Clinical Trials in Australia / NCT04305496
Active, not recruiting
Phase 3
Capivasertib+Fulvestrant vs Placebo+Fulvestrant as Treatment for Locally Advanced (Inoperable) or Metastatic HR+/HER2- Breast Cancer
NCT04305496 · tracked via the Priya Life Science Australia tracker
Condition(s) studied
Locally Advanced (Inoperable) or Metastatic Breast Cancer
Investigational drug(s) / intervention(s)
Fulvestrant: Patients will be administered 500 mg (2 injections) on Day 1 of Weeks 1 and 3 of Cycle 1, and then on Day 1, Week 1 of each cycle thereafter
Capivasertib: 400 mg BD (2 tablets of 200 mg taken twice a day = total daily dose 800 mg) given on an intermittent weekly dosing schedule. Patients will be dosed on Days 1 to 4 in each week of a 28-day treatment cycle
Placebo: Placebo to match 400 mg BD (2 tablets of placebo to match 200 mg taken twice daily = placebo to match total daily dose of 800 mg) given on an intermittent weekly dosing schedule. Patients will be dosed on Days 1 to 4 in each week of a 28-day treatment cycle
Study summary
Phase III, double-blind, randomised study assessing the efficacy of capivasertib + fulvestrant vs placebo + fulvestrant for the treatment of patients with locally advanced (inoperable) or metastatic HR+/HER2- breast cancer following recurrence or progression on or after AI therapy.
Eligibility
Inclusion Criteria:
1. Adult females, pre- and/or post-menopausal, and adult males. Pre-menopausal (and peri-menopausal) women can be enrolled if amenable to treatment with an LHRH agonist. Patients are to have commenced concomitant treatment with LHRH agonist prior to or on Cycle 1, Day 1 and must be willing to continue on it for the duration of the study
2. Histologically confirmed HR+/HER2- breast cancer determined from the most recent tumour sample (primary or metastatic), as per the American Society of Clinical Oncology and College of American Pathologists guideline recommendations. To fulfil the requirement of HR+ disease, a breast cancer must express ER with or without co-expression of progesterone receptor.
3. Metastatic or locally advanced disease with radiological or objective evidence of recurrence or progression (the cancer should have shown progression during or after most recent therapy); locally advanced disease must not be amenable to resection with curative intent (patients who are considered suitable for surgical or ablative techniques following potential down-staging with study treatment are not eligible)
4. ECOG/WHO PS: 0-1
5. Patients are to have received treatment with an AI (aromatase inhibitor) containing regimen (single agent or in combination) and have:
1. Radiological evidence of breast cancer recurrence or progression while on, or within 12 months of the end of (neo)adjuvant treatment with an AI, OR
2. Radiological evidence of progression while on prior AI administered as a treatment line for locally advanced or metastatic breast cancer (this does not need to be the most recent therapy)
6. Patients must have measurable disease according to RECIST 1.1 and/or at least 1 lytic or mixed (lytic + sclerotic) bone lesion that can be assessed by CT or MRI; patients with sclerotic/osteoblastic bone lesions only in the absence of measurable disease are not eligible
7. FFPE tumour sample from primary/recurrent cancer for central testing
Exclusion Criteria:
1. Symptomatic visceral disease or any disease burden that makes the patient ineligible for endocrine therapy per the investigator's best judgement
2. More than 2 lines of endocrine therapy for inoperable locally advanced or metastatic disease
3. More than 1 line of chemotherapy for inoperable locally advanced or metastatic disease. Adjuvant and neoadjuvant chemotherapy are not classed as lines of chemotherapy for advanced breast cancer
4. Prior treatment with any of the following:
1. AKT, PI3K and mTOR inhibitors
2. Fulvestrant, and other SERDs
3. Any other chemotherapy, immunotherapy, immunosuppressant medication (other than corticosteroids) or anticancer agents within 3 weeks prior to study treatment initiation.
4. Potent inhibitors or inducers of CYP3A4 within 2 weeks prior to the first dose of study treatment (3 weeks for St John's wort) or drugs that are sensitive to CYP3A4 inhibition within 1 week prior to study treatment initiation.
