Arrowhead Pharmaceuticals
Clinical trials sponsored by Arrowhead Pharmaceuticals, explained in plain language.
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Experimental drug targets stubborn cholesterol in rare disease
Disease control TerminatedThis study tested an experimental drug called ARO-ANG3 in 18 people with homozygous familial hypercholesterolemia (HoFH), a rare genetic condition causing extremely high cholesterol. Participants received injections of the drug and were monitored for safety and cholesterol change…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 13:06 UTC
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Experimental hepatitis b drug shows promise in early trial
Disease control TerminatedThis Phase 2 trial tested an experimental drug called ARC-520 in 58 people with chronic hepatitis B who were already taking standard antivirals. The goal was to see if ARC-520 could further lower hepatitis B surface antigen levels, a marker of the virus. The study was terminated …
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental hepatitis b drug shows promise in early trial
Disease control TerminatedThis study tested a new drug called ARC-520 in 79 people with chronic hepatitis B. Some participants received ARC-520 alone, while others got it combined with standard treatments like entecavir or tenofovir. The goal was to see if ARC-520 could lower hepatitis B surface antigen l…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Hepatitis b drug trial halted early after safety check
Disease control TerminatedThis early-stage study tested an experimental drug called ARC-521 in healthy volunteers and people with chronic hepatitis B. The main goal was to check safety and how the body processes the drug. The study was terminated early, so results are limited.
Phase: PHASE1 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental hepatitis b drug combo shows promise but study halted early
Disease control TerminatedThis study tested an experimental drug called ARC-520 given alongside standard hepatitis B medications (entecavir or tenofovir) in 12 people with chronic hepatitis B. Participants received 9 doses of ARC-520 over 36 weeks to see if it could safely lower hepatitis B virus levels. …
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental hepatitis b drug shows promise in early trial
Disease control TerminatedThis study tested whether a new drug called ARC-520, given with the standard medicine entecavir, could lower hepatitis B virus levels in people with chronic hepatitis B. About 58 adults with different stages of infection received either ARC-520 or a placebo. The study was stopped…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental hepatitis b drug trial halted midway
Disease control TerminatedThis study tested an experimental drug called ARC-520 in 32 adults with chronic hepatitis B who were already taking antiviral medications (entecavir or tenofovir). The goal was to see if adding ARC-520 could lower hepatitis B surface antigen levels more than placebo. The trial wa…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Experimental drug for rare lung disease shows early promise but trial halted
Disease control TerminatedThis early-phase study tested a drug called ARC-AAT in healthy volunteers and people with Alpha-1 Antitrypsin Deficiency (AATD), a genetic condition that can lead to lung and liver damage. The main goal was to check safety and how the drug affects levels of a key protein in the b…
Phase: PHASE1 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
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Cystic fibrosis drug trial halted early
Disease control TerminatedThis study tested an experimental drug called ARO-ENaC in healthy volunteers and people with cystic fibrosis. The goal was to see if it is safe and helps lung function. The trial was stopped early, so results are limited.
Phase: PHASE1, PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:04 UTC
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New inhaled therapy targets mucus in asthma and COPD – but trial halted early
Disease control TerminatedThis early-phase trial tested an inhaled drug called ARO-MUC5AC in healthy volunteers and people with asthma or COPD. The goal was to see if it is safe and how it affects lung function by targeting mucus production. The study was terminated early, so we have less information than…
Phase: PHASE1, PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC
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Experimental hepatitis b drug trial halted early
Disease control TerminatedThis study tested an experimental drug called ARC-520 in people with chronic hepatitis B who were already taking standard antiviral medications. The goal was to see if ARC-520 could further lower hepatitis B surface antigen levels. Only 4 people enrolled before the study was stop…
Phase: PHASE2 • Sponsor: Arrowhead Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC