Drug
Clarithromycin clinical trials
Also written Biaxin, Klacid, Abbott-56268 and ABT-268.
How each study uses Clarithromycin is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
Get an email when these change. Save the Clarithromycin studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
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Approvals
The first approval found in each region, with its record
- United States
- 31 Oct 1991 · BIAXIN · NDA 050662 (FDA, Drugs@FDA)
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
How studies write it
Studies that test it under each name
Name
Studies by the year they started
141 studies that test it; most in 2017 (12)
| Year | Studies |
|---|---|
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2002 | 9 |
| 2003 | 11 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 3 |
| 2013 | 7 |
| 2014 | 5 |
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 3 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 39 · Other 113
Weill Medical College of Cornell University (5) · Abbott (5) · Ranbaxy Laboratories Limited (5) · Teva Pharmaceuticals USA (4) · Hellenic Institute for the Study of Sepsis (4) · National Institute of Allergy and Infectious Diseases (NIAID) (4) · Mylan Pharmaceuticals Inc (3) · Universidade Estadual Paulista Júlio de Mesquita Filho (3)
Often tested with
Tested in the same studies.
Amoxicillin (43) · Metronidazole (26) · Omeprazole (11) · Levofloxacin (10) · Rabeprazole (8) · Dexamethasone (7) · Bismuth (7) · Lansoprazole (7)
Related medicines
As reviewed, each with the page that says it.
Coming up
From the study records. Dates are the sponsors’ own estimates and often move.
Tested against it · 2 phase 3 studies under way
Clarithromycin is the comparator. A study of two new drugs counts under both.
- 1Azithromycin · Centre Hospitalier Universitaire, Amiens · next primary completion Feb 2028
Reaching primary completion within a year · 3, 1 in phase 3
Studies that test Clarithromycin, phase 3 first.
- Dec 2026Comparative Study Evaluating Safety and Effectiveness of ( Proton Pump Inhibitor Versus Vonoprazan ) Based Triple Therapy With or Without Zinc to Eradicate H. Pylori InfectionPhase 3 · Tanta University
- Dec 2026Improvement of PPROM Management With Prophylactic Antimicrobial Therapy (iPROMPT)Phase 4 · Ohio State University
- Dec 2026Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori InfectionPhase 2 · Tanta University
Studies
Open first, then newest update. How each study uses Clarithromycin is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 152
- Comparative Study Evaluating Safety and Effectiveness of ( Proton Pump Inhibitor Versus Vonoprazan ) Based Triple Therapy With or Without Zinc to Eradicate H. Pylori InfectionRecruitingPhase 3Tanta UniversityNCT07275827Written as Vonoprazan + amoxicillin + clarithromycin
- Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori InfectionRecruitingPhase 2Tanta UniversityNCT07293910Written as Clarithromycin 500 mg
- Study on Drug Interactions Affecting the Pharmacokinetics of RSS0343 TabletNot yet recruitingPhase 1Reistone Biopharma Company LimitedNCT07696091Written as RSS0343 Tablet; Clarithromycin Tablets
- Improvement of PPROM Management With Prophylactic Antimicrobial Therapy (iPROMPT)RecruitingPhase 4Ohio State UniversityNCT06396078Written as Clarithromycin 500mg
- A "Screen and Treat" Helicobacter Pylori Eradication Trial in Adolescents in Three Regions of ChileRecruitingNot applicableMiguel O'Ryan GallardoNCT05926804Written as Clarithromycin
- Clarithromycin Treatment to Prevent Sepsis Progression in CAP (REACT)RecruitingPhase 3Hellenic Institute for the Study of SepsisNCT06294600Written as Clarithromycin 500mg
- Prospective Study of Frontline Antibiotics Therapy in the Treatment of Early-stage HP-negative Gastric MALT LymphomaNot yet recruitingPhase 2National Taiwan University HospitalNCT07144657Written as Esomeprazole, Bismuth tripotassium dicitrate, Tetracycline, and Metronidazole
