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Closed (no longer recruiting)Last updated: 31 January 2024

EXELIXIS: This phase III trial is trying to determine the effect of an oral chemotherapy (Cabozantinib) in patients with Differentiated Thyroid Cancer who have progressed on prior targeted treatmentA Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Cabozantinib (XL184) in Subjects With Radioiodine-Refractory Differentiated Thyroid Cancer Who Have Progressed After Prior VEGFR-Targeted Therapy

Clinical summary

Summary

Eligible patients will be randomised in a 2:1 ratio to receive either cabozantinib or placebo. All patients will receive oral tablets containing 60-mg or 20-mg cabozantinib or placebo equivalent once daily.

Conditions

This trial is treating patients with differentiated thyroid cancer.

Cancer

Head and Neck Cancers Head and Neck

Age

People16+

Phase

III

Trial Acronym

EXELIXIS

More information

Trial Identifiers

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Trial sponsor

Exelixis

Scientific Title

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Cabozantinib (XL184) in Subjects With Radioiodine-Refractory Differentiated Thyroid Cancer Who Have Progressed After Prior VEGFR-Targeted Therapy

Eligibility

Inclusion

  1. Histologically or cytologically confirmed diagnosis of Differentiated Thyroid Cancer (DTC)
  2. Measurable disease according to Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
  3. Previously treated with or deemed ineligible for treatment with Iodine- 131 for differentiated thyroid cancer (DTC)
  4. Previously treated with at least one of the following vascular endothelial growth factor receptor (VEGFR)-targeting tyrosine kinase inhibitor (TKI) agents for DTC: lenvatinib or sorafenib. Note: Up to two prior VEGFR-targeting TKI agents are allowed
  5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1

Exclusion

  1. Prior treatment with any of the following: Cabozantinib; Selective small-molecule v-raf murine sarcoma viral oncogene homolog B1 (BRAF) kinase inhibitor; More than 2 VEGFR-targeting TKI agents; More than 1 immune checkpoint inhibitor therapy; 1 systemic chemotherapy regimen (given as single agent or in combination with another chemotherapy agent)
  2. Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 2 weeks or 5 half-lives of the agent, whichever is longer, before randomization
  3. Receipt of any type of anticancer antibody (including investigational antibody) or systemic chemotherapy within 4 weeks before randomization
  4. Receipt of radiation therapy for bone metastasis within 2 weeks or any other radiation therapy within 4 weeks before randomization.
  5. Known brain metastases or cranial epidural disease unless adequately treated

Inclusion

  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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