Clinical Trials for Breast Cancer

An Open-label, Multicenter, Dose Escalation and Expansion Phase 1/2 Study to Evaluate the Safety, Tolerability and Pharmacokinetics, and Anti-tumor Activity of GI-102, a CD80-IgG4 Fc-IL-2v Bispecific Fusion Protein, As a Single Agent and in Combination with Conventional Anti-cancer Drugs, Pembrolizumab or Trastuzumab Deruxtecan(T-DXd) in Patients with Advanced or Metastatic Solid Tumors (KEYNOTE-G08)

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: This trial enrolls adults with advanced or metastatic solid tumors (ECOG 0-1, no active CNS metastases) to receive GI-102, a bispecific CD80–IL-2 variant fusion protein designed to selectively activate CD8+ T and NK cells, as monotherapy or combined with standard regimens, including pembrolizumab and trastuzumab deruxtecan (for HER2+ disease).

ClinicalTrials.gov ID: NCT05824975

A Phase 1b Open-Label Multicenter Study of OP-1250 (Palazestrant) in Combination With the CDK4/6 Inhibitor Ribociclib, With the PI3K Inhibitor Alpelisib, or With the mTOR Inhibitor Everolimus in Adult Subjects With Advanced and/or Metastatic ER Positive, HER2 Negative Breast Cancer

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

Moderate burden on patient

The trial has a moderate burden on patients. An example would be a trial testing an IV drug, with scans every 8 weeks which would be more frequent than standard of care.

Started >3 years ago

The trial was activated more than 3 years ago. This is not always bad but can indicate that the trial has less current treatments, or has had trouble getting enough patients to enroll due to other issues.

TrialFetch AI summary: This study enrolls adults with advanced or metastatic ER-positive, HER2-negative breast cancer (with limited prior systemic therapy) to receive OP-1250 (palazestrant), a complete estrogen receptor antagonist and degrader, in combination with either ribociclib (CDK4/6 inhibitor), alpelisib (PI3K inhibitor), or everolimus (mTOR inhibitor). Eligible patients must have measurable or evaluable disease and ECOG 0-1.

ClinicalTrials.gov ID: NCT05508906

A Phase I/II, Multi-site, Open-label, Two-part Trial to Evaluate the Efficacy, Safety, and Pharmacokinetics of BNT323 in Combination With BNT327 in Participants With Advanced Breast Cancer

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: This trial enrolls patients with advanced, locally unresectable or metastatic breast cancer of any HER2 status (including HER2-positive, HER2-low, HER2-ultralow, HER2-negative/triple-negative), investigating the combination of BNT323 (a HER2-targeted antibody-drug conjugate delivering a topoisomerase I inhibitor) and BNT327 (a bispecific antibody targeting PD-L1 and VEGF-A), with some arms evaluating each agent as monotherapy. Eligible patients are generally pretreated with chemotherapy and must have measurable disease.

ClinicalTrials.gov ID: NCT06827236

Comparing Oral Drug Dosing Strategies in Older Patients With Metastatic Breast Cancer to Maximize Tolerance and Reduce Discontinuation: The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study

Low burden on patient

The trial has a low burden on patients. An example would be a trial testing an oral drug, with scans every 12 weeks which would be similar to standard of care.

TrialFetch AI summary: This trial enrolls patients aged 65 or older with HR+/HER2- metastatic breast cancer who are eligible for combination endocrine therapy plus either palbociclib or ribociclib (CDK4/6 inhibitors), and randomizes them to receive either standard starting doses or lower, titratable doses of the selected CDK4/6 inhibitor. The goal is to determine which dosing approach better maximizes medication tolerance and reduces early discontinuation in this older population.

ClinicalTrials.gov ID: NCT06377852

A Phase 1 Open-Label Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of BL-M07D1 in Subjects With HER2 Expressing Advanced Malignant Solid Tumors

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: Eligible patients are adults with advanced, HER2-expressing solid tumors (including gynecologic, urothelial, biliary tract, breast, lung, and gastrointestinal cancers) who have progressed after at least two prior lines of standard therapy. All participants receive BL-M07D1, an investigational HER2-directed antibody-drug conjugate that delivers a topoisomerase I inhibitor (Ed-04) selectively to tumor cells via IV infusion every 21 days.

