Clinical trials

2

Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Low-dose Carbon Monoxide (HBI-002) Trial to Evaluate Safety, Tolerability, PK, and Biomarkers in Parkinson's Disease

A phase 2a multicenter, randomized, double-blind, placebo-controlled multiple dose study to evaluate the safety, tolerability, pharmacokinetics, of HBI-002, an oral low-dose carbon monoxide (CO) liquid drug product, administered daily over 14 days in subjects with Parkinson's disease (PD).

Participants needed: 36
Trial details
Phase: Phase 2Age: 40-80Biological sex: AllType: InterventionalSponsor: Hillhurst Biopharmaceuticals, Inc.Updated: May 11, 2026Locations: 1
Eligibility criteria

Signed informed consent. [+21]

Atypical parkinsonism, including parkinsonism due to drugs, metabolic disorders,... [+57]

Status: Recruiting

A Safety, Efficacy, and Pharmacokinetic (PK) Study of HBI-002, an Oral Carbon Monoxide (CO) Therapeutic, in Subjects With Sickle Cell Disease (SCD)

This is a multi-center, open label Phase 2a clinical trial in subjects with sickle cell disease to assess safety, tolerability, pharmacokinetics, and pharmacodynamics of HBI-002, an orally administered liquid containing carbon monoxide (CO), with doses daily for 14 days.

Participants needed: 9
Trial details
Phase: Phase 1, Phase 2Age: 18-55Biological sex: AllType: InterventionalSponsor: Hillhurst Biopharmaceuticals, Inc.Updated: Jan 8, 2026Locations: 2
Eligibility criteria

Signed informed consent. [+15]

Hemoglobinopathy other than SCD or S/beta 0 thalassemia. [+23]