Drugs / TBPM-PI-HBr

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved US (FDA) UTEBZI — 2026-06-17 fda.gov ↗
Filed US (FDA) — complicated urinary tract infection, acute pyelonephritis —

“In October 2021, Spero filed a new drug application for tebipenem HBr” sperotx.com ↗

“In October 2021, Spero filed an NDA for tebipenem HBr tablets” sperotx.com ↗

Trials 8

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 16 trials
Phase 1 NCT04710407 Dec 2020 → Mar 2021 — Spero Therapeutics Completed No outcome recorded
Phase 1 NCT04625855 Sep → Oct 2020 — Spero Therapeutics Completed No outcome recorded
Phase 1 NCT04368585 Jul → Aug 2020 — Spero Therapeutics Completed No outcome recorded
Phase 1 NCT04376554 Feb 2020 → Apr 2021 — Spero Therapeutics Completed No outcome recorded
Phase 1 NCT04238195 Jan → Feb 2020 short QT syndrome 7 Spero Therapeutics Completed No outcome recorded
Phase 1 NCT03395249 Oct 2017 → Aug 2018 — Spero Therapeutics Completed No outcome recorded
Phase 21 trial
Phase 2 NCT05121974 Aug 2022 → Mar 2025 shigellosis International Centre for Diarrhoeal Disease Research, Bangladesh Completed No outcome recorded
Phase 31 trial · 1 met primary
Phase 3 NCT03788967 Jun 2019 → May 2020 acute pyelonephritis Spero Therapeutics Completed Met primary

News releases announcing trial results or a regulatory action · 18

DateIssuerRelease
2026-06-17 Sperotx Regulatory Utebzi (tebipenem pivoxil) approved in the US for adults with complicated urinary tract infections (cUTIs) sperotx.com ↗
This is the first and only oral carbapenem antibiotic approved for these patients.
2026-06-17 GlaxoSmithKline Regulatory Utebzi (tebipenem pivoxil) approved in the US for adults with complicated urinary tract infections (cUTIs) gsk.com ↗
This is the first and only oral carbapenem antibiotic approved for these patients.
2025-10-21 Sperotx Results PIVOT-PO Phase 3 Data Show Tebipenem HBr's Potential as the First Oral Carbapenem Antibiotic for Patients with Complicated Urinary Tract Infections (cUTIs) sperotx.com ↗
Spero Therapeutics, Inc. (Nasdaq: SPRO) and GSK plc (LSE/NYSE: GSK) today announced efficacy and safety results of the positive pivotal phase 3 PIVOT-PO trial evaluating tebipenem HBr, an investigational oral treatment for complicated urinary tract infections (cUTIs), including pyelonephritis (NCT06059846).
2025-10-21 GlaxoSmithKline Results Positive PIVOT-PO phase III data show tebipenem HBr’s potential as the first oral carbapenem antibiotic for patients with complicated urinary tract infections (cUTIs) gsk.com ↗
GSK plc (LSE/NYSE: GSK) and Spero Therapeutics (Nasdaq: SPRO) today announced full results of the positive pivotal phase III PIVOT-PO trial evaluating tebipenem HBr, an investigational oral treatment for complicated urinary tract infections (cUTIs), including pyelonephritis (NCT06059846).
2025-05-28 Sperotx Results Spero Therapeutics and GSK Announce PIVOT-PO Phase 3 Study for Tebipenem HBr Stopped Early for Efficacy Following Review by Independent Data Monitoring Committee sperotx.com ↗
The trial met the primary endpoint of non-inferiority of tebipenem HBr compared to intravenous imipenem-cilastatin in hospitalized adult patients with cUTI, including pyelonephritis, on overall response (composite of clinical cure plus microbiological eradication) at the test-of-cure visit.
2025-05-28 GlaxoSmithKline Results PIVOT-PO phase III study for tebipenem HBr stopped early for efficacy following review by Independent Data Monitoring Committee gsk.com ↗
GSK plc (LSE/NYSE: GSK) and Spero Therapeutics today announced that the pivotal phase III PIVOT-PO trial evaluating tebipenem HBr, an investigational oral treatment for complicated urinary tract infections (cUTIs), including pyelonephritis, will stop early for efficacy (NCT06059846).
2023-07-31 Sperotx Regulatory Spero Therapeutics Announces Special Protocol Assessment Agreement with FDA for Phase 3 PIVOT-PO Trial of Tebipenem HBr sperotx.com ↗
2022-04-06 Sperotx Results Spero Therapeutics Tebipenem Pivoxil Hydrobromide Phase 3 Data Published in The New England Journal of Medicine sperotx.com ↗
Spero Therapeutics, Inc. (Nasdaq: SPRO) today announced publication in The New England Journal of Medicine (NEJM) of the results from the Phase 3 ADAPT-PO clinical trial for its investigational oral carbapenem antibiotic, tebipenem pivoxil hydrobromide (tebipenem HBr).
2022-03-31 Sperotx Regulatory Spero Therapeutics Announces Fourth Quarter and Full Year 2021 Operating Results and Provides Business Update sperotx.com ↗
The FDA stated that the notification does not reflect a final decision on the information under review.
2022-01-03 Sperotx Regulatory Spero Therapeutics Announces FDA Acceptance and Priority Review of New Drug Application for Tebipenem HBr for the Treatment of Complicated Urinary Tract Infections including Pyelonephritis sperotx.com ↗
The FDA acceptance of this NDA is a major step forward in our mission to provide patients the first and only oral carbapenem antibiotic to treat cUTI.
2021-10-28 Sperotx Regulatory Spero Therapeutics Submits New Drug Application to U.S. FDA for Tebipenem HBr for the Treatment of Complicated Urinary Tract Infections including Pyelonephritis sperotx.com ↗
2020-09-08 Sperotx Results Spero Therapeutics Announces Positive Topline Results from its Phase 3 ADAPT-PO Clinical Trial of Oral Tebipenem HBr in Complicated Urinary Tract Infection and Acute Pyelonephritis sperotx.com ↗
Topline data from the trial demonstrate that oral tebipenem HBr was statistically non-inferior to intravenous (IV) ertapenem in the treatment of patients with cUTI and patients with AP.

