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A Pilot Clinical Trial for Poorly Differentiated Thyroid Cancer - Correlation to Retinoid and Peroxisome-proliferator-activated Receptor (PPARy) Expression

Rexinoid Therapy for Poorly Differentiated Thyroid Cancer: A Pilot Clinical Trial and Correlation to Retinoid and PPARy Receptor Expression

Status
Completed
Phases
Early Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00718770
Enrollment
10
Registered
2008-07-21
Start date
2008-11-30
Completion date
2013-02-28
Last updated
2014-01-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Thyroid Cancer

Keywords

Not respond, Radioactive iodine, Therapy, Shows signs, Aggressive behavior

Brief summary

This study plans to learn more about a drug called bexarotene for the treatment of advanced thyroid cancer. Subjects are asked to be in this study because they have thyroid cancer that will not respond to radioactive iodine therapy and shows signs of aggressive behavior. Bexarotene has been FDA approved for the treatment of a type of skin cancer called cutaneous T-cell lymphoma, but has not been FDA approved for this use. Bexarotene is investigational in the treatment of thyroid cancer. The purpose of this research study is to test how well the study drug works in humans. The study doctors want to know if: 1. The subjects thyroid cancer gets smaller while you are taking the study drug. 2. The subjects thyroid cancer takes up radioactive iodine better after treatment with the study drug than before treatment.

Interventions

DRUGBexarotene

Bexarotene will be given by mouth once a day every day for 1 year. The dose to be used will be 300 mg/m2.

Sponsors

American Cancer Society, Inc.
CollaboratorOTHER
Eisai Inc.
CollaboratorINDUSTRY
University of Colorado, Denver
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Subject must have a histologically/cytologically confirmed diagnosis of papillary, follicular, or anaplastic thyroid cancer (any follicular cell derived thyroid cancer). * Subjects must have evidence of follicular cell-derived thyroid cancer progression. In patients with anatomically stable disease, PET positive lesions will also be eligible given the poor prognostic risk for PET positive thyroid cancer. * Subjects must not be eligible for surgical resection. * Subjects must have measurable disease as defined by Response Evaluation Criteria in Solid Tumors (RECIST) criteria. * Subjects must have laboratory values that fall within certain ranges. * Subjects must be age 18 years or older. * Subjects must provide written informed consent prior to any study procedures being performed. * Females of childbearing potential must have a negative pregnancy test prior to enrollment. * All eligible subjects must be willing to use adequate contraception throughout the duration of the study. * Subjects must be willing to submit a primary tumor tissue sample for immunohistochemical analysis. * Subjects have the option of providing one additional test tube of blood taken at baseline, 6 months and 1 year for banking of plasma for potential future studies (no genetic testing will be conducted). The current planned analysis is for the assessment of a potential peripheral marker for rexinoid responsive cancer - leukemia inhibitory factor (LIF)

Exclusion criteria

* Subjects with a known history of hyperlipidemia refractory to treatment. * Subjects with a known history of hypertriglyceridemia refractory to treatment. * Subjects with leukopenia below the reference range for the University of Colorado Hospital (UCH) laboratory. * Subjects, who are pregnant, have a desire to become pregnant or are breastfeeding. * Subjects who are unwilling or unable to comply with study medication administration, or study guidelines, as determined by the investigator. * Subjects with any prior history of malignancy with the exception of adequately treated basal cell skin cancer, in situ cervical cancer or other cancer for which the subject has been disease free for 3 years or more. * Subjects without radiographically assessable disease

Design outcomes

Primary

MeasureTime frameDescription
Change in Tumor Size1 yearTo assess the tumor response of recurrent or metastatic radioiodine resistant thyroid cancer to bexarotene therapy using standard RECIST criteria

Countries

United States

Participant flow

Recruitment details

Patients were recruited from a medical clinic from 01/15/2009 to 01/14/2010

Pre-assignment details

The patients must fit all inclusion criteria and have had a 4 week washout from any systemic or radiation therapy. As an open-label, single arm trial, there was no group assignment. Patients were excluded only if they did not meet inclusion or had exclusion criteria

Participants by arm

ArmCount
Bexarotene
Open label - all patients receive intervention Bexarotene : Bexarotene will be given by mouth once a day every day for 1 year. The dose to be used will be 300 mg/m2.
10
Total10

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event1
Overall StudyLack of Efficacy1

Baseline characteristics

CharacteristicBexarotene
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
5 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
Age, Continuous61.3 years
STANDARD_DEVIATION 8.5
Region of Enrollment
United States
10 participants
Sex: Female, Male
Female
8 Participants
Sex: Female, Male
Male
2 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
4 / 10
serious
Total, serious adverse events
0 / 10

Outcome results

Primary

Change in Tumor Size

To assess the tumor response of recurrent or metastatic radioiodine resistant thyroid cancer to bexarotene therapy using standard RECIST criteria

Time frame: 1 year

Population: Adults with radioiodine resistant metastatic follicular cell derived thyroid cancer

ArmMeasureValue (MEAN)Dispersion
BexaroteneChange in Tumor Size4.7 cmStandard Deviation 0.2

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026