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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Phesgo Clear all
Completed Phase 2 Interventional Results available

A Study to Evaluate Patient Preference and Satisfaction of Subcutaneous Administration of the Fixed-Dose Combination of Pertuzumab and Trastuzumab in Participants With HER2-Positive Early Breast Cancer

NCT03674112
View directory record Official record
Conditions
HER2-Positive Early Breast Cancer
Interventions
Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC), Pertuzumab IV, Trastuzumab IV
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
9
States / cities
Lakewood, Colorado • Peoria, Illinois • Wichita, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2024 · Synced Sep 1, 2026, 2:47 PM EDT
Active, not recruiting Phase 2 Interventional

PHESGO Maintenance After T-DXd Short Induction for HER2+ Unresectable Locally Recurrent or Metastatic Breast Cancer

NCT06172127
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Trastuzumab deruxtecan, Phesgo 1,200 MG / 600 MG / 30,000 UNT Per 15 ML Injection, Phesgo 600 MG / 600 MG / 20,000 UNT in 10 mL Injection
Drug
Lead sponsor
MedSIR
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Recruiting Phase 2 Interventional

The SAPPHO Study: Sequential Therapy With Curative Intent in de Novo HER2+ Metastatic Breast Cancer

NCT06439693
View directory record Official record
Conditions
Breast Cancer Female, Breast Cancer, Breast Cancer Metastatic, Estrogen Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Stage IV Breast Cancer
Interventions
Nab-Paclitaxel, Paclitaxel, Docetaxel, Phesgo, T-DM1, Pertuzumab, Trastuzumab Deruxtecan, Trastuzumab Subcutaneous Subcutaneous, Tucatinib, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Active, not recruiting Phase 2 Interventional

A Single Arm Phase II Study of ADjuvant Endocrine Therapy, Pertuzumab, and Trastuzumab for Patients With Anatomic Stage I Hormone Receptor-positive, HER2-positive Breast Cancer

NCT04569747
View directory record Official record
Conditions
HER2-positive Breast Cancer, Invasive Carcinoma of the Breast, Breast Cancer, Node Negative Breast Cancer, Micrometastasis Breast Cancer, Hormone Receptor Positive Breast Cancer
Interventions
Pertuzumab+TRASTUZUMAB, ADJUVANT ENDOCRINE THERAPY
Combination Product · Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
32
States / cities
Stamford, Connecticut • Miami, Florida • Atlanta, Georgia + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer

NCT05894239
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Inavolisib, Phesgo, Placebo, Taxane-based Chemotherapy, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Gilbert, Arizona • Burbank, California • Corona, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Phase 1 Trial of ZN-A-1041 Enteric Capsules or Combination in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Advanced Solid Tumors

NCT05593094
View directory record Official record
Conditions
Advanced Solid Tumors, HER2-positive Breast Cancer
Interventions
ZN-A-1041, ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1b, ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1b, ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1b, ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1c, ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1c, ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1c
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
8
States / cities
Tucson, Arizona • Cerritos, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Approved For Marketing No phase listed Expanded access

An Expanded Access Study to Provide at Home Subcutaneous Administration of Pertuzumab and Trastuzumab Fixed-Dose Combination (PH FDC SC) for Patients With HER2-Positive Breast Cancer During the COVID-19 Pandemic

NCT04395508
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC)
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
12
States / cities
Beverly Hills, California • San Francisco, California • Stanford, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Sep 1, 2026, 2:47 PM EDT
Recruiting Phase 3 Interventional

Testing the Addition of Herceptin Hylecta or Phesgo to the Usual Chemotherapy for HER2 Positive Endometrial Serous Carcinoma or Carcinosarcoma

NCT05256225
View directory record Official record
Conditions
Endometrial Carcinoma, Endometrial Clear Cell Adenocarcinoma, Endometrial Dedifferentiated Carcinoma, Endometrial Endometrioid Adenocarcinoma, Endometrial Mixed Cell Adenocarcinoma, Endometrial Serous Adenocarcinoma, Endometrial Undifferentiated Carcinoma, Uterine Corpus Malignant Mixed Mesodermal (Mullerian) Tumor
Interventions
Biospecimen Collection, Carboplatin, Computed Tomography, Echocardiography Test, High-Dose-Rate Vaginal Cuff Brachytherapy, Hyaluronidase-zzxf/Pertuzumab/Trastuzumab, Multigated Acquisition Scan, Paclitaxel, Survey Administration, Trastuzumab/Hyaluronidase-oysk
Procedure · Drug · Radiation + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
409
States / cities
Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 307 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Giredestrant in Combination With Phesgo (Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf) Versus Phesgo in Participants With Locally Advanced or Metastatic Breast Cancer (heredERA Breast Cancer)

NCT05296798
View directory record Official record
Conditions
Locally Advanced or Metastatic Breast Cancer
Interventions
Phesgo, Giredestrant, Docetaxel, Paclitaxel, LHRH Agonist, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
922 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
13
States / cities
Tucson, Arizona • Los Angeles, California • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Completed Phase 2 Interventional Results available

Pertuzumab, Trastuzumab, Hyaluronidase-zzxf and Enzalutamide for Treatment of Metastatic Castration-Resistant Prostate Cancer

NCT05730712
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Echocardiography, Enzalutamide, Hyaluronidase-zzxf/Pertuzumab/Trastuzumab, Magnetic Resonance Imaging, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Participants With Breast Cancer

NCT04802759
View directory record Official record
Conditions
Inoperable, Locally Advanced or Metastatic, ER-positive Breast Cancer
Interventions
Giredestrant, Abemaciclib, Ipatasertib, Inavolisib, Ribociclib, Everolimus, Samuraciclib, PH FDC SC, Palbociclib, Atezolizumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
12
States / cities
Duarte, California • Irvine, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating Targeted Therapies in Participants Who Have Advanced Solid Tumors With Genomic Alterations or Protein Expression Patterns Predictive of Response

NCT04632992
View directory record Official record
Conditions
Advanced Unresectable or Metastatic Solid Malignancy
Interventions
Entrectinib, Inavolisib, Alectinib, Ipatasertib, Atezolizumab, Trastuzumab Emtansine, Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf, Tucatinib, Investigator's Choice of Chemotherapy, Paclitaxel, Tiragolumab, Pralsetinib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
38
States / cities
Anchorage, Alaska • Oro Valley, Arizona • Hot Springs, Arkansas + 33 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 1, 2026, 2:47 PM EDT
Active, not recruiting Phase 3 Interventional

A Study of Tucatinib or Placebo With Trastuzumab and Pertuzumab for Metastatic HER2+ Breast Cancer

NCT05132582
View directory record Official record
Conditions
HER2 Positive Breast Cancer
Interventions
Tucatinib, Trastuzumab, Pertuzumab, Combination product: Trastuzumab + Pertuzumab, Placebo
Drug
Lead sponsor
Seagen, a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
654 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
76
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 1, 2026, 2:47 PM EDT
Recruiting Phase 2 Interventional

Correlation of Clinical Response to Pathologic Response in Patients With Early Breast Cancer

NCT05020860
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasm, Breast Cancer Female, Breast Cancer Invasive, Breast Cancer Stage II, Breast Cancer Stage III, Triple Negative Breast Cancer, Hormone Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Triple Negative Breast Neoplasms, Estrogen Receptor-positive Breast Cancer
Interventions
Paclitaxel, Carboplatin, Trastuzumab, Pertuzumab, Doxorubicin, Cyclophosphamide, Pembrolizumab, Pertuzumab/Trastuzumab/Hyaluronidase-zzxf
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 1, 2026, 2:47 PM EDT