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A Phase I/II Trial of Cabozantinib (XL184) in Patients With Relapsed or Refractory Myeloma

Phase 1/Phase 2
18 Years
Open (Enrolling)
Relapsed or Refractory Multiple Myeloma

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Trial Information

A Phase I/II Trial of Cabozantinib (XL184) in Patients With Relapsed or Refractory Myeloma

Inclusion Criteria:

- Histologic diagnosis of multiple myeloma that has relapsed or is resistant after
therapy with at least one immunomodulatory drug (i.e. lenalidomide, thalidomide) and
at least one proteasome inhibitor.

- Age ≥ 18 years old.

- Eastern Cooperative Oncology Group (ECOG) performance status of 0-2.

The subject has organ and marrow function as follows:

- Absolute neutrophil count (ANC) ≥ 1500/mm3 (G-CSF is allowed).

- Platelets ≥ 50,000/mm3 or 30,000 (if marrow infiltrated with myeloma; no platelet
transfusions are allowed in the 7 days prior to screening)

- Hemoglobin ≥ 8 g/dL (with transfusions). Bilirubin ≤ 1.5 × the upper limit of normal

- Serum creatinine ≤ 1.5 × ULN or calculated creatinine clearance ≥ 50 mL/min.

- Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 × ULN if no
liver involvement, or ≤ 5 × ULN with liver involvement.

- Lipase < 1.5 x the upper limit of normal.

- Patient must be able/willing to undergo bone marrow aspirate and biopsy.

- Subjects with brain metastasis or CNS disease are considered eligible if the subject
has not received radiation therapy for brain metastasis within 2 weeks of enrollment
and has been on a stable dose of steroids for 2 or more weeks.

- Sexually active subjects (men and women) must agree to use medically accepted barrier
methods of contraception (e.g. male condom, female condom, or diaphragm with
spermicidal gel) during the course of the study and for 4 months after the last dose
of study drug(s), even if oral contraceptives are also used. All subjects of
reproductive potential must agree to use both a barrier method and a second method of
birth control.

- Women of childbearing potential must have a negative pregnancy test at screening.
Women of childbearing potential include women who have experienced menarche and who
have not undergone successful surgical sterilization (hysterectomy, bilateral tubal
ligation, or bilateral oophorectomy) or are not postmenopausal. Postmenopause is
defined as:

- Amenorrhea ≥ 12 consecutive months without another cause OR

- A documented serum follicle-stimulating hormone (FSH) level > 35 mIU/mL (for women
with irregular menstrual periods and on hormone replacement therapy)

Exclusion Criteria:

- The subject has received cytotoxic chemotherapy (including investigational cytotoxic
chemotherapy) or biologic agents (e.g., cytokines or antibodies) within 2 weeks, or
nitrosoureas/ mitomycin C within 6 weeks before the first dose of study treatment.

- The subject has received radiation therapy within 14 days of the first dose of study

- The subject has received prior treatment with a small molecule kinase inhibitor or a
hormonal therapy (including investigational kinase inhibitors or hormones) within 14
days or five half-lives of the compound or active metabolites, whichever is longer,
before the first dose of study treatment.

- The subject has not recovered from toxicity due to all prior therapies (i.e., return
to pretherapy baseline or to Grade 0 or 1).

- The subject has prothrombin time (PT)/ International Normalized Ratio (INR) or
partial thromboplastin time (PTT) test results at screening that are ≥1.3 ×ULN.

- The subject has uncontrolled significant intercurrent illness including, but not
limited to, ongoing or active infection, uncontrolled congestive heart failure,
unstable angina pectoris within 6 months, stroke within 6 months, myocardial
infarction within 6 months, or uncontrolled cardiac arrhythmias, uncontrolled

- Corrected QTc of greater than 500msec.

- The subject is pregnant or breastfeeding.

- The subject has a previously identified allergy or hypersensitivity to components of
the study treatment formulation.

