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Data Labs

Clinical trials, in numbers.

Active trial counts by condition, trials per million patients, year-over-year growth, and pipeline composition — pulled from ClinicalTrials.gov.

Refreshed daily · Source: ClinicalTrials.gov

Section 01

Active trials by condition

Count of trials currently recruiting or active across 15 high-volume conditions. Use the tabs to switch between all active trials, recruiting-only, and historical completed.

Breast cancer
3,607
Lung cancer
3,283
Obesity
2,112
Colorectal cancer
2,087
Leukemia
2,016
Depression
1,835
Prostate cancer
1,803
Anxiety
1,518
Heart failure
1,240
Type 2 diabetes
1,172
Alzheimer's disease
757
Parkinson's disease
620
Source: ClinicalTrials.govUpdated Jun 2, 2026
Section 02

Active trials per million patients

Each dot is a condition. Horizontal position is US patient population (from CDC, NIH, and NCI SEER); vertical position is active trials divided by that population. Dot size scales with absolute trial count. Per-capita ratios are directional — trial enrollment isn't always limited to currently-prevalent patients, so read positions as relative groupings rather than precise per-capita measures.

015003000450060001M5M10M20M40M80MPATIENT POPULATION (MILLIONS)TRIALS PER MILLION PATIENTS
Dot size = active trial count
Source: ClinicalTrials.gov + CDC/NIH prevalence estimatesUpdated Jun 2, 2026
Section 03

Year-over-year change in new trial registrations

Conditions sorted by % change in new trial registrations (Study First Submit Date) between the two most recent full calendar years. Refreshed daily from ClinicalTrials.gov. Conditions with fewer than 30 trials in the prior year are excluded so small-baseline swings don't dominate.

+36%

Alopecia areata

2024: 642025: 87
+26%

Allergic rhinitis

2024: 512025: 64
+16%

Obesity

2024: 9982025: 1,162
+16%

Erectile dysfunction

2024: 382025: 44
+0%

ATTR amyloidosis

2024: 332025: 33
Source: ClinicalTrials.gov · calendar-year comparisonUpdated Jun 2, 2026
Section 04

Pipeline composition by condition

Search any condition to see how its currently-recruiting trials split across Phase 1 to Phase 4. Counts come live from ClinicalTrials.gov.

Source: ClinicalTrials.gov (live)