tobramycin
Trade name: nebcin
Approved
Jun 11, 1975
Tobramycin, an aminoglycoside antibiotic obtained from cultures of Streptomyces tenebrarius, it is effective against gram-negative bacteria, especially the pseudomonas species. Tobramycin is used in combination with other antibiotics to treat urinary tract infections, gynecologic infections, peritonitis, endocarditis, pneumonia, bacteremia and sepsis, respiratory infections including those associated with cystic fibrosis, osteomyelitis, and diabetic foot and other soft-tissue infections. It acts primarily by disrupting protein synthesis, leading to altered cell membrane permeability, progressive disruption of the cell envelope, and eventual cell death. Tobramycin has in vitro activity against a wide range of gram-negative organisms including Pseudomonas aeruginosa. Tobramycin binds irreversibly to one of two aminoglycoside binding sites on the 30 S ribosomal subunit, inhibiting bacterial protein synthesis. Tobramycin may also destabilize bacterial memebrane by binding to 16 S 16 S r-RNA. An active transport mechanism for aminoglycoside uptake is necessary in the bacteria in order to attain a significant intracellular concentration of tobramycin. KITABIS PAK (co-packaging of tobramycin inhalation solution and PARI LC PLUS Reusable Nebulizer) is indicated for the management of cystic fibrosis in adults and pediatric patients 6 years of age and older with P. aeruginosa. — NCATS
Clinical trial activity
120 trials · 142 clinical orgs · 48 marketing orgs
Earliest trial started Jun 1, 1995 (NCT00004829)
Timeline
1970s
1980s
- Dec 12, 1980
Novartis — NDA Secondary Org
- Dec 13, 1984
Sandoz — Marketing Organization
- Jul 21, 1989
Eyevance — Marketing Organization
- Jul 21, 1989
Eyevance — NDA Secondary Org
- Jul 21, 1989
Harrow Health — NDA Secondary Org
- Aug 9, 1989
Watson Pharmaceuticals — Marketing Organization
1990s
- Jul 31, 1990
Hospira — Marketing Organization
- Apr 26, 1991
Hikma — Marketing Organization
- Apr 26, 1991
West-Ward Pharmaceutical — Marketing Organization
- Jan 30, 1992
Teva — Marketing Organization
- Nov 29, 1993
Bausch & Lomb — Marketing Organization
- May 25, 1994
Alcon — Marketing Organization
- May 25, 1994
Nestle — Marketing Organization
- May 31, 1994
Apothecon — Marketing Organization
- Oct 31, 1994
Teligent Pharmaceuticals — Marketing Organization
- Jan 1, 1995
Earliest Phase 3 Sponsor(trial)
- Jan 31, 1996
Akorn, Inc. — Marketing Organization
- Jan 31, 1996
Epic Pharma Llc — Marketing Organization
- Dec 22, 1997
Mylan — NDA Secondary Org
- Dec 22, 1997
Viatris — Marketing Organization
2000s
- Jan 1, 2000
Earliest Phase 2 Sponsor(trial)
- Aug 17, 2001
X Gen Pharmaceuticals — Marketing Organization
- Sep 11, 2001
Fera Development, LLC — Marketing Organization
- Sep 11, 2001
Chartwell Pharmaceuticals — Marketing Organization
- Feb 25, 2002
Apotex — Marketing Organization
- Nov 29, 2002
Fresenius — NDA Secondary Org
- Nov 29, 2002
Fresenius — Marketing Organization
- Jan 1, 2004
Earliest Phase 1 Sponsor(trial)
- Dec 14, 2004
Bausch & Lomb — NDA Secondary Org
- Mar 11, 2008
Mylan — Marketing Organization
2010s
- Oct 12, 2012
Chiesi — NDA Secondary Org
- Oct 12, 2012
Chiesi — Marketing Organization
- Sep 16, 2014
