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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:20 AM EDT

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Showing 1–24 of 127 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bactrim Clear all
Not listed Phase 4 Interventional

Struvite Stones Antibiotic Study

NCT02375295
View directory record Official record
Conditions
Kidney Stones
Interventions
ciprofloxacin, cotrimoxazole-trimethoprim, macrodantin
Drug
Lead sponsor
University of British Columbia
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
11
States / cities
Scottsdale, Arizona • San Diego, California • Baltimore, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 4 Interventional Results available

Utility of Trimethoprim-sulfamethoxazole Use in Skin Abscess Management

NCT00679302
View directory record Official record
Conditions
Skin Diseases, Infectious
Interventions
Trimethoprim-sulfamethoxazole, Placebo group
Drug
Lead sponsor
St. Louis University
Other
Eligibility
3 Months to 18 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 4, 2018 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Steroid-Free Versus Steroid-Based Immunosuppression in Pediatric Renal (Kidney) Transplantation

NCT00141037
View directory record Official record
Conditions
Kidney Diseases, Kidney Transplantation, Kidney Transplant, Renal Transplantation, Renal Transplant
Interventions
Daclizumab, Mycophenolate mofetil (MMF), Prednisone, Tacrolimus, Ganciclovir, Valganciclovir, Trimethoprim and sulfamethoxazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 21 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
12
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Oct 21, 2026, 6:20 AM EDT
Terminated Phase 3 Interventional Results available

CleanUP IPF for the Pulmonary Trials Cooperative

NCT02759120
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Antimicrobial therapy: Co-trimoxazole or Doxycycline, No Intervention: Standard of Care
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years and older
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Sacramento, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 1 Interventional

Randomized Phase I Study of Trimetrexate Glucuronate (TMTX) With Leucovorin (LCV) Protection Plus Dapsone Versus Trimethoprim / Sulfamethoxazole (TMP/SMX) for Treatment of Moderately Severe Episodes of Pneumocystis Carinii Pneumonia

NCT00002120
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Trimethoprim, Sulfamethoxazole, Dapsone, Leucovorin calcium
Drug
Lead sponsor
U.S. Bioscience
Industry
Eligibility
13 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 21, 2026, 6:20 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 21, 2026, 6:20 AM EDT
Active, not recruiting Not applicable Interventional

Prophylactic Antibiotics or Placebo After Hypospadias Repair

NCT02096159
View directory record Official record
Conditions
Hypospadias
Interventions
trimethoprim-sulfamethoxazole, placebo
Drug · Other
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
Up to 5 Years · Male only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vanderbilt Pertussis Exposure Study: PEP in Vaccinated Healthcare Workers Following Pertussis Exposure

NCT00469274
View directory record Official record
Conditions
Pertussis
Interventions
Antibiotic PEP
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 64 Years
Enrollment
1,102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 29, 2013 · Synced Oct 21, 2026, 6:20 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 21, 2026, 6:20 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 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional

A Controlled Trial Comparing the Efficacy of Aerosolized Pentamidine and Parenteral / Oral Trimethoprim - Sulfamethoxazole in the Treatment of Pneumocystis Carinii Pneumonia in AIDS

NCT00002056
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate
Drug
Lead sponsor
LyphoMed
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rosemont, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of 3 Versus 10 Days of Antibiotics in Skin Abscesses After Surgical Drainage

NCT02024867
View directory record Official record
Conditions
Skin Disease, Bacterial, Abscess
Interventions
Trimethoprim-Sulfamethoxazole
Drug
Lead sponsor
Lucy Holmes, MD
Other
Eligibility
3 Months to 17 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 3 Interventional Results available

Combination Chemotherapy With or Without Colony-stimulating Factors in Treating Women With Breast Cancer

NCT00014222
View directory record Official record
Conditions
Breast Cancer
Interventions
epoetin alfa, filgrastim, cyclophosphamide, doxorubicin hydrochloride, epirubicin hydrochloride, fluorouracil, paclitaxel
Biological · Drug
Lead sponsor
NCIC Clinical Trials Group
Network
Eligibility
Up to 60 Years · Female only
Enrollment
2,104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2014
U.S. locations
44
States / cities
Fort Smith, Arkansas • Little Rock, Arkansas • La Jolla, California + 39 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 3 Interventional

