Actively Recruiting

Phase 3
Age: 18Years +
All Genders
NCT06016738

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

Led by Olema Pharmaceuticals, Inc. · Updated on 2026-03-13

510

Participants Needed

233

Research Sites

202 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This phase 3 clinical trial compares the safety and efficacy of palazestrant (OP-1250) to the standard-of-care options of fulvestrant or an aromatase inhibitor in women and men with breast cancer whose disease has advanced on one endocrine therapy in combination with a CDK4/6 inhibitor.

CONDITIONS

Official Title

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adult female or male participants
  • ER+, HER2- locally advanced or metastatic breast cancer not suitable for curative therapy
  • Measurable disease or bone-only disease
  • Prior treatment with CDK4/6 inhibitor plus endocrine therapy in advanced setting
  • One additional line of endocrine therapy as monotherapy allowed
  • Most recent endocrine therapy lasted at least 6 months
  • ECOG performance status of 0 or 1
  • Adequate blood, liver, and kidney function
  • Female participants can be pre-, peri-, or postmenopausal
  • Male and pre- or peri-menopausal females willing to take GnRH or LHRH agonist
Not Eligible

You will not qualify if you...

  • Symptomatic visceral disease, imminent organ failure, or other reasons making endocrine monotherapy unsuitable
  • Prior chemotherapy in advanced/metastatic setting
  • Previous treatment with elacestrant or investigational estrogen receptor therapies
  • History of allergic reactions to study treatments
  • Contraindications to standard endocrine therapies
  • Symptomatic central nervous system metastases or conditions requiring immediate treatment
  • Significant heart, brain blood vessel, or gastrointestinal diseases affecting treatment absorption

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

1
2
3
+1

Trial Site Locations

Total: 233 locations

1

Clinical Trial Site

Tucson, Arizona, United States, 85719

Actively Recruiting

2

Clinical Trial Site

Fountain Valley, California, United States, 92708

Not Yet Recruiting

3

Clinical Trial Site

Glendale, California, United States, 91204

Not Yet Recruiting

4

Clinical Trial Site

La Jolla, California, United States, 92093

Completed

5

Clinical Trial Site

Los Alamitos, California, United States, 90720

Actively Recruiting

6

Clinical Trial Site

Los Angeles, California, United States, 90027

Actively Recruiting

7

Clinical Trial Site

Whittier, California, United States, 90602

Actively Recruiting

8

Clinical Trial Site

Aurora, Colorado, United States, 80045

Actively Recruiting

9

Clinical Trial Site

Denver, Colorado, United States, 80218

Actively Recruiting

10

Clinical Trial Site

Golden, Colorado, United States, 80401

Actively Recruiting

11

Clinical Trial Site

Grand Junction, Colorado, United States, 81505

Active, Not Recruiting

12

Clinical Trial Site

Danbury, Connecticut, United States, 06810

Actively Recruiting

13

Clinical Trial Site

Newark, Delaware, United States, 19713

Actively Recruiting

14

Clinical Trials Site

Jacksonville, Florida, United States, 32223

Withdrawn

15

Clinical Trial Site

Margate, Florida, United States, 33063

Actively Recruiting

16

Clinical Trial Site

Orlando, Florida, United States, 32804

Actively Recruiting

17

Clinical Trial Site

Plantation, Florida, United States, 33324

Actively Recruiting

18

Clinical Trial Site

Tamarac, Florida, United States, 33321

Actively Recruiting

19

Clinical Trial Site

Atlanta, Georgia, United States, 30322

Actively Recruiting

20

Clinical Trial Site

Chicago, Illinois, United States, 60616-2315

Actively Recruiting

21

Clinical Trial Site

Chicago, Illinois, United States, 60637

Actively Recruiting

22

Clinical Trial Site

Urbana, Illinois, United States, 61801

Actively Recruiting

23

Clinical Trial Site

Baton Rouge, Louisiana, United States, 70809

Withdrawn

24

Clinical Trial Site

New Orleans, Louisiana, United States, 70112

Actively Recruiting

25

Clinical Trial Site

Baltimore, Maryland, United States, 21201

Actively Recruiting

26

Clinical Trial Site

Boston, Massachusetts, United States, 02111

Actively Recruiting

27

Clinical Trial Site

Detroit, Michigan, United States, 48202

Actively Recruiting

28

Clinical Trial Site

Saint Louis Park, Minnesota, United States, 55426

Actively Recruiting

29

Clinical Trial Site

Woodbury, Minnesota, United States, 55125

Actively Recruiting

30

Clinical Trial Site

Lincoln, Nebraska, United States, 68516

Actively Recruiting

31

Clinical Trial Site

Farmington, New Mexico, United States, 87401

Actively Recruiting

32

Clinical Trial Site

New York, New York, United States, 10032

Actively Recruiting

33

Clinical Trial Site

Port Jefferson Station, New York, United States, 11776

Withdrawn

34

Clinical Trial Site

Dayton, Ohio, United States, 45415

Actively Recruiting

35

Clinical Trial Site

Toledo, Ohio, United States, 43623

Withdrawn

36

Clinical Trial Site

Portland, Oregon, United States, 97239

Actively Recruiting

37

Clinical Trial Site

Sayre, Pennsylvania, United States, 18840

Actively Recruiting

38

Clinical Trial Site

Nashville, Tennessee, United States, 37203

Actively Recruiting

39

Clinical Trial Site

Nashville, Tennessee, United States, 37208

Actively Recruiting

40

Clinical Trial Site

Nashville, Tennessee, United States, 37232

Actively Recruiting

41

Clinical Trial Site

Dallas, Texas, United States, 75246

Actively Recruiting

42

Clinical Trial Site

Dallas, Texas, United States, 75390

Actively Recruiting

43

Clinical Trial Site

Houston, Texas, United States, 77054

Actively Recruiting

44

Clinical Trial Site

Webster, Texas, United States, 77598

Actively Recruiting

45

Clinical Trial Site