- Comparison of Omeprazole vs Vonoprazon in Treatment of H Pylori InfectionNot yet recruitingPhase 4Rehman Medical Institute - RMINCT07040839Written as Clarithromycin 500 mg
- Comparison of Two Treatment Regimens of Helicobacter Pylori InfectionNot yet recruitingPhase 4Rehman Medical Institute - RMINCT07021729Written as Clarithromycin
- Helicobacter Pylori Eradication and Follow-upRecruitingPhase 4Shanghai Zhongshan HospitalNCT05061732Written as Clarithromycin
- Clarithromycin Mechanisms in Hypersomnia SyndromesCompletedPhase 2Emory UniversityNCT04026958Written as Clarithromycin
- Susceptibility-Guided Therapy for Helicobacter Pylori Infection TreatmentWithdrawnPhase 4Shanghai Zhongshan HospitalNCT05250050Written as Clarithromycin
- A Phase II Study of Daratumumab, Clarithromycin, Pomalidomide And Dexamethasone (D-ClaPd) In Multiple Myeloma Patients Previously Exposed to DaratumumabActive, not recruitingPhase 2Weill Medical College of Cornell UniversityNCT04302324Written as Clarithromycin
- Treatment of Mycobacterium Xenopi Pulmonary InfectionCompletedPhase 3Centre Hospitalier Universitaire, AmiensNCT01298336Written as Clarithromycin
- Helicobacter Pylori Infection and Gastric Disease in Bhutan: First Community-Wide, Population-Based StudyCompletedNot applicableZero Helicobacter IGAN NetworkNCT07211880Written as Rabeprazole Sodium, Amoxicillin Hydrate, Clarithromycin
- Effects of Different Antibiotic Regimens in Preterm Premature Rupture of MembranesCompletedNot applicableYuzuncu Yil UniversityNCT07148622Written as Antibiotic regimen 2: ceftriaxone + clarithromycin + amoxicillin
- A Study to Assess the Drug-Drug Interaction Between Bedaquiline and Clarithromycin in Healthy Adult ParticipantsCompletedPhase 1Janssen Research & Development, LLCNCT03800550Written as Clarithromycin
- Clarithromycin + Lenalidomide Combination: a Full Oral Treatment for Patients With Relapsed/Refractory Extranodal Marginal Zone LymphomaCompletedPhase 2International Extranodal Lymphoma Study Group (IELSG)NCT03031483Written as clarithromycin and lenalidomide
- Clarithromycin 500 mg Tablets Under Fasting ConditionsCompletedPhase 1Teva Pharmaceuticals USANCT00835692Written as Clarithromycin
- Clarithromycin 500 mg Tablets Under Non-Fasting ConditionsCompletedPhase 1Teva Pharmaceuticals USANCT00836706Written as clarithromycin
See all 152 studies that test Clarithromycin →
Given beside what is tested · 66 — Clarithromycin is usual care or a partner of the new treatment
- Selinexor and Backbone Treatments of Multiple Myeloma PatientsRecruitingPhase 1/2Karyopharm Therapeutics IncNCT02343042Written as Clarithromycin
- Finding the Optimal Regimen for Mycobacterium Abscessus TreatmentRecruitingPhase 2/3The University of QueenslandNCT04310930Written as Clarithromycin
- Testing a Novel Combination Treatment (Arm D) Versus Standard of Care for Intensive Phase Treatment for Mycobacterium Abscessus Pulmonary Disease in People With or Without Cystic Fibrosis in the Finding the Optimal Regimen for Mycobacterium Abscessus Treatment (FORMaT) Adaptive Platform TrialNot yet recruitingPhase 2The University of QueenslandNCT07485010Written as clarithromycin
- The Effect of Vitamin D Supplement as Adjuvant Therapy in Eradication of Helicobacter Pylori InfectionNot yet recruitingPhase 3Assiut UniversityNCT06964334Written as clarithromycin
- Study of Nitazoxanide (NTZ) for Helicobacter Pylori in ChildrenRecruitingPhase 3Tanta UniversityNCT04415983Written as Clarithromycin
- Ixazomib With Pomalidomide, Clarithromycin and Dexamethasone in Treating Patients With Multiple MyelomaCompletedPhase 1/2Joseph TuscanoNCT02542657Written as Clarithromycin
- Carfilzomib, Clarithromycin (Biaxin®), Lenalidomide (Revlimid®), and Dexamethasone (Decadron®) [Car-BiRD] Therapy for Subjects With Multiple MyelomaCompletedPhase 2Weill Medical College of Cornell UniversityNCT01559935Written as Clarithromycin
