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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pneumocystis Pneumonia Clear all
Completed Phase 1 Interventional

Comparison of Two Dosage Regimens of Oral Dapsone for Prophylaxis of Pneumocystis Carinii Pneumonia in Pediatric HIV Infection

NCT00000739
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Dapsone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 12 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
43
States / cities
Long Beach, California • Los Angeles, California • Oakland, California + 29 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 18, 2026, 5:25 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 3, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Completed No phase listed Observational

A Study of Psychosocial and Behavioral Determinants of Differential Rates of Participant Compliance in CPCRA Protocols

NCT00000784
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
557 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1996
U.S. locations
13
States / cities
Denver, Colorado • Wilmington, Delaware • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2013 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 3 Interventional

A Multi-Center Clinical Trial To Evaluate Azidothymidine (AZT) in the Treatment of Human Immunodeficiency Virus (HIV) Infection in Patients With AIDS Post First Episode PCP

NCT00000700
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1990
U.S. locations
28
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Treatment of Pneumocystis in COPD (the TOPIC Study)

NCT05418777
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Not applicable Interventional

The Safety and Effectiveness of Pentamidine in the Prevention of Pneumocystis Carinii Pneumonia (PCP) in Patients With AIDS Who Have Had PCP Before

NCT00002291
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 23, 2005 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 1 Interventional

A Study of Pentamidine in the Prevention of Pneumocystis Carinii Pneumonia (PCP) in HIV-Infected Children Who Cannot Take Trimethoprim-Sulfamethoxazole

NCT00001027
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
1 Month to 6 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
11
States / cities
Los Angeles, California • Oakland, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 18, 2026, 5:25 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 3, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 3 Interventional

A Study of Pentamidine Plus Dapsone in the Prevention of Pneumocystis Carinii Pneumonia (PCP) in HIV-Infected Patients Who Cannot Take Trimethoprim or Sulfonamides

NCT00001028
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate, Dapsone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
14
States / cities
San Francisco, California • Denver, Colorado • Wilmington, Delaware + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Completed No phase listed Observational

Prevalence and Pathogenesis of Lung Disease in a Large HIV Cohort-coordinating Center

NCT00870857
View directory record Official record
Conditions
HIV Infections, Emphysema, Chronic Obstructive Pulmonary Disease, Pneumocystis
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 3 Interventional

A Study of Trimetrexate With Leucovorin Rescue for AIDS Patients Who Are Refractory to Standard Therapies for Pneumocystis Carinii Pneumonia

NCT00000724
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
1
States / cities
Morris Plains, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 18, 2026, 5:25 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 23, 2005 · Synced Sep 18, 2026, 5:25 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 3, 2021 · Synced Sep 18, 2026, 5:25 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 23, 2005 · Synced Sep 18, 2026, 5:25 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 27, 2021 · Synced Sep 18, 2026, 5:25 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 2, 2021 · Synced Sep 18, 2026, 5:25 PM 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 23, 2005 · Synced Sep 18, 2026, 5:25 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 Oct 31, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Not applicable Interventional

A Compassionate Treatment Protocol for the Use of Trimetrexate Glucuronate (Neutrexin) With Leucovorin Protection for European Adult Patients (>= 13 Years Old) With Pneumocystis Carinii Pneumonia

NCT00002103
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Leucovorin calcium
Drug
Lead sponsor
U.S. Bioscience
Industry
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
West Conshohocken, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 18, 2026, 5:25 PM 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 3, 2021 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 2 Interventional

A Study of WR 6026 in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in HIV-Infected Patients

NCT00000863
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
13 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
12
States / cities
Birmingham, Alabama • Honolulu, Hawaii • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 18, 2026, 5:25 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 23, 2005 · Synced Sep 18, 2026, 5:25 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 23, 2005 · Synced Sep 18, 2026, 5:25 PM EDT
Completed Phase 3 Interventional

A Randomized, Unblinded Trial of Zidovudine Versus ddC in the Treatment of Patients Status Post PCP Who Received Long-Term Zidovudine Therapy in Protocol ACTG 002

NCT00000682
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine, Zalcitabine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1992
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 18, 2026, 5:25 PM EDT