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Complex Atypical HyperplasiaPhase 2NCT02035787

Metformin With the Levonorgestrel-Releasing Intrauterine Device for the Treatment of Complex Atypical Hyperplasia (CAH) and Endometrial Cancer (EC) in Non-surgical Patients

A Phase 2 study testing Metformin in people with Complex Atypical Hyperplasia and Endometrial Cancer, run by UNC Lineberger Comprehensive Cancer Center at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Purpose: This is an open label, single-arm, single-center study of the addition of metformin to standard levonorgestrel-releasing intrauterine device (LR-IUD) treatment of 30 evaluable non-surgical patients with either complex atypical hyperplasia (CAH; n=15) or grade 1 endometrial adenocarcinoma (EC; n=15). Read more about this study

Who is it for?
Ages 18 years and older, women only
What is being tested?
Metformin
Could I receive a placebo?
No, everyone receives an active treatment
How many people
20 participants
Where
2 sitesUnited States
Study dates
27 Feb 2014to 12 Apr 2024
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subjects must meet all of the inclusion criteria to participate in this study:
  • Histologically confirmed CAH or grade 1 EC
  • Females age ≥ 18 years
  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0 - 4
  • Non-surgical candidates due to:
  • Desire for fertility preserving treatment
Show all 24Show fewer
  • Unacceptable surgical risk as defined by:
  • American Society of Anesthesiologists Physical Status (ASA) ≥ 4 and/or Perioperative Cardiac Risk > 5%(45) and/or Perioperative Respiratory Failure Risk > 5%(46)
  • AND
  • oIndependent medicine or cardiology pre-op consultation concluding 'high' surgical risk.
  • Planned treatment with the LR-IUD for CAH or grade 1 EC by primary physician
  • Women of childbearing potential (WOCBP) must have negative pregnancy test within 7 days of D1 of treatment
  • Understand study design, risks, and benefits and have signed informed consent
  • Exclusion Criteria Any patient meeting any of the exclusion criteria at baseline will be excluded from study participation.
  • Evidence of renal dysfunction (Cr > 1.5mg/dL or Cr clearance < 60 mL/m2) or liver dysfunction (AST/alanine aminotransferase (ALT) > 2x upper limit of normal (ULN))
  • Currently receiving progestin therapy (local, topical, or systemic)
  • Myometrial invasion >50% or evidence of nodal or metastatic disease on baseline MRI (MRI only to be done for EC patients) or tumor size > 2cm on MRI or pelvic ultrasound
  • Mixed histology including clear cell, serous, undifferentiated or sarcomatous elements
  • Prior or current use of metformin within the past 3 months
  • History of hypersensitivity to metformin or history of discontinuation secondary to attributed adverse effects
  • Chronic (daily use for > 1 month) use of cimetidine (significant increase in metformin concentration and risk of lactic acidosis)
  • Iodinated contrast agents used in prior 48 hours (significant increase in metformin concentration and risk of lactic acidosis)
  • Pregnant or lactating
  • Recent (< 4 weeks) active, documented, cervical infection

Who cannot join

None listed.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Lineberger Comprehensive Cancer Center

    Chapel Hill, North Carolina, 27599

  • TriHealth

    Cincinnati, Ohio, 45220

Other trials in United States

About this study

Purpose: This is an open label, single-arm, single-center study of the addition of metformin to standard levonorgestrel-releasing intrauterine device (LR-IUD) treatment of 30 evaluable non-surgical patients with either complex atypical hyperplasia (CAH; n=15) or grade 1 endometrial adenocarcinoma (EC; n=15).

Participants:Women, over the age of 18 years, with biopsy-proven CAH/EC who are not candidates for surgical management, and therefore are planned to start standard of care treatment with the LR-IUD

Procedures (methods): subjects will be given oral metformin therapy for 12 months, or until disease progression occurs (whichever occurs first), in addition to LR-IUD treatment. Serial endometrial biopsies will be performed, as per standard of care, to assess disease status.

Read the detailed description

STUDY OBJECTIVES Primary Objective

-To compare the rate of CR at 6 months in non-surgical grade 1 EC and CAH patients receiving metformin + LR-IUD to 50%

Secondary Objectives

  • to estimate the rate of CR at 6 months separately in grade 1 EC and CAH patients receiving metformin + LR-IUD
  • to estimate the rate of CR at 12 months in non-surgical grade 1 EC and CAH patients receiving metformin + LR-IUD
  • to document patient adherence to long-term (≥3 months) metformin administration
  • To describe safety of metformin + LR-IUD treatment

Exploratory Objectives

  • To explore changes in cellular proliferation as measured by the marker, Ki-67, from baseline to 6 months
  • To explore association between the level of expression of the metformin transporter proteins and key targets of the metformin/mammalian target of rapamycin (mTOR) signaling pathway and CR status at 6 months
  • To perform a comprehensive unbiased profiling of metabolites by analyzing the metabolic "fingerprints" of the biofluids (i.e. serum and urine) and "footprints" of the tumor tissue pre- and post- 6 months of metformin treatment
  • To explore association between metabolic factors and metformin concentration levels in tumor tissue/blood/urine and CR at 6 months

This is an open label, single-arm, single-center study of the addition of metformin to standard levonorgestrel-releasing intrauterine device (LR-IUD) treatment of 30 evaluable non-surgical patients with either complex atypical hyperplasia (CAH; n=15) or grade 1 endometrial adenocarcinoma (EC; n=15). Women, over the age of 18 years, with biopsy-proven CAH/EC who are not candidates for surgical management, and therefore are planned to start standard of care treatment with the LR-IUD, will be given oral metformin therapy for 12 months, or until disease progression occurs (whichever occurs first), in addition to LR-IUD treatment. Serial endometrial biopsies will be performed, as per standard of care, to assess disease status. We hypothesize that the addition of metformin to standard LR-IUD treatment of CAH and grade 1 EC will result in a complete response (CR) rate at 6 months that is significantly higher than 50% in a population of non-surgical candidates. In addition, we plan to estimate CR rate at 6 months in CAH and EC separately, and in the group as a whole at 12 months. We will also document the rate of patient adherence to long-term metformin therapy.

Being tested
Metformin
Keywords
metformin, endometrial cancer, Lineberger Comprehensive Cancer Center, complex atypical hyperplasia
Medical subject headings
Endometrial Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MetforminDrug

    Also called glucophage

    Metformin added to standard non-surgical treatment with levonorgestrel-Releasing Intrauterine Device.

Study groups in NCT02035787
Study groupRoleWhat they receive
MetforminExperimentalMetformin, 850 mg. twice daily.
Receives: Drug: Metformin

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Complete Response Rate - 6 Months

    Complete Response is subjects with complex atypical hyperplasia or Grade 1 endometrial adenocarcinoma percentage of individuals achieved complete disease regression as defined by no evidence of microscopic viable hyperplasia or carcinoma on endometrial biopsy.

    Measured: Up to 6 months

Secondary outcomes (4)
  1. Complete Response Rate by Group

    Complete Response is the percentage of individuals achieving complete disease regression as defined by no evidence of microscopic viable hyperplasia or carcinoma on endometrial biopsy in complex atypical hyperplasia and Grade 1 endometrial adