Efficacy of XL184 (Cabozantinib) in Advanced Medullary Thyroid Cancer (EXAM)

The recruitment status of this study is unknown because the information has not been verified recently.
Verified May 2012 by Exelixis.
Recruitment status was  Active, not recruiting
Information provided by (Responsible Party):
ClinicalTrials.gov Identifier:
First received: June 23, 2008
Last updated: May 24, 2012
Last verified: May 2012

The purpose of this research study is to evaluate the progression-free survival (PFS) with XL184 as compared with placebo (an inactive substance) in subjects with unresectable, locally advanced, or metastatic medullary thyroid cancer (MTC). Subjects will be randomized to receive XL184 or placebo in a 2:1 ratio. XL184 is an investigational drug that inhibits VEGFR2, MET and RET, kinases implicated in tumor formation, growth and migration.

The Clinical Steering Committee for this study, comprised of study doctors who specialize in medullary thyroid cancer, has provided guidance regarding the design of the study. The committee includes: Douglas Ball, MD, Barry Nelkin, PhD, Martin Schlumberger, MD and Steven Sherman, MD.

Condition Intervention Phase
Thyroid Cancer
Drug: XL184
Drug: Placebo
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: An International, Randomized, Double-Blinded, Phase 3 Efficacy Study of XL184 Versus Placebo in Subjects With Unresectable, Locally Advanced, or Metastatic Medullary Thyroid Cancer

Resource links provided by NLM:

Further study details as provided by Exelixis:

Primary Outcome Measures:
  • To evaluate progression-free survival (PFS) with XL184 as compared with placebo in subjects with unresectable, locally advanced, or metastatic medullary thyroid cancer (MTC) [ Time Frame: Assessed at periodic visits ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • To evaluate overall survival (OS) with XL184 as compared with placebo [ Time Frame: Assessed as applicable ] [ Designated as safety issue: No ]
  • To evaluate the objective response rate (ORR) and duration of response in subjects with measurable disease with XL184 as compared with placebo [ Time Frame: Assessed at periodic visits ] [ Designated as safety issue: No ]
  • To evaluate the safety and tolerability of XL184 [ Time Frame: Assessed at periodic visits ] [ Designated as safety issue: Yes ]
  • To assess the pharmacokinetics and pharmacodynamic effects of XL184 [ Time Frame: Assessed at periodic visits ] [ Designated as safety issue: No ]

Estimated Enrollment: 315
Study Start Date: June 2008
Estimated Study Completion Date: March 2013
Primary Completion Date: October 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1 Drug: XL184
Gelatin capsules supplied in 25-mg and 100-mg strengths administered orally daily
Placebo Comparator: 2 Drug: Placebo
Gelatin capsules color and size-matched to XL184 capsules administered orally daily


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • The subject has a histologically confirmed diagnosis of MTC that is cannot be removed by surgery, is locally advanced, or has spread in the body.
  • The subject is at least 18 years old.
  • The subject has an ECOG (Eastern Cooperative Oncology Group) performance status ≤ 2.
  • The subject has documented worsening of disease (progressive disease) at screening compared with a previous CT scan or MRI image done within 14 months of screening.
  • The subject has recovered from clinically significant adverse events (side effects) due to any other medications that were administered prior to randomization.
  • The subject has adequate organ and bone marrow function.
  • Subjects who are sexually active (male and female) must agree to use medically accepted methods of contraception during the course of the study and for 3 months following discontinuation of study treatments.
  • The subject has no other diagnosis of cancer (unless non-melanoma skin cancer, an early form of cervical cancer, or another cancer diagnosed ≥ 2 years previously) and currently has no evidence of malignancy (unless non-melanoma skin cancer or an early form of cervical cancer).
  • Female subjects of childbearing potential must have a negative pregnancy test at screening.

Exclusion Criteria:

  • The subject has received prior treatment for their cancer within 4 weeks of randomization (6 weeks for nitrosoureas or mitomycin C).
  • The subject has received radiation to ≥ 25 % of bone marrow.
  • The subject has received treatment with other investigational agents (unapproved therapies) within 4 weeks of randomization.
  • The subject has received treatment with XL184.
  • The subject has brain metastases or spinal cord compression, unless completed radiation therapy ≥ 4 weeks prior to randomization and stable without steroid and without anti-convulsant treatment for ≥ 10 days.
  • The subject has a history of clinically significant episodes of vomiting blood or a recent history of vomiting > 2.5 mL (about 1/2 teaspoon) of red blood
  • The subject has serious illness other than cancer
  • The subject is pregnant or breastfeeding.
  • The subject has an active infection requiring ongoing treatment.
  • The subject is incapable of understanding and complying with the protocol or unable to provide informed consent.
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Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00704730

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United States, Alabama
University of Alabama at Birmingham, Comprehensive Cancer Center
Birmingham, Alabama, United States, 35294
United States, Arizona
TGEN Clinical Research Service at Scottsdale Healthcare
Scottsdale, Arizona, United States, 85258
United States, Arkansas
University of Arkansas for Medical Sciences
Little Rock, Arkansas, United States, 72205
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Burbank, California, United States, 91505
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Stanford, California, United States, 94305
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University of Colorado Cancer Center
Aurora, Colorado, United States, 80045
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Yale University, School of Medicine
New Haven, Connecticut, United States, 06520
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Washington, District of Columbia, United States, 20010
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H. Lee Moffet Cancer Center and Research Institute
Tampa, Florida, United States, 33612
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Chicago, Illinois, United States, 60637
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Indianapolis, Indiana, United States, 46202
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Iowa City, Iowa, United States, 52242
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Kansas City, Kansas, United States, 66160
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Sponsors and Collaborators
  More Information

No publications provided by Exelixis

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Exelixis
ClinicalTrials.gov Identifier: NCT00704730     History of Changes
Other Study ID Numbers: XL184-301
Study First Received: June 23, 2008
Last Updated: May 24, 2012
Health Authority: United States: Food and Drug Administration
France: Afssaps - Agence française de sécurité sanitaire des produits de santé (Saint-Denis)
Belgium: Federal Agency for Medicinal Products and Health Products
Denmark: Danish Medicines Agency
Netherlands: Medicines Evaluation Board (MEB)
Sweden: Medical Products Agency
United Kingdom: Medicines and Healthcare Products Regulatory Agency
Spain: Spanish Agency of Medicines
Canada: Health Canada
Israel: Ministry of Health
Germany: Federal Institute for Drugs and Medical Devices
Poland: Ministry of Health
Austria: Agency for Health and Food Safety
Italy: The Italian Medicines Agency
Greece: National Organization of Medicines
India: Drugs Controller General of India
Portugal: National Pharmacy and Medicines Institute
South Korea: Korea Food and Drug Administration (KFDA)
Russia: Ministry of Health of the Russian Federation
Chile: Comisión Nacional de Investigación Científica y Tecnológica
Peru: General Directorate of Pharmaceuticals, Devices, and Drugs
Brazil: Ministry of Health
Switzerland: Swissmedic
Saudi Arabia: Ethics Committee

Keywords provided by Exelixis:
Medullary Thyroid Cancer

Additional relevant MeSH terms:
Thyroid Neoplasms
Thyroid Diseases
Endocrine Gland Neoplasms
Neoplasms by Site
Head and Neck Neoplasms
Endocrine System Diseases

ClinicalTrials.gov processed this record on August 21, 2014