Xellia Pharmaceuticals — Marketing Organization
- Sep 16, 2014
Novo Nordisk — Marketing Organization
- Dec 2, 2014
Pulmoflow Inc — NDA Secondary Org
- Jul 13, 2015
Amneal Pharmaceuticals — Marketing Organization
- Jul 1, 2016
Baxalta — Marketing Organization
- Jul 1, 2016
Shire — Marketing Organization
- Mar 22, 2017
Lupin — Marketing Organization
- Jun 28, 2017
Somerset Pharmaceuticals — Marketing Organization
- Oct 13, 2017
PHARMOBEDIENT — Marketing Organization
- Jul 9, 2018
Dr. Reddy's Laboratories — Marketing Organization
- Apr 19, 2019
Alembic — Marketing Organization
- Dec 26, 2019
Sun Pharmaceuticals — Marketing Organization
2020s
- Jan 22, 2021
Aurobindo Pharma — Marketing Organization
- Jan 22, 2021
Shandong Luoxin Pharmaceutical Group Stock Co., Ltd. — Marketing Organization
- Feb 9, 2021
Gland Pharma Ltd — Marketing Organization
- Feb 9, 2021
Fosun — Marketing Organization
- Apr 1, 2021
Alkem Labs Ltd — Marketing Organization
- Feb 11, 2022
Padagis Us — Marketing Organization
- Sep 22, 2022
Mankind Pharma — Marketing Organization
- Feb 1, 2023
Hainan Poly Pharm — Marketing Organization
- Feb 1, 2023
SLATE RUN PHARMA — Marketing Organization
- Jun 21, 2023
Eugia Pharma — Marketing Organization
- Jul 27, 2023
Micro Labs Ltd India — Marketing Organization
Indications
Approved for
Studied for
- Anti-Bacterial Agents · Phase 4
- Arthroplasty, Replacement, Hip · Phase 2/Phase 3
- Arthroplasty, Replacement, Knee · Phase 4
- Bacterial Infections · Phase 3
- Blepharitis · Phase 4
- Bronchiectasis · Phase 4
- Bronchopulmonary Dysplasia · Phase 1
- Burkholderia Infections · Phase 1
- Burns · Phase 1/Phase 2
- Carcinoma, Squamous Cell · Phase 2
- Cataract · Phase 4
- Chalazion · Phase 4
- Colorectal Neoplasms · Phase 4
- Conjunctivitis · Phase 4
- Conjunctivitis, Allergic · Phase 1
- Conjunctivitis, Bacterial · Phase 3
- Corneal Diseases · Phase 4
- Critical Illness · Phase 3
- Diabetic Foot · Early Phase 1
- Dry Eye Syndromes · Phase 4
- Esophageal Neoplasms · Phase 3
- Exfoliation Syndrome · Phase 4
- Eye Diseases · Phase 1
- Eye Infections · Phase 3
- Fever · Phase 4
- Fractures, Bone · Phase 4
- Fractures, Open · Phase 4
- General Surgery · Phase 3
- Glaucoma, Open-Angle · Phase 4
- Healthy Volunteers · Phase 1
- Hordeolum · Phase 4
- Keratitis · Phase 3
- Kidney Failure, Chronic · Phase 1
- Knee Injuries · Phase 4
- Lung Diseases · Phase 3
- Meibomian Gland Dysfunction · Phase 4
- Neoplasms · Phase 4
- Neutropenia · Phase 4
- Osteoarthritis, Hip · Phase 2/Phase 3
- Pharmacological and Toxicological Phenomena · Phase 4
- Pneumonia · Phase 3
- Pneumonia, Bacterial · Phase 2
- Pneumonia, Ventilator-Associated · Phase 4
- Postoperative Complications · Phase 3
- Prosthesis-Related Infections · Phase 2/Phase 3
- Pseudomonas aeruginosa · Phase 3
- Pseudomonas Infections · Phase 4
- Pulmonary Disease, Chronic Obstructive · Phase 2
- Renal Dialysis · Phase 1
- Respiratory Tract Infections · Phase 1/Phase 2
- Sepsis · Phase 3
- Shock, Septic · Phase 3
- Sinusitis · Phase 3
- Surgical Wound Infection · Phase 4
- Wound Infection · Phase 4
Mechanism of action
- 70S ribosomeINHIBITOR
70S ribosome inhibitor
23S RRNA (site A)
- 30S ribosomal protein S12 (rpsL) ↗
- 30S ribosomal protein S13 (rpsM) ↗
