Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 7, 2026, 3:20 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Healthy Volunteers
Interventions
SPR720, Azithromycin, Ethambutol
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Healthy Volunteer
Interventions
SPR720
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD)
Interventions
Placebo, SPR720 500 mg, SPR720 1000 mg
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
28
States / cities
Birmingham, Alabama • Fresno, California • Los Angeles, California + 25 more
Conditions
Mycobacterium Avium Complex, Non-tuberculous Mycobacterium Pulmonary Disease
Interventions
SPR720, Placebo, Open-label Standard of Care
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Altamonte Springs, Florida • Atlantis, Florida • Clearwater, Florida + 6 more