2026 Directory

Clinical Trials by City

Browse actively recruiting clinical trials across 557+ US cities. Find research studies near you for cancer, diabetes, heart disease, and 300+ conditions.

557+

Cities

72

States

25,073

Trial Sites

Browse All Cities by State

Alabama (16 cities)

Birmingham(508)Mobile(112)Huntsville(53)Dothan(46)Fairhope(28)Daphne(18)Anniston(18)Cullman(13)Homewood(12)Montgomery(10)Alexander City(10)Tuscaloosa(7)Sheffield(7)Foley(6)Guntersville(6)Saraland(6)

Alaska (2 cities)

Anchorage(309)Fairbanks(17)

Alberta (2 cities)

Edmonton(14)Calgary(9)

Anhui (1 city)

Arkansas (10 cities)

Little Rock(285)Springdale(35)Fayetteville(35)Fort Smith(34)Rogers(31)Jonesboro(28)Hot Springs(26)North Little Rock(14)Bentonville(8)Bryant(7)

Beijing Municipality (1 city)

British Columbia (1 city)

Buenos Aires (1 city)

California (122 cities)

Los Angeles(1079)San Francisco(414)San Diego(279)Orange(263)La Jolla(257)Duarte(252)Palo Alto(203)Sacramento(201)Irvine(179)Newport Beach(122)Beverly Hills(104)Santa Monica(104)Long Beach(97)Stanford(95)Anaheim(84)Fullerton(80)Torrance(78)Fountain Valley(72)Glendale(66)Loma Linda(66)Oakland(66)Los Alamitos(60)Lancaster(59)Fresno(58)Bakersfield(56)Encino(54)Huntington Beach(54)Pasadena(53)Walnut Creek(42)Berkeley(41)Garden Grove(41)Northridge(36)Bellflower(34)Fremont(33)Whittier(32)Cerritos(31)Encinitas(31)Santa Rosa(30)Auburn(30)Chula Vista(29)Santa Ana(28)Riverside(27)Upland(26)La Mesa(26)Inglewood(26)Redlands(25)Oceanside(25)Downey(24)Arroyo Grande(23)Redwood City(22)Oxnard(22)Santa Barbara(22)Modesto(22)Thousand Oaks(21)Covina(21)Sherman Oaks(20)Canoga Park(20)Roseville(19)Burbank(17)Dublin(15)Escondido(15)Fontana(15)Carmichael(15)Murrieta(15)Huntington Park(15)Madera(15)Clovis(15)La Palma(15)Corona(14)Culver City(14)Carlsbad(14)Pomona(13)San Jose(13)Arcadia(12)Coronado(12)Mountain View(12)Baldwin Park(11)West Hollywood(11)Poway(11)Lemon Grove(10)Antioch(10)Concord(10)Lake Forest(10)Costa Mesa(9)Tarzana(9)Redding(9)West Los Angeles(9)Imperial(9)Colton(9)San Dimas(9)Sylmar(8)Napa(8)Mission Viejo(8)Montclair(8)Vallejo(8)West Hills(8)San Marcos(8)Tustin(7)Ventura(7)Greenbrae(7)Laguna Niguel(7)Lafayette(7)Rancho Cucamonga(6)Rancho Santa Margarita(6)Valencia(6)Rancho Mirage(6)San Leandro(6)Harbor City(6)Campbell(6)Apple Valley(6)Castro Valley(5)Lomita(5)West Covina(5)Laguna Hills(5)Westwood, Los Angeles(5)Davis(5)Gardena(5)Tujunga(5)Paramount(5)Spring Valley(5)San Ramon(5)Santa Clarita(5)

Chongqing Municipality (1 city)

Colorado (18 cities)

Aurora(342)Denver(170)Colorado Springs(63)Fort Collins(26)Lone Tree(24)Englewood(21)Grand Junction(20)Lakewood(14)Littleton(13)Golden(12)Wheat Ridge(11)Boulder(9)Greeley(9)Centennial(8)Highlands Ranch(7)Loveland(7)Longmont(6)Basalt(5)

