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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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NCT05735015
Background: Parathyroid glands in the neck make a hormone that keeps blood calcium levels stable. Sometimes these glands are damaged or removed during neck surgery. This can lead to a condition called postsurgical hypoparathyroidism (PSH). People with PSH have low levels of calcium in their blood. Calcium and vitamin D pills can help them keep their blood calcium levels steady. But this can increase calcium in the urine and result in kidney problems. New treatments for PSH are needed. Objective: To test a drug (encaleret) in people with PSH. Eligibility: People aged 18 or older who have PSH. Design: Participants will be in the study for 6 months. They will have a screening visit and a treatment visit. Screening will take up to 2 days. Participants will have a physical exam. They will have blood and urine tests and tests of their heart function. They will have an ultrasound of their kidneys; they will lie on a table for 15 to 30 minutes while a wand is moved over their back. Treatment will require participants to stay in the clinic for 7 days and 6 nights. They will take the study drug (encaleret) by mouth twice a day for 5 days. They will have a small, flexible tube inserted into a vein; this will remain in place during the visit. Blood samples will be taken through the tube 4 to 9 times each day. Participants urine will be collected. Participants will have follow-up blood tests one (1) week after leaving the clinic. They will have three (3) follow-up phone calls.
NCT07269444
Osteoarthritis (OA) is a degenerative joint disease characterized by the progressive degeneration of articular cartilage resulting from the interaction of genetic, metabolic, and biochemical factors and is often accompanied by secondary inflammation. This condition represents a pathological process involving the dynamic interaction of cartilage degradation and repair mechanisms affecting the cartilage, subchondral bone, and synovium. Osteoarthritis is the most common joint disease worldwide and represents one of the leading causes of physical disability. Pain is the most prominent symptom of osteoarthritis. It typically increases with activity and decreases with rest. As the disease progresses, pain may occur with minimal activity and can eventually be present at rest and during the night. The knee joint is a synovial joint formed between the femoral condyles and the tibia. Sensory innervation of the knee joint is provided by branches of the femoral, obturator, and sciatic nerves. Pain associated with knee osteoarthritis is a common clinical problem that can lead to functional limitation and reduced quality of life. In many patients with chronic knee pain due to osteoarthritis, pharmacological treatments and/or physical therapy may not provide sufficient analgesia. Knee arthroplasty is the most frequently used treatment option for advanced knee osteoarthritis; however, it may not be suitable for some patients because of comorbidities. Currently, one of the most commonly used interventional treatment methods for pain control in knee osteoarthritis is intra-articular steroid injection. This treatment reduces synovial inflammation and may slow disease progression. However, repeated steroid injections may provide only short-term pain relief and may also contribute to cartilage degeneration. In recent years, alternative interventional approaches for the management of osteoarthritis-related knee pain have gained increasing attention. The nerves responsible for knee joint pain originate from both the anterior and posterior aspects of the joint. The IPACK (infiltration between the popliteal artery and the capsule of the knee) block is a simple and practical technique performed under ultrasound guidance. Although it is primarily intended to block the posterior articular innervation of the knee, cadaveric studies suggest that the anterior genicular nerves may also be affected. Therefore, the IPACK block may serve as an alternative treatment option for providing additional analgesia in patients with advanced knee osteoarthritis. The aim of this study was to investigate the effects of an IPACK block combined with intra-articular steroid injection on pain scores in patients with chronic knee osteoarthritis.