Condition (MeSH)
Tonsillitis
ClinicalTrials.gov lists 99 trials for Tonsillitis or a narrower condition beneath it. Pfizer has the most among industry and government lead sponsors, with 4.
Search trials, drugs, companies and investigators, and follow each one to the others. Individual plan, $249/seat/mo. Card required.
Trials per phase (log scale)
89 of the 99 trials are tagged with Tonsillitis itself; the rest are tagged with a narrower condition beneath it.
When did Tonsillitis trials start? (25)
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 1/2
- Phase 2
- Phase 2/3
- Phase 3
- Phase 4
- Not applicable
- Observational
Top of scale: 9
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.
| Year | Trials started |
|---|---|
| 2026 (partial year) | 3 |
| 2025 | 7 |
| 2024 | 5 |
| 2023 | 3 |
| 2022 | 3 |
| 2020 | 8 |
| 2019 | 5 |
| 2018 | 9 |
| 2017 | 5 |
| 2016 | 4 |
Showing 10 of 25 earlier years.
No forecast is made for this condition: it averages 4.2 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 32 months from start to primary completion across 10 trials still running at the 2026-10-09 snapshot; registered median of 20 months across 55 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Tonsillitis trials in? (8)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 1 |
| Phase 1/2 | 1 |
| Phase 2 | 6 |
| Phase 2/3 | 1 |
| Phase 3 | 11 |
| Phase 4 | 20 |
| Not applicable | 44 |
| Observational | 15 |
How many Tonsillitis trials are recruiting? (8)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Not yet recruiting | 1 |
| Recruiting | 12 |
| Active, not recruiting | 3 |
| Completed | 50 |
| Suspended | 1 |
Showing 5 of 8 statuses.
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Tonsillitis trials? (6)
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.
| Sponsor | Trials |
|---|---|
| Pfizer | 4 |
| Bayer | 3 |
| Sanofi | 3 |
| Advancis Pharmaceutical Corporation | 2 |
| Turku University Hospital | 2 |
Showing 5 of 6 sponsors.
Which drugs are being tested for Tonsillitis? (4)
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.
| Drug | Trials |
|---|---|
| DEXMEDETOMIDINE | 5 |
| FENTANYL | 3 |
| Methadone | 2 |
| Amoxicillin | 2 |
Interventions as named in the registry (11)
Shown in this order: most trials first.
| Drug | Trials |
|---|---|
| A3: Acetaminophen (Tylenol caplets®, from Janssen-Cilag, S.A. de C.V.) | 5 |
| 1% Azithromycin | 3 |
| PO Morphine | 3 |
| Dexamethasone/Dexamethasone acetate | 3 |
| EC Aspirin | 2 |
Showing 5 of 11 interventions.
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 Tonsillitis trials report? (10)
Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.
| Adverse event | Subjects affected | Trials |
|---|---|---|
| Altered mental status | 1 | 1 |
| Dehydration | 1 | 1 |
| Difficulty with oral intake | 1 | 1 |
| Hospitalization due to low oral intake and dehydration | 1 | 1 |
| Postoperative bleeding | 1 | 1 |
Showing 5 of 10 adverse events.
Which publications cover Tonsillitis? (103)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
Showing 5 of 103 publications.
Sub-conditions in MeSH (1)
MeSH descendants one level down with at least one trial, most trials first.
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: prevalence and rare-disease identity.