Connecticut (18 cities)

New Haven(262)Hartford(54)Farmington(24)Stamford(21)West Haven(10)Norwich(10)Norwalk(9)Fairfield(9)Waterbury(9)Derby(8)Guilford(8)Cromwell(8)Trumbull(7)Greenwich(7)North Haven(6)Danbury(6)Glastonbury(6)Hamden(6)

Delaware (2 cities)

Newark(57)Wilmington(33)

District of Columbia (1 city)

Washington D.C.(311)

Florida (73 cities)

Miami(524)Tampa(312)Jacksonville(273)Orlando(207)Gainesville(121)Hialeah(79)Boca Raton(76)Hollywood(72)Fort Myers(69)Coral Gables(66)St. Petersburg(55)Sarasota(54)Clearwater(46)Miami Beach(40)West Palm Beach(39)Plantation(38)Miami Lakes(37)Maitland(33)Aventura(32)Fort Lauderdale(30)Brandon(29)Weston(27)Ocala(27)Margate(27)Doral(27)Deerfield Beach(26)Kissimmee(26)Orange City(26)Clermont(25)Winter Park(24)Bradenton(22)Coral Springs(21)Tamarac(17)Naples(15)Pensacola(15)Lake Mary(13)Pembroke Pines(13)Port Charlotte(12)Atlantis(12)Delray Beach(12)Lakeland(12)Largo(10)North Miami Beach(10)DeLand(10)Gulf Breeze(10)Homestead(9)Boynton Beach(9)New Port Richey(8)Melbourne(8)Daytona Beach(8)Miramar(8)Cooper City(7)Cape Coral(7)Cutler Bay(7)Lady Lake(7)Bay Pines(7)Miami Gardens(7)Celebration(6)Ormond Beach(6)Hallandale(6)Ocoee(6)Saint Augustine(6)Loxahatchee Groves(6)Fleming Island(6)South Miami(5)Brooksville(5)Altamonte Springs(5)Port Saint Lucie(5)Tallahassee(5)Pompano Beach(5)Leesburg(5)Lake City(5)DeBary(5)

Fujian (1 city)

Georgia (14 cities)

Atlanta(473)Augusta(57)Decatur(41)Marietta(25)Savannah(24)Macon(17)Columbus(17)Athens(17)Lawrenceville(11)Newnan(9)Stockbridge(9)Gainesville(7)Roswell(5)Union City(5)

Guangdong (1 city)

Hawaii (1 city)

Idaho (6 cities)

Boise(40)Idaho Falls(16)Coeur d'Alene(11)Meridian(8)Post Falls(8)Sandpoint(5)

Indiana (6 cities)

Indianapolis(217)Fort Wayne(23)Carmel(14)New Albany(5)Plainfield(5)Dyer(5)

Iowa (3 cities)

Iowa City(118)Des Moines(12)Waukee(9)

Kansas (6 cities)

Kansas City(85)Westwood(37)Fairway(26)Overland Park(24)Wichita(13)Lenexa(7)

Kentucky (3 cities)

Louisville(122)Lexington(81)Edgewood(5)

Louisiana (8 cities)

New Orleans(69)Baton Rouge(23)Shreveport(20)Lafayette(11)Covington(9)Marrero(8)Metairie(6)Lake Charles(5)

Maine (2 cities)

Portland(7)Scarborough(7)

Maryland (9 cities)

Baltimore(341)Bethesda(65)Rockville(19)Columbia(13)Hagerstown(10)Silver Spring(9)Towson(7)Glen Burnie(6)Hyattsville(6)

Massachusetts (4 cities)

Boston(756)Worcester(28)Burlington(15)Springfield(9)

Michigan (11 cities)

Ann Arbor(178)Detroit(177)Grand Rapids(75)Farmington Hills(24)Troy(13)Royal Oak(10)Lansing(7)Dearborn(5)Ypsilanti(5)Wyoming(5)Flint(5)

Minnesota (8 cities)

