• Olivia Wu, Elaine McCartney, Robert Heggie, Evi Germeni, James Paul, Eileen Soulis, Susan Dillon, Caoimhe Ryan, Moira Sim, Judith Dixon-Hughes, Roshan Agarwal, Andrew Bodenham, Tobias Menne, Brian Jones, and Jonathan Moss.
• Health Economics and Health Technology Assessment (HEHTA), Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK.
• Health Technol Assess. 2021 Jul 1; 25 (47): 1-126.

BackgroundVenous access devices are used for patients receiving long-term chemotherapy. These include centrally inserted tunnelled catheters or Hickman-type devices (Hickman), peripherally inserted central catheters (PICCs) and centrally inserted totally implantable venous access devices (PORTs).ObjectivesTo evaluate the clinical effectiveness, safety, cost-effectiveness and acceptability of these devices for the central delivery of chemotherapy.DesignAn open, multicentre, randomised controlled trial to inform three comparisons: (1) peripherally inserted central catheters versus Hickman, (2) PORTs versus Hickman and (3) PORTs versus peripherally inserted central catheters. Pre-trial and post-trial qualitative research and economic evaluation were also conducted.SettingThis took place in 18 UK oncology centres.ParticipantsAdult patients (aged ≥ 18 years) receiving chemotherapy (≥ 12 weeks) for either a solid or a haematological malignancy were randomised via minimisation.InterventionsHickman, peripherally inserted central catheters and PORTs.Primary OutcomeA composite of infection (laboratory confirmed, suspected catheter related and exit site infection), mechanical failure, venous thrombosis, pulmonary embolism, inability to aspirate blood and other complications in the intention-to-treat population.ResultsOverall, 1061 participants were recruited to inform three comparisons. First, for the comparison of peripherally inserted central catheters (n = 212) with Hickman (n = 212), it could not be concluded that peripherally inserted central catheters were significantly non-inferior to Hickman in terms of complication rate (odds ratio 1.15, 95% confidence interval 0.78 to 1.71). The use of peripherally inserted central catheters compared with Hickman was associated with a substantially lower cost (-£1553) and a small decrement in quality-adjusted life-years gained (-0.009). Second, for the comparison of PORTs (n = 253) with Hickman (n = 303), PORTs were found to be statistically significantly superior to Hickman in terms of complication rate (odds ratio 0.54, 95% confidence interval 0.37 to 0.77). PORTs were found to dominate Hickman with lower costs (-£45) and greater quality-adjusted life-years gained (0.004). This was alongside a lower complications rate (difference of 14%); the incremental cost per complication averted was £1.36. Third, for the comparison of PORTs (n = 147) with peripherally inserted central catheters (n = 199), PORTs were found to be statistically significantly superior to peripherally inserted central catheters in terms of complication rate (odds ratio 0.52, 95% confidence interval 0.33 to 0.83). PORTs were associated with an incremental cost of £2706 when compared with peripherally inserted central catheters and a decrement in quality-adjusted life-years gained (-0.018) PORTs are dominated by peripherally inserted central catheters: alongside a lower complications rate (difference of 15%), the incremental cost per complication averted was £104. The qualitative work showed that attitudes towards all three devices were positive, with patients viewing their central venous access device as part of their treatment and recovery. PORTs were perceived to offer unique psychological benefits, including a greater sense of freedom and less intrusion in the context of personal relationships. The main limitation was the lack of adequate power (54%) in the non-inferiority comparison between peripherally inserted central catheters and Hickman.ConclusionsIn the delivery of long-term chemotherapy, peripherally inserted central catheters should be considered a cost-effective option when compared with Hickman. There were significant clinical benefits when comparing PORTs with Hickman and with peripherally inserted central catheters. The health economic benefits were less clear from the perspective of incremental cost per quality-adjusted life-years gained. However, dependent on the willingness to pay, PORTs may be considered to be cost-effective from the perspective of complications averted.Future WorkThe deliverability of a PORTs service merits further study to understand the barriers to and methods of improving the service.Trial RegistrationThis trial is registered as ISRCTN44504648.FundingThis project was funded by the National Institute for Health Research (NHIR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 25, No. 47. See the NIHR Journals Library website for further project information.

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