A Study of MM-111 and Paclitaxel With Trastuzumab in Patients HER2 Positive Carcinomas of the Distal Esophagus, Gastroesophageal (GE) Junction and Stomach

This is a randomized, open Label, Phase 2 Study of MM-111 and Paclitaxel withTrastuzumab in
Patients with HER2 Positive Carcinomas of the Distal Esophagus, Gastroesophageal (GE)
Junction and Stomach Who Have Failed Front Line Metastatic or Locally Advanced Therapy.
Approximately 120 patients will be randomized in a 1:1 ratio between the experimental and
comparator arms.

Inclusion Criteria:

- Patients must have documentation of histologically or cytologically confirmed
metastatic or locally advanced adenocarcinoma of the distal esophagus, GE junction or
stomach

- Patients must have documentation of histologically or cytologically confirmed HER2
expression

- Patients must be ≥18 years of age

- Patients must have ECOG PS of 0, 1, or 2

- Patients must have adequate hematologic status, renal and hepatic function

Exclusion Criteria:

- Patients with known hypersensitivity to any of the components of MM-111

- Patients with a known history of hypersensitivity to paclitaxel or other drugs
formulated in Cremophor® EL

- Patients with a known history of hypersensitivity to trastuzumab or any of its
components (group 1 patients only)

- Patients with an active infection or with an unexplained fever >38.5°C