Regeneron Pharmaceuticals
Clinical trials sponsored by Regeneron Pharmaceuticals, explained in plain language.
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COVID antibody drug for kids study ends early after just 2 patients
Disease control TerminatedThis study tested a single dose of two monoclonal antibodies (casirivimab+imdevimab) given intravenously to children hospitalized with COVID-19. The goal was to measure how the drug behaves in the body and check for side effects. Only 2 children were enrolled before the study was…
Phase: PHASE1 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 01:04 UTC
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Experimental lung cancer drug trial halted early
Disease control TerminatedThis study tested an experimental drug, REGN5093-M114, for people with advanced non-small cell lung cancer that has too much MET protein. The goal was to find a safe dose and see if the drug could shrink tumors, either alone or with another drug called cemiplimab. The study was t…
Phase: PHASE1 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 01:02 UTC
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COVID-19 antibody combo study halted early
Disease control TerminatedThis study tested a combination of two antibodies (REGN14256 and imdevimab) in adults with mild COVID-19 who were not at high risk for severe illness. The goal was to see if the treatment was safe and could reduce the amount of virus in the body. The study was stopped early, and …
Phase: PHASE1, PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 01:00 UTC
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New hope for stubborn high blood pressure? experimental drug tested
Disease control TerminatedThis study tested an experimental drug called REGN5381 in 34 adults whose high blood pressure remained high despite taking one or more standard medications. The goal was to see if the drug could safely lower blood pressure further. The study was stopped early, so results are limi…
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 00:51 UTC
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New drug hope for bone marrow failure patients
Disease control TerminatedThis study tested an experimental drug called REGN7257 in 17 people with severe aplastic anemia, a condition where the bone marrow stops making enough blood cells. The drug aims to help patients whose disease did not improve or came back after standard immune-suppressing treatmen…
Phase: PHASE1 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 00:51 UTC
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COVID antibody study in kids halted after just 7 participants
Disease control TerminatedThis study tested a single shot of two lab-made antibodies (casirivimab and imdevimab) in children under 12 who are at high risk for severe COVID-19. The goal was to measure how long the antibodies stay in the blood and check for side effects. Only 7 children took part before the…
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 17, 2026 00:50 UTC
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Experimental Dual-Targeting CAR t therapy for lymphoma shows early promise but trial halted
Disease control TerminatedThis early-phase study tested a new treatment called bbT369 for people with a type of blood cancer (B cell non-Hodgkin's lymphoma) that had come back or stopped responding to standard treatments. The therapy uses a patient's own immune cells, which are modified in a lab to better…
Phase: PHASE1 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 15, 2026 11:56 UTC
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Promising drug for rare fat disorder trial halted early
Disease control TerminatedThis study tested a drug called REGN4461 in 20 people with a rare condition called familial partial lipodystrophy, which causes abnormal fat storage and serious metabolic issues like high triglycerides and blood sugar. The trial was split into two groups based on leptin levels an…
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 14, 2026 12:14 UTC
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Heart failure drug trial halted midway
Disease control TerminatedThis study tested a single dose of an experimental drug called REGN5381 in 89 people with chronic heart failure whose hearts pump less blood than normal. The goal was to check safety, side effects, and how the drug affects heart stress markers. The study was terminated early, so …
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 13, 2026 16:02 UTC
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Promising combo cancer therapy trial halted early
Disease control TerminatedThis study tested whether injecting a drug called vidutolimod directly into tumors, combined with an intravenous immunotherapy (cemiplimab), could shrink or control advanced cancers like Merkel cell carcinoma, skin cancer, breast cancer, and lung cancer. The trial enrolled 77 adu…
Phase: PHASE2 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 11, 2026 20:50 UTC
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Engineered immune cells take aim at Hard-to-Treat prostate cancer
Disease control TerminatedThis study tested a new treatment called BPX-601 for people with advanced prostate cancer that had stopped responding to other therapies. The treatment uses a patient's own immune cells, which are modified in a lab to better recognize and attack cancer cells. The main goals were …
Phase: PHASE1 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 11, 2026 20:49 UTC
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Melanoma combo therapy trial halted early after 20 patients
Disease control TerminatedThis study tested whether adding an experimental drug (CMP-001) injected directly into tumors to the standard immunotherapy nivolumab works better than nivolumab alone for people with advanced melanoma that cannot be removed by surgery or has spread. The trial was stopped early a…
Phase: PHASE2, PHASE3 • Sponsor: Regeneron Pharmaceuticals • Aim: Disease control
Last updated May 05, 2026 11:55 UTC
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COVID prevention shot for vulnerable patients halted early
Prevention TerminatedThis study tested whether a combination of two lab-made antibodies (casirivimab and imdevimab) could prevent symptomatic COVID-19 in people with weakened immune systems, such as transplant recipients or those on immunosuppressant drugs. The study was stopped early after enrolling…
Phase: PHASE3 • Sponsor: Regeneron Pharmaceuticals • Aim: Prevention
Last updated May 06, 2026 16:13 UTC