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Study to Examine the Effect of Antacid and Omeprazole on the Single-Dose Pharmacokinetics of Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) in Healthy Adult Subjects

An Open-Label, 3-Period, Fixed-Sequence, Study to Examine the Effect of Aluminum Hydroxide/Magnesium Hydroxide/Simethicone and Omeprazole on the Single-Dose Pharmacokinetics of Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) in Healthy Adult Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04368585
Enrollment
20
Registered
2020-04-30
Start date
2020-07-01
Completion date
2020-08-21
Last updated
2020-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Brief summary

To assess the effect of a single dose of aluminum hydroxide/magnesium hydroxide/simethicone and omeprazole on the pharmacokinetics (PK) of TBPM, following a single dose of TBPM-PI-HBr in healthy adult subjects.

Interventions

Tebipenem pivoxil hydrobromide (TBPM-PI-HBr) 600 mg single-dose given orally.

DRUG20 mL aluminum hydroxide/magnesium hydroxide/simethicone (400 mg aluminum hydroxide/400 mg magnesium hydroxide/40 mg simethicone per 5 mL)

20 mL aluminum hydroxide/magnesium hydroxide/simethicone (400 mg aluminum hydroxide/400 mg magnesium hydroxide/40 mg simethicone per 5 mL) oral suspension.

DRUGOmeprazole

40 mg (1 x 40 mg capsule) omeprazole administered QD

Sponsors

Spero Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * Healthy, adult, male or female, 18-55 years of age, inclusive, at the screening visit. * Continuous non-smoker * Body mass index (BMI) ≥ 18.0 and ≤ 32.0 kg/m2 at the screening visit. * Medically healthy with no clinically significant medical history, physical examination, laboratory profiles, vital signs or ECGs, as deemed by the PI or designee. Key

Exclusion criteria

* Is mentally or legally incapacitated or has significant emotional problems at the time of the screening visit or expected to have during the conduct of the study. * History or presence of clinically significant medical or psychiatric condition or disease in the opinion of the PI or designee. * History of any illness that, in the opinion of the PI or designee, might confound the results of the study or poses an additional risk to the subject by their participation in the study. * History of significant allergic disease requiring treatment * History or presence of alcoholism or drug abuse within the past 2 years prior to the first dose. * History or presence of hypersensitivity or idiosyncratic reaction to the study drugs or related compounds (especially fluoroquinolone-, carbapenem-, penicillin-, and cephalosporin-antibiotics sensitivity). * History of known genetic metabolism anomaly associated with carnitine deficiency (e.g., carnitine transporter defect, methylmalonic aciduria, propionic acidemia). * History of cholecystectomy. * Female subjects with a positive pregnancy test at the screening visit or first check-in or who are lactating. * Positive urine drug or alcohol results at the screening visit or first check-in. * Positive results at the screening visit for human immunodeficiency virus (HIV 1 and 2), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV).

Design outcomes

Primary

MeasureTime frame
Area under the concentration-time curve, from time 0 to the last observed non-zero concentration (t).Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Area under the curve extrapolated to infinity (AUC0-∞).Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Percent of AUC0-inf extrapolated (AUC%extrap)Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Maximum plasma concentration (Cmax).Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Time to the maximum plasma concentration (Tmax).Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Terminal elimination half-life (t½).Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Apparent total body clearance (CL/F)Day 2 (Periods 1 and 2) and Day 6 (Period 3)
Apparent volume of distribution during the terminal elimination phase after oral (extravascular) administration (Vz/F).Day 2 (Periods 1 and 2) and Day 6 (Period 3)

Secondary

MeasureTime frameDescription
Incidence of treatment-emergent AEs (including SAEs) categorized by severity and relationship to study drug.12 to 14 days after the last dose of study drugECG, Clinical Laboratories, Vitals Signs and Physical Exams will be used as a safety measure to detect any AEs.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026