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Condition (MeSH)

Acute Chest Syndrome

ClinicalTrials.gov lists 40 trials for Acute Chest Syndrome or a narrower condition beneath it. National Heart, Lung, and Blood Institute (NHLBI) has the most among industry and government lead sponsors, with 3.

MeSH D056586 Respiratory Tract Diseases C08 C15 C16
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Phase 1 Phase 1 4 Phase 2 Phase 2 9 Phase 2/3 Phase 2/3 1 Phase 3 Phase 3 6 Not applicable Not applicable 10 Observational Observational 10 Phase 1 Phase 1 4 Phase 2 Phase 2 9 Phase 2/3 Phase 2/3 1 Phase 3 Phase 3 6 Not applicable Not applicable 10 Observational Observational 10

Trials per phase

40 of the 40 trials are tagged with Acute Chest Syndrome itself; the rest are tagged with a narrower condition beneath it.

Get the Acute Chest Syndrome report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Acute Chest Syndrome trials start? (21)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.

Trials over time, by phase

  • Phase 1
  • Phase 2
  • Phase 2/3
  • Phase 3
  • Not applicable
  • Observational

Top of scale: 4

2001: 1 trials (Phase 1 1) 2004: 1 trials (Observational 1) 2006: 2 trials (Phase 3 1, Phase 2 1) 2007: 1 trials (Phase 2 1) 2008: 1 trials (Phase 2/3 1) 2009: 1 trials (Not applicable 1) 2010: 2 trials (Observational 1, Phase 2 1) 2011: 2 trials (Not applicable 1, Phase 2 1) 2012: 1 trials (Not applicable 1) 2013: 1 trials (Phase 1 1) 2014: 2 trials (Phase 2 1, Phase 1 1) 2015: 1 trials (Phase 1 1) 2016: 3 trials (Observational 1, Not applicable 1, Phase 3 1) 2017: 1 trials (Observational 1) 2018: 3 trials (Observational 2, Phase 2 1) 2020: 4 trials (Not applicable 1, Phase 3 2, Phase 2 1) 2021: 1 trials (Observational 1) 2023: 2 trials (Observational 1, Phase 2 1) 2024: 2 trials (Observational 1, Not applicable 1) 2025: 3 trials (Not applicable 1, Phase 3 1, Phase 2 1)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 5
2025 3
2024 2
2023 2
2021 1
2020 4
2018 3
2017 1
2016 3
2015 1

No forecast is made for this condition: it averages 2.4 trial starts a year over the five years to September, under the 5 a year the method needs.

Prediction, not a registry value: median of 36 months from start to primary completion across 5 trials still running at the 2026-10-09 snapshot; registered median of 28 months across 25 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Acute Chest Syndrome trials in? (6)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 1 4
Phase 2 9
Phase 2/3 1
Phase 3 6
Not applicable 10
Observational 10

How many Acute Chest Syndrome trials are recruiting? (6)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Not yet recruiting 4
Recruiting 7
Completed 19
Terminated 6
Withdrawn 2

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Acute Chest Syndrome trials? (5)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
National Heart, Lung, and Blood Institute (NHLBI) 3
Alexhander Izhaki 1
Anthera Pharmaceuticals 1
AstraZeneca 1
CSL Behring 1

Which drugs are being tested for Acute Chest Syndrome? (1)

Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.

Drugs tested
Drug Trials
Nitric Oxide 2

Interventions as named in the registry (14)

Shown in this order: most trials first.

Interventions as named in the registry
Drug Trials
tocilizumab SC 2
EC Aspirin 1
Daily oral vitamin D3, 3,333 IU 1
Active Comparator: Vitamin D3 12,000 IU 1
Ticagrelor (Brilique) 90 1

These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.

Which serious adverse events do Acute Chest Syndrome trials report? (10)

Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.

Serious adverse events in this condition's trials
Adverse event Subjects affected Trials
Brain Injury 52 1
Pneumonia 46 3
Pneumothorax 38 1
Other Respiratory 24 1
Pulmonary Embolism 23 1

Which publications cover Acute Chest Syndrome? (41)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: prevalence, rare-disease identity, and sub-conditions in mesh.

Browse all condition evidence pages