Ogden, Utah, United States, 84405

Actively Recruiting

46

Clinical Trial Site

Spokane, Washington, United States, 99204

Withdrawn

47

Clinical Trial Site

Spokane, Washington, United States, 99208

Actively Recruiting

48

Clinical Trial Site

Bahía Blanca, Buenos Aires, Argentina, B8000HXM

Active, Not Recruiting

49

Clinical Trial Site

Mar del Plata, Buenos Aires, Argentina, B7600FZN

Active, Not Recruiting

50

Clinical Trial Site

Mar del Plata, Buenos Aires, Argentina

Active, Not Recruiting

51

Clinical Trial Site

Córdoba, Córdoba Province, Argentina, X5000HHW

Active, Not Recruiting

52

Clinical Trial Site

Córdoba, Córdoba Province, Argentina, X5008HHW

Active, Not Recruiting

53

Clinical Trial Site

San Salvador de Jujuy, Jujuy Province, Argentina, 4600

Active, Not Recruiting

54

Clinical Trial Site

La Rioja, La Rioja Province, Argentina, 5300

Active, Not Recruiting

55

Clinical Trial Site

Viedma, Río Negro Province, Argentina, R8500ACE

Active, Not Recruiting

56

Clinical Trial Site

Rosario, Santa Fe Province, Argentina, S2013DTC

Active, Not Recruiting

57

Clinical Trial Site

Rosario, Santa Fe Province, Argentina, S2013KDS

Active, Not Recruiting

58

Clinical Trial Site

San Miguel de Tucumán, Tucumán Province, Argentina, 4000

Active, Not Recruiting

59

Clinical Trial Site

Buenos Aires, Argentina, C14626ABP

Active, Not Recruiting

60

Clinical Trial Site

Gosford, New South Wales, Australia, 2250

Actively Recruiting

61

Clinical Trial Site

Westmead, New South Wales, Australia, 2145

Actively Recruiting

62

Clinical Trial Site

Adelaide, South Australia, Australia, 5000

Actively Recruiting

63

Clinical Trial Site

Ballarat Central, Victoria, Australia, 3355

Actively Recruiting

64

Clinical Trial Site

Clayton, Victoria, Australia, 3168

Actively Recruiting

65

Clinical Trial Site

Shepparton, Victoria, Australia, 3630

Actively Recruiting

66

Clinical Trial Site

Nedlands, Western Australia, Australia, 6009

Actively Recruiting

67

Clinical Trial Site

Wels, Austria, 4600

Actively Recruiting

68

Clinical Trial Site

Wiener Neustadt, Austria, 2700

Actively Recruiting

69

Clinical Trial Site

Edegem, Antwerpen, Belgium, 2650

Actively Recruiting

70

Clinical Trial Site

Wilrijk, Antwerpen, Belgium, 2610

Actively Recruiting

71

Clinical Trial Site

Woluwe-Saint-Lambert, Brussels Capital, Belgium, 1200

Actively Recruiting

72

Clinical Trial Site

Charleroi, Hainaut, Belgium, 6060

Actively Recruiting

73

Clinical Trial Site

Leuven, Vlaams Brabant, Belgium

Withdrawn

74

Clinical Trial Site

Salvador, Estado de Bahia, Brazil, 41253-190

Actively Recruiting

75

Clinical Trial Site

Brasília, Federal District, Brazil, 70.390-140

Actively Recruiting

76

Clinical Trial Site

São Luís, Maranhão, Brazil, 65.060-645

Actively Recruiting

77

Clinical Trial Site

Belo Horizonte, Minas Gerais, Brazil, 30150-221

Actively Recruiting

78

Clinical Trial Site

Curitiba, Paraná, Brazil, 81520-060

Actively Recruiting

79

Clinical Trial Site

Recife, Pernambuco, Brazil, 50070-480

Actively Recruiting

80

Clinical Trial Site

Porto Alegre, Rio Grande do Sul, Brazil, 90035-903

Actively Recruiting

81

Clinical Trial Site

Porto Alegre, Rio Grande do Sul, Brazil, 90050-170

Actively Recruiting

82

Clinical Trial Site

Porto Alegre, Rio Grande do Sul, Brazil, 91350-200

Actively Recruiting

83

Clinical Trial Site

Itajaí, Santa Catarina, Brazil, 88301-220

Actively Recruiting

84

Clinical Trial Site

Jaú, São Paulo, Brazil, 17210-080

Actively Recruiting

85

Clinical Trial Site

Sorocaba, São Paulo, Brazil, 18052-775

Actively Recruiting

86

Clinical Trial Site

Porto Alegre, Brazil, 90470-340

Not Yet Recruiting

87

Clinical Trial Site

Rio de Janeiro, Brazil, 22281-100

Actively Recruiting

88

Clinical Trial Site

Panagyurishte, Pazardzhik, Bulgaria, 4500

Actively Recruiting

89

Clinical Trial Site

Sofia, Sofia-Grad, Bulgaria, 1407

Actively Recruiting

90

Clinical Trial Site

