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Pneumonia, Pneumocystis Carinii: later-stage trial registry
A small indexed set (13 trials) with no open enrollment listed right now.
Corpus placement: #1,315 of 28,707 conditions by registered trial count.
13 US clinical trials · none currently recruiting · #1,315 of 28,707 conditions by registered trial count
Pneumonia, Pneumocystis Carinii: 13 US clinical trials tracked, none currently recruiting.
Pneumonia, Pneumocystis Carinii is the subject of 13 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 4 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is National Institute of Allergy and Infectious Diseases (NIAID), running 8 of these trials.
Enrollment posture brief
Registry condition pneumonia-pneumocystis-carinii
OPEN 0 | RECR 0% | LATE 4 | EARLY 2 | RANK #1315 | SPON 8
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Pneumonia, Pneumocystis Carinii has no open enrollment in this registry pull (13 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Pneumonia, Pneumocystis Carinii on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Pneumonia, Pneumocystis Carinii is recruiting below its size-band peers.
0 of 13 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Pneumonia, Pneumocystis Carinii research.
National Institute of Allergy and Infectious Diseases (NIAID) accounts for 8 of 13 trials (61.5%). 4 distinct sponsors appear on at least one study for this condition label.
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Typical Pneumonia, Pneumocystis Carinii enrolment sits around 240 participants.
Median target enrolment is 240 among the 7 trials that report a genuine target (sentinel values excluded). 3 of those (42.9%) plan for fewer than 100 participants.
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Pneumonia, Pneumocystis Carinii research is mostly interventional.
12 interventional and 1 observational studies make up this index (92.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Indexed trials (enrollment closed)
13 total, page 1 of 1
Gradual Initiation of Sulfamethoxazole/Trimethoprim as Primary Pneumocystis Carinii Pneumonia Prophylaxis
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000816
A Controlled Comparative Trial of Sulfamethoxazole-Trimethoprim Versus Aerosolized Pentamidine for Secondary Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients Receiving Azidothymidine (AZT)
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000727
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
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000908
A Controlled Trial Comparing the Efficacy of Aerosolized Pentamidine and Parenteral/Oral Sulfamethoxazole-Trimethoprim in the Treatment of Pneumocystis Carinii Pneumonia in AIDS
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000715
The Safety and Efficacy of Clindamycin and Primaquine in the Treatment of Mild - Moderate Pneumocystis Carinii Pneumonia in Patients With AIDS
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000717
Aerosols in the Treatment of Pneumocystis Pneumonia: A Pilot Study Quantitating the Deposition of Aerosolized Pentamidine as Delivered in ACTG 040 and Comparing Its Toxicity With Parenteral Pentamidine Therapy
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000722
A Study of Pentamidine in the Prevention of Pneumocystis Carinii Pneumonia (PCP) in HIV-Infected Children Who Cannot Take Trimethoprim-Sulfamethoxazole
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00001027
A Compassionate Treatment Protocol for the Use of Trimetrexate Glucuronate With Leucovorin Protection for Patients With Pneumocystis Carinii Pneumonia.
U.S. Bioscience
NCT00002102
An Open, Prospective, Multicenter Study of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia (PCP) and Serious Intolerance to Approved Therapies
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00000714
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
Glaxo Wellcome
NCT00001996
A Study of Trimetrexate Plus Leucovorin in Children With Pneumocystis Carinii Pneumonia
U.S. Bioscience
NCT00002317
A Double-Blind Group Comparative Study To Evaluate the Long-Term Safety and Effectiveness of Two Different Doses of Aerosol Pentamidine in the Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients With Multiple Episodes of PCP
Fisons
NCT00002055
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
U.S. Bioscience
NCT00002103
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
| Phase 3 | 3 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Pneumonia, Pneumocystis Carinii records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Pneumonia, Pneumocystis Carinii trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Pneumonia, Pneumocystis Carinii page
13 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Pneumonia, Pneumocystis Carinii trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- National Institute of Allergy and Infectious Diseases (NIAID) sponsors the most Pneumonia, Pneumocystis Carinii trials on record, review their full trial history before evaluating a specific study. See National Institute of Allergy and Infectious Diseases (NIAID)'s trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Pneumonia, Pneumocystis Carinii condition card totals 13 registered trials; most-linked intervention Pentamidine isethionate; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.