Afatinib and Paclitaxel in Patients With Advanced HER2-Positive Trastuzumab-Refractory Advanced Esophagogastric Cancer

Conditions:Cancer, Cancer, Cancer, Cancer, Gastrointestinal
Therapuetic Areas:Gastroenterology, Oncology
Age Range:18 - Any
Start Date:March 2012
End Date:February 2020
Contact:Yelena Janjigian, MD

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A Phase II Study of Afatinib and Paclitaxel in Patients With Advanced HER2-Positive Trastuzumab Refractory Advanced Esophagogastric Cancer

The purpose of this study is to find out what effects, good or bad, the combination of
standard chemotherapy agent paclitaxel with the investigational (experimental) drug afatinib
that targets HER2, has on HER2-positive esophagogastric cancer that started to get bigger
despite previous treatment with trastuzumab. The doctors will also study the tumor to
understand why it grew while on trastuzumab treatment and to see the effects afatinib and
paclitaxel has on the tumor.

Inclusion Criteria:

- Pathologically or cytologically confirmed esophagogastric cancer.

- HER2 overexpression and/or amplification as determined by immunohistochemistry (3+) or
FISH (≥2.0)

- Previously received trastuzumab as part of a regimen in the perioperative or
metastatic setting with evidence of progression 9Zr-trastuzumab use as imaging agent
for 89Zr-trastuzumab PET permitted..

- May have previously received lapatinib as part of a regimen in the perioperative or
metastatic setting with evidence of progression of disease. Washout period for
lapatinib of 14 days.

- Completion of previous chemotherapy regimen ≥2 weeks prior to the start of study
treatment. Other chemotherapy regimens may have been administered between the time of
progression on prior trastuzumab containing regimen and protocol therapy. No
restriction on prior chemotherapy regimens for advanced stage disease.

- At least one measurable metastatic lesion according to RECIST 1.1 criteria. Ascites,
pleural effusions, and bone metastases are not considered measurable. Minimum
indicator lesion size = 10 mm by helical CT or = 20 mm by conventional techniques.
Pathological nodes must be = 15 mm by the short axis to be considered measurable.

- Patients aged 18 years or older, as no dosing or adverse event data are currently
available on the use of afatinib in patients <18 years of age, children are excluded
from this study.

- Life expectancy of at least three (3) months.

- Karnofsky performance status ≥60%

- All patients with disease technically amenable to biopsy will be asked to undergo a
biopsy. Patient must agree to allow 2 biopsies of any malignant lesion that can be
accessed by endoscopy or with the aid or radiology (i.e. CT guided).

- Patients who have previously provided samples at any time after trastuzumab resistance
will be exempt from biopsy at the start of therapy.

- Consent to preservation of frozen and fixed samples of tumor cores for evaluation

- Able to swallow and retain oral medication.

- Negative serum HCG pregnancy test for premenopausal women of reproductive capacity and
for women less than 12 months after menopause.

- Willingness to use birth control while on study.

- Asymptomatic, central nervous system metastases are permitted.

Exclusion Criteria:

- Patients receiving any concurrent anticancer therapy or investigational agents with
the intention of treating esophagogastric cancer. 89Zr-trastuzumab uses as imaging
agent for 89Zr-trastuzumab PET permitted.

- Prior disease progression on docetaxel or paclitaxel in metastatic setting.

- Patients who are unwilling to consent to mandatory tumor biopsy. Patients with
archival tissue permitted to enroll on study per MSK Principal Investigator discretion
Women who are pregnant or breast feeding.

- Concurrent radiotherapy is not permitted for disease progression on treatment on
protocol (except in the context specified in section 9.0), but might be allowed for
pre-existing non-target lesions with approval from the principal investigator of the

- Concurrent medical conditions which may increase the risk of toxicity, including
ongoing or active infection, history of significant bleeding disorder unrelated to
cancer (congenital bleeding disorders, acquired bleeding disorders within one year),

- Subjects with acute Hepatitis B are not eligible. Subjects with chronic hepatitis are
eligible if their condition is stable and in the opinion of the investigator, if
consulted, would not pose a risk to subject safety.

- History or presence of clinically relevant cardiovascular abnormalities such as
uncontrolled hypertension, congestive heart failure NYHA classification of 3, unstable
angina or poorly controlled arrhythmia. Myocardial infarction within 6 months prior to
study entry.

- Baseline (< 1 month before treatment) cardiac left ventricular function with resting
ejection fraction of less than 50% measured by echocardiogram.

- Known pre-existing interstitial lung disease.

- Significant or recent acute gastrointestinal disorders with diarrhea as a major
symptom e.g., Crohn's disease, malabsorption, or CTCAEGrade >2 diarrhea of any

- Unwillingness to give written informed consent, unwillingness to participate, or
inability to comply with the protocol for the duration of the study.

- Active hepatitis B infection, active hepatitis C infection

- Known HIV carrier

- Known or suspected active drug or alcohol abuse. Restricted Therapies

- Additional experimental anti-cancer treatment and/or standard chemo-, immunotherapy,
hormone treatment (with the exception of megestrol acetate), or concurrent
radiotherapy is not allowed concomitantly with the administration of study treatment
(with the exception listed in section 9.0) 89Zr-trastuzumab use as imaging agent for
89Zr-trastuzumab PET permitted. Afatinib is a substrate of P-gp and its plasma
concentrations can be affected by the use of P-gp inhibitors (data on file) and it is
also likely that P-gp inducers could also influence afatinib plasma concentrations.

- The use of potent P-gp inhibitors (including cyclosporine, erythromycin, ketoconazole,
itraconazole, quinidine, Phenobarbital salt with quinidine, ritonavir, valspodar,
verapamil) and potent P-gp inducers (including St John's wort, rifampicin) has to be
avoided during treatment with afatinib. Any exemptions to this have to be discussed
with the principal investigator.
We found this trial at
225 Summit Avenue
Montvale, New Jersey 07645
Phone: 646-888-4186
Montvale, NJ
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Los Angeles, California 90033
213) 740-2311
Principal Investigator: Syma Iqbal, MD
Phone: 323-865-3907
University of Southern California The University of Southern California is one of the world’s leading...
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136 Mountainview Boulevard
Basking Ridge, New Jersey 07920
Principal Investigator: Yelena Janjigian, MD
Basking Ridge, NJ
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55 Fruit St
Boston, Massachusetts 02114
(617) 724-4000
Phone: 617-724-5600
Massachusetts General Hospital Cancer Center An integral part of one of the world
Boston, MA
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Commack, New York 11725
Principal Investigator: Yelena Janjigian, MD
Commack, NY
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500 Westchester Avenue
Harrison, New York 10604
Phone: 646-888-4186
Harrison, NY
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480 Red Hill Road
Middletown, New Jersey 07748
Phone: 646-888-4186
Middletown, NJ
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1275 York Ave
New York, New York 10021
(212) 639-2000
Principal Investigator: Yelena Janjigian, MD
Phone: 646-888-4186
Memorial Sloan Kettering Cancer Center Memorial Sloan Kettering Cancer Center — the world's oldest and...
New York, NY
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Rockville Centre, New York 11570
Principal Investigator: Yelena Janjigian, MD
Rockville Centre, NY
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