Vratsa, Vratsa, Bulgaria, 3000

Withdrawn

91

Clinical Trial Site

Calgary, Alberta, Canada, T2N 5G2

Actively Recruiting

92

Clinical Trial Site

London, Ontario, Canada, N6A 5W9

Actively Recruiting

93

Clinical Trial Site

Toronto, Ontario, Canada, M5G 1X5

Actively Recruiting

94

Clinical Trial Site

Montreal, Quebec, Canada, H4A 3J1

Actively Recruiting

95

Clinical Trial Site

Hradec Králové, Hradec Králové Region, Czechia, 500 12

Withdrawn

96

Clinical Trial Site

Nový Jičín, Moravian-Silesian Region, Czechia, 741 01

Actively Recruiting

97

Clinical Trial Site

Olomouc, Olomouc Region, Czechia, 779 00

Actively Recruiting

98

Clinical Trial Site

Brno, Czechia, 625 00

Actively Recruiting

99

Clinical Trial Site

Prague, Czechia, 140 59

Actively Recruiting

100

Clinical Trial Site

Bourg-en-Bresse, Ain, France, 01000

Actively Recruiting

101

Clinical Trial Site

Besançon, Doubs, France, 25030

Actively Recruiting

102

Clinical Trial Site

Nantes, Loire-Atlantique, France, 44277

Actively Recruiting

103

Clinical Trial Site

Nantes, Loire-Atlantique, France, 44805

Actively Recruiting

104

Clinical Trial Site

Compiègne, Oise, France, 60200

Actively Recruiting

105

Clinical Trial Site

Clermont-Ferrand, Puy-de-Dôme, France, 63011

Actively Recruiting

106

Clinical Trial Site

Le Mans, Sarthe, France, 7200

Actively Recruiting

107

Clinical Trial Site

Villejuif, Val-de-Marne, France, 94805

Actively Recruiting

108

Clinical Trial Site

Caen, France, 14000

Actively Recruiting

109

Clinical Trial Site

Montpellier, France, 34070

Actively Recruiting

110

Clinical Trial Site

Paris, France, 75014

Not Yet Recruiting

111

Clinical Trial Site

Karlsruhe, Baden-Wurttemberg, Germany, 76135

Actively Recruiting

112

Clinical Trial Site

Krefeld, North Rhine-Westphalia, Germany, 47805

Actively Recruiting

113

Clinical Trial Site

Velbert, North Rhine-Westphalia, Germany, 42551

Actively Recruiting

114

Clinical Trial Site

Dresden, Saxony, Germany, 01307

Actively Recruiting

115

Clinical Trial Site

Kiel, Schleswig-Holstein, Germany, 24105

Actively Recruiting

116

Clinical Trial Site

Central, Hong Kong, Hong Kong, 100176

Withdrawn

117

Clinical Trial Site

Hong Kong, Hong Kong, Hong Kong, 999077

Actively Recruiting

118

Clinical Trial Site

Kowloon, Hong Kong, Hong Kong, 999077

Actively Recruiting

119

Clinical Trial Site

Hong Kong, Hong Kong, 999077

Actively Recruiting

120

Clinical Trials Site

Hong Kong, Hong Kong, 999077

Actively Recruiting

121

Clinical Trial Site

Pécs, Baranya, Hungary, 7624

Actively Recruiting

122

Clinical Trial Site

Kecskemét, Bács-Kiskun county, Hungary, 6000

Actively Recruiting

123

Clinical Trial Site

Debrecen, Hajdú-Bihar, Hungary, 4032

Actively Recruiting

124

Clinical Trial Site

Avellino, Campania, Italy, 83100

Actively Recruiting

125

Clinical Trial Site

Bologna, Emilia-Romagna, Italy, 40138

Actively Recruiting

126

Clinical Trial Site

Meldola, Emilia-Romagna, Italy, 47014

Actively Recruiting

127

Clinical Trial Site

Modena, Emilia-Romagna, Italy, 41124

Actively Recruiting

128

Clinical Trial Site

Reggio Emilia, Emilia-Romagna, Italy, 42100

Actively Recruiting

129

Clinical Trial Site

Udine, Friuli Venezia Giulia, Italy, 33100

Withdrawn

130

Clinical Trial Site

Rome, Lazio, Italy, 00144

Actively Recruiting

131

Clinical Trial Site

Rome, Lazio, Italy, 00168

Actively Recruiting

132

Clinical Trial Site

Milan, Lombardy, Italy, 20141

Actively Recruiting

133

Clinical Trial Site

Rozzano, Lombardy, Italy, 20089

Actively Recruiting

134

Clinical Trial Site

Piacenza, Piacenza, Italy, 29121

Not Yet Recruiting

135

Clinical Trial Site

Alessandria, Piedmont, Italy, 15121

Actively Recruiting

136

Clinical Trial Site

Aviano, Pordenone, Italy, 33081

Actively Recruiting

137

Clinical Trial Site

Ancona, Italy, 60126

Not Yet Recruiting

138

Clinical Trial Site

Genova, Italy, 16132

Actively Recruiting

139

Clinical Trial Site

