SymbolSPRO
NameSPERO THERAPEUTICS, INC.
SectorHEALTH CARE
RegionNorth America
IndustryBiotechnology: Pharmaceutical Preparations
Address675 MASSACHUSETTS AVENUE,14TH FLOOR, CAMBRIDGE, Massachusetts, 02139, United States
Telephone+1 857 242-1600
Fax
Email
Websitehttps://www.sperotherapeutics.com
IncorporationUNDEFINED
Incorporated On
Employees
Fiscal Year
Public Since
ExchangesNASDAQ
Auditor
Audit StatusNOT PROVIDED
Reporting Status
CIK0001701108
Description

Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The companys product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. Besides, it is also focused on SPR206, a next-generation polymyxin investigational product candidate, being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.

Additional info from NASDAQ:
Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The companys product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. Besides, it is also focused on SPR206, a next-generation polymyxin investigational product candidate, being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.

2026-08-12 20:09

(30% Negative) SPERO THERAPEUTICS, INC. (SPRO) Reports Q3 2026 Financial Results

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2026-08-12 20:01

Spero Therapeutics Announces Second Quarter 2026 Operating Results and Provides Business Update

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2026-08-12 20:01

Spero Therapeutics Announces Second Quarter 2026 Operating Results and Provides Business Update

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2026-08-05 21:02

Spero Therapeutics Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)

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2026-08-04 20:01

Spero Therapeutics to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026

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2026-08-04 20:01

Spero Therapeutics to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026

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2026-07-27 12:00

Spero Therapeutics Appoints Debra Jeske Zack, M.D., Ph.D., as Chief Medical Officer

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2026-07-14 10:02

Spero Therapeutics Announces $105 Million Non-Recourse Non-Dilutive Financing Backed by a Portion of Utebzi Milestones & Royalties

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2026-07-14 10:00

Spero Therapeutics and Innovent Biologics Announce Exclusive License for SP001 (IBI355), a Phase 2-Ready Third-Generation Anti-CD40L Antibody

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2026-06-25 23:26

Deshpande Milind 🟢 acquired 30.0K shares (1 derivative) of Spero Therapeutics, Inc. (SPRO) at $2.15 Transaction Date: Jun 23, 2026 | Filing ID: 283245

