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Browse 47,334 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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Showing 17641-17660 of 47,334 trials
NCT06367712
Letrozole is a chemical compound, CGS 20267 which is a third-generation, nonsteroidal aromatase inhibitor. Letrozole blocks estrogen synthesis by directly affecting the hypothalamic-pituitary-ovarian axis, subsequently, increases gonadotropins which increase pregnancy rates. Possible positive outcomes of aromatase inhibitors over selective estrogen-receptor modulators include a more physiologic hormonal stimulation of the endometrium which increases receptivity, a lower multiple-pregnancy through single follicle growth, a lesser side-effect especially vasomotor and mood symptoms, and more prompt clearance from blood, hence, reducing the probabilities of periconceptional exposure
NCT05288894
The CMR/CT WG of the Italian pediatric cardiology society set up a multi-center observational clinical database of repaired-TOF evaluated. This registry will enroll prospectively patients evaluated by CMR for clinical indication in most of the CHD Italian centers. Data collection will include surgical history, clinical data, imaging data, and also adverse cardiac events for a period of 6 years.
NCT05235815
Thoracic paravertebral block (TPVB) is a regional anaesthetic technique that produces ipsilateral, segmental, somatic and sympathetic nerve blockade of multiple contiguous thoracic dermatomes. Although it is a safe technique, the needle tip comes close to the pleura during the injection, therefore, increasing the potential for pleural puncture and pneumothorax, especially when performed by inexperienced physicians. With the recently described retro superior costotransverse ligament (SCTL) compartment (using MRI) which has been shown to be in direct continuity with the intervertebral foramen, the investigators propose that the block needle need not pierce the SCTL and lie close to the pleura but can be positioned safely behind the ligament to deposit the local anaesthetic (LA). Therefore, this study aims to describe the sonoanatomy of the retro SCTL compartment and evaluate the block injection technique and sensory dynamics in patients scheduled for video-assisted thoracoscopic surgery (VATS).