Objective: To assess the effectiveness and cost effectiveness of cTBS treatment in promoting upper limb recovery after stroke in patients admitted to a rehabilitation center. Study design: A phase III, multi-center, double-blind, randomized, sham-controlled, clinical trial. Study population: 454 patients aged 18 years or older with a first-ever ischemic stroke or intracerebral hemorrhage and a unilateral arm paresis, defined by a Motricity Index between 9 and 99, in whom cTBS treatment can be started within 3 weeks after stroke onset. Intervention: 10 daily sessions of cTBS delivered over the contralesional primary motor cortex during a period of 2 weeks, delivered immediately before regular care physical therapy of the affected upper limb. Main study parameters/endpoints: The primary endpoint will be the score on the upper extremity section of the Fugl-Meyer assessment (FM-UE) at 90 days after stroke. Secondary endpoints will include the score on the FM-UE at one year and the scores on the Action Research Arm Test, Nine Hole Peg Test, Stroke Impact Scale, EuroQol 5 Dimensions and modified Rankin Scale at 90 days and one year after stroke