NCT01579123.

Study name	Laser atherectomy versus angioplasty for the treatment of critical limb ischaemia
Methods	Randomised, single blind (participant), parallel controlled trial
Participants	200 participants Inclusion criteria: 18 years of age and older; male or female (non‐pregnant women); participants with PAD that has progressed to CLI; participants undergoing angiography with possible intervention for Rutherford Class 4 to 6 limb ischaemia that may benefit from revascularisation.
Interventions	Angioplasty versus laser atherectomy
Outcomes	Primary outcome measure: difference in patency rates (one year)
Starting date	February 2012
Contact information	William Shutze, MD Baylor Jack and Jane Hamilton Heart Hospital
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