Rochester(201)Minneapolis(135)Saint Paul(18)Duluth(8)Albert Lea(7)Mankato(7)Saint Louis Park(6)Maple Grove(5)

Mississippi (2 cities)

Jackson(25)Hattiesburg(8)

Missouri (8 cities)

St Louis(261)Kansas City(51)Columbia(17)Springfield(11)City of Saint Peters(8)Saint Joseph(6)Chesterfield(5)Lee's Summit(5)

Montana (1 city)

Nebraska (2 cities)

Omaha(88)Lincoln(12)

Nevada (3 cities)

Las Vegas(43)Reno(16)Henderson(5)

New Hampshire (1 city)

New Mexico (1 city)

Albuquerque(34)

New South Wales (6 cities)

Sydney(11)Westmead(11)Camperdown(10)Randwick(9)Darlinghurst(6)Liverpool(6)

North Carolina (13 cities)

Durham(146)Chapel Hill(78)Charlotte(62)Winston-Salem(55)Greenville(16)Huntersville(15)Raleigh(7)Greensboro(7)Morrisville(6)Wilmington(6)Morehead City(5)Salisbury(5)Pinehurst(5)

North Dakota (1 city)

Ohio (7 cities)

Cleveland(175)Columbus(163)Cincinnati(155)Canton(36)Akron(13)Toledo(9)Mayfield Heights(7)

Oklahoma (2 cities)

Oklahoma City(60)Tulsa(15)

Ontario (4 cities)

Toronto(55)Hamilton(12)Ottawa(8)London(8)

Oregon (2 cities)

Portland(132)Eugene(11)

Pennsylvania (5 cities)

Philadelphia(263)Pittsburgh(151)Hershey(33)Allentown(9)Lancaster(5)

Quebec (2 cities)

Montreal(27)Québec(8)

Queensland (2 cities)

South Brisbane(6)Benowa(5)

Region M. de Santiago (1 city)

Rhode Island (1 city)

Rio de Janeiro (1 city)

Rio de Janeiro(5)

Rio Grande do Sul (1 city)

Porto Alegre(12)

Santa Fe Province (1 city)

Shanghai Municipality (1 city)

Sichuan (1 city)

South Australia (1 city)

South Carolina (5 cities)

Charleston(35)Greenville(20)Myrtle Beach(12)Spartanburg(9)Columbia(5)

South Dakota (1 city)

Sioux Falls(15)

Tennessee (6 cities)

Nashville(157)Memphis(36)Knoxville(12)Germantown(10)Chattanooga(8)Jackson(5)

Texas (15 cities)

Houston(365)Dallas(169)San Antonio(120)Austin(56)Fort Worth(22)Bellaire(13)El Paso(11)Tyler(11)Irving(10)Arlington(8)Denton(8)Webster(8)The Woodlands(5)Corpus Christi(5)McAllen(5)

Tucumán Province (1 city)

San Miguel de Tucumán(6)

Utah (3 cities)

Salt Lake City(93)West Valley City(11)Murray(6)

Vermont (1 city)

Victoria (4 cities)

Melbourne(28)Parkville(15)Clayton(14)Heidelberg(5)

Virginia (5 cities)

Fairfax(82)Charlottesville(42)Richmond(42)Norfolk(21)Arlington(5)

Washington (3 cities)

Seattle(129)Spokane(14)Tacoma(5)

West Virginia (1 city)

Western Australia (1 city)

Wisconsin (4 cities)

Milwaukee(52)Madison(43)Eau Claire(6)La Crosse(6)

Find Clinical Trials Near You

HelloStudys tracks thousands of actively recruiting clinical trials across the United States. Whether you're looking for cancer treatment trials in Houston, diabetes studies in Los Angeles, or Alzheimer's research in Boston, our directory helps you find studies accepting patients near you.

Clinical trial participation is always free. Study-related treatments, medical tests, and doctor visits are provided at no cost, and many studies offer compensation for your time and travel.

Data updated April 16, 2026 from ClinicalTrials.gov. Browse by city above or search by condition.