advantages over IV administration.
METHODS: Patients received docetaxel 75mg/m(2) IV day (d) 1 and oxaliplatin escalating from 50mg/m(2) IP d2 every 3weeks using a 3+3 design. Treatment continued until disease progression, remission, or intolerable toxicity. Plasma and IP samples were taken to determine drug concentrations. MD Anderson Symptom Inventory and symptom interference scale were completed weekly.
RESULTS: Thirteen patients were included. Median number of cycles was 6 (range 1-10). Ten patients had measureable disease. Best response was partial response (PR-2), stable disease (SD-7), and progressive disease (PD-1). Twenty-one Grades 3-4 toxicities were noted, commonly hematologic. Two patients had DLTs: prolonged neutropenia (1) and abdominal pain (1). MTD was d1 docetaxel 75mg/m(2) IV and d2 oxaliplatin 50mg/m(2) IP. Symptom burden peaked week one and returned to baseline by week two of each cycle on dose level 1. Dose level 2 had persistently high symptom burden and interference. At IP oxaliplatin doses of 50mg/m(2), total unbound drug exposure (AUC) averaged 8 times larger and Cmax reached concentrations 50-fold greater in IP fluid compared to plasma.
CONCLUSIONS: Docetaxel 75mg/m(2) IV d1 and oxaliplatin 50mg/m(2) IP d2 is the MTD. Most patients had PR or SD. Patient-reported outcomes demonstrate temporary but tolerable decrements in QoL. IP oxaliplatin provides PK advantages over IV administration.