- Autologous Stem Cell Transplant With Pomalidomide (CC-4047®) Maintenance Versus Continuous Clarithromycin/ Pomalidomide / Dexamethasone Salvage Therapy in Relapsed or Refractory Multiple MyelomaCompletedPhase 2Memorial Sloan Kettering Cancer CenterNCT01745588Written as Clarithromycin
- Efficacy and Safety of Black Seed Oil With Vonoprazan Based Triple Therapy in Treatment of Helicobacter PyloriActive, not recruitingPhase 2Ain Shams UniversityNCT05957432Written as Vonoprazan, Amoxicillin and Clarithromycin
- Study to Evaluate the Preliminary Efficacy of SKB264 and the Effect of Clarithromycin on the PK of SKB264 in OCActive, not recruitingPhase 2Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.NCT07341100Written as Clarithromycin
- A Drug Interaction Study of Clarithromycin and LY3502970 in Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT05469126Written as Clarithromycin
- A Study of Bedaquiline Administered as Part of a Treatment Regimen With Clarithromycin and Ethambutol in Adult Patients With Treatment-refractory Mycobacterium Avium Complex-lung Disease (MAC-LD)CompletedPhase 2/3Janssen Pharmaceutical K.K.NCT04630145Written as Clarithromycin
- A Study to Learn if Study Medicines Called Cyclosporine and Clarithromycin Affect How the Body Processes the Other Study Medicine Called PF-07328948 in Healthy AdultsCompletedPhase 1PfizerNCT06837259Written as clarithromycin
- Drug Interaction Study on Linaprazan Glurate CapsulesCompletedPhase 1Jiangsu Sinorda Biomedicine Co., LtdNCT07294846Written as Clarithromycin tablets
- Study to Evaluate the Efficacy and Safety of DWP14012-based Triple Therapy in Eradication of Helicobacter PyloriCompletedPhase 3Daewoong Pharmaceutical Co. LTD.NCT06751121Written as Clarithromycin 500mg
- Investigation of Drug-drug Interaction of HRS-5965 With Clopidogrel and Clarithromycin in Healthy SubjectsCompletedPhase 1Chengdu Suncadia Medicine Co., Ltd.NCT07040787Written as Clarithromycin
- Efficacy of Nitazoxanide Based Therapy vs Standard Triple Therapy in H-pylori in ChildrenCompletedNot applicableMuhammad Aamir LatifNCT07086937Written as Clarithromycin
- Helicobacter Pylori Eradication StudyCompletedPhase 4Inje UniversityNCT03130452Written as Clarithromycin 500mg
- A Study to Determine the Effect of KP-001 on Metformin and Midazolam Pharmacokinetics and the Effect of Clarithromycin on KP-001 Pharmacokinetics in Healthy Adult ParticipantsCompletedPhase 1Kaken PharmaceuticalNCT06227832Written as Clarithromycin
- 7 Days vs. 14 Days of Vonoprazan-based Triple Therapy for H. Pylori EradicationCompletedPhase 3Alexandria UniversityNCT06576882Written as Clarithromycin
Showing 20 of 66.
As the comparator · 43 — what is tested is compared with Clarithromycin
- Safety of Vonoprazan-Amoxicillin Dual Therapy Versus Concomitant Quadruple Therapy for H. Pylori EradicationRecruitingPhase 4Ignacio MoratorioNCT07924098Written as Clarithromycin 500 mg
- CLARITHROMYCIN TO PREVENT SECONDARY INFECTIONS IN PATIENTS WITH SEPSIS FOLLOWING LOWER RESPIRATORY TRACT INFECTIONS: THE CLASSIFY TRIALRecruitingPhase 3Hellenic Institute for the Study of SepsisNCT07834346Written as clarithromycin
- Efficacies of Bismuth-amoxicillin-vonoprazan Triple Therapy, Vonoprazan-amoxicillin Dual Therapy and Proton Pump Inhibitor-based Standard Triple Therapy for Hp EradicationRecruitingNot applicableKaohsiung Medical UniversityNCT06349486Written as rabeprazole, amoxicillin, clarithromycin
- CLArithromycin Versus AZIthromycin in the Treatment of Mycobacterium Avium Complex (MAC) Lung InfectionsRecruitingPhase 3Centre Hospitalier Universitaire, AmiensNCT03236987Written as Clarithromycin 1000 MG
- Efficacy Comparison of Vonoprazan Combined With Different Antibiotics in Dual Therapy for Helicobacter Pylori Eradication: A Prospective, Randomized Controlled Clinical TrialRecruitingPhase 4Yongquan ShiNCT07068607Written as Clarithromycin 500 mg
- Study on the Efficacy and Safety of Berberine, Minocycline, Esomeprazole, and Colloidal Bismuth Quadruple Therapy in the Initial Treatment of Helicobacter Pylori.RecruitingPhase 4Xijing Hospital of Digestive DiseasesNCT06603688Written as clarithromycin
