NCT03796156

Brief Summary

This study aims to find out whether people with chronic kidney disease \[CKD\] should take low dose aspirin to reduce the risk of first heart attack or stroke (cardiovascular disease \[CVD\]). CKD is common and is associated with an increased risk of CVD. CVD is caused by small blood clots and aspirin thins the blood to reduce the risk of such clots developing but it also increases the risk of bleeding. Aspirin is recommended to prevent further CVD in people who have already had a first CVD event (so called secondary prevention). Here the investigators want to study the use of aspirin as primary prevention in people with CKD who have not had a CVD to prevent the first event, to assess whether the potential benefits exceed the risks. Eligible patients will be recruited from their United Kingdom (UK) general practices and allocated by chance to be prescribed once daily low dose aspirin or usual care only. Follow-up will be for several years both electronically (for general practice, hospital and mortality data) and by annual questionnaires to ascertain CVD and bleeding events.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
4,633

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Feb 2019

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 20, 2018

Completed
19 days until next milestone

First Posted

Study publicly available on registry

January 8, 2019

Completed
2 months until next milestone

Study Start

First participant enrolled

February 25, 2019

Completed
5.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2024

Completed
12 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 23, 2025

Completed
Last Updated

March 20, 2026

Status Verified

March 1, 2026

Enrollment Period

5.6 years

First QC Date

December 20, 2018

Last Update Submit

March 17, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of participants with a Major vascular event: Composite outcome of non-fatal myocardial infarction, non-fatal stroke and cardiovascular death (excluding confirmed intracranial haemorrhage and other fatal cardiovascular haemorrhage)

    Acute MI defined according to the Third Universal Definition of myocardial infarction (MI). Acute stroke defined in accordance with the World Health Organization (WHO) definition as "rapidly developing clinical signs of focal (or global) disturbance of cerebral function, with symptoms lasting 24 hours or longer, with no apparent cause other than of vascular origin". This excludes cases of primary cerebral tumour, cerebral metastasis, subdural haematoma, post-seizure palsy, brain trauma and TIA. Haemorrhagic stroke (fatal and non-fatal) including intracerebral haemorrhage and SAH which has been confirmed on appropriate imaging is excluded from the primary composite endpoint and included within the secondary endpoints.

    Over average 4 years follow-up

Secondary Outcomes (11)

  • Number of participants dying from any cause

    Average 4 years follow-up

  • Number of participants with major vascular events plus revascularisation

    Average 4 years follow-up

  • Number of participants with Non-fatal myocardial infarction

    Average 4 years follow-up

  • Health-related quality of life, mean utility score

    Average 4 years follow-up

  • Number of participants with intra-cranial haemorrhage, fatal and non fatal major extra cranial haemorrhage

    Average 4 years follow-up

  • +6 more secondary outcomes

Other Outcomes (8)

  • Number of participants with transient ischaemic attack

    Average 4 years follow-up

  • Number of Unplanned hospitalisations per participant

    Average 4 years follow-up

  • Number of participants with new diagnosis of cancer

    Average 4 years follow-up

  • +5 more other outcomes

Study Arms (2)

Aspirin

EXPERIMENTAL

75mg of non enteric coated or dispersible aspirin once daily added to usual medications

Drug: Aspirin

Usual care

NO INTERVENTION

Usual medications only

Interventions

75mg low dose non enteric coated or dispersible

Aspirin

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Males and females aged 18 years and over at the date of screening
  • Subjects with CKD (reduced eGFR and/or albuminuria) defined as: • estimated glomerular filtration rate \[eGFR\] \<60mL/min/1.73m2 for at least 90 days, and/or • kidney disease code on the GP electronic patient AND most recent eGFR in CKD-defining range (\<60mL/min/1.73m2), and/or • albuminuria or proteinuria (defined as urine albumin:creatinine ratio \[ACR\] ≥3mg/mmol, and/or urine protein:creatinine ratio \[PCR\] ≥15mg/mmol, and/or +protein or greater on reagent strip)
  • Subjects who are willing to give permission for their paper and electronic medical records to be accessed by trial investigators
  • Subjects who are willing to be contacted and interviewed by trial investigators
  • Subjects who can communicate well with the investigator or designee, understand the requirements of the study and understand and sign the written informed consent

You may not qualify if:

  • Subjects with CKD GFR category 5
  • Subjects with pre-existing cardiovascular disease (angina, myocardial infarction, stroke, transient ischaemic attack (TIA), significant peripheral vascular disease, coronary or peripheral revascularisation for atherosclerotic disease)
  • Subjects with a current pre-existing condition associated with increased risk of bleeding other than CKD
  • Subjects currently prescribed anticoagulants or antiplatelet agent, or taking over the counter (OTC) aspirin continuously
  • Subjects who are currently and regularly taking other drugs with a potentially serious interaction with aspirin
  • Subjects with a known allergy to aspirin or definite previous clinically important adverse reaction
  • Subjects with poorly controlled hypertension (systolic blood pressure \[BP\] ≥180 mmHg and/or diastolic BP ≥105 mmHg)
  • Subjects with other conditions which in the opinion of their General Practitioner (GP) would preclude prescription of aspirin in routine clinical practice, for example significant anaemia or thrombocytopenia
  • Subjects who are pregnant or likely to become pregnant during the study period
  • Subjects with malignancy that is life-threatening or likely to limit prognosis, other life-threatening co-morbidity, or terminal illness
  • Subjects whose behaviour or lifestyle would render them less likely to comply with study medication
  • Subjects in prison
  • Subjects currently participating in another clinical trial of an investigational medicinal product or who have taken part in such a trial in the last three months (Covid-19 vaccine studies are acceptable)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Nottingham Clinical Trials Unit

Nottingham, NG7 2RD, United Kingdom

Location

Related Publications (2)

  • Gallagher H, Dumbleton J, Maishman T, Whitehead A, Moore MV, Fuat A, Fitzmaurice D, Henderson RA, Lord J, Griffith KE, Stevens P, Taal MW, Stevenson D, Fraser SD, Lown M, Hawkey CJ, Roderick PJ. Aspirin to target arterial events in chronic kidney disease (ATTACK): study protocol for a multicentre, prospective, randomised, open-label, blinded endpoint, parallel group trial of low-dose aspirin vs. standard care for the primary prevention of cardiovascular disease in people with chronic kidney disease. Trials. 2022 Apr 21;23(1):331. doi: 10.1186/s13063-022-06132-z.

  • Natale P, Palmer SC, Saglimbene VM, Ruospo M, Razavian M, Craig JC, Jardine MJ, Webster AC, Strippoli GF. Antiplatelet agents for chronic kidney disease. Cochrane Database Syst Rev. 2022 Feb 28;2(2):CD008834. doi: 10.1002/14651858.CD008834.pub4.

MeSH Terms

Conditions

Renal Insufficiency, ChronicCardiovascular DiseasesHemorrhage

Interventions

Aspirin

Condition Hierarchy (Ancestors)

Renal InsufficiencyKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

SalicylatesHydroxybenzoatesPhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Hugh Gallagher, MD

    Epsom and St Helier University Hospitals NHS Trust

    PRINCIPAL INVESTIGATOR
  • Simon Fraser, MD

    University of Southampton

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Adjudication of outcomes blinded
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 20, 2018

First Posted

January 8, 2019

Study Start

February 25, 2019

Primary Completion

September 30, 2024

Study Completion

September 23, 2025

Last Updated

March 20, 2026

Record last verified: 2026-03

Locations