- 30S ribosomal protein S14 (rpsN) ↗
- 30S ribosomal protein S15 (rpsO) ↗
- 30S ribosomal protein S16 (rpsP) ↗
- 30S ribosomal protein S17 (rpsQ) ↗
- 30S ribosomal protein S18 (rpsR) ↗
- 30S ribosomal protein S19 (rpsS) ↗
- 50S ribosomal protein L7/L12 (rplL) ↗
- 30S ribosomal protein S10 (rpsJ) ↗
- 30S ribosomal protein S11 (rpsK) ↗
- 30S ribosomal protein S1 (rpsA) ↗
- 30S ribosomal protein S20 (rpsT) ↗
- 30S ribosomal protein S21 (rpsU) ↗
- 30S ribosomal protein S2 (rpsB) ↗
- 30S ribosomal protein S3 (rpsC) ↗
- 30S ribosomal protein S4 (rpsD) ↗
- 30S ribosomal protein S5 (rpsE) ↗
- 30S ribosomal protein S6 (rpsF) ↗
- 30S ribosomal protein S7 (rpsG) ↗
- 30S ribosomal protein S8 (rpsH) ↗
- 30S ribosomal protein S9 (rpsI) ↗
- 50S ribosomal protein L10 (rplJ) ↗
- 50S ribosomal protein L11 (rplK) ↗
- 50S ribosomal protein L13 (rplM) ↗
- 50S ribosomal protein L14 (rplN) ↗
- 50S ribosomal protein L15 (rplO) ↗
- 50S ribosomal protein L16 (rplP) ↗
- 50S ribosomal protein L17 (rplQ) ↗
- 50S ribosomal protein L18 (rplR) ↗
- 50S ribosomal protein L19 (rplS) ↗
- 50S ribosomal protein L9 (rplI) ↗
- 50S ribosomal protein L1 (rplA) ↗
- 50S ribosomal protein L20 (rplT) ↗
- 50S ribosomal protein L21 (rplU) ↗
- 50S ribosomal protein L22 (rplV) ↗
- 50S ribosomal protein L23 (rplW) ↗
- 50S ribosomal protein L24 (rplX) ↗
- 50S ribosomal protein L25 (rplY) ↗
- 50S ribosomal protein L27 (rpmA) ↗
- 50S ribosomal protein L28 (rpmB) ↗
- 50S ribosomal protein L29 (rpmC) ↗
- 50S ribosomal protein L2 (rplB) ↗
- 50S ribosomal protein L30 (rpmD) ↗
- 50S ribosomal protein L31 type B (rpmE2) ↗
- 50S ribosomal protein L31 (rpmE) ↗
- 50S ribosomal protein L32 (rpmF) ↗
- 50S ribosomal protein L33 (rpmG) ↗
- 50S ribosomal protein L34 (rpmH) ↗
- 50S ribosomal protein L35 (rpmI) ↗
- 50S ribosomal protein L36 2 (rpmJ2) ↗
- 50S ribosomal protein L36 (rpmJ) ↗
- 50S ribosomal protein L3 (rplC) ↗
- 50S ribosomal protein L4 (rplD) ↗
- 50S ribosomal protein L5 (rplE) ↗
- 50S ribosomal protein L6 (rplF) ↗
Combination products
tobradex
with dexamethasone
Also known as tobradex st
tobrasone
with fluorometholone
zylet
with loteprednol
Approval history
- approvedJun 11, 1975
Chemistry & pharmacology
SMILES
NC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O[C@H]3O[C@H](CO)[C@@H](O)[C@H](N)[C@H]3O)[C@H](N)C[C@@H]2N)[C@H](N)C[C@@H]1O.NC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O[C@H]3O[C@H](CO)[C@@H](O)[C@H](N)[C@H]3O)[C@H](N)C[C@@H]2N)[C@H](N)C[C@@H]1O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O.O=S(=O)(O)O- Mol. weight
- 1425.44 g/mol
- Lipinski Ro5
- 2 violation(s)
- Rule of 3
- No
- Chirality
- Single Stereoisomer
- Inorganic
- No
- Polymer
- No
- Delivery
- Parenteral
- Availability
- Prescription Only
Oral
No
Parenteral
Yes
Topical
No
Sources
- ChEMBLCHEMBL3989564 ↗
- WikipediaTobramycin ↗
- NCATSVZ8RRZ51VK ↗
- ChEMBLCHEMBL1747 ↗
- ChEMBLCHEMBL1200780 ↗
Also known as
- 3'-deoxykanamycin b
- 3'-deoxykanamycin b
- 47663
- aktob
- aktob
- bethkis
- bethkis
- bethkis
- bramitob
- bramitob
- dexamethasone mixture with tobramycin
- nebcin
- nebcin
- nebcin
- nebcin
- nebcin
- nebicin
- nebicin
- nebramycin
- nebramycin
- nebramycin 6
- nebramycin 6
- nebramycin 6
- nebramycin factir 6
- nebramycin factir 6
- nebramycin factor 6
