Clinical and Cost Effectiveness of ACE Inhibitor, Ramipril, in Intermittent Claudicants

NCT ID: NCT01037530

Last Updated: 2014-12-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

33 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-12-31

Study Completion Date

2012-12-31

Brief Summary

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The investigators are conducting a randomised controlled trial to investigate the clinical and cost effectiveness of Ramipril which is an anti-hypertensive medication in patients with intermittent claudication. The investigators aim to recruit 78 participants in total. The investigators will randomise the 78 participants into two groups: Ramipril group with 39 participants and Placebo group with 39 participants. The investigators will measure Ramipril's effect on walking by doing a simple treadmill test and measuring the maximum walking distance the participant can walk. The investigators also want to examine Ramipril's effect on arterial function, cardiovascular prognosis, quality of life and cost effectiveness.

Detailed Description

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Conditions

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Intermittent Claudicants

Keywords

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ACE inhibitors Intermittent claudication Ramipril

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Ramipril

Group Type EXPERIMENTAL

Ramipril

Intervention Type DRUG

5 mg/day for 2 weeks then 10 mg/day for 22 weeks

Interventions

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Ramipril

5 mg/day for 2 weeks then 10 mg/day for 22 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients with unilateral or bilateral intermittent leg claudication which was stable for the last 6 months.
* Patients with ABPI \< 0.9 at rest at least in one leg.
* BP ≤ 160/90 and a stable medication regimen for the last 6 months.
* Able to give informed consent
* Able to comply with study protocol

Exclusion Criteria

* Documented bilateral renal artery stenosis
* Unlikely to be compliant with medication or follow up as determined by the recruiting institution.
* Pregnancy
* Patients with critical limb ischemia (This includes patients with ischaemic rest pain and ulceration \> 2 weeks and/or a resting ankle pressure \< 50mmHg- Grades II and III according to Rutherford et al 1997.\[56\].
* Patients who had a recent (less than 3 months) angioplasty or bypass surgery
* Patients who are unable to perform a treadmill test due to a limiting heart, respiratory or arthritic disease
* History of angioneurotic oedema
* Currently taking ACE inhibitor or Angiotensin receptor blocker
* Contraindication to ACE inhibitor
* History of ACE inhibitor intolerance
* A creatinine rise of \> 30% from baseline and/or Potassium \> 5.9 mmol/l
* Unwillingness to participate.
* Level 1 evidence for ACE inhibitor treatment, including:
* Documented heart failure, left ventricular dysfunction or ejection fraction \<35% on previous echocardiography

* Uncontrolled hypertension, BP \> 160mmHg systolic or 100mmHg diastolic on 3 separate readings measured after 10 minutes rest on 2 separate occasions
* Recent (\< 3months) myocardial infarction or stroke
* Chronic renal impairment (serum creatinine \> 250 micromol/l)
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Daniel Carradice

OTHER

Sponsor Role lead

Responsible Party

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Daniel Carradice

Clinical Lecturer

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Ian Chetter, MD, FRCS

Role: PRINCIPAL_INVESTIGATOR

University of Hull

Locations

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Hull and East Yorkshire Hospitals

Hull, Yorkshire, United Kingdom

Site Status

Countries

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United Kingdom

References

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Shahin Y, Cockcroft JR, Chetter IC. Randomized clinical trial of angiotensin-converting enzyme inhibitor, ramipril, in patients with intermittent claudication. Br J Surg. 2013 Aug;100(9):1154-63. doi: 10.1002/bjs.9198.

Reference Type RESULT
PMID: 23842829 (View on PubMed)

Related Links

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Other Identifiers

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2009-016600-23

Identifier Type: REGISTRY

Identifier Source: secondary_id

05102009

Identifier Type: -

Identifier Source: org_study_id