Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 12:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 130 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Staphylococcal Infection
Interventions
Cephalexin, Clindamycin, Placebo, Trimethoprim-sulfamethoxazole
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
Phoenix, Arizona • Sylmar, California • Baltimore, Maryland + 2 more
Terminated Phase 1Phase 2 Interventional Results available

Treatment of Pneumocystis in COPD (the TOPIC Study)

NCT05418777
Conditions
COPD Exacerbation Acute
Interventions
Trimethoprim Sulfamethoxazole, Placebo
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
40 Years to 89 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Methylprednisolone, Pentamidine isethionate, Sulfamethoxazole-Trimethoprim, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1989
U.S. locations
1
States / cities
West Columbia, South Carolina
Conditions
Complicated Urinary Tract Infection (cUTI) Including Acute Pyelonephritis
Interventions
Ceftazidime - Avibactam ( CAZ-AVI), Doripenem, Either switch to oral therapy: 500 mg of Ciprofloxacin (oral), or switch to oral therapy: 800 mg/160 mg of sulfamethoxazole/trimethoprim (oral)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
641 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Detroit, Michigan • St Louis, Missouri • Indiana, Pennsylvania
Completed Not applicable Interventional Results available

Seven vs. 14 Days Treatment for Male Urinary Tract Infection

NCT01994538
Conditions
Urinary Tract Infections
Interventions
Longer therapy duration, Shorter therapy duration
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota • Houston, Texas
Conditions
Kidney Cancer
Interventions
dactinomycin, filgrastim, carboplatin, cyclophosphamide, doxorubicin hydrochloride, etoposide, vincristine sulfate, conventional surgery, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 21 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
206
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 151 more
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Weight and/or Obesity on Sulfamethoxazole and Trimethoprim Concentrations

NCT01167452
Conditions
Obesity, Pharmacokinetics, MRSA, Tuberculosis, PCP
Interventions
Sulfamethoxazole/trimethoprim
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Dallas, Texas
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
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
Conditions
Kidney Transplantation, Kidney Disease
Interventions
Alemtuzumab, Sirolimus, Tacrolimus, Kidney transplant, Methylprednisolone (or equivalent), Acetaminophen, Diphenhydramine, Trimethoprim (TMP)/Sulfa (Bactrim, Septra), Valgancyclovir, Acyclovir, Pentamidine, Clotrimazole, Nystatin
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Urolithiasis, UTI
Interventions
Ciprofloxacin, trimethoprim/sulfamethoxazole, No Intervention
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
San Diego, California
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
Conditions
UTI
Interventions
Antibiotics
Drug
Lead sponsor
Megan Bradley
Other
Eligibility
65 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Kidney Transplant, Urinary Tract Infection(UTI), Antibiotic Prophylaxis, Remote Patient Monitoring, Feasibility Pilot Study
Interventions
Trimethoprim-Sulfamethoxazole (TMP-SMX), Usual Care
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2028 – 2033
U.S. locations
1
States / cities
San Francisco, California
Conditions
Myeloma
Interventions
Bendamustine, Lenalidomide, Dexamethasone, Aspirin, Prophylaxis, Antibiotic, Biweekly Follow Up, Cyclical Follow Up, Restaging, Post-Treatment Follow Up
Drug · Other
Lead sponsor
Robert Redner, MD
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
22
States / cities
Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more
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
Conditions
Vesicoureteral Reflux, Urinary Tract Infections
Interventions
Trimethoprim-Sulfamethoxazole, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
2 Months to 71 Months
Enrollment
607 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
19
States / cities
Birmingham, Alabama • Wilmington, Delaware • Washington D.C., District of Columbia + 16 more
Conditions
Fracture Lower Leg, Diabetes, Fracture Fixation, Internal
Interventions
Cefadroxil 500 mg Capsules, Clindamycin, Bactrim DS
Drug
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Los Angeles, California • El Paso, Texas
Conditions
Leukemia
Interventions
filgrastim, cyclophosphamide, cytarabine, daunorubicin, dexamethasone, doxorubicin, leucovorin, mercaptopurine, methotrexate, mitoxantrone, Asparaginase, prednisone, thioguanine, vincristine, radiation therapy, allopurinol, bactrim
Biological · Drug · Radiation
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 64 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
78
States / cities
Burbank, California • Maywood, Illinois • Chanute, Kansas + 45 more
Conditions
Urinary Tract Infections, Stress Urinary Incontinence, Urinary Incontinence
Interventions
Bactrim (800/160 mg), Keflex (500 mg), Cipro (250 mg), or Macrobid (100mg)
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT02024867
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
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
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