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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:13 PM EDT

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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pneumocystis Infection Clear all
Completed No phase listed Observational

A Study to Evaluate the Impact of Stopping Treatment for the Prevention of Pneumonia in HIV-Positive Patients Receiving Anti-HIV Drugs Who Have Increased CD4 Cell Counts

NCT00000908
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
53
States / cities
Birmingham, Alabama • Harbor City, California • Los Angeles, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM EDT
Completed No phase listed Observational

Prospective Observational Study on the Incidence of Opportunistic Fungal Infections

NCT05707156
View directory record Official record
Conditions
Pneumocystis Jirovecii Infection, Pneumocystis, Cryptococcosis, Candidiasis, Aspergillosis
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
12,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

An Open-Label, Uncontrolled Clinical Trial of Oral 566C80 for the Treatment of Patients With Severe PCP Who Are Intolerant and/or Unresponsive to Therapy With Trimethoprim/Sulfamethoxazole and Parenteral Pentamidine

NCT00001990
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
1 Day and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Comparison of HIV-Infected Patients With and Without Opportunistic (AIDS-Related) Infection

NCT00005572
View directory record Official record
Conditions
Cytomegalovirus Infections, Cytomegalovirus Retinitis, Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
16
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2008 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 3 Interventional

A Treatment Protocol for the Use of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia and Serious Intolerance to Approved Therapies

NCT00001016
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
1
States / cities
Morris Plains, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 30, 2008 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 1 Interventional

Phase I Safety and Pharmacokinetics Study of Microparticulate Atovaquone (m-Atovaquone; 566C80) in HIV-Infected and Perinatally Exposed Infants and Children

NCT00000773
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
5
States / cities
San Francisco, California • Chicago, Illinois • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

A Comparison of Dapsone and Trimethoprim-Sulfamethoxazole in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in Patients With AIDS

NCT00002283
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimethoprim, Sulfamethoxazole, Dapsone
Drug
Lead sponsor
Jacobus Pharmaceutical
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

A Double-Blind Study To Evaluate the Long-Term Safety and Effectiveness of 60 mg Versus 120 mg of Aerosol Pentamidine in the Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients

NCT00002054
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate
Drug
Lead sponsor
Fisons
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM 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 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

A Double-Blind Placebo-Controlled Group Comparative Study To Evaluate the Safety and Effectiveness of Aerosol Pentamidine in the Prophylaxis of Pneumocystis Carinii Pneumonia in Patients With AIDS Post First Episode PCP

NCT00002053
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate
Drug
Lead sponsor
Fisons
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

A Study of Two Forms of Pentamidine in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in Patients With AIDS

NCT00002292
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 25, 2026, 5:13 PM EDT
Completed Phase 2 Interventional

A Randomized, Double-Blind Study of 566C80 Versus Septra (Sulfamethoxazole/Trimethoprim) for the Treatment of Pneumocystis Carinii Pneumonia in AIDS Patients

NCT00000655
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone, Sulfamethoxazole-Trimethoprim
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
27
States / cities
Birmingham, Alabama • Harbor City, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Oct 25, 2026, 5:13 PM EDT
Completed No phase listed Observational

New Techniques for Using a Saline Wash as a Diagnostic Tool for Pneumocystis Pneumonia

NCT00342589
View directory record Official record
Conditions
Pneumocystis Infection, Infection, Pneumonia, Pneumocystis, Lung Disease, Fungal, Mycoses
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 99 Years
Enrollment
1,015 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 3 Interventional

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

NCT00000715
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate, Sulfamethoxazole-Trimethoprim
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 1991
U.S. locations
9
States / cities
New Orleans, Louisiana • Boston, Massachusetts • New York, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 3 Interventional

An Open, Prospective, Multicenter Study of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia (PCP) and Serious Intolerance to Approved Therapies

NCT00000714
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
21
States / cities
Miami, Florida • Chicago, Illinois • Indianapolis, Indiana + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 25, 2026, 5:13 PM 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 25, 2026, 5:13 PM EDT
Completed Phase 3 Interventional

A Randomized, Comparative Study of Daily Dapsone and Daily Atovaquone for Prophylaxis Against PCP in HIV-Infected Patients Who Are Intolerant of Trimethoprim and/or Sulfonamides

NCT00000802
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone, Dapsone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1997
U.S. locations
43
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 30 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Not applicable Interventional

A Study of Trimetrexate Plus Leucovorin in Children With Pneumocystis Carinii Pneumonia

NCT00002317
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Leucovorin calcium
Drug
Lead sponsor
U.S. Bioscience
Industry
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
West Conshohocken, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 1 Interventional

Escalating Multiple-Dose Safety and Tolerance of WR 6026 Hydrochloride in HIV-Infected Subjects

NCT00000740
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Sitamaquine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
2
States / cities
Indianapolis, Indiana • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Withdrawn Phase 3 Interventional

The Safety and Effectiveness of Methylprednisolone in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in Children With AIDS

NCT00000741
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Methylprednisolone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
28 Days to 2 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
La Jolla, California • Chicago, Illinois • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 1 Interventional

A Study of Two Forms of Pentamidine in HIV-Infected Children Who May Have Pneumocystis Carinii Pneumonia

NCT00000974
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Months to 13 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
4
States / cities
Los Angeles, California • Oakland, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 25, 2026, 5:13 PM EDT
Completed Phase 2 Interventional

A Phase II Open Randomized Comparison of 566C80 and Pentamidine Isethionate for the Treatment of Pneumocystis Carinii Pneumonia in AIDS Patients Who Are Intolerant of Trimethoprim / Sulfamethoxazole

NCT00001996
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
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
20
States / cities
Berkeley, California • Harbor City, California • Los Angeles, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 25, 2026, 5:13 PM 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 25, 2026, 5:13 PM 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 25, 2026, 5:13 PM EDT