Accelerating identification and regulatory approval of investigational cancer drugs.
Laura J Esserman, Janet Woodcock
https://pubmed.ncbi.nlm.nih.gov/22187281/Actively Recruiting
Led by QuantumLeap Healthcare Collaborative · Updated on 2026-05-06
5000
Participants Needed
42
Research Sites
52 weeks
Total Duration
Researchers are studying breast cancer to improve personalized medicine by identifying which new drug agents work best for specific types of breast cancer tumors. The study also aims to find early signs of treatment success by analyzing tumors before surgery using MRI images along with tissue and blood samples. This Phase 2 trial focuses on matching treatments to tumor molecular characteristics to increase the chance of complete tumor response after therapy. Participants receive novel drugs combined with standard chemotherapy in different treatment groups based on their tumor biomarkers. The standard therapy includes weekly paclitaxel for 12 weeks followed by doxorubicin and cyclophosphamide before surgery. Various investigational drugs and combinations are tested in sequences with standard treatments, and treatment groups showing promising results may continue while less effective ones are discontinued. Treatment lasts up to 36 weeks before surgery. During the study, participants undergo tumor biopsies, MRI scans at multiple points, and blood and tissue sample collections to monitor changes and predict treatment outcomes. Researchers measure the pathological complete response after surgery, track relapse-free and overall survival up to five years, and monitor adverse events during treatment and follow-up. The study involves detailed assessments before, during, and after treatment to evaluate safety and effectiveness over time.
CONDITIONS
I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer
W
Won Chang
H
Heather Prisant
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QuantumLeap Healthcare Collaborative
Lead Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Biomarker-Guided Investigational Regimen (plus Standard Chemotherapy) | Standard Neoadjuvant Chemotherapy Alone | Current Guideline-Based Neoadjuvant Therapy |
|---|---|---|---|
| What is it? | An adaptive regimen where novel investigational agents are selected based on the tumor’s molecular characteristics and added to standard chemotherapy before surgery. Examples include immune checkpoint inhibitors, targeted therapies, or combinations under study. | A standard chemotherapy regimen given before surgery, consisting of weekly paclitaxel followed by doxorubicin and cyclophosphamide (AC) in sequence. | For early or locally advanced breast cancer, guideline-recommended neoadjuvant systemic therapy typically uses anthracycline/taxane-based chemotherapy, sometimes combined with HER2-targeted agents or endocrine therapy based on tumor markers. |
| Role in study/trial | The investigational arm tests the safety and effectiveness of adding specific novel agents, guided by molecular tumor profiling, to standard preoperative chemotherapy. | The control arm provides a reference for evaluating whether investigational therapies improve outcomes over established neoadjuvant chemotherapy. | This column reflects what patients outside a trial would typically receive according to current clinical guidelines, based on tumor subtype and biomarker profile. |
| Main purpose or clinical use | To test if adding innovative or targeted therapies to conventional chemotherapy increases pathologic complete response rates and improves long-term outcomes in high-risk or locally advanced breast cancer. | To achieve tumor shrinkage and increase the likelihood of breast-conserving surgery, with established effects on survival when combined with surgery and additional therapy as needed. | Guideline-based regimens aim to reduce tumor burden, allow breast conservation where possible, and decrease risk of recurrence by tailoring therapy to tumor subtype. |
| How is it given or performed? | Participants receive standard chemotherapy by intravenous infusion, often weekly paclitaxel followed by doxorubicin and cyclophosphamide, with investigational targeted or immunotherapy agents added by protocol. Regimens and timing may change based on assigned cohort and tumor subtype. | Standard chemotherapy is given intravenously: paclitaxel once weekly for 12 weeks, then doxorubicin and cyclophosphamide every 2 or 3 weeks for 4 cycles, prior to surgery. | Guideline-based regimens typically involve intravenous administration of anthracycline/taxane chemotherapy, with HER2-targeted or endocrine agents added when indicated by tumor markers. Treatment duration and sequence depend on subtype. |
| Evidence status | Early and ongoing randomized data in I-SPY2 suggest some investigational regimens may increase pathologic complete response in certain biomarker-defined groups, but long-term survival benefit and optimal use are still under study. | Standard chemotherapy produces established rates of tumor shrinkage and pathologic complete response, with long-term follow-up confirming event-free and distant recurrence-free survival similar to real-world experience. | The efficacy of guideline-recommended neoadjuvant chemotherapy, and HER2- or hormone-targeted agents when indicated, is supported by multiple large studies and serves as the benchmark for new treatments. |
| Important limitations | Not all investigational agents demonstrate benefit in all biomarker subgroups, and regimens may increase toxicity or introduce new adverse effects compared to standard therapy. Results are sometimes interim, with long-term survival impact not yet confirmed. | Standard chemotherapy remains associated with significant side effects, including hair loss, fatigue, and risk of infection. Not all patients achieve pathologic complete response, and predictive biomarkers are not fully reliable. | Guideline pathways face similar challenges: not all subtypes respond equally to chemotherapy, and treatment can result in substantial acute and chronic toxicities. Precision tailoring of neoadjuvant therapy is an evolving field. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Up to 36 weeks
Participants receive neoadjuvant chemotherapy with standard drugs and may receive novel experimental agents depending on their assigned treatment arm and molecular characteristics of their disease.
Weekly visits for up to 12 weeks for initial chemotherapy cycles, followed by visits every 2 to 3 weeks for additional chemotherapy cycles before surgery
Duration - Up to 5 years post-surgery
Participants are monitored after surgery to assess treatment outcomes, including relapse-free survival and overall survival, and to track any adverse events or laboratory abnormalities.
Approximately 3 to 5 visits per year for up to 5 years
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
45
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https://pubmed.ncbi.nlm.nih.gov/19440188/QuantumLeap Healthcare Collaborative
Lead Sponsor