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Breast CancerPhase 1/2NCT02139358

Phase I/IIa Trial of Gemcitabine Plus Trastuzumab and Pertuzumab in Previously Treated Metastatic HER2+ Breast Cancer

A Phase 1/2 study testing Gemcitabine, Trastuzumab and Pertuzumab in people with Breast Cancer, run by H. Lee Moffitt Cancer Center and Research Institute at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the safety and activity of gemcitabine plus trastuzumab and pertuzumab in patients with metastatic human epidermal growth factor receptor 2 (HER2)+ breast cancer who have progressed on at least one prior line of chemotherapy plus HER2 targeted agent such as T-DM1, trastuzumab… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Breast Cancer
What is being tested?
Gemcitabine, Trastuzumab and Pertuzumab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
15 participants
Where
1 siteUnited States
Study dates
5 Sep 2014to 16 Mar 2020
Phase
Phase 1/2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adult males or females (aged 18 or older) with histologically confirmed, metastatic human epidermal growth factor receptor 2 (HER2)+ (by immunohistochemistry (IHC) 3+ or fluorescence in situ hydridization (FISH) ratio ≥ 2.0) breast cancer
  • Have progressed on at least one prior line of chemotherapy plus HER2 directed therapy such as trastuzumab and/or pertuzumab in the metastatic setting. T-DM1 would count as a line of therapy and patients previously treated with T-DM1 are eligible.
  • Have not been treated with gemcitabine in the metastatic setting
  • Measurable disease per Response Evaluation in Solid Tumors (RECIST) 1.1 criteria
  • Eastern Cooperative Oncology Group (ECOG) performance status 2≤
  • Left Ventricular Ejection Fraction (LVEF) ≥ 50% at baseline as determined by either echocardiogram (ECHO) or multiple gated acquisition scan (MUGA)
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  • Adequate bone marrow function as indicated by the following: absolute neutrophil count (ANC) >1500/µL; Platelets ≥100,000/µL; Hemoglobin >10 g/dL
  • Adequate renal function, as indicated by creatinine ≤1.5x upper limit of normal (ULN)
  • Adequate liver function, as indicated by bilirubin ≤1.5x ULN, aspartic transaminase (AST) or alanine transaminase (ALT) <2x ULN unless related to metastatic breast cancer to the liver (in which case AST/ALT < 5x ULN is allowed).
  • Signed informed consent
  • Adequate birth control in sexually active women of childbearing potential

Who cannot join

  • Active uncontrolled infection or major concurrent illness which in the opinion of the investigator would render the participant unsafe to proceed with the study
  • Uncontrolled central nervous system (CNS) metastases. Treated, non-progressing CNS disease (documented by brain magnetic resonance imaging [MRI]) off corticosteroids for at least 1 month potential participants are eligible.
  • Women who are pregnant or lactating
  • Prior chemotherapy within the last 3 weeks (last 6 weeks for nitrosureas/mitomycin)
  • Prior radiation therapy within the last 4 weeks; prior radiation therapy to indicator lesion (unless objective disease recurrence or progression within the radiation portal has been documented since completion of radiation)
  • Other concomitant active malignancies
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  • History of significant cardiac disease, cardiac risk factors or uncontrolled arrhythmias
  • Ejection fraction <50% or below the lower limit of the institutional normal range, whichever is lower
  • Hypersensitivity to any of the study medications
  • Untreated psychiatric conditions preventing informed consent

Trial locations and contacts

1 site in 1 country.

United States1 site
  • H. Lee Moffitt Cancer Center and Research Institute

    Tampa, Florida, 33612

Other trials in United States

About this study

The purpose of this study is to evaluate the safety and activity of gemcitabine plus trastuzumab and pertuzumab in patients with metastatic human epidermal growth factor receptor 2 (HER2)+ breast cancer who have progressed on at least one prior line of chemotherapy plus HER2 targeted agent such as T-DM1, trastuzumab, or lapatinib.

