Clinical Research Directory

Inclusion Criteria: * Male or female patient aged 18 to 75, * Patient with unilateral De Quervain's tenosynovitis, * Patient cared in the Hand Surgery Department, SOS Mains Emergency Department or Rheumatology Department of Strasbourg University Hospitals, * Patient informed of the results of the prior medical examination, * Informed consent signed by the patient, * Patient affiliated to a health insurance social protection scheme or beneficiary, * For a woman of childbearing potential, negative urine pregnancy test at the inclusion visit and maintenance of effective contraception throughout the study. Exclusion Criteria: * Pregnant or breastfeeding patient, * Patient allergic to a component of the gel with essential oils, Dicloflenac®, NSAIDs, or one of the excipients * Patient treated with oral non-steroidal anti-inflammatory drugs * Patient with ongoing treatment with another ointment at the treatment application site (radial edge of the wrist) * Patient with damaged skin, whatever the lesion: oozing dermatosis, eczema, infected lesion, burn or wound, * Patient with atopic skin disease, * Patient with epilepsy or with a history of epilepsy, * Patient with a history of homolateral De Quervain's tenosynovitis, or having already had corticosteroid infiltrations in the 6 months before his inclusion on the ipsilateral side of the pathology, * Patient with associated tendinopathies in the elbow or forearm region, * Impossibility of giving the patient information (patient in an emergency situation, patient with difficulties of understandin, agitation of the patient), * Patient under legal protection, under guardianship or curatorship.