Study of Rezafungin Compared to Standard Antimicrobial Regimen for Prevention of Invasive Fungal Diseases in Adults Undergoing Allogeneic Blood and Marrow Transplantation

NCT04368559
View directory record Official record
Conditions
Candidemia, Mycoses, Fungal Infection, Fungemia, Invasive Candidiasis, Pneumocystis, Mold Infection, Invasive Fungal Disease, Prophylaxis of Invasive Fungal Infections, Aspergillus
Interventions
Rezafungin for Injection, Posaconazole, Fluconazole, Trimethoprim-sulfamethoxazole (TMP/SMX), Intravenous Placebo, Oral Placebo
Drug
Lead sponsor
Mundipharma Research Limited
Industry
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 21, 2026, 6:20 AM EDT
Recruiting Phase 4 Interventional

Prophylactic Oral Antibiotics on Sinonasal Outcomes Following Endoscopic Transsphenoidal Surgery for Pituitary Lesions

NCT03014687
View directory record Official record
Conditions
Antibiotics, Pituitary Adenoma
Interventions
Placebo, Oral Antibiotics cefdinir or trimethoprim/sulfamethoxazole
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 84 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 3 Interventional

Comparison of Trimetrexate Plus Leucovorin Calcium Rescue Versus Sulfamethoxazole-Trimethoprim in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in Patients With AIDS

NCT00001013
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Pentamidine isethionate, Sulfamethoxazole-Trimethoprim, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1991
U.S. locations
23
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Phase 1 Interventional

11C-Trimethoprim PET/CT Imaging to Evaluate Biodistribution and Kinetics in Human Subjects

NCT03424525
View directory record Official record
Conditions
Bacterial Infections
Interventions
11C-Trimethoprim
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 21, 2026, 6:20 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 21, 2026, 6:20 AM EDT
Completed Phase 2 Interventional

SWOG-9239 Reduction of Immunosuppression Plus Interferon Alfa and Combination Chemotherapy in Treating Patients With Malignant Tumors That Develop After Organ Transplant

NCT00002657
View directory record Official record
Conditions
Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm
Interventions
bleomycin sulfate, recombinant interferon alfa, cyclophosphamide, cytarabine, doxorubicin hydrochloride, etoposide, methotrexate, prednisone, vincristine sulfate, conventional surgery, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
15 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2011
U.S. locations
86
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional Results available

Study of New Antibiotic Regimen for the Treatment of Uncomplicated Cellulitis in Emergency Department Patients

NCT00676130
View directory record Official record
Conditions
Cellulitis
Interventions
trimethoprim-sulfamethoxazole, Cephalexin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
12 Months and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional

Improving Drug Adherence Among Adolescents in Uganda Using SMS Reminders

NCT02128087
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Two-way SMS intervention, One-way SMS intervention group
Behavioral
Lead sponsor
RAND
Other
Eligibility
15 Years to 24 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 21, 2026, 6:20 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Antibiotics Versus Placebo in the Treatment of Abscesses in the Emergency Department

NCT00867789
View directory record Official record
Conditions
Abscess
Interventions
Trimethoprim-sulfamethoxazole, Sugar pill
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
3 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional

A Randomized, Double-Blind, Placebo Controlled Study of l-Leucovorin in Combination With Trimethoprim / Sulfamethoxazole in the Therapy of Pneumocystis Carinii Pneumonia in Patients With the Acquired Immunodeficiency Syndrome

NCT00002002
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimethoprim, Sulfamethoxazole, Leucovorin calcium
Drug
Lead sponsor
Lederle Laboratories
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 21, 2026, 6:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Single Dose Monurol for Treatment of Acute Cystitis

NCT00976963
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
TMP/SMX, Fosfomycin
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 21, 2026, 6:20 AM EDT