Clinical Trials in Arizona

Arizona has 445 clinical trials currently recruiting participants, ranking #11 among all states. The most-studied condition is Alzheimer Disease with 10 active trials.

445

Total Trials

445

Recruiting

#11

National Rank

Conditions

Trials by Phase

111

Not Applicable

Phase 2 / Phase 3

Phase 1 / Phase 2

Early Phase 1

Phase 1

Phase 2

147

Phase 3

Phase 4

Top Conditions in Arizona

#	Condition	Trials
1	Alzheimer Disease	10
2	Non Small Cell Lung Cancer	8
3	Obesity	7
4	Heart Failure	7
5	Migraine	7
6	Cancer	6
7	Autism Spectrum Disorder	6
8	Colorectal Cancer	6
9	Advanced Solid Tumor	6
10	Multiple Myeloma	5
11	Melanoma	5
12	Ovarian Cancer	5
13	Atrial Fibrillation	5
14	Generalized Myasthenia Gravis	5
15	Sickle Cell Disease	5
16	Rheumatoid Arthritis	5
17	NSCLC	5
18	Mesothelioma	5
19	Ulcerative Colitis	5
20	Crohn's Disease	5

Top Sponsors in Arizona

#	Sponsor	Trials
1	Mayo Clinic	19
2	AstraZeneca	14
3	Bristol-Myers Squibb	12
4	AbbVie	11
5	Eli Lilly and Company	10
6	Hoffmann-La Roche	9
7	Merck Sharp & Dohme LLC	8
8	Sanofi	8
9	Pfizer	7
10	Takeda	7
11	Janssen Research & Development, LLC	7
12	Boehringer Ingelheim	7
13	National Cancer Institute (NCI)	6
14	University of Arizona	6
15	Novartis Pharmaceuticals	6

Cities With Most Trials in Arizona

#	City	Trials
1	Phoenix	270
2	Tucson	158
3	Scottsdale	113
4	Gilbert	46
5	Chandler	44
6	Mesa	27
7	Glendale	25
8	Sun City	19
9	Peoria	18
10	Kingman	10
11	Flagstaff	10
12	Tempe	8
13	Goodyear	4
14	Yuma	4
15	Avondale	4

Important: This information is for research purposes only. Always talk to your doctor about whether a clinical trial is right for you.

Frequently Asked Questions

Arizona currently has 445 clinical trials actively recruiting participants, making it #11 nationally by total trial count.

The most-studied conditions in Arizona are Alzheimer Disease (10 trials), Non Small Cell Lung Cancer (8 trials), Obesity (7 trials).

Browse the conditions listed on this page to find trials recruiting in Arizona. Each condition page shows trial details, eligibility criteria in plain English, and contact information. Always talk to your doctor about whether a trial is right for you.

Sources: ClinicalTrials.gov

Trial counts reflect currently recruiting studies listed on ClinicalTrials.gov with locations in this state.

Arizona Trial Details →All State Statistics →

The this entity category groups every U.S. clinical trials and research registries entity sharing this attribute. The list above is the data; the paragraphs below explain what the grouping means against the broader the NIH ClinicalTrials.gov registry distribution and how to read the relative rankings within the category.

For readers using this category as a starting point, the per-entity detail pages linked from the table above carry the underlying the NIH ClinicalTrials.gov registry data in full. The category-level view is the filter; the per-entity pages are the actual answer.

Source: ClinicalTrials.gov, 2026.