ClinicalTrials.gov ID: NCT06293898

A Study of PARG Inhibitor IDE161 in Participants With Advanced Solid Tumors

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: This trial enrolls adults with advanced or metastatic solid tumors (excluding primary CNS tumors); for IDE161 monotherapy, patients must have BRCA1/2 or other homologous recombination deficiency gene alterations, while the combination arm is for patients with advanced or recurrent endometrial cancer who have progressed on prior anti–PD-1/L1 therapy. IDE161 is an investigational oral inhibitor of poly(ADP-ribose) glycohydrolase (PARG), targeting DNA repair in HR-deficient tumors, given alone or in combination with pembrolizumab.

ClinicalTrials.gov ID: NCT05787587

A Phase I/II Open-label Dose Escalation and Expansion Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of AZD6750, a CD8 Guided IL-2 Agent Alone and in Combination With Other Anti-cancer Agents in Participants With Select Advanced or Metastatic Solid Tumors

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: Adults with select advanced/metastatic solid tumors after standard therapy (melanoma, cSCC, Merkel cell, NSCLC, HNSCC, gastric/GEJ, RCC, HGSOC, TNBC) receive AZD6750, an investigational CD8-guided IL-2 designed to preferentially activate CD8+ T cells; a separate module enrolls NSCLC (including 1L PD-L1 ≥1%) to receive AZD6750 plus rilvegostomig, a bispecific PD-1/TIGIT antibody. Key exclusions include uncontrolled CNS disease, active autoimmune disease, prior severe I/O toxicities, and in the NSCLC module prior anti-TIGIT or targetable driver-positive 1L disease.

ClinicalTrials.gov ID: NCT07115043

An Open-Label, Multicenter, Phase Ib Dose Randomization Study of Bulumtatug Furvedotin (BFv; 9MW2821) in Subjects With Recurrent or Metastatic Triple-Negative Breast Cancer Previously Treated With Antibody-Drug Conjugates

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: Adults with recurrent/metastatic triple‑negative breast cancer previously treated with a taxane and a topoisomerase‑inhibitor ADC (ECOG 0–1) receive bulumtatug fuvedotin (9MW2821), a Nectin‑4–targeted MMAE antibody‑drug conjugate, at two dose levels. Excludes prior MMAE‑based or Nectin‑4 ADC exposure and requires measurable disease and available tissue; explores efficacy with biomarker correlations (including Nectin‑4 expression).

ClinicalTrials.gov ID: NCT06908928

A Phase 1b/2, Open-Label, Multicohort Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: Enrolling adults with previously treated, locally advanced/metastatic breast cancer across HER2+ to HER2-low/ultralow (cohorts by HER2 and HR status, generally after standard HER2 therapies and/or CDK4/6i, PARPi, checkpoint inhibitors, and prior T-DXd as applicable). Single-arm disitamab vedotin (HER2-targeted MMAE antibody–drug conjugate) IV q2w until progression; excludes active CNS disease and prior MMAE ADCs.

ClinicalTrials.gov ID: NCT06966453

A Phase Ib/II Multicenter, Open-Label, Randomized Study Evaluating the Safety, Pharmacokinetics, and Activity of GDC-4198 Alone and in Combination With Giredestrant in Comparison With Abemaciclib and Giredestrant in Participants With Locally Advanced or Metastatic Estrogen Receptor-Positive, HER2-Negative Breast Cancer Who Have Previously Progressed During or After a CDK4/6 Inhibitor

Active drug

Investigational drug(s) in this trial have shown anticancer activity in clinical trials

High burden on patient

The trial has a high burden on patients. An example would be a phase 1 trial with extra tumor biopsies and frequent pharmacokinetic blood draws.

TrialFetch AI summary: Adults with ER-positive, HER2-negative locally advanced/metastatic breast cancer who have progressed on prior CDK4/6 inhibitor plus endocrine therapy (ECOG 0–1) are enrolled to receive GDC-4198—an oral next-generation cyclin-dependent kinase inhibitor with potent CDK4 and additional CDK2 activity—alone or with the oral SERD giredestrant, and in Phase II are randomized to GDC-4198 + giredestrant (two dose levels) versus abemaciclib + giredestrant. Excludes visceral crisis requiring chemotherapy and prior chemotherapy for metastatic disease.

ClinicalTrials.gov ID: NCT07100106