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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: SPR720 1000 mg Clear all
Completed Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of SPR720 as Compared With Placebo for the Treatment of Participants With Mycobacterium Avium Complex (MAC) Pulmonary Disease

NCT05496374
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 13, 2026, 5:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Co-administration on the Pharmacokinetics of SPR720, Azithromycin, and Ethambutol in Healthy Participants

NCT05966688
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 13, 2026, 5:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Intrapulmonary Pharmacokinetics (PK) of SPR719 by Comparing the Plasma, Epithelial Lining Fluid, and Alveolar Macrophage Concentrations Following the Oral Administration of Multiple Doses of SPR720 in Healthy Volunteers.

NCT05955586
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Sep 13, 2026, 5:20 PM EDT
Terminated Phase 2 Interventional Results available

Safety, Tolerability, Pharmacokinetics and Efficacy of SPR720 for the Treatment of Patients With Mycobacterium Avium Complex (MAC) Pulmonary Disease

NCT04553406
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 13, 2026, 5:20 PM EDT