- nebramycin factor 6
- nebramycin-faktor 6
- nebramycin-faktor 6
- nebramycin vi
- nebris
- o-3-amino-3-deoxy-alpha-d-glucopyranosyl-(1-4)-o-(2,6-diamino-2,3,6-trideoxy-alpha-d-ribohexopyranosyl-(1-4))-2-deoxy-d-streptamine
- o-3-amino-3-deoxy-alpha-d-glucopyranosyl-(1-4)-o-(2,6-diamino-2,3,6-trideoxy-alpha-d-ribohexopyranosyl-(1-4))-2-deoxy-d-streptamine
- obramycin
- obramycin
- tobi
- tobi
- tobi podhaler
- tobracin
- tobracin (tn)
- tobracin (tn)
- tobradex
- tobradex
- tobradex
- tobradex st
- tobradistin
- tobralex
- tobralex
- tobralex
- tobramaxin
- tobramaxin
- tobramicin
- tobramicina
- tobramicina
- tobramycetin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycin
- tobramycine
- tobramycine
- tobramycin sulfate
- tobramycin sulfate
- tobramycin sulfate
- tobramycin sulfate
- tobramycin sulfate (pharmacy bulk)
- tobramycinum
- tobramycinum
- tobravisc
- tobrex
- tobrex
- tobrex (tn)
- tobrex (tn)
- tymbrineb
- vantobra
- vantobra
- vantobra
- vantobra
- vantobra
- vantobra
Clinical trials
| NCT ID | Phase | Start date | Sponsor(s) |
|---|---|---|---|
| NCT06404541 | Phase 4 | Jan 10, 2024 | Cairo University |
| NCT06016088 | Phase 1/Phase 2 (Phase 2) | Oct 31, 2023 | Respirion Pharmaceuticals Pty Ltd |
| NCT05865743 | Phase 3 | Sep 30, 2023 | Katholieke Universiteit Leuven, Radboud University, ZonMw: The Netherlands Organisation for Health Research and Development |
| NCT06093191 | Phase 4 | Sep 25, 2023 | Huazhong University of Science and Technology |
| NCT05849090 | Early Phase 1 (Phase 1) | Mar 27, 2023 | University of Utah |
| NCT05429671 | Phase 3 | Jun 20, 2022 | Thomas Jefferson University |
| NCT05169229 | Phase 2/Phase 3 (Phase 3) | Apr 1, 2022 | Linkoping University, Region Östergötland, The Swedish Research Council |
| NCT04964947 | Phase 3 | Dec 31, 2021 | Department of Defense, University of Kentucky |
| NCT04872400 | Phase 4 | Jun 14, 2021 | University of Colorado, University of Colorado, Denver |
| NCT04678154 | Phase 3 | May 7, 2021 | Atrium Medical Center, Johns Hopkins University, Major Extremity Trauma Research Consortium, University of North Carolina at Chapel Hill |
| NCT05076955 | Early Phase 1 (Phase 1) | Mar 31, 2021 | Keystone Pharmacy, University of Mississippi |
| NCT04560179 | Phase 1 | Nov 30, 2020 | Children's Hospital of Philadelphia, University of Pennsylvania |
| NCT05353101 | Phase 1 | Jul 1, 2020 | Nanchang University |
| NCT04297631 | Phase 4 | Feb 14, 2020 | Washington University in St. Louis |
| NCT03975374 | Early Phase 1 (Phase 1) | Jun 15, 2019 | Sutphin Drugs Inc. |
| NCT03875963 | N/A | Apr 30, 2019 | Biocomposites, Ltd., University of Western Ontario |
| NCT03904836 | Phase 1 | Jan 31, 2019 | University of Montreal |
| NCT03928522 | Phase 4 | Jan 28, 2019 | Washington University in St. Louis |
| NCT03715322 | Phase 3 | Dec 31, 2018 | Guangzhou Medical University |
| NCT03721328 | Phase 2 | Oct 26, 2018 | Joint Purification Systems, Ortho Carolina Research Institute |
Organizations
Research & Development (142)
Marketing (65)
| Organization | Org type | Relationship | Date |
|---|---|---|---|
| Akorn, Inc. | For profit | MKTG | Jan 31, 1996 |
| Akorn, Inc. | For profit | SYN | May 28, 2014 |
| Alcon | For profit | SYN | Jul 21, 1989 |