All press releases naming this drug 19 releases

DateIssuerRelease

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 12 sources stand behind the page.

FieldValueCited text
Known as TBPM-PI-HBr “This is a randomized, double-blind (with respect to Tebipenem pivoxil hydrobromide [TBPM-PI-HBr]/placebo only), placebo- and active-control, single-dose, 4-way crossover study.” NCT04238195 ↗
3

NCT04710407 ↗

NCT04625855 ↗

NCT04376554 ↗

Known as [14C]-Tebipenem Pivoxil Hydrobromide “A Phase 1, Open-label Study of the Absorption, Metabolism, and Excretion of [14C]-Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) Following a Single Oral Dose in Healthy Male Subjects” NCT04625855 ↗
Known as Orapenem “There is a single, optional, open-label control cohort that may enroll, in which all 8 subjects will receive Orapenem® (tebipenem pivoxil fine granules).” NCT03395249 ↗
Known as Tebipenem (Orapenem) “Tebipenem (Orapenem)” NCT05121974 ↗
Known as tebipenem pivoxil “Orapenem® (tebipenem pivoxil fine granules)” NCT03395249 ↗
1

NCT05121974 ↗

Known as Tebipenem Pivoxil Hydrobromide “BACKGROUND: Antimicrobials cause perturbations in the composition and diversity of the host microbiome. We aimed to compare gut microbiome perturbations caused by oral...” PMID 38432233 ↗ Feb 2024
5

“Tebipenem pivoxil hydrobromide is an orally bioavailable carbapenem with activity against uropathogenic Enterobacterales, including extended-spectrum beta-lactamase-producing...” PMID 35388666 ↗ Apr 2022

“A Phase 1, Open-label Study of the Absorption, Metabolism, and Excretion of [14C]-Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) Following a Single Oral Dose in Healthy Male Subjects” NCT04625855 ↗

“Tebipenem pivoxil hydrobromide (TBP-PI-HBr) is an oral carbapenem prodrug being developed for the treatment of serious bacterial infections.” PMID 35762796 ↗ Jun 2022

NCT04238195 ↗

NCT04368585 ↗

Modality Small molecule “a carbapenem with activity versus multidrug-resistant (MDR) Gram-negative pathogens” PMID 31262768 ↗ Aug 2019
Route Oral “TBPM-PI-HBr tablets administered orally.” NCT03788967 ↗