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Metformin as a Chemoprevention Agent in Non-small Cell Lung Cancer

A Pilot Study of Metformin as a Chemoprevention Agent in Non-small Cell Lung Cancer

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01717482
Enrollment
6
Registered
2012-10-30
Start date
2012-10-31
Completion date
2019-05-22
Last updated
2020-03-10

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

Conditions

Carcinoma, Non-Small-Cell Lung, Lung Neoplasms

Keywords

Bronchoscopy, Metformin

Brief summary

The purpose of this study is to learn whether it is better to receive the drug Metformin with standard of care for lung cancer or just standard of care.

Detailed description

Participants will need to be scheduled to undergo a surgical resection of their lung cancer at the Mayo Clinic in Rochester, Minnesota. They will be asked to provide a blood sample prior to their surgery. Samples of tumor tissue and normal lung tissue will be taken from the samples removed during your lung surgery. The tissue will be used to evaluate DNA. A skin biopsy at the edge of the incision that has already been made will be done during your surgery. We will take the skin and grow skin fibroblasts. Then we will reprogram the skin fibroblasts into induced pluripotent cells. You will be randomized into one of the study groups to either take Metformin for 6 months with your standard of care follow up or to receive standard of care follow up.

Interventions

DRUGMetformin
OTHERPlacebo Comparator

Standard of Care Observation

Sponsors

Alliance for Clinical Trials in Oncology
CollaboratorOTHER
Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

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

Inclusion criteria

* Suspected or biopsy proven Stage IA-IIIA lung squamous cell carcinoma (SCC) (must be proven SCC at the time of surgery) * Medically fit for surgical resection (based on surgeon assessment) * Current or prior smoker * Age \> 18 years old * Both Male and Female * Willing and able to consent to study, undergo study interventions, and take study drug * Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, 2 * Subject must start Metformin within 90 days of surgery.

Exclusion criteria

* Currently taking metformin or other diabetic drugs * Current or previous congestive heart failure, renal failure or liver failure * Creatinine in Women of 1.4 or greater and Creatinine in Men of 1.5 or greater * Existing untreated or prior cancer \<5 years from diagnosis * Received neo-adjuvant platinum-based chemotherapy or targeted therapy * Receiving adjuvant platinum-based chemotherapy or targeted therapy after surgical resection

Design outcomes

Primary

MeasureTime frameDescription
Evaluate Feasibility of Patient Randomization, Accrual, and Tissue Collection for Study Conduction2 yearsTo evaluate the feasibility of patient randomization, accrual, and tissue collection in a pilot study of metformin versus observation following resection of stage IA-IIIA lung squamous cell cancer for patients by assessing the reasons patients decline randomization, tracking accrual numbers, and tracking collected tissue and reasons why tissue was not collected.
Number of Participants With 2-year Recurrence Free Survival4 yearsTo compare the 2-year recurrence free survival (RFS) rate between metformin and observation.

Secondary

MeasureTime frameDescription
Measure Metformin Sensitivity in Induced Pluripotent Stem Cells (iPS)4 yearsTo develop the metformin sensitivity index based on iPS cell line metformin sensitivity measurements from the first 20 patients randomized to the metformin arm. We will then To apply the metformin sensitivity index on the remaining 25 patients randomized to metformin and the 45 observation patients (70 patients total) to compare the 2-year RFS rate between metformin-sensitive and metformin-not-sensitive patients.
Number of Participants With Adverse Events as a Measure of Safety4 yearsTo compare participant adverse events between metformin and observation arms using CTCAE version 4.

Countries

United States

Participant flow

Participants by arm

ArmCount
Metformin
Metformin 850mg twice per day Metformin
4
Observation
Standard of Care Observation Placebo Comparator: Standard of Care Observation
2
Total6

Baseline characteristics

CharacteristicMetforminObservationTotal
Age, Continuous63.25 years
STANDARD_DEVIATION 6.87
62.5 years
STANDARD_DEVIATION 7.5
63 years
STANDARD_DEVIATION 7.09
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants2 Participants6 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Region of Enrollment
United States
4 participants2 participants6 participants
Sex: Female, Male
Female
2 Participants0 Participants2 Participants
Sex: Female, Male
Male
2 Participants2 Participants4 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 40 / 2
other
Total, other adverse events
1 / 40 / 2
serious
Total, serious adverse events
0 / 40 / 2

Outcome results

Primary

Evaluate Feasibility of Patient Randomization, Accrual, and Tissue Collection for Study Conduction

To evaluate the feasibility of patient randomization, accrual, and tissue collection in a pilot study of metformin versus observation following resection of stage IA-IIIA lung squamous cell cancer for patients by assessing the reasons patients decline randomization, tracking accrual numbers, and tracking collected tissue and reasons why tissue was not collected.

Time frame: 2 years

Population: Study terminated due to poor accrual and funding ended

Primary

Number of Participants With 2-year Recurrence Free Survival

To compare the 2-year recurrence free survival (RFS) rate between metformin and observation.

Time frame: 4 years

Population: Study terminated due to poor accrual and funding ended

Secondary

Measure Metformin Sensitivity in Induced Pluripotent Stem Cells (iPS)

To develop the metformin sensitivity index based on iPS cell line metformin sensitivity measurements from the first 20 patients randomized to the metformin arm. We will then To apply the metformin sensitivity index on the remaining 25 patients randomized to metformin and the 45 observation patients (70 patients total) to compare the 2-year RFS rate between metformin-sensitive and metformin-not-sensitive patients.

Time frame: 4 years

Population: Study terminated due to poor accrual and funding ended

Secondary

Number of Participants With Adverse Events as a Measure of Safety

To compare participant adverse events between metformin and observation arms using CTCAE version 4.

Time frame: 4 years

Population: Study terminated due to poor accrual and funding ended

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