Sponsor or institution

Clinical trials and research at Hillhurst Biopharmaceuticals, INC.

• 1Clinical trials
• 6NIH research projects
• 1Country

All recruiting trials (1)

• Low-dose oral carbon monoxide (HBI-002) for Parkinson's disease

  This study will test whether daily low-dose oral carbon monoxide (HBI-002) given for 14 days is safe and tolerated in people with Parkinson's disease.

  Recruiting at 5 sites Phase 2 Hillhurst Biopharmaceuticals, Inc. · Fountain Valley, California and 7 other locations · NCT07005180

NIH-funded research (6)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

• Low-dose oral carbon monoxide for diabetic retinopathy

  A low-dose oral carbon monoxide medicine aimed at protecting vision in adults with diabetic retinopathy.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-11192356

• HBI-002 to prevent painful sickle cell crises

  A small oral medicine that delivers tiny amounts of carbon monoxide to help people with sickle cell disease have fewer painful vaso-occlusive crises.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-11073056

• New treatment approach for cystic fibrosis using carbon monoxide

  This study is exploring a new way to help people with cystic fibrosis by using small amounts of carbon monoxide to calm lung inflammation while keeping their immune system strong, aiming to make breathing easier and improve their overall quality of life.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-10919079

• New treatment for diabetic retinopathy using a low dose carbon monoxide drug

  This study is testing a new oral medication called HBI-002 that uses tiny amounts of carbon monoxide to help protect your eyes from damage caused by diabetic retinopathy, with the hope of offering a new treatment option to prevent vision loss for people with diabetes.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-10918666

• Using oral nitrous oxide to relieve pain in sickle cell disease

  This study is testing a new pill form of nitrous oxide to help people with sickle cell disease manage their severe pain at home, making it easier and more convenient than the usual gas treatments given in hospitals.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-10699586

• Using low doses of carbon monoxide to treat lung injuries caused by viruses

  This study is looking at whether taking a small amount of carbon monoxide by mouth can help people with lung injuries from viral infections like COVID-19 by reducing inflammation and helping their bodies fight off the virus more effectively.

  NIH research Hillhurst Biopharmaceuticals, INC. · Montrose, United States · NIH-10682510

Quick answers

How many clinical trials run by Hillhurst Biopharmaceuticals, INC. are recruiting right now?

1, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

All of them have sites in United States. Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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