Naples, Italy, 80131

Not Yet Recruiting

140

Clinical Trial Site

Padova, Italy, 35128

Actively Recruiting

141

Clinical Trial Site

Pavia, Italy, 27100

Actively Recruiting

142

Clinical Trials Site

Sungai Petani, Kedah, Malaysia, 8000

Actively Recruiting

143

Clinical Trial Site

Kota Bharu, Kelantan, Malaysia, 16150

Actively Recruiting

144

Clinical Trial Site

Ipoh, Perak, Malaysia, 30450

Actively Recruiting

145

Clinical Trial Site

George Town, Pulau Pinang, Malaysia, 10450

Actively Recruiting

146

Clinical Trial Site

Putrajaya, Putramya, Malaysia, 62250

Actively Recruiting

147

Clinical Trial Site

Kuching, Sarawak, Malaysia, 93586

Actively Recruiting

148

Clinical Trial Site

Petaling Jaya, Selangor, Malaysia, 46050

Actively Recruiting

149

Clinical Trial Site

Kuala Lumpur, WP, Malaysia, 59100

Actively Recruiting

150

Clinical Trial Site

Guadalajara, Jalisco, Mexico, 44670

Actively Recruiting

151

Clinical Trial Site

Mexico City, Mexico City, Mexico, 06760

Not Yet Recruiting

152

Clinical Trial Site

Puebla City, Puebla, Mexico, 72530

Withdrawn

153

Clinical Trial Site

San Luis Potosí City, San Luis Potosí, Mexico, 78209

Actively Recruiting

154

Clinical Trial Site

Monterrey, Mexico, 64460

Actively Recruiting

155

Clinical Trial Site

Oaxaca City, Mexico, 68020

Actively Recruiting

156

Clinical Trial Site

Sinaloa, Mexico, 80020

Actively Recruiting

157

Clinical Trial Site

Amsterdam, North Holland, Netherlands, 1081 HV

Actively Recruiting

158

Clinical Trial Site

Rotterdam, South Holland, Netherlands, 3083 AN

Actively Recruiting

159

Clinical Trial Site

Lublin, Lublin Voivodeship, Poland, 20-090

Actively Recruiting

160

Clinical Trial Site

Lodz, Lódzkie, Poland, 93-513

Actively Recruiting

161

Clinical Trial Site

Otwock, Masovian Voivodeship, Poland, 05-400

Actively Recruiting

162

Clinical Trial Site

Brzozów, Podkarpackie Voivodeship, Poland, 36-200

Actively Recruiting

163

Clinical Trial Site

Rzeszów, Podkarpackie Voivodeship, Poland, 35-021

Actively Recruiting

164

Clinical Trial Site

Gdynia, Pomeranian Voivodeship, Poland, 81-519

Actively Recruiting

165

Clinical Trial Site

Gdansk, Poland, 80-214

Not Yet Recruiting

166

Clinical Trial Site

Krakow, Poland, 31-115

Actively Recruiting

167

Clinical Trial Site

Krakow, Poland, 31-501

Actively Recruiting

168

Clinical Trial Site

Poznan, Poland, 60-192

Actively Recruiting

169

Clinical Trial Site

Wroclaw, Poland, 50-450

Withdrawn

170

Clinical Trial Site

Coimbra, Coimbra District, Portugal, 3000-075

Actively Recruiting

171

Clinical Trial Site

Lisbon, Lisbon District, Portugal, 1099-023

Actively Recruiting

172

Clinical Trial Site

Lisbon, Lisbon District, Portugal, 1500-458

Actively Recruiting

173

Clinical Trial Site

Porto, Porto District, Portugal, 4200-072

Actively Recruiting

174

Clinical Trial Site

Senhora da Hora, Porto District, Portugal, 4464-513

Actively Recruiting

175

Clinical Trial Site

Mayagüez, Puerto Rico, Puerto Rico, 00682-6391

Actively Recruiting

176

Clinical Trial Site

Oradea, Bihor County, Romania, 410469

Actively Recruiting

177

Clinical Trial Site

Brasov, Brașov County, Romania, 500152

Actively Recruiting

178

Clinical Trial Site

Bucharest, Bucharest, Romania, 014146

Actively Recruiting

179

Clinical Trial Site

Cluj-Napoca, Cluj, Romania, 400015

Actively Recruiting

180

Clinical Trial Site

Cluj-Napoca, Cluj, Romania, 400132

Not Yet Recruiting

181

Clinical Trial Site

Craiova, Dolj, Romania, 200542

Actively Recruiting

182

Clinical Trial Site

Iași, Iaşi, Romania, 700106

Actively Recruiting

183

Clinical Trial Site

Timișoara, Timiș County, Romania, 300239

Actively Recruiting

184

Clinical Trial Site

Bucharest, Romania, 030171

Not Yet Recruiting

185

Clinical Trial Site

Iași, Romania, 700451

Not Yet Recruiting

186

Clinical Trial Site

Suwon, Gyeonggi-do, South Korea, 16247

Actively Recruiting

187

Clinical Trial Site