5. Radiotherapy with a wide field of radiation up to 4 weeks before study treatment initiation (capivasertib/placebo) and/or radiotherapy with a limited field of radiation for palliation up to 2 weeks before study treatment initiation (capivasertib/placebo)
6. With the exception of alopecia, any unresolved toxicities from prior therapy greater than CTCAE grade 1 at the time of starting study treatment
7. Spinal cord compression or brain metastases unless asymptomatic, treated and stable and not requiring steroids up to 4 weeks before study treatment initiation
8. Any of the following cardiac criteria:
1. Mean resting QT interval corrected by Fridericia's formula (QTcF) \>470 msec obtained from 3 consecutive ECGs
2. Any clinically important abnormalities in rhythm, conduction or morphology of resting ECG (eg, complete left bundle branch block, third degree heart block)
3. Any factors that increase the risk of corrected QT interval (QTc) prolongation or risk of arrhythmic events such as heart failure, hypokalaemia, potential for torsades de pointes, congenital long QT syndrome, family history of long QT syndrome or unexplained sudden death under 40 years of age or any concomitant medication known to prolong the QT interval
4. Experience of any of the following procedures or conditions in the preceding 6 months: coronary artery bypass graft, angioplasty, vascular stent, myocardial infarction, angina pectoris, congestive heart failure New York Heart Association (NYHA) grade ≥2
5. Uncontrolled hypotension - systolic blood pressure \<90 mmHg and/or diastolic blood pressure \<50 mmHg
6. Cardiac ejection fraction outside institutional range of normal or \<50% (whichever is higher) as measured by echocardiogram (or multiple-gated acquisition \[MUGA\] scan if an echocardiogram cannot be performed or is inconclusive)
9. Clinically significant abnormalities of glucose metabolism as defined by any of the following:
1. Patients with diabetes mellitus type 1 or diabetes mellitus type 2 requiring insulin treatment
2. HbA1c ≥8.0% (63.9 mmol/mol)
10. Known abnormalities in coagulation such as bleeding diathesis, or treatment with anticoagulants precluding intramuscular injections of fulvestrant or LHRH agonist (if applicable)
11. Currently pregnant (confirmed with positive pregnancy test) or breast-feeding
Primary outcome measure(s)
- Progression Free Survival: Overall Population (Months) in the Global Cohort — Assessed every 8 weeks for the first 18 months and every 12 weeks thereafter, from randomization to radiological progression.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause, in the global cohort. Participants who discontinue treatment prior to progression should continue to be scanned until progression. Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) as at least a 20% increase in the sum of the longest diameter of target lesions (short axis diameter used for lymph nodes), or clinically significant increase in a non-target lesion, or the appearance of a new lesion(s). - Progression Free Survival: Overall Population (Percentage) in the Global Cohort — Assessed every 8 weeks for the first 18 months and every 12 weeks thereafter, from randomization to radiological progression.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause. Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) as at least a 20% increase in the sum of the longest diameter of target lesions (short axis diameter used for lymph nodes), or clinically significant increase in a non-target lesion, or the appearance of a new lesion(s). Participants who discontinue treatment prior to progression should continue to be scanned until progression. Kaplan-Meier estimate was used. - Progression Free Survival: Altered Population (Months) in the Global Cohort — Assessed every 8 weeks for the first 2 years following objective disease progression or treatment discontinuation and then every 12 weeks.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause. - Progression Free Survival: Altered Population (Percentage) in the Global Cohort — Assessed every 8 weeks for the first 2 years following objective disease progression or treatment discontinuation and then every 12 weeks.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause. Kaplan-Meier estimate was used. - Progression Free Survival: Overall Population (Months) in the China Cohort — Assessed every 8 weeks for the first 18 months and every 12 weeks thereafter, from randomization to radiological progression.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause, in the global cohort. Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) as at least a 20% increase in the sum of the longest diameter of target lesions (short axis diameter used for lymph nodes), or clinically significant increase in a non-target lesion, or the appearance of a new lesion(s). Participants who discontinue treatment prior to progression should continue to be scanned until progression. - Progression Free Survival: Overall Population (Percentage) in the China Cohort — Assessed every 8 weeks for the first 18 months and every 12 weeks thereafter, from randomization to radiological progression.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause. Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) as at least a 20% increase in the sum of the longest diameter of target lesions (short axis diameter used for lymph nodes), or clinically significant increase in a non-target lesion, or the appearance of a new lesion(s). Participants who discontinue treatment prior to progression should continue to be scanned until progression. Kaplan-Meier estimate was used. - Progression Free Survival: Altered Population (Months) in the China Cohort — Assessed every 8 weeks for the first 2 years following objective disease progression or treatment discontinuation and then every 12 weeks.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause. - Progression Free Survival: Altered Population (Percentage) in the China Cohort — Assessed every 8 weeks for the first 2 years following objective disease progression or treatment discontinuation and then every 12 weeks.
Progression free survival (PFS), defined as the time from randomization until progression per RECIST v1.1, as assessed by the investigator at the local site, or death due to any cause Kaplan-Meier estimate was used.
Trial sites (215)
| Facility | City | Region | Status |
|---|---|---|---|
| Research Site | Gilbert | Arizona | |
| Research Site | Orange | California | |
| Research Site | San Francisco | California | |
| Research Site | Whittier | California | |
| Research Site | Fort Myers | Florida | |
| Research Site | Jacksonville | Florida | |
| Research Site | Westwood | Kansas | |
| Research Site | Baltimore | Maryland | |
| Research Site | Boston | Massachusetts | |
| Research Site | Rochester | Minnesota | |
| Research Site | Kansas City | Missouri | |
| Research Site | St Louis | Missouri | |
| Research Site | Paramus | New Jersey | |
| Research Site | Farmington | New Mexico | |
| Research Site | Lake Success | New York | |
| Research Site | New York | New York | |
| Research Site | Greensboro | North Carolina | |
| Research Site | Chattanooga | Tennessee | |
| Research Site | Nashville | Tennessee | |
| Research Site | Dallas | Texas | |
| Research Site | Midlothian | Virginia | |
| Research Site | Puyallup | Washington | |
| Research Site | Berazategui | Argentina | |
| Research Site | Buenos Aires | Argentina | |
| Research Site | La Rioja | Argentina | |
| Research Site | Rosario | Argentina | |
| Research Site | Viedma | Argentina | |
| Research Site | Adelaide | Australia | |
| Research Site | Ballarat | Australia | |
| Research Site | Birtinya | Australia | |
| Research Site | Box Hill | Australia | |
| Research Site | Concord | Australia | |
| Research Site | Kurralta Park | Australia | |
| Research Site | North Sydney | Australia | |
| Research Site | Orange | Australia | |
| Research Site | Ringwood East | Australia | |
| Research Site | South Brisbane | Australia | |
| Research Site | Waratah | Australia | |
| Research Site | Wendouree | Australia | |
| Research Site | Brussels | Belgium |
+ 175 more sites — see the full list on the official registry below.
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Official registry record
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
View NCT04305496 on ClinicalTrials.gov ↗ ← All trials in Australia