- Efficacy and Safety of Faropenem in Bangladeshi Adult Patients With Community-Acquired Bacterial Pneumonia (CABP)CompletedPhase 4Dr. Md. Alimur RezaNCT06804096Written as Clarithromycin 500 mg
- Fourteen-Day Vonoprazan-Based Dual Therapy With Amoxicillin as First-Line Helicobacter Pylori Treatment in Comparison With Extended Sequential TherapyCompletedPhase 4Fu Jen Catholic University HospitalNCT06156085Written as Lansoprazole, Amoxicillin, Clarithromycin and Metronidazole
- Efficacy and Safety of Rifasutenizol (TNP 2198), Rabeprazole and Amoxicillin in Participants With H. Pylori InfectionCompletedPhase 3TenNor Therapeutics (Suzhou) LimitedNCT05857163Written as Clarithromycin tablets
- Efficacy and Safety of Tegoprazan and Minocycline Dual Therapy for Helicobacter Pylori Initial TreatmentActive, not recruitingPhase 4Xijing Hospital of Digestive DiseasesNCT06523764Written as clarithromycin
- Study on The Efficacy and Safety of Vonoprazan-containing Berberine Triple Therapy in Helicobacter Pylori First-Line EradicationCompletedPhase 4Xijing Hospital of Digestive DiseasesNCT06514274Written as Clarithromycin
- Effects of High-dose Dual Therapy and Bismuth Quadruple Therapy for Helicobacter Pylori Eradication on Intestinal MicroecologyCompletedPhase 4Xijing Hospital of Digestive DiseasesNCT05742568Written as Clarithromycin
- Furazolidone Quadruple Regimen Eradicate H. Pylori InfectionCompletedPhase 1/2Liaocheng People's HospitalNCT06823791Written as Clarithromycin
- Esomeprazole/Vonoprazan Combined With High-dose Amoxicillin Dual Therapy for Primary Eradication of Helicobacter Pylori InfectionCompletedNot applicableThe Third Xiangya Hospital of Central South UniversityNCT06250634Written as Vonoprazan + amoxicillin + clarithromycin
- Efficacy and Safety of Dual Therapy as First-line Treatment for Hp InfectionStatus unknownPhase 4Second Affiliated Hospital, School of Medicine, Zhejiang UniversityNCT05419674Written as Clarithromycin
- High Dose Dual Therapy vs Clarithromycin Triple Therapy for Treatment Naive H Pylori Infection in an Urban PopulationCompletedPhase 4Icahn School of Medicine at Mount SinaiNCT05342532Written as Clarithromycin
- Helicobacter Pylori Eradication With Berberine Plus Amoxicillin Triple Therapy Versus Bismuth-containing Quadruple TherapyCompletedPhase 4Xijing Hospital of Digestive DiseasesNCT04697186Written as Clarithromycin
- Study on The Efficacy and Safety of Berberine-containing Triple Therapy in Helicobacter Pylori First-Line EradicationCompletedPhase 4Xijing Hospital of Digestive DiseasesNCT05014334Written as Clarithromycin
- ILTHPI - Comparison of Medicament Containing Tetracycline, Metronidazole, Bismuth Versus Amoxicillin, Metronidazole, ClarithromycinCompletedPhase 4Mackay Memorial HospitalNCT04853875Written as Amoxicillin, Metronidazole, Clarithromycin
- Efficacies of Hybrid and High-dose Dual Therapies for the First-line Anti-H Pylori TreatmentCompletedNot applicableChang Gung Memorial HospitalNCT05152004Written as Klaricid
Showing 20 of 43.
Codes
What other systems call Clarithromycin · ClinicalTrials.gg INT008571
- MeSH (NLM) D017291ClarithromycinConfirmed ClinicalTrials.gov, NLM, Wikidata
- UNII (FDA) H1250JIK0ACLARITHROMYCINConfirmed FDA, NLM, Wikidata
- RxNorm 21212Confirmed FDA, Wikidata
- Wikidata Q118551clarithromycinConfirmed FDA, NLM, Wikidata
- NCI Thesaurus C1054ClarithromycinOne source FDA
- DrugBank DB01211One source Wikidata
| System | Code | Name there | Checked by |
|---|---|---|---|
| MeSH (NLM) | D017291 | Clarithromycin | Confirmed ClinicalTrials.gov, NLM, Wikidata |
| UNII (FDA) | H1250JIK0A | CLARITHROMYCIN | Confirmed FDA, NLM, Wikidata |
| RxNorm | 21212 | — | Confirmed FDA, Wikidata |
| Wikidata | Q118551 | clarithromycin | Confirmed FDA, NLM, Wikidata |
| NCI Thesaurus | C1054 | Clarithromycin | One source FDA |
| DrugBank | DB01211 | — | One source Wikidata |
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.