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ClinicalTrials.gov public records Last synced Oct 10, 2026, 12:51 AM EDT

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Showing 97–120 of 130 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: trimethoprim/sulfamethoxazole Clear all
Completed Phase 3 Interventional

A Controlled Comparative Trial of Sulfamethoxazole-Trimethoprim Versus Aerosolized Pentamidine for Secondary Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients Receiving Azidothymidine (AZT)

NCT00000727
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate, Pyrimethamine, Sulfamethoxazole/Trimethoprim, Sulfadoxine/Pyrimethamine, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1991
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 4 Interventional

Gradual Initiation of Sulfamethoxazole/Trimethoprim as Primary Pneumocystis Carinii Pneumonia Prophylaxis

NCT00000816
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
40
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Not applicable Interventional

Endourology Disease Group Excellence (EDGE) Consortium: Antibiotics (Abx) for Percutaneous Nephrolithotomy (PCNL) Part 2

NCT02829060
View directory record Official record
Conditions
Nephrolithiasis, Urinary Tract Infection (UTI), Sepsis
Interventions
Nitrofurantoin 100 MG, 7d, Gentamicin, 5mg/kg, Ampicillin 2g, Nitrofurantoin 100 mg, 48 hrs, Gentamicin, 80 mg, 7d, Gentamicin, 80 mg, 48hr
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 10, 2026, 12:51 AM EDT
Active, not recruiting Early Phase 1 Interventional

Collaborative Urological Prosthetics Investigation Directive Research Group

NCT05100654
View directory record Official record
Conditions
Erectile Dysfunction, Penile Prosthesis Infection
Interventions
Doxycycline, Ciprofloxacin, Augmentin, Bactrim
Drug
Lead sponsor
University of Chicago
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Treatments on Atopic Dermatitis

NCT01631617
View directory record Official record
Conditions
Eczema, Dermatitis, Skin Diseases, Genetic, Dermatitis, Atopic, Skin Diseases
Interventions
Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, Doxycycline, Sodium hypochlorite, Placebo capsules, Placebo Sodium hypochlorite
Drug · Other
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
2 Years to 50 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Terminated Phase 4 Interventional Results available

Comparing Oral Versus Parenteral Antimicrobial Therapy

NCT05977868
View directory record Official record
Conditions
Endovascular Infection, Bone and Joint Infection, Skin and Soft Tissue Infection, Pulmonary Infection, Gastrointestinal Infection, Genitourinary Infection
Interventions
Amoxicillin, amoxicillin-clavulanate, cefadroxil, cefpodoxime, cefalexin, ciprofloxacin, delafloxacin, doxycycline, levofloxacin, linezolid, Ampicillin, ampicillin-sulbactam, cefazolin, cefepime, ceftaroline, ceftazidime, ceftazidime-avibactam, dalbavancin, daptomycin, ertapenem
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Short Course Nitrofurantoin for Acute Cystitis

NCT00391651
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Nitrofurantoin 100mg twice daily x 5 days, TMP/SMX DS twice daily x 3 days
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced Oct 10, 2026, 12:51 AM EDT
Terminated Phase 2 Interventional

Safety and Efficacy of CEM-102 With Rifampin Compared to Standard Therapy in Patients With Prosthetic Joint Infections or Spacer Infection

NCT01756924
View directory record Official record
Conditions
Prosthetic Joint Infections of Hip, Prosthetic Joint Infections of Knee, Infected Spacers
Interventions
CEM-102, IV or Oral standard of care antibiotics, Rifampin
Drug
Lead sponsor
Arrevus Inc.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
Sarasota, Florida • Tamarac, Florida • Savannah, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2019 · Synced Oct 10, 2026, 12:51 AM EDT
Withdrawn Phase 4 Interventional

Corticosteroids Therapy and Pneumocystis Jirovecii Pneumonia (PCP)

NCT00636935
View directory record Official record
Conditions
Pneumocystis Carinii Pneumonia
Interventions
Antibiotics only, Antibiotics + Corticosteroids, Corticosteroids + antibiotics
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 1 Interventional

Effect of Fluconazole, Clarithromycin, and Rifabutin on the Pharmacokinetics of Sulfamethoxazole-Trimethoprim and Dapsone and Their Hydroxylamine Metabolites

NCT00000826
View directory record Official record
Conditions
Bacterial Infections, Mycoses, HIV Infections
Interventions
Clarithromycin, Rifabutin, Sulfamethoxazole-Trimethoprim, Dapsone, Fluconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
2
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 10, 2026, 12:51 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

New Mexico Honey Wound Treatment Research Study

NCT01748318
View directory record Official record
Conditions
Community-acquired Methicillin-resistant Staphylococcus Aureus Infection
Interventions
New Mexico Honey, Bactrim DS
Drug
Lead sponsor
R. Stephen Rankin, M.D.
Individual
Eligibility
16 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Farmington, New Mexico
Source: ClinicalTrials.gov public record
Updated May 10, 2016 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 3 Interventional Results available

Antibiotic Therapy in Preventing Early Infection in Patients With Multiple Myeloma Who Are Receiving Chemotherapy

