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Danicopan, sold under the brand name Voydeya, is a medication used for the treatment of paroxysmal nocturnal hemoglobinuria. It is a complement inhibitor which reversibly binds to factor D to prevent alternative pathway-mediated hemolysis and deposition of complement C3 proteins on red blood cells. The most common side effects include fever, headache, increased levels of liver enzymes (a sign ...
The sucrose lysis test is a diagnostic laboratory test used for diagnosing paroxysmal nocturnal hemoglobinuria (PNH), as well as for hypoplastic anemias and any hemolytic anemia with an unclear cause. [1] The test works by using sucrose, which creates a low ionic strength environment that allows complement to bind to red blood cells. [1]
Hemoglobinuria is a condition in which the oxygen transport protein hemoglobin is found in abnormally high concentrations in the urine. [1] The condition is caused by excessive intravascular hemolysis , in which large numbers of red blood cells (RBCs) are destroyed, thereby releasing free hemoglobin into the plasma . [ 2 ]
Paroxysmal nocturnal hemoglobinuria (PNH), sometimes referred to as Marchiafava-Micheli syndrome, is a rare, acquired, potentially life-threatening disease of the blood characterized by complement-induced intravascular hemolytic anemia. [19] Lead poisoning resulting from the environment causes non-immune hemolytic anemia. [20]
CHAPLE syndrome is characterized by complement-mediated autoimmune hemolysis and paroxysmal nocturnal hemoglobinuria.The protein CD55 (also called decay-accelerating factor) helps to regulate the complement cascade, part of the innate immune system, by regulating the amplification phase.
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Paroxysmal cold hemoglobinuria [2] Drug-induced autoimmune hemolytic anemia [2] Alloimmune hemolytic anemia [1] Hemolytic disease of the newborn (HDN) [1] Rh disease (Rh D) [1] ABO hemolytic disease of the newborn [1] Anti-Kell hemolytic disease of the newborn [1] Rhesus c hemolytic disease of the newborn [1] Rhesus E hemolytic disease of the ...
Medications such as dacarbazine, pregnancy, trauma or recent abdominal surgery are other causes. [18] People who have paroxysmal nocturnal hemoglobinuria (PNH) appear to be especially at risk for Budd–Chiari syndrome, more than other forms of thrombophilia: up to 39% develop venous thromboses, [19] and 12% may acquire Budd–Chiari. [20]