Conditions
Breast Cancer
Keywords
Breast - Female, Metastatic, HER2+
Medical subject headings
Breast Neoplasms, Neoplasm Metastasis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GemcitabineDrug

    Also called GEMZAR®

    The Phase I trial will start at the recommended phase II dose (RP2D) for gemcitabine but will have a de-escalation dose levels in the event that an unacceptable toxicity requires dose reduction. Dose level 0 = gemcitabine (1200 mg/m2) IV D1,8 q21 days; Dose level -1 = gemcitabine (1000 mg/m^2) IV D1,8 q21 days; Dose level -2 = gemcitabine (850 mg/m^2) IV D1,8 q21 days. The RP2D will be the dose level where 0-1 dose limiting toxicities (DLTs) in six patients occur.

  • TrastuzumabDrug

    Also called Herceptin®

    Trastuzumab will be given using an 8 mg/kg loading dose on cycle one, day one (C1D1), followed by 6 mg/kg IV on subsequent cycles every (q) 21 days.

  • PertuzumabDrug

    Also called PERJETA®

    Pertuzumab will be given using an 840 mg IV loading dose on C1D1, followed by 420 mg IV on subsequent cycles q 21 days.

Study groups in NCT02139358
Study groupRoleWhat they receive
Dose Escalation / Phase II TreatmentExperimentalSingle arm, non-randomized, open label phase I/II multisite Simon two stage minimax trial. Gemcitabine plus trastuzumab and pertuzumab.
Receives: Drug: Gemcitabine; Drug: Trastuzumab; Drug: Pertuzumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Phase I: Recommended Phase II Dose (RP2D)

    The RP2D dose in mg/m^2 of gemcitabine along with standard doses of pertuzumab (840 mg loading/420 mg maintenance) and Herceptin (8 mg/kg loading, 6 mg/kg maintenance). Safety data to be described using Common Terminology Criteria for Adverse Events (CTCAE) 4.0 terminology. Any participant who receives any dose of the study treatment will be evaluated for the safety/toxicity endpoints in the trial.

    Measured: 6 Months

  2. Phase II: Objective Response Rate (ORR)

    Objective Response Rate: Response according to Response Evaluation in Solid Tumors (RECIST) 1.1 for the combination of gemcitabine+trastuzumab+pertuzumab at the recommended phase II dose. Complete Response (CR): Disappearance of all evidence of tumor for at least two cycles of therapy. Tumor markers must be normal. Partial Response (PR): At least a 30% decrease in the sum of the longest diameter of target lesions, taking a reference the baseline sum longest diameter. Stable Disease (SD): Neither sufficient shrinkage to qualify for partial response nor sufficient increase to qualify for progressive disease, taking as reference the smallest sum longest diameter since the treatment started. Progressive Disease (PD): At least a 20% increase in the sum of the longest diameter of target lesions, taking as reference the smallest sum longest diameter recorded since the beginning of treatment or the appearance of one or more new lesions.

    Measured: Up to 36 Months

Secondary outcomes (2)
  1. Phase II: Progression Free Survival (PFS)

    Median progression free survival (in months) for all participants evaluable for response. The time-to-event data will be summarized using Kaplan-Meir curve method for all patients who are evaluable for the ORR endpoint. Progressive disease (PD): At least a 20% increase in the sum of the longest diameter of target lesions, taking as reference the smallest sum longest diameter recorded since the beginning of treatment or the appearance of one or more new lesions.

    Measured: Up to 12 months

  2. Overall Survival (OS)

    Median overall survival (in months) for all participants evaluable for response. The length of time from the start of treatment that participants are still alive.

    Measured: Up to 36 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 May 2014 (estimated)
  2. Study start5 Sep 2014
  3. Primary completion24 Apr 2018
  4. Study completion16 Mar 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
15 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02139358
Sponsor's protocol ID
MCC-17656
Other IDs
ML28939
Status last verified
Feb 2021
First submitted
13 May 2014
Last updated
4 Feb 2021
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Gemcitabine, Trastuzumab and Pertuzumab in people with Breast Cancer, run by H. Lee Moffitt Cancer Center and Research Institute at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Feb 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 20 Jul 2018). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Phase I: Recommended Phase II Dose (RP2D) (time frame: 6 Months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Feb 2021.

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