NCT00002850
View directory record Official record
Conditions
Infection, Multiple Myeloma
Interventions
ciprofloxacin, ofloxacin, 160 mg trimethoprim and 800 mg sulfamethoxazole
Drug
Lead sponsor
Gary Morrow
Other
Eligibility
18 Years to 120 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2012
U.S. locations
43
States / cities
Mobile, Alabama • Cedar Rapids, Iowa • Ottumwa, Iowa + 32 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 1 Interventional

VNP20009 in Treating Patients With Advanced or Metastatic Solid Tumors That Have Not Responded to Previous Therapy

NCT00004216
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
salmonella VNP20009, cefixime, ceftriaxone sodium, ciprofloxacin, trimethoprim-sulfamethoxazole
Biological · Drug
Lead sponsor
Vion Pharmaceuticals
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2008
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trial of Antibiotic Treatment for Skin Abscess in Patients at Risk for Methicillin-Resistant Staphylococcus Aureus (MRSA) Infection

NCT00829686
View directory record Official record
Conditions
Abscess
Interventions
Septra
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2017 · Synced Oct 10, 2026, 12:51 AM EDT
Recruiting Phase 4 Interventional

Trimethoprim-sulfamethoxazole vs. Clindamycin for the Treatment of Children With Invasive MRSA Infections

NCT06982105
View directory record Official record
Conditions
Methicillin Resistant Staphylococcus Aureus, Osteomyelitis Acute, Septic Arthritis, Orbital Cellulitis, Facial Cellulitis, Mastoiditis, Cervical Adenitis, Retropharyngeal Abscess, Peritonsillar Abscess
Interventions
Trimethoprim Sulfamethoxazole
Drug
Lead sponsor
Indiana University
Other
Eligibility
2 Months to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 2 Interventional

Combination Chemotherapy in Treating Patients With AIDS-Related Lymphoma

NCT00002524
View directory record Official record
Conditions
Lymphoma
Interventions
Bleomycin Sulfate, Filgrastim, Cisplatin, Cyclophosphamide, Cytarabine, Doxorubicin Hydrochloride (DOX), Etoposide, Fluorouracil, Ifosfamide, Leucovorin calcium, Methotrexate, Methylprednisolone, Pentamidine, Prednisone, Trimethoprim-Sulfamethoxazole, Vincristine Sulfate, Zidovudine (AZT), Radiation Therapy
Biological · Drug · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
15 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2005
U.S. locations
2
States / cities
Orlando, Florida • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Oct 10, 2026, 12:51 AM EDT
Recruiting Phase 1 Interventional

A Study of the Safety and Tolerability of ASP7317 in Senior Adults Who Are Losing Their Clear, Sharp Central Vision Due to Geographic Atrophy Secondary to Dry Age-related Macular Degeneration

NCT03178149
View directory record Official record
Conditions
Age-Related Macular Degeneration
Interventions
ASP7317, tacrolimus, trimethoprim-sulfamethoxazole, Acyclovir, Nystatin
Drug
Lead sponsor
Astellas Institute for Regenerative Medicine
Industry
Eligibility
50 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Completed Phase 3 Interventional

A Comparison of Atovaquone and Pentamidine in the Prevention of Pneumocystis Carinii Pneumonia in HIV-Infected Patients Who Cannot Take TMP/SMX

NCT00002340
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone, Pentamidine isethionate
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
13 Years and older
Enrollment
615 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
5
States / cities
Maitland, Florida • Tampa, Florida • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 10, 2026, 12:51 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Use of Prophylactic Antibiotics Prior to OnabotulinumtoxinA

NCT05519072
View directory record Official record
Conditions
Antibiotic Prophylaxis
Interventions
Nitrofurantoin
Drug
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Oct 10, 2026, 12:51 AM EDT
Not yet recruiting Phase 4 Interventional

Effect of S. Aureus Skin Decolonization on Disease Severity in Atopic Dermatitis Patients

NCT06397781
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Skin Cleanser Combination No.1
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2031 – 2039
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Comparison of Topical Therapies in Post op Endoscopic Sinus Surgery Patients

NCT03303677
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Saline Nasal, Budesonide Nasal, Topical Antibacterial (Product)
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2018 · Synced Oct 10, 2026, 12:51 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Single Dose Aminoglycosides for Acute Uncomplicated Cystitis in the Emergency Department Setting

NCT05702762
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Gentamicin, Standard of Care
Drug
Lead sponsor
Mercy Health Ohio
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2023 · Synced Oct 10, 2026, 12:51 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

TEMPO Study: Trimethoprim-Sulfamethoxazole in Granulomatosis With Polyangiitis

NCT03919435
View directory record Official record
Conditions
Granulomatosis With Polyangiitis, Wegener Granulomatosis
Interventions
Trimethoprim Sulfamethoxazole
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 10, 2026, 12:51 AM EDT
Terminated Not applicable Interventional Results available

Randomized Controlled Trial of Antibiotics in the Management of Children With Community-Acquired Abscess

NCT01498744
View directory record Official record
Conditions
Abscess Soft Tissue, Methicillin-resistant Staphylococcus Aureus (MRSA) Infection, Skin Abscess
Interventions
Oral Clindamycin
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
1 Month to 17 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 25, 2016 · Synced Oct 10, 2026, 12:51 AM EDT