Transfusion in Gastrointestinal Bleeding (TRIGGER)

D

Dr Vipul Jairath

Status and phase

Completed
Phase 3
Phase 2

Conditions

Gastrointestinal Hemorrhage

Treatments

Other: Liberal Transfusion Policy
Other: Restrictive transfusion policy

Study type

Interventional

Funder types

Other

Identifiers

NCT02105532
10-09-CSU
ID 12078 (Other Identifier)

Details and patient eligibility

About

Aim: To evaluate the feasibility and safety of a restrictive versus liberal red blood cell (RBC) transfusion policy in adult patients admitted with Acute Upper Gastrointestinal Bleeding (AUGIB) in order to inform the design of a definitive phase III randomised controlled trial.

Full description

Trial overview: TRIGGER is a pragmatic trial aiming to recruit adult patients admitted with all cause AUGIB (non-variceal and variceal). The study will take place in six United Kingdon hospitals and they will be randomly allocated to a transfusion policy at the cluster level; three sites will be allocated to a restrictive transfusion policy and three to a liberal transfusion policy. Given the challenges that will be involved in early recruitment and cross-speciality care, a feasibility study is essential to determine whether a sufficient proportion of eligible patients can be recruited into the trial and that clinicians can adhere to the allocated transfusion policy. Recruitment will operate for 6 months in total. The investigators will compare recruitment rate, protocol adherence, clinical characteristics of patients recruited, exposure to RBC transfusions and the difference in Hb concentrations between the restrictive and liberal transfusion policies. The investigators will collect important clinical outcomes which the investigators anticipate being central to the phase III trial, including 28-day mortality, further bleeding rates and serious adverse events between the restrictive and liberal transfusion policies. The investigators will also collect data to enable us to plan a health economic evaluation and quality of life assessment for the phase III trial.

Enrollment

936 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Adults aged 18 or over years presenting with AUGIB, defined by haematemesis or melaena.

Exclusion criteria

  • Patients with whom the responsible clinician considers there is a need for immediate RBC transfusion prior to obtaining or regardless of the initial Hb result due to severity of bleeding.
  • Existing hospital in-patients who develop AUGIB.

Trial design

936 participants in 2 patient groups

Restrictive Transfusion Policy
Active Comparator group
Description:
Participants allocated to this group will be eligible for transfusion once their Hb level is ≤ 8 g/dL after presentation to hospital. The objective for the attending clinician is to maintain the Hb level between 8.1-10 g/dL for the duration of hospital stay.
Treatment:
Other: Restrictive transfusion policy
Liberal Transfusion Policy
Active Comparator group
Description:
Participants allocated to this group will be eligible for transfusion once their Hb level is ≤ 10 g/dL after presentation to hospital. The objective for the attending clinician is to maintain the Hb level between 10.1-12 g/dL for the duration of hospital stay.
Treatment:
Other: Liberal Transfusion Policy

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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