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临床试验/2024-517308-13-00
2024-517308-13-00招募中4 期

Early oral step-down antibiotic therapy versus continuing intravenous therapy for uncomplicated Gram-negative bacteraemia (the INVEST trial)

Tan Tock Seng Hospital Pte. Ltd.6 个研究点 分布在 3 个国家目标入组 150 人开始时间: 2025年4月30日最近更新:

试验速览

阶段
4 期
状态
招募中
发起方
入组人数
150
试验地点
6
主要终点
Compare the all-cause mortality at day 30 post-randomisation in patients from the standard arm versus intervention arm.

研究概览

简要总结

To investigate if the early step-down to oral fluoroquinolones or trimethoprim-sulfamethoxazole will be clinically non-inferior to continuing IV antibiotic therapy in the primary outcome of 30-day all-cause mortality

研究设计

分配方式
Randomized
主要目的
Invest Trial
盲法
None

入排标准

年龄范围
18 years 至 65+ years(18-64 Years, 65+ Years)
接受健康志愿者

入选标准

  • ≥1 set of blood cultures positive for GNB associated with evidence of infection
  • Able to be randomised within 72 hours of index blood culture collection
  • Age ≥18 years (≥21 in Singapore)
  • Latest Pitt bacteraemia score <4
  • Patient or legal representative is able to provide informed consent

排除标准

  • Established uncontrolled focus of infection (e.g. undrained abdominal abscess)
  • Severely immunocompromised
  • Women who are known to be pregnant or breast-feeding
  • Treatment is not with intent to cure the infection (i.e. palliative care)
  • Unable to collect patient’s follow-up data for at least 30 days post-randomisation
  • Treating doctor deems enrolment into trial is not in the best interest of the patient
  • Previous enrolment in this trial
  • Complicated infections (e.g. necrotising fasciitis)
  • Septic shock
  • Polymicrobial bacteraemia
  • Bacteraemia due to vascular catheter or intravascular materials that cannot be removed
  • Specific Gram-negative pathogens that cannot be effectively treated with fluoroquinolones or trimethoprim-sulfamethoxazole (e.g. Burkholderia, Brucella)
  • Index GNB with resistance to fluoroquinolones AND trimethoprim-sulfamethoxazole
  • Hypersensitivity to fluoroquinolones AND sulpha drugs
  • Unable to consume or absorb oral medications for any reason or unsuitable for ongoing IV therapy (e.g. no intravenous access)

结局指标

主要结局

Compare the all-cause mortality at day 30 post-randomisation in patients from the standard arm versus intervention arm.

Compare the all-cause mortality at day 30 post-randomisation in patients from the standard arm versus intervention arm.

次要结局

  • Compare between standard and intervention arms: All-cause mortality at days 14 and 90 from the time of randomisation
  • Duration of survival from the time of randomisation until day 90
  • Number of days on IV antibiotic therapy in the total index hospitalisation (including outpatient parenteral antibiotic therapy [OPAT]) for surviving participants from the time of randomisation until i. hospital discharge and ii. day 90
  • Number of days alive and free of antibiotics (i. for all antibiotics and ii. for IV antibiotics) between the time of randomisation and day 90
  • Adverse events from the time of randomisation until day 90 including: C. difficile-associated diarrhoea Peripherally inserted central catheter and other central venous catheter complications requiring line removal during index hospitalisation from the time of randomisation Liver function test abnormalities or kidney injury
  • Change in treatment strategy (e.g. switch to IV antibiotics from allocated oral antibiotics or vice versa) between the time of randomisation and day 30 due to: An adverse event deemed by the treating doctor to be of sufficient severity to change treatment strategy Presumed lack of efficacy of treatment strategy according to the judgement of treating doctor
  • Time to being discharged alive from the total index hospitalisation (including OPAT and hospital in the home) between the time of randomisation and day 90 (note: any death occurrence within 90 days will be considered ‘90 days’)
  • Number of days alive and not in hospital (including OPAT) between the time of randomisation and day 90
  • Readmission or extended hospitalisation by day 90. Readmission is defined as a new hospitalisation for any cause or a return to ambulatory hospital services occurring after discharge from the index hospitalisation. Extended hospitalisation is defined as >14 days of hospital LOS starting from the day of randomisation.
  • Health economic evaluation, including estimation of total healthcare cost (from healthcare system and patient perspective)* and assessment of patient’s quality of life via EQ-5D by day 90 *Cost savings/effectiveness analyses will be performed in selected hospital sites

研究者

发起方
Tan Tock Seng Hospital Pte. Ltd.
申办方类型
Hospital/Clinic/Other health care facility
责任方
Principal Investigator
主要研究者

Prof David Lye

Scientific

Tan Tock Seng Hospital Pte. Ltd.

研究点 (6)

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