Trial Outcomes & Findings for A Comparison of FLT to FDG PET/CT in the Early Assessment of Chemotherapy Response in Stage IB-IIIA Resectable NSCLC (NCT NCT00963807)

NCT ID: NCT00963807

Last Updated: 2017-03-17

Results Overview

Will be calculated by subtracting the uptake of the scan after the first cycle of chemotherapy from the uptake of the pre-treatment scan.. Change in FLT uptake will be measured using the maximum standard uptake value adjusted for lean body mass (SULmax), which is a measure of how much radiotracer (in this case FLT) is being consumed by cells.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

26 participants

Primary outcome timeframe

Baseline and 3 weeks

Results posted on

2017-03-17

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Overall Study
STARTED
26
Overall Study
Completed Baseline Imaging
11
Overall Study
Completed Post-Cycle 1 Imaging
9
Overall Study
Completed Post-Cycle 2 FLT Imaging
9
Overall Study
Completed Post-Cycle 2 FDG Imaging
8
Overall Study
COMPLETED
8
Overall Study
NOT COMPLETED
18

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Overall Study
Physician Decision
2
Overall Study
Reaction to study chemotherapy regimen
1
Overall Study
Disease progression
15

Baseline Characteristics

A Comparison of FLT to FDG PET/CT in the Early Assessment of Chemotherapy Response in Stage IB-IIIA Resectable NSCLC

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=11 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Age, Continuous
56.4 years
n=93 Participants
Sex: Female, Male
Female
4 Participants
n=93 Participants
Sex: Female, Male
Male
7 Participants
n=93 Participants
Region of Enrollment
United States
11 participants
n=93 Participants

PRIMARY outcome

Timeframe: Baseline and 3 weeks

Will be calculated by subtracting the uptake of the scan after the first cycle of chemotherapy from the uptake of the pre-treatment scan.. Change in FLT uptake will be measured using the maximum standard uptake value adjusted for lean body mass (SULmax), which is a measure of how much radiotracer (in this case FLT) is being consumed by cells.

Outcome measures

Outcome measures
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=9 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Non-Responders
RECIST non-responders based on CT measurements performed after 2 cycles of neoadjuvant therapy
Change in 18F-Fluorothymidine (FLT) Uptake
-0.4 SULmax
Standard Deviation 1.9

PRIMARY outcome

Timeframe: Baseline and 6 weeks

Will be calculated by subtracting the uptake of the scan after the second cycle of chemotherapy from the uptake of the pre-treatment scan.

Outcome measures

Outcome measures
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=9 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Non-Responders
RECIST non-responders based on CT measurements performed after 2 cycles of neoadjuvant therapy
Change in FLT Uptake
0.2 SULmax
Standard Deviation 3.8

PRIMARY outcome

Timeframe: Baseline and 6 weeks

Unadjusted analysis will be performed utilizing students t-tests. If the data appears non-normal, the Wilcox on rank-sum test will be used rather than the t-test. Adjusted analysis will be performed utilizing logistic regression.

Outcome measures

Outcome measures
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=3 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Non-Responders
n=6 Participants
RECIST non-responders based on CT measurements performed after 2 cycles of neoadjuvant therapy
Change in FLT Uptake in Responders and Non-responders
-1.8 SULmax
Standard Deviation 2.1
1.2 SULmax
Standard Deviation 4.1

SECONDARY outcome

Timeframe: Baseline and 6 weeks

Will be calculated by subtracting the baseline FDG uptake from the post-cycle 2 uptake (as measured by SULmax).

Outcome measures

Outcome measures
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=8 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Non-Responders
RECIST non-responders based on CT measurements performed after 2 cycles of neoadjuvant therapy
Change in 18F-Fluorodeoxyglucose (FDG) Uptake
-3.8 SULmax
Standard Deviation 3.9

SECONDARY outcome

Timeframe: Up to 6 weeks

RECIST version 1.1 was utilized for this outcome measure. A detailed description of RECIST 1.1 can be found here: Nishino M, Jackman DM, Hatabu H, Yeap BY, Cioffredi LA, Yap JT, et al. New Response Evaluation Criteria in Solid Tumors (RECIST) guidelines for advanced non-small cell lung cancer: comparison with original RECIST and impact on assessment of tumor response to targeted therapy. AJR Am J Roentgenol 2010;195:W221-8.

Outcome measures

Outcome measures
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=9 Participants
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Non-Responders
RECIST non-responders based on CT measurements performed after 2 cycles of neoadjuvant therapy
Overall Response Rate Reported as a Proportion of the Total Number of Patients Who Received at Least One Cycle of Therapy Assessed Using Response Evaluation Criteria in Solid Tumors (RECIST)
33 percentage of participants

Adverse Events

Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)

Serious events: 4 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Treatment (Docetaxel, Cisplatin, Dexamethasone, and Surgery)
n=9 participants at risk
Patients receive docetaxel IV and cisplatin IV on day 1 and dexamethasone PO BID. Treatment repeats every 3 weeks for 2 courses in the absence of disease progression or unacceptable toxicity. Patients undergo FDG PET/CT, FLT PET/CT, and thoracic CT at baseline and the end of courses 1 and 2 and then undergo surgery. Cisplatin: Given IV Computed Tomography: Undergo FDG PET/CT, FLT PET/CT and thoracic CT Dexamethasone: Given PO Docetaxel: Given IV Fludeoxyglucose F-18: Undergo FDG PET/CT Fluorothymidine F-18: Undergo FLT PET/CT Laboratory Biomarker Analysis: Correlative studies Positron Emission Tomography: Undergo FDG PET/CT and FLT PET/CT Therapeutic Conventional Surgery: Undergo surgery
Respiratory, thoracic and mediastinal disorders
Death
11.1%
1/9
Immune system disorders
Neutropenic Fever
11.1%
1/9
Respiratory, thoracic and mediastinal disorders
Dyspnea
11.1%
1/9 • Number of events 3

Other adverse events

Adverse event data not reported

Additional Information

John P Crandall

Washington University in St. Louis

Phone: (314) 747 - 5561

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60