TheraRadar
Data updated: May 26, 2026

BETHKIS (tobramycin)

Respiratory Approved 2012-10-12

Bethkis is an inhaled aminoglycoside antibacterial indicated for the management of cystic fibrosis patients with *Pseudomonas aeruginosa*. It is intended for patients 6 years of age and older. Safety and efficacy have not been established in patients with an FEV1 <40% or >80% predicted, or in those colonized with *Burkholderia cepacia*.

Source: FDA Label • CHIESI • Aminoglycoside Antibacterial

How BETHKIS Works

Bethkis is an aminoglycoside antibacterial that targets *Pseudomonas aeruginosa*. It acts by binding to the bacterial 30S ribosomal subunit, which inhibits protein synthesis and leads to bacterial cell death.

1
Indication
--
Phase 3 Trials
13
Years on Market

Details

Status
Prescription
First Approved
2012-10-12
Routes
INHALATION
Dosage Forms
SOLUTION

Companies

Active Ingredient: TOBRAMYCIN

BETHKIS Approval History

2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
5 FDA actions from 2012 to 2023
Feb 2023 SUPPL
Label · Labeling
Dec 2019 SUPPL
Label · Labeling
May 2017 SUPPL
Label · Labeling

What BETHKIS Treats

1 indications

BETHKIS is approved for 1 conditions since its original approval in 2012. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Cystic Fibrosis
Source: FDA Label

BETHKIS Competitive Set

Pro

Three rings of competition based on shared molecular targets and treated indications.

Indication competitors

3

Same indication, different mechanism — what else might this patient receive?

Unlock 1 more competitors across all three rings.
Upgrade to Pro

Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to BETHKIS

3 of 12

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

ALYFTREK
DEUTIVACAFTOR
1 shared
Vertex Pharmaceuticals
Shared indications:
CAYSTON
AZTREONAM
1 shared
Gilead Sciences
Shared indications:
KALYDECO
IVACAFTOR
1 shared
Vertex Pharmaceuticals
Shared indications:
📋

Clinical Trial Registry

15 trials
Trial Sponsor ID Phase Status Title
NCT02918409 results posted SAAVED15A0 Ph 4 completed IV Colistin for Pulmonary Exacerbations: Improving Safety and Efficacy
NCT04872400 APOW results posted 20-2957 5672 Ph 4 completed Acute Application of Antibiotic Powder in Open Fracture Wounds
NCT05429671 MAUS21D.1213 Ph 3 completed Antibiotic Loaded Cement After TKA
NCT03705962 results posted 18088 Ph 3 terminated Locally Applied Antibiotics for Infection Prophylaxis in Treatment of Open Fractures
NCT02873806 GCF-039 Ph 4 completed Two Trabecular Micro-bypass Stents & Postoperative Travoprost to Treat Glaucoma Subjects on Two Hypotensive Agents
NCT03673956 results posted 18-006599 Ph 1, Ph 2 completed Topical Antibiotics in Chronic Rhinosinusitis
NCT03904836 ESRD 2019-1619 Ph 1 completed Tobramycin Administered at the Beginning of Dialysis
NCT01111383 CT03Ext CMA-0631-PR-0010 Extension Ph 3 completed A Single Arm 48-Week Follow-on Safety Study to a Core Study Comparing the Efficacy and Tolerability of Tobrineb®/Actitob®/Bramitob® Versus TOBI®
NCT02207426 TobrAir - CT0040 2013-005288-19 Ph 1 completed Pharmacokinetic and Pharmacoscintigraphic Comparison of TobrAir® 6.0 With TOBI® and TOBI® Podhaler™
NCT00634192 CTBM100DDE01 Ph 3 completed Pharmacokinetic Evaluation of an 8 -Week Treatment With Inhaled Tobramycin
NCT02269969 183-2014 Ph 1, Ph 2 completed Once Daily Aminoglycoside Pharmacokinetics and Optimal Dosing in the Burn Population: A Prospective Study
NCT00705159 results posted 550 Ph 4 completed Safety and Efficacy of Zylet vs Lotemax, Tobramycin and Vehicle in Pediatric Blepharoconjunctivitis
NCT02035488 Tobra-02 Ph 1, Ph 2 completed Pharmacokinetic Evaluation and Tolerability of Dry Powder Tobramycin by a Novel Device in Patients With Non Cystic Fibrosis Bronchiectasis
NCT01155999 results posted LT1225-PIIIB-02/08 2008-003567-39 Ph 3 completed Clinical Efficacy and Safety of T1225 Versus Tobramycin 0.3 % Eye Drops in the Treatment of Purulent Bacterial Conjunctivitis of Children.
NCT01608555 SP2 2011-001821-26 Ph 4 completed Tobramycin 300 mg Once-a-day (o.d.) Aerosol in Adults With Cystic Fibrosis
🔬

Active Pipeline

Pro

Ongoing clinical trials by development phase

Loading...

Key Completed Trials

Pro

Completed studies with published results, ranked by significance

Loading...
📊

Trial Timeline

Full development history with FDA approval milestones

|
Loading...
Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

BETHKIS FDA Label Details

Indications & Usage

FDA Label (PDF)

BETHKIS is indicated for the treatment of Cystic Fibrosis.

Track BETHKIS with TheraRadar Pro

Watchlist alerts, full database access, CSV exports across 14,000+ drugs.

Upgrade to Pro

Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.