| Alcon | For profit | MKTG | May 25, 1994 |
| Alembic | For profit | MKTG | Apr 19, 2019 |
| Alembic | For profit | SYN | Apr 19, 2019 |
| Alkem Labs Ltd | For profit | MKTG | Apr 1, 2021 |
| Amneal Pharmaceuticals | For profit | MKTG | Jul 13, 2015 |
| Amneal Pharmaceuticals | For profit | MKTG | Jul 15, 2021 |
| Apotex | For profit | MKTG | Feb 25, 2002 |
| Apothecon | For profit | MKTG | May 31, 1994 |
| Aurobindo Pharma | For profit | MKTG | Jan 22, 2021 |
| Bausch & Lomb | For profit | MKTG | Nov 29, 1993 |
| Bausch & Lomb | For profit | NDA2 | Dec 14, 2004 |
| Bausch & Lomb | For profit | SYN | Nov 29, 1993 |
| Baxalta | For profit | MKTG | Jul 1, 2016 |
| Chartwell Pharmaceuticals | For profit | MKTG | Sep 11, 2001 |
| Chiesi | For profit | NDA2 | Oct 12, 2012 |
| Chiesi | For profit | MKTG | Oct 12, 2012 |
| Dr. Reddy's Laboratories | For profit | MKTG | Jul 9, 2018 |
| Eli Lilly | For profit | NDA | Jun 11, 1975 |
| Eli Lilly | For profit | MKTG | Oct 1, 1976 |
| Epic Pharma Llc | For profit | MKTG | Jan 31, 1996 |
| Eugia Pharma | For profit | MKTG | Jun 21, 2023 |
| Eyevance | For profit | MKTG | Jul 21, 1989 |
| Eyevance | For profit | NDA2 | Jul 21, 1989 |
| Fera Development, LLC | For profit | MKTG | Sep 11, 2001 |
| Fosun | For profit | MKTG | Feb 9, 2021 |
| Fresenius | For profit | NDA2 | Nov 29, 2002 |
| Fresenius | For profit | MKTG | Nov 29, 2002 |
| Gland Pharma Ltd | For profit | MKTG | Feb 9, 2021 |
| Gland Pharma Ltd | For profit | SYN | Feb 9, 2021 |
| Hainan Poly Pharm | For profit | MKTG | Feb 1, 2023 |
| Harrow Health | For profit | NDA2 | Jul 21, 1989 |
| Hikma | For profit | MKTG | Apr 26, 1991 |
| Hospira | For profit | MKTG | Jul 31, 1990 |
| Lupin | For profit | MKTG | Mar 22, 2017 |
| Mankind Pharma | For profit | MKTG | Sep 22, 2022 |
| Micro Labs Ltd India | For profit | MKTG | Jul 27, 2023 |
| Mylan | For profit | NDA2 | Dec 22, 1997 |
| Mylan | For profit | MKTG | Mar 11, 2008 |
| Mylan | For profit | SYN | Oct 13, 2017 |
| Mylan | For profit | SYN | Oct 13, 2017 |
| Nestle | For profit | MKTG | May 25, 1994 |
| Novartis | For profit | NDA2 | Dec 12, 1980 |
| Novartis | For profit | SYN | Dec 12, 1980 |
| Novo Nordisk | For profit | MKTG | Sep 16, 2014 |
| PHARMOBEDIENT | For profit | MKTG | Oct 13, 2017 |
| Padagis Us | For profit | MKTG | Feb 11, 2022 |
| Pulmoflow Inc | For profit | NDA2 | Dec 2, 2014 |
| SLATE RUN PHARMA | For profit | MKTG | Feb 1, 2023 |
| Sandoz | For profit | MKTG | Dec 13, 1984 |
| Sandoz | For profit | SYN | Dec 13, 1984 |
| Shandong Luoxin Pharmaceutical Group Stock Co., Ltd. | For profit | MKTG | Jan 22, 2021 |
| Shire | For profit | MKTG | Jul 1, 2016 |
| Somerset Pharmaceuticals | For profit | MKTG | Jun 28, 2017 |
| Sun Pharmaceuticals | For profit | MKTG | Dec 26, 2019 |
| Teligent Pharmaceuticals | For profit | MKTG | Oct 31, 1994 |
| Teva | For profit | MKTG | Jan 30, 1992 |
| Viatris | For profit | MKTG | Dec 22, 1997 |
| Watson Pharmaceuticals | For profit | MKTG | Aug 9, 1989 |
| West-Ward Pharmaceutical | For profit | MKTG | Apr 26, 1991 |
| X Gen Pharmaceuticals | For profit | MKTG | Aug 17, 2001 |
| X Gen Pharmaceuticals | For profit | SYN | Aug 17, 2001 |
| Xellia Pharmaceuticals | For profit | MKTG | Sep 16, 2014 |