Busan, South Korea, 49201

Actively Recruiting

188

Clinical Trial Site

Seoul, South Korea, 02841

Actively Recruiting

189

Clinical Trial Site

Seoul, South Korea, 03080

Actively Recruiting

190

Clinical Trial Site

Seoul, South Korea, 03722

Actively Recruiting

191

Clinical Trial Site

Seoul, South Korea, 05505

Actively Recruiting

192

Clinical Trial Site

Seoul, South Korea, 06273

Actively Recruiting

193

Clinical Trial Site

Seoul, South Korea, 06591

Actively Recruiting

194

Clinical Trial Site

Seoul, South Korea, 08308

Actively Recruiting

195

Clinical Trial Site

Suwon, South Korea, 16499

Actively Recruiting

196

Clinical Trial Site

Badajoz, Badajoz, Spain, 06080

Actively Recruiting

197

Clinical Trial Site

Badalona, Barcelona, Spain, 08916

Not Yet Recruiting

198

Clinical Trial Site

Manresa, Barcelona, Spain, 08243

Not Yet Recruiting

199

Clinical Trial Site

Girona, Girona, Spain, 17007

Actively Recruiting

200

Clinical Trial Site

León, León, Spain, 24071

Actively Recruiting

201

Clinical Trial Site

Lleida, Lleida, Spain, 25198

Actively Recruiting

202

Clinical Trial Site

Madrid, Madrid, Spain, 28050

Actively Recruiting

203

Clinical Trial Site

Pamplona, Navarre, Spain, 31008

Actively Recruiting

204

Clinical Trial Site

Seville, Sevilla, Spain, 41009

Actively Recruiting

205

Clinical Trial Site

Reus, Tarragona, Spain, 43204

Not Yet Recruiting

206

Clinical Trial Site

Valencia, Valencia, Spain, 46010

Actively Recruiting

207

Clinical Trial Site

Alicante, Spain, 03010

Actively Recruiting

208

Clinical Trial Site

Barcelona, Spain, 08023

Not Yet Recruiting

209

Clinical Trial Site

Fuenlabrada, Spain, 28942

Actively Recruiting

210

Clinical Trial Site

Madrid, Spain, 28033

Actively Recruiting

211

Clinical Trial Site

Murcia, Spain, 30120

Not Yet Recruiting

212

Clinical Trial site

Santa Cruz de Tenerife, Spain, 38320

Actively Recruiting

213

Clinical Trial Site

Santiago de Compostela, Spain, 15706

Actively Recruiting

214

Clinical Trial Site

Changhua, Taiwan, 500

Actively Recruiting

215

Clinical Trial Site

Kaohsiung City, Taiwan, 80756

Actively Recruiting

216

Clinical Trial Site

Taichung, Taiwan, 40447

Actively Recruiting

217

Clinical Trial Site

Taichung, Taiwan, 433

Actively Recruiting

218

Clinical Trial Site

Tainan, Taiwan, 736

Actively Recruiting

219

Clinical Trial Site

Taipei, Taiwan, 100

Actively Recruiting

220

Clinical Trial Site

Taipei, Taiwan, 111

Actively Recruiting

221

Clinical Trial Site

Taipei, Taiwan, 11217

Actively Recruiting

222

Clinical Trial Site

Taipei, Taiwan, 114

Actively Recruiting

223

Clinical Trial Site

Bangkok, Thailand, 10300

Actively Recruiting

224

Clinical Trial Site

Bangkok, Thailand, 10330

Actively Recruiting

225

Clinical Trial Site

Bangkok, Thailand, 10700

Actively Recruiting

226

Clinical Trial Site

Chiang Mai, Thailand, 50180

Actively Recruiting

227

Clinical Trial Site

Samut Sakhon, Thailand, 74120

Actively Recruiting

228

Clinical Trial Site

Songkhla, Thailand, 90110

Actively Recruiting

229

Clinical Trial Site

Leicester, Leicestershire, United Kingdom, LE1 5WW

Actively Recruiting

230

Clinical Trial Site

Nottingham, Nottingham, United Kingdom, NG5 1PB

Actively Recruiting

231

Clinical Trial Site

Taunton, Somerset, United Kingdom, TA1 5DA

Actively Recruiting

232

Clinical Trial Site

Bodelwyddan, United Kingdom, LL18 5UJ

Actively Recruiting

233

Clinical Trial Site

London, United Kingdom, EC1A 7BE

Actively Recruiting

Loading map...

Research Team

O

Olema Pharmaceuticals, Inc.

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

Not the Right Trial for You?

Explore thousands of other clinical trials that might be a better match.
Sign up to get personalized trial recommendations delivered to your inbox.

Already have an account? Log in here

OP-1250 (Palazestrant) vs. Standard of Care for the Treatment of ER+/HER2- Advanced Breast Cancer | DecenTrialz