This is a prospective randomized controlled trial. The aim of this study is to compare the clinical results and complications of self-locking biceps tenodesis and double-loop 360 lasso biceps tenodesis for the treatment of pathology of the long head of the biceps or superior labrum anterior-posterior (SLAP) during shoulder arthroscopy in patients without arthroscopic rotator cuff tears. Currently, there is no consensus on the use of tenodesis versus tenotomy to treat pathology of the long head of the biceps during arthroscopic rotator cuff repair. Numerous studies have examined the clinical results of long biceps tenotomy versus long biceps tenodesis, and there is no evidence to date of superiority of either technique. However, these studies were carried out on patients with rotator cuff tears, and so it has not been possible to directly compare the two procedures. At Clinique Générale, we use a new, innovative technique called autobloc tenodesis to treat pathologies of the long head of the biceps. There are no comparative studies between autobloc tenodesis of the biceps and biceps tenodesis in patients without rotator cuff tears. Given its potential advantages, autobloc biceps tenodesis could become the new technique of choice for treating biceps longus tendon pathology, potentially reducing differences in outcomes such as Popeye deformity. The information provided by this study could potentially guide future clinical practice, helping surgeons choose the most appropriate treatment for their patients with long biceps tendon pathology.