Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/111490
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Type: Journal article
Title: Combination gefitinib and methotrexate compared with methotrexate alone to treat ectopic pregnancy
Author: Skubisz, M.
Horne, A.
Johns, T.
Nilsson, U.
Duncan, W.
Wallace, E.
Critchley, H.
Tong, S.
Citation: Obstetrics and Gynecology, 2013; 122(4):745-751
Publisher: Lippincott Williams & Wilkins
Issue Date: 2013
ISSN: 0029-7844
1873-233X
Statement of
Responsibility: 
Monika M. Skubisz, Andrew W. Horne, Terrance G. Johns, Ulrika W. Nilsson, W. Colin Duncan, Euan M. Wallace, Hilary O. D. Critchley, and Stephen Tong
Abstract: OBJECTIVE: To determine the safety, tolerability, and efficacy of combination gefitinib and methotrexate to treat ectopic pregnancy. METHODS: We performed a phase I, single-arm (nonrandomized), open-label study. Twelve women with ectopic pregnancies were administered methotrexate (50 mg/m², intramuscular) and 250 mg oral gefitinib in a dose-escalation protocol: one dose (day 1) n53; three doses (days 1–3) n53; seven doses (days 1–7) n56. Efficacy was examined by comparing human chorionic gonadotrophin (hCG) decline and time to resolution with historic controls administered methotrexate only. RESULTS: Common side effects were transient acneiform rash in 67% (8/12) and diarrhea in 42% (5/12) of participants. There was no clinical or biochemical evidence of serious pulmonary, renal, hepatic, or hematologic toxicity. Of six participants with a pretreatment serum hCG level between 1,000 and 3,000 international units/L, hCG levels declined significantly faster than in the control group. Median serum hCG levels by day 7 after treatment were less than one fifth of levels observed among 71 historic controls treated with methotrexate alone (median [interquartile range] hCG in participants 261 [55–1,445] international units/L compared with controls 1,426 [940–2,573]; P5.008). Median time for the ectopic pregnancies to resolve with combination therapy was 34% shorter compared with methotrexate alone (21 days compared with 32 days; P5.018). CONCLUSION: Combination gefitinib and methotrexate has potential as a treatment for ectopic pregnancy but is commonly associated with minor side effects such as transient rash and diarrhea. The treatment requires validation of safety and efficacy in a larger trial. CLINICAL TRIAL REGISTRATION: Australian New Zealand Clinical Trials Registry, www.anzctr.org, AC’TRN12610000684022.
Keywords: Humans; Pregnancy, Ectopic; Methotrexate; Quinazolines; Abortifacient Agents, Nonsteroidal; Antineoplastic Agents; Drug Therapy, Combination; Injections, Intramuscular; Pregnancy; Adult; Female
Rights: © 2013 by The American College of Obstetricians and Gynecologists. Published by Lippincott Williams & Wilkins.
RMID: 0030083827
DOI: 10.1097/AOG.0b013e3182a14cfb
Grant ID: http://purl.org/au-research/grants/nhmrc/606611
http://purl.org/au-research/grants/nhmrc/1008276
http://purl.org/au-research/grants/nhmrc/1050765
Appears in Collections:Obstetrics and Gynaecology publications

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