- The subject requires concomitant treatment, in therapeutic doses, with anticoagulants
such as warfarin or warfarin-related agents, heparin, thrombin or Factor Xa
inhibitors, or antiplatelet agents (e.g., clopidogrel). Low dose aspirin (≤ 81
mg/day), low-dose warfarin (≤ 1 mg/day), and prophylactic low molecular weight
heparin (LMWH) are permitted.

- The subject has experienced any of the following within 6 months before the first
dose of study treatment:

1. clinically-significant hematemesis or gastrointestinal bleeding

2. hemoptysis of ≥ 0.5 teaspoon (2.5ml) of red blood

3. any other signs indicative of pulmonary hemorrhage The subject has radiographic
evidence of cavitating pulmonary lesion(s)

- The subject has tumor in contact with, invading or encasing major blood vessels

- Gastrointestinal disorders particularly those associated with a high risk of
perforation or fistula formation including:

- Any of the following at the time of screening i) intra-abdominal tumor/metastases
invading GI mucosa ii) active peptic ulcer disease, iii) inflammatory bowel disease
(including ulcerative colitis and Crohn's disease), diverticulitis, cholecystitis,
symptomatic cholangitis or appendicitis iv) malabsorption syndrome

Any of the following within 6 months before the first dose of study treatment:

i) history of abdominal fistula ii) gastrointestinal perforation iii) bowel obstruction or
gastric outlet obstruction iv) intra-abdominal abscess. Note: Complete resolution of an
intra-abdominal abscess must be confirmed prior to initiating treatment with cabozantinib
even if the abscess occurred more that 6 months ago.

- History of major surgery as follows:

1. Major surgery within 3 months of the first dose of cabozantinib. Major surgery
within 6 months of the first dose of cabozantinib if there are complications
related to wound healing.

2. Minor surgery within 1 month of the first dose of cabozantinib if there were no
wound healing complications or within 3 months of the first dose of cabozantinib
if there were wound complications (particularly when associated with delayed or
incomplete healing) within 28 days. Note: Complete healing following abdominal
surgery must be confirmed prior to initiating treatment with cabozantinib even
if surgery occurred more that 28 days ago.

- Other disorders associated with a high risk of fistula formation including PEG tube
placement within 3 months before the first dose of study therapy or concurrent
evidence of intraluminal tumor involving the trachea and esophagus.

- Concurrent malignancy except for treated non-melanoma skin cancer and cervical
carcinoma in situ.

- The subject requires chronic concomitant treatment of strong CYP3A4 inducers (e.g.,
dexamethasone, phenytoin, carbamazepine, rifampin, rifabutin, rifapentine,
phenobarbital, and St. John's Wort).

Type of Study:


Study Design:

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

Determine the maximally tolerated dose

Outcome Description:

This trial will be a standard 3 by 3 dose escalation design, where three daily dose levels (20mg, 40mg, and 60mg) will be investigated.

Outcome Time Frame:

1 year

Safety Issue:


Principal Investigator

Sergio Giralt, MD

Investigator Role:

Principal Investigator

Investigator Affiliation:

Memorial Sloan-Kettering Cancer Center


United States: Food and Drug Administration

Study ID:




Start Date:

May 2013

Completion Date:

May 2016

Related Keywords:

  • Relapsed or Refractory Multiple Myeloma
  • Cabozantinib (XL184)
  • 12-240
  • Multiple Myeloma
  • Neoplasms, Plasma Cell



Memorial Sloan Kettering Cancer CenterNew York, New York  10021
Memorial Sloan-Kettering Cancer Center at Mercy Medical CenterRockville Centre, New York  11570
Memorial Sloan-Kettering Cancer Center at Phelps Memorial Hospital CenterSleepy Hollow, New York  10591
Memoral Sloan Kettering Cancer CenterBasking Ridge, New Jersey  
Memorial Sloan-Kettering Cancer Center @ SuffolkCommack, New York  11725