- Personally signed and dated informed consent document.
- Willing and able to comply with scheduled visits, treatment plan, laboratory tests,
and other study procedures.
- Male or female, ≥18 years of age
- Weight ≥40 kg at Screening
- Cancer diagnosed as having metastasized to bone or multiple myeloma.
- Imaging confirmation of bone metastasis at Screening or within 120 days prior to the
- Expected to require daily opioid medication throughout the course of the study.
- Willing to not use prohibited medications (including NSAIDs) throughout the duration
of the study.
- Average Pain Score ≥5 at Screening for the index bone metastasis cancer pain site.
- Patient's Global Assessment of Cancer Pain of "fair", "poor" or "very poor" at
- Eastern Cooperative Oncology Group (ECOG) Performance Status Score of 0, 1, or 2 at
- Adequate bone marrow, renal and liver function at Screening.
- International Normalized Ratio (INR) or prothrombin time (PT) unless being treated with anticoagulant medication.
- Females must either be not of childbearing potential or, if of childbearing potential
and at risk for pregnancy, must be willing to use at least one highly effective method
of contraception throughout the study and for 112 days (16 weeks) after the last dose
of assigned subcutaneous study medication.
- Pain related to an oncologic emergency.
- Brain metastasis or leptomeningeal metastasis.
- Presence of hypercalcemia at Screening.
- Pain primarily classified as not predominantly related to a bone metastasis.
- Systemic treatment for the primary malignancy or bone metastasis started within 30
days of the Baseline Assessment Period.
- Chemotherapies associated with peripheral neuropathy (ie, paclitaxel, docetaxel,
oxaliplatin, cisplatin, vincristine, thalidomide or bortezomib) are prohibited during
the study from 30 days prior to the first day of the Baseline Assessment Period to
- Receipt of radiopharmaceutical treatment or radiotherapy for treatment of bone
metastasis within 30 days of the Baseline Assessment Period.
- Concurrent adjuvant analgesics unless started at least 30 days prior to the start of
the Baseline Assessment Period and maintained at a stable dose.
- Diagnosis of osteoarthritis of the knee or hip or findings consistent with
osteoarthritis in the shoulder.
- History of significant trauma or surgery to a major joint within one year prior to
- History of osteonecrosis or osteoporotic fracture.
- X-ray evidence at Screening of: 1) rapidly progressive osteoarthritis, 2) atrophic or
hypotrophic osteoarthritis, 3) subchondral insufficiency fracture, 4) spontaneous
osteonecrosis of the knee (SPONK), 5) osteonecrosis, or 6) pathologic fracture.
- Signs and symptoms of clinically significant cardiac disease.
- Evidence of orthostatic hypotension at Screening or at Baseline prior to
- Diagnosis of a transient ischemic attack in the 6 months prior to Screening or
diagnosis of stroke with significant residual deficits.
- History, diagnosis, or signs and symptoms of clinically significant neurological
- Total impact score of >7 on the Survey of Autonomic Symptoms (SAS) at Screening.
- Past history of carpal tunnel syndrome (CTS) with signs or symptoms of CTS in the one
year prior to Screening.
- History of significant alcohol, analgesic, or narcotic substance abuse within the six
months prior to Screening.
- Planned surgical procedure during the duration of the study.
- Considered unfit for surgery or not willing to undergo joint replacement surgery if
- Known hypersensitivity to opioids or an underlying medical condition contraindicating
- History of allergic or anaphylactic reaction to a therapeutic or diagnostic monoclonal
antibody or IgG-fusion protein.
- Previous exposure to exogenous nerve growth factor or to an anti-nerve growth factor
- Presence of drugs of abuse, prescription medications without a valid prescription or
other illegal drugs at Screening.
- Positive Hepatitis B, Hepatitis C, or Human Immunodeficiency Virus (HIV) tests at
Screening indicative of current infection.
- Investigational site staff members and their family members, or Pfizer employees
directly involved in the conduct of the trial.
- Participation in other studies involving investigational drug(s) within 30 days (or 90
days for investigational biologics) before Baseline Assessment Period and/or during
- Pregnant female subjects; breastfeeding female subjects; female subjects of
childbearing potential who are unwilling or unable to use one (1) highly effective
method of contraception throughout the study and for 112 days after last dose of
- Other severe acute or chronic medical or psychiatric condition or laboratory