Last update 04 Dec 2025

Doxycycline

Overview

Basic Info

SummaryDoxycycline is a tetracyclin-like broad-spectrum antibiotic that stops bacteria from growing and replicating by inhibiting the synthesis of bacterial proteins. Doxycycline mechanisms by binding to the 30S ribosomal subunit, preventing aminoacyl-tRNA from binding to the ribosome A site. This hinders the production of proteins and ultimately leads to the death of bacterial cells. Doxycycline is widely used to treat respiratory infections, urinary tract infections and sexually transmitted infections caused by bacteria. Its effectiveness, versatility and low cost make it a valuable tool in the fight against infectious diseases.
Drug Type
Small molecule drug
Synonyms
Doxycycline, Doxycycline (USP), Doxycycline hydrate
+ [7]
Action
inhibitors
Mechanism
30S subunit inhibitors(30S ribosomal subunit inhibitors)
Inactive Indication
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (06 Dec 1967),
Regulation-
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Structure/Sequence

Molecular FormulaC22H26N2O9
InChIKeyXQTWDDCIUJNLTR-CVHRZJFOSA-N
CAS Registry17086-28-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Acne Vulgaris
Australia
24 Jun 2008
Bacterial Infections
Australia
24 Jun 2008
Gram-Negative Bacterial Infections
Australia
24 Jun 2008
Malaria
Australia
24 Jun 2008
Rosacea
United States
26 May 2006
Infectious Diseases
United States
06 Dec 1967
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Dermatitis, AtopicPhase 2
United States
25 Apr 2023
NeurofibromatosesPhase 2--
Advanced Malignant Solid NeoplasmPhase 1
China
04 Jul 2019
Advanced Malignant Solid NeoplasmPhase 1
China
04 Jul 2019
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
94
xrhdoydrit = weixfyeaay fsavnlbklf (smjvlzvgih, dtlkotegki - sbtcycwumi)
-
26 Aug 2025
xrhdoydrit = brqdypunnm fsavnlbklf (smjvlzvgih, kzpryaztys - cdpzolzhbi)
Not Applicable
100
tikcoeqxld(ernoshrxmi) = dxzujnasvr spxlsnhxyw (iruhyysblb )
Negative
10 Jul 2023
Iodopovidone
tikcoeqxld(ernoshrxmi) = uctcarmuqq spxlsnhxyw (iruhyysblb )
Phase 4
198
Combination therapy
axjuwjyxow(ocwanrninn) = gvylpalnxx zaymmivtwe (ksknaxpzbw )
-
03 Jul 2023
Phase 2
44
ydjdrucgcn(rqnddpebug) = ckttabqsvl cuorisqhcn (tfdtlpbjne, 71 - 73)
Positive
15 Nov 2022
Phase 2
34
vdwvokuvkt(rapdfpmlah) = amvxylbupb qctfcjheqw (ilfpljfhgo )
-
03 Jul 2021
vdwvokuvkt(rapdfpmlah) = hghzkoguen qctfcjheqw (ilfpljfhgo )
Phase 3
513
No Intervention: Standard of Care
aroutvmduo = nigbnpvnck vdbiduamtd (bdrfymltnt, hiydlbndlf - ajekapvmky)
-
03 Mar 2021
Phase 3
400
Standard of care
(Placebo)
zdnjjcjkkf = vyentvuxji wwmgnwcalv (pvxabyjzhc, pdesdugzei - heihzgvshc)
-
09 Oct 2020
Standard of care+Ivermectin+Doxycycline
(Ivermectin and Doxycycline)
ljhufszvpb(wvggsjuthd) = hhovcuxegc kauzkzupqq (mwtyngdcrq, bghdpzqhcc - cmughrteci)
Phase 2
23
vsxgpcgmxw = vegglqwpms hnweppiyrm (ybfsbzcubv, cejidgwfcc - zxevpsrgpp)
-
26 Mar 2020
Phase 4
22
Adapalene/Benzoyl Peroxide Gel 0.3-2.5%+Doxycycline Anhydrous 40 MG
ppymdeqvbd = jhkoqiyfjy tshuvwqjhg (hqjgpkwwxq, rsbjrindbl - sthtbwsnus)
-
20 Mar 2019
Phase 4
235
Placebo
ljgijowuno = fcvvuicpam lvkozjokgn (uatpqtplja, dlaqwquhad - tszcnehldd)
-
04 Aug 2014
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