Expanded Access Protocol of Talimogene Laherparepvec for Subjects With Unresected, Stage lllB to IVM1c Melanoma

Inclusion Criteria:

- Histologically confirmed diagnosis of melanoma

- Subject has unresected stage lllB to IVM1c melanoma regardless of prior therapy

- Subject who is not eligible for or cannot access ongoing talimogene laherparepvec
clinical trials

- Candidate for intralesional therapy (ie, disease is appropriate for direct injection
or through the use of ultrasound guidance) defined as one of the following:

- for a subject not previously treated with talimogene laherparepvec:

- at least 1 injectable cutaneous, subcutaneous, or nodal melanoma lesion ≥ 10 mm in
longest diameter, or

- multiple injectable melanoma lesions that in aggregate have a longest diameter of ≥
10 mm

- for a subject previously treated with talimogene laherparepvec:

- at least 1 injectable cutaneous, subcutaneous, or nodal melanoma lesion must be
present (no minimal size criteria)

- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2

- Adequate organ function determined within 35 days prior to enrollment

- Serum LDH levels less than or equal to 1.5 ULN within 35 days prior to enrollment

- For a subject who previously received talimogene laherparepvec in another clinical
trial, subject must have ended treatment for reason(s) other than disease
progression or intolerability to talimogene laherparepvec

Exclusion Criteria:

- Clinically active cerebral metastases. Subjects with up to 3 (neurological
performance status of 0) cerebral metastases may be enrolled, provided that all
lesions have been adequately treated with stereotactic radiation therapy,
craniotomy, gammaknife therapy, with no evidence of progression, and have not
required steroids, for at least two (2) months prior to enrollment.

- Greater than 3 visceral metastases (this does not include lung metastases or nodal
metastases associated with visceral organs). For subjects with less than or equal to
3 visceral metastases, no lesion > 3 cm, and liver lesions must meet RECIST criteria
for stable disease for at least 1 month prior to enrollment.

- Bone metastases

- Primary ocular or mucosal melanoma

- History or evidence of symptomatic autoimmune pneumonitis, glomerulonephritis,
vasculitis, or other symptomatic autoimmune disease

- Evidence of clinically significant immunosuppression

- Active herpetic skin lesions or prior complications of HSV-1 infection (eg, herpetic
keratitis or encephalitis)

- Requires intermittent or chronic systemic (intravenous or oral) treatment with an
antiherpetic drug (eg, acyclovir), other than intermittent topical use

- Currently receiving treatment with another investigational device or drug study
besides talimogene laherparepvec, or less than 28 days since ending treatment with
another investigational device or drug study(s)

- Other investigational procedures while participating in this protocol are excluded

- Known to have acute or chronic active hepatitis B or hepatitis C infection

- Known to have human immunodeficiency virus infection

- History of other malignancy within the past 3 years with the following exceptions:

- malignancy treated with curative intent and with no known active disease present for
≥ 3 years before enrollment and felt to be at low risk for recurrence by the
treating physician

- adequately treated non-melanoma skin cancer or lentigo maligna without evidence of
disease

- adequately treated cervical carcinoma in situ without evidence of disease

- adequately treated breast ductal carcinoma in situ without evidence of disease

- prostatic intraepithelial neoplasia without evidence of prostate cancer

- adequately treated urothelial papillary noninvasive carcinoma or carcinoma in situ

- Subject has known sensitivity to any of the products or components to be
administered during dosing

- History or evidence of any other clinically significant disorder, condition or
disease (with the exception of those outlined above) that, in the opinion of the
investigator or Amgen medical monitor, if consulted, would pose a risk to subject
safety or interfere with the protocol evaluation, procedures or completion

- Female subject is pregnant or breast-feeding, or planning to become pregnant during
protocol treatment and through 3 months after the last dose of talimogene
laherparepvec

- Female subject of childbearing potential who is unwilling to use acceptable
method(s) of effective contraception during protocol treatment and through 3 months
after the last dose of talimogene laherparepvec