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NCT05496374 · ClinicalTrials.gov registry record · Phase 2

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

A Phase 2 study, sponsored by Spero Therapeutics.

Completed
Registry status
Phase 2
Development phase
25
Enrollment target

NCT05496374: Completed Phase 2 study, sponsored by Spero Therapeutics.

NCT05496374 is a Phase 2 study that has completed, run by Spero Therapeutics. The registered enrollment target is 25 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05496374, a Phase 2 study, has completed, sponsored by Spero Therapeutics.

COMPLETED
Registry status
Phase 2
Development phase
25 participants
Enrollment target

Study Summary

The purpose of the study is to evaluate 1. The microbiological response and clinical efficacy of SPR720 compared with placebo in participants with nontuberculous mycobacteria pulmonary disease (NTM-PD). 2. The safety and tolerability of SPR720 in participants with NTM- PD 3. The pharmacokinetic (PK) of SPR719, active moiety, following orally (po) administered prodrug SPR720 in participants with NTM-PD.

Interventions

  • DRUG Placebo
  • DRUG SPR720 500 mg
  • DRUG SPR720 1000 mg

Trial Details

FieldValue
Enrollment Target 25 participants
Start Date 2022-12-14
Est. Completion 2024-12-02
Phase Phase 2
Spero Therapeutics

14 total trials

What the finished NCT05496374 record still lists

NCT05496374 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 25 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT05496374 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05496374 about?

NCT05496374 is a clinical study titled "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". The purpose of the study is to evaluate 1. The microbiological response and clinical efficacy of SPR720 compared with placebo in participants with nontuberculous mycobacteria pulmonary disease (NTM-PD). 2. The safety and tolerability of SPR720 in participants with NTM- PD 3. The pharmacokinetic (PK...

What is the current status of trial NCT05496374?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 25 participants. The study started on 2022-12-14. Estimated completion is 2024-12-02.

What interventions are being tested in trial NCT05496374?

The interventions under investigation include: Placebo (DRUG), SPR720 500 mg (DRUG), SPR720 1000 mg (DRUG).

Who is sponsoring clinical trial NCT05496374?

This trial is sponsored by Spero Therapeutics, which has 14 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05496374's enrollment target sits among peer trials

25 1719th of 2000 higher than 245 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05496374, the US trial registry maintained by the National Library of Medicine. NCT05496374 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.