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Trial ID Title Phase Indication Status Start Date Completion Date Source
NCT06727136 A Study to Characterize Single and Repeat Dose Pharmacokinetics of Tebipenem-Pi… Phase1 Healthy Participants Completed 2024-11-20 2025-04-22 ClinicalTrials.gov
NCT06059846 A Study of Oral Tebipenem Pivoxil Hydrobromide (TBP-PI-HBr) Compared to Intrave… Phase3 Urinary Tract Infection Completed 2023-12-21 2025-02-06 ClinicalTrials.gov
NCT05966688 A Study to Evaluate the Effect of Co-administration on the Pharmacokinetics of … Phase1 Healthy Volunteers Completed 2023-08-04 2024-02-04 ClinicalTrials.gov
NCT05955586 A Study to Assess the Intrapulmonary Pharmacokinetics (PK) of SPR719 by Compari… Phase1 Healthy Volunteer Completed 2023-08-01 2024-02-23 ClinicalTrials.gov
NCT05856747 A Study to Compare Two Bioanalytical Assays for Tebipenem Phase1 Healthy Volunteers Completed 2023-05-04 2023-06-01 ClinicalTrials.gov
NCT05496374 A Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of… Phase2 Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD) Completed 2022-12-14 2024-12-02 ClinicalTrials.gov
NCT05296382 Bioavailability of Tebipenem (SPR994) Crushed Tablet Phase1 Relative Bioavailability Completed 2022-04-01 2022-12-23 ClinicalTrials.gov
NCT04919954 Tebipenem (SPR994) Tissue Penetration in Diabetic Patients With Wound Infection… Phase1 Diabetes Completed 2021-07-01 2022-12-23 ClinicalTrials.gov
NCT04865393 Phase 1 Study of PK and Safety of SPR206 in Subjects With Various Degrees Of Re… Phase1 Renal Impairment Completed 2021-06-08 2021-12-06 ClinicalTrials.gov
NCT04868292 Study to Assess the Intrapulmonary Pharmacokinetics of SPR206 in Healthy Volunt… Phase1 Healthy Volunteers Completed 2021-06-03 2021-09-29 ClinicalTrials.gov
NCT04710407 Study to Assess the Intrapulmonary Pharmacokinetics of SPR859 by Comparing the … Phase1 Healthy Volunteers Completed 2020-12-07 2021-03-10 ClinicalTrials.gov
NCT04553406 Safety, Tolerability, Pharmacokinetics and Efficacy of SPR720 for the Treatment… Phase2 Mycobacterium Avium Complex Terminated 2020-12-03 2021-01-28 ClinicalTrials.gov
NCT04625855 Study of the Absorption, Metabolism, and Excretion of [14C]-Tebipenem Pivoxil H… Phase1 Healthy Volunteers Completed 2020-09-30 2020-10-16 ClinicalTrials.gov
NCT04368585 Study to Examine the Effect of Antacid and Omeprazole on the Single-Dose Pharma… Phase1 Healthy Volunteers Completed 2020-07-01 2020-08-21 ClinicalTrials.gov
NCT04421885 Bioequivalence Study Comparing Two Tablet Formulations of Tebipenem Pivoxil Hyd… Phase1 Healthy Volunteers Completed 2020-06-01 2020-07-29 ClinicalTrials.gov
NCT04376554 Effect of Tebipenem on Normal Human Intestinal Microbiota Phase1 Healthy Volunteers Completed 2020-02-10 2021-04-06 ClinicalTrials.gov
NCT04238195 A Single-Dose, Randomized, Placebo- and Active-Control, Four-Way, Cross-Over St… Phase1 TQT Study Completed 2020-01-19 2020-02-26 ClinicalTrials.gov
NCT04178577 Phase 1 Study of PK and Safety of Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) … Phase1 Renal Impairment Completed 2019-12-06 2020-09-11 ClinicalTrials.gov
NCT03788967 Study to Assess the Efficacy, Safety and Pharmacokinetics of Orally Administere… Phase3 Complicated Urinary Tract Infection Completed 2019-06-03 2020-05-27 ClinicalTrials.gov
NCT03792308 A First in Human Study of the Safety and Tolerability of Single and Multiple Do… Phase1 Healthy Volunteers Completed 2018-12-18 2019-12-23 ClinicalTrials.gov
NCT03796910 A Study of the Safety, Tolerability, and Pharmacokinetics of SPR720 in Healthy … Phase1 Healthy Volunteers Completed 2018-12-18 2019-09-24 ClinicalTrials.gov
NCT03376529 Phase 1 Study to Evaluate DDI, PK, Safety, Tolerability of SPR741 Phase1 Healthy Volunteers Completed 2017-11-10 2017-12-20 ClinicalTrials.gov
NCT03395249 Phase 1 Study of Safety, Tolerability and Pharmacokinetics of SPR994 Phase1 Healthy Volunteers Completed 2017-10-20 2018-08-02 ClinicalTrials.gov
NCT03022175 A First in Human Study of the Safety and Tolerability of Single and Multiple Do… Phase1 Healthy Volunteers Completed 2016-12-01 2017-09-01 ClinicalTrials.gov
Total clinical trials: 24
Product Name Type Development Stage Therapeutic Area Study Status Trial ID
TBPM-PI-HBr Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04710407
Placebo Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03022175
SPR741 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03022175
