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ClinicalTrials.gov public records Last synced Oct 4, 2026, 3:27 AM EDT

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Showing 25–48 of 106 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Sulfamethoxazole Trimethoprim Combination Clear all
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 4, 2026, 3:27 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 4, 2026, 3:27 AM EDT
Completed Not applicable Interventional

Evaluation of the Interaction Between Low Dose Sulfamethoxazole-Trimethoprim and Zidovudine

NCT00000732
View directory record Official record
Conditions
HIV Infections
Interventions
Sulfamethoxazole-Trimethoprim, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1990
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 4 Interventional Results available

Prophylactic Antibiotics for Urinary Tract Infections After Robot-Assisted Radical Cystectomy

NCT04502095
View directory record Official record
Conditions
Bladder Carcinoma, Refractory Bladder Carcinoma, Urinary Tract Infection
Interventions
Clindamycin, Diary, Ertapenem, Levofloxacin, Nitrofurantoin, Trimethoprim-Sulfamethoxazole
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 3 Interventional Results available

Management of Skin and Soft Tissue Abscesses in Pediatric Patients After Incision and Drainage

NCT00691600
View directory record Official record
Conditions
Abscess
Interventions
oral trimethoprim/sulfamethoxazole, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
90 Days to 18 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 1 Interventional

Induction Therapy With Cytarabine, High-Dose Mitoxantrone and Dasatinib for Patients With Philadelphia-Chromosome Positive (Ph+) Acute Lymphoblastic Leukemia

NCT00940524
View directory record Official record
Conditions
Leukemia, Acute Lymphoblastic Leukemia
Interventions
Dasatinib, Mitoxantrone, Cytarabine
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2014 · Synced Oct 4, 2026, 3:27 AM EDT
Not listed No phase listed Observational

Asymptomatic Bacteriuria & Risk of Urinary Tract Infection in Renal Transplants

NCT01349738
View directory record Official record
Conditions
Bacteriuria, Urinary Tract Infections, Asymptomatic Infections, Transplantation Infection
Interventions
Antibiotic
Drug
Lead sponsor
Rice, James C., M.D.
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Oct 4, 2026, 3:27 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 4, 2026, 3:27 AM EDT
Completed Phase 2 Interventional Results available

Uncomplicated Skin and Soft Tissue Infections Caused by Community-Associated Methicillin-Resistant Staphylococcus Aureus

NCT00730028
View directory record Official record
Conditions
Staphylococcal Infection
Interventions
Trimethoprim-sulfamethoxazole, Placebo, Clindamycin
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 85 Years
Enrollment
1,310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
6
States / cities
San Francisco, California • Torrance, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 4, 2026, 3:27 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 4, 2026, 3:27 AM EDT
Withdrawn Not applicable Interventional

Antibiotic Therapy After Incision and Drainage for Abscess

NCT00900510
View directory record Official record
Conditions
Abscess
Interventions
Incision and drainage, Trimethoprim/Sulfamethoxazole (Bactrim), Placebo
Procedure · Drug
Lead sponsor
Wake Forest University
Other
Eligibility
6 Months to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 4, 2026, 3:27 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 4, 2026, 3:27 AM EDT
Completed Not applicable Interventional

Pediatric Kidney Transplant Without Calcineurin Inhibitors

NCT00023231
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
Daclizumab, Methylprednisolone/prednisone, Mycophenolate mofetil, Sirolimus, Bactrim, Ganciclovir, Lipitor
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 21 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 4, 2026, 3:27 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 4, 2026, 3:27 AM EDT
Terminated Phase 2 Interventional

Steroid Withdrawal in Pediatric Kidney Transplant Recipients

NCT00023244
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
Basiliximab, Cyclosporine, Tacrolimus, Sirolimus, Methylprednisolone, Prednisone, Bactrim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 20 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
18
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 4, 2026, 3:27 AM EDT
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 4, 2026, 3:27 AM EDT
Completed Phase 3 Interventional

A Randomized, Comparative, Prospective Study of Daily Trimethoprim / Sulfamethoxazole (TMS) and Thrice-Weekly TMS for Prophylaxis Against PCP in HIV-Infected Patients

NCT00000748
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
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
24
States / cities
San Francisco, California • Stanford, California • Denver, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 4, 2026, 3:27 AM EDT
Completed No phase listed Observational

Fluoroquinolone Associated Disability

NCT03535558
View directory record Official record
Conditions
Bronchitis, Sinusitis, Urinary Tract Infections
Interventions
Fluoroquinolone (FQ), Azithromycin (AZ), Sulfamethoxazole/Trimethoprim (ST) Fixed Dose Combination
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
239,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 2 Interventional

Short and Long Term Outcomes of Doxycycline Versus Trimethoprim-Sulfamethoxazole for Skin and Soft Tissue Infections Treatment

NCT03637400
View directory record Official record
Conditions
Methicillin-resistant Staphylococcus Aureus, Skin Infection
Interventions
TMP-SMX, DOXY
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
9 Years to 85 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Sylmar, California • Torrance, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antibiotic Prophylaxis for Transrectal Prostate Biopsy

NCT01659866
View directory record Official record
Conditions
Infection
Interventions
Ciprofloxacin, trimethoprim-sulfamethoxazole, cefuroxime, ceftriaxone, gentamicin, amikacin, aztreonam, imipenem
Drug
Lead sponsor
Northwestern University
Other
Eligibility
30 Years to 90 Years · Male only
Enrollment
563 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 4, 2026, 3:27 AM EDT
Terminated Phase 3 Interventional

Comparison of Three Treatments for Pneumocystis Pneumonia in AIDS Patients

NCT00000730
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 3 Interventional

A Phase III Comparative Study of Dapsone / Trimethoprim and Clindamycin / Primaquine Versus Sulfamethoxazole / Trimethoprim in the Treatment of Mild-to-Moderate PCP in Patients With AIDS

NCT00000640
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Primaquine, Sulfamethoxazole-Trimethoprim, Dapsone, Clindamycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
32
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 4, 2026, 3:27 AM EDT
Completed Phase 2 Interventional

SWOG-9320 Combination Chemotherapy, Radiation Therapy, and Antiviral Therapy in Treating Patients With AIDS-Related Lymphoma

NCT00002571
View directory record Official record
Conditions
Lymphoma
Interventions
bleomycin sulfate, filgrastim, cyclophosphamide, cytarabine, doxorubicin hydrochloride, etoposide, leucovorin calcium, methotrexate, prednisone, trimethoprim-sulfamethoxazole, vincristine sulfate, radiation therapy, Intrathecal cytarabine
Biological · Drug · Radiation
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2011
U.S. locations
85
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Oct 4, 2026, 3:27 AM EDT
Recruiting Phase 4 Interventional

Prophylactic Antibiotics for Outpatient Urethral Bulking

NCT07501065
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 4, 2026, 3:27 AM EDT