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Is, in infertile women undergoing a basic fertility work-up, tubal flushing with oil-based contrast medium during hysterosalpingography (HSG) cost-effective compared to tubal flushing by hysterosalpingo-foam sonography (HyFoSy)? A randomized controlled trial.

The main objective of this study is to determine whether tubal flushing with oil-based contrast during HSG results into more pregnancies leading to live births when compared to tubal flushing with ExEm-foam during HyFoSy, and whether this approach…

The prospective data collection initiative on on small bowel, colorectal and anal cancer - a prospective observational cohort study.

The main objectives of this project are:- To start a prospective observational cohort study of patients who have been diagnosed with CRC, small bowel and anal cancer and follow them from time of diagnosis until death.- To prospectively collect data…

The safety and cost-effectiveness of discontinuing disease-modifying therapies in stable relapsing-onset multiple sclerosis (DOT-MS): a randomized rater-blinded multicenter trial.

The aim of this study is to identify whether it is possible to safely discontinue treatment in stable RRMS patients who have shown no evidence of active inflammation in the years prior to inclusion in terms of the return of inflammatory disease…

Optimal postoperative chest tube and pain management in patients surgically treated for primary spontaneous pneumothorax; a randomized controlled trial.

Our objective is to compare the efficacy of early chest tube removal combined with single-shot PVB versus standard treatment (chest tube for at least 3 days and thoracic epidural analgesia (TEA)) after surgery for PSP. Efficacy is defined as…

PreventPAP trial

To compare postamputation pain (phantom limb pain and residual limb pain) one year postoperatively in patients receiving a lower extremity amputation with standard neurectomy versus those who received targeted muscle reinnervation.