Aztreonam Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03376529
Piperacillin/tazobactam Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03376529
Ceftazidime Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03376529
SPR741 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03376529
Orapenem® Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03395249
Placebo Oral Tablet Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03395249
SPR994 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03395249
Placebo for MAD Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03796910
SPR720 for MAD Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03796910
Placebo for SAD Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03796910
SPR720 for SAD Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03796910
Placebo Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03792308
SPR206 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT03792308
Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) Other Phase PHASE1 TQT Study COMPLETED NCT04238195
Placebo for Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) Other Phase PHASE1 TQT Study COMPLETED NCT04238195
Moxifloxacin 400mg Other Phase PHASE1 TQT Study COMPLETED NCT04238195
Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) + Placebo Other Phase PHASE1 TQT Study COMPLETED NCT04238195
Tebipenem pivoxil hydrobromide (TBPM-PI-HBr) - Test Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04421885
Tebipenem pivoxil hydrobromide (TBPM-PI-HBr) - Reference Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04421885
Omeprazole Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04368585
20 mL aluminum hydroxide/magnesium hydroxide/simethicone (400 mg aluminum hydroxide/400 mg magnesium hydroxide/40 mg simethicone per 5 mL) Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04368585
Tebipenem pivoxil hydrobromide (TBPM-PI-HBr) Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04368585
TBPM-PI-HBr Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04625855
Tebipenem pivoxil hydrobromide (TBPM-PI-HBr) Other Phase PHASE1 Renal Impairment COMPLETED NCT04178577
amoxicillin-clavulanate Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04376554
TBPM-PI-HBr Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04376554
SPR206 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT04868292
Open-label Standard of Care Other Phase PHASE2 Mycobacterium Avium Complex TERMINATED NCT04553406
Placebo Other Phase PHASE2 Mycobacterium Avium Complex TERMINATED NCT04553406
SPR720 Other Phase PHASE2 Mycobacterium Avium Complex TERMINATED NCT04553406
Dummy tablets Other Phase PHASE3 Complicated Urinary Tract Infection COMPLETED NCT03788967
Dummy Infusion Other Phase PHASE3 Complicated Urinary Tract Infection COMPLETED NCT03788967
Ertapenem Other Phase PHASE3 Complicated Urinary Tract Infection COMPLETED NCT03788967
TBPM-PI-HBr Other Phase PHASE3 Complicated Urinary Tract Infection COMPLETED NCT03788967
Tebipenem Pivoxil Hydrobromide Other Phase PHASE1 Diabetes COMPLETED NCT04919954
Tube feeds Other Phase PHASE1 Relative Bioavailability COMPLETED NCT05296382
Tebipenem tablet form Other Phase PHASE1 Relative Bioavailability COMPLETED NCT05296382
Ethambutol Other Phase PHASE1 Healthy Volunteers COMPLETED NCT05966688
Azithromycin Other Phase PHASE1 Healthy Volunteers COMPLETED NCT05966688
SPR720 Other Phase PHASE1 Healthy Volunteers COMPLETED NCT05966688
SPR720 Other Phase PHASE1 Healthy Volunteer COMPLETED NCT05955586
TBP-PI-HBr Other Phase PHASE1 Healthy Volunteers COMPLETED NCT05856747
SPR206 Other Phase PHASE1 Renal Impairment COMPLETED NCT04865393
TBP-PI-HBr Other Phase PHASE1 Healthy Participants COMPLETED NCT06727136
SPR720 1000 mg Other Phase PHASE2 Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD) COMPLETED NCT05496374
SPR720 500 mg Other Phase PHASE2 Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD) COMPLETED NCT05496374
Placebo Other Phase PHASE2 Nontuberculous Mycobacterial Pulmonary Disease (NTM-PD) COMPLETED NCT05496374
Dummy Tablets Other Phase PHASE3 Urinary Tract Infection COMPLETED NCT06059846
Dummy Infusion Other Phase PHASE3 Urinary Tract Infection COMPLETED NCT06059846
Imipenem-cilastatin Other Phase PHASE3 Urinary Tract Infection COMPLETED NCT06059846
TBP-PI-HBr Other Phase PHASE3 Urinary Tract Infection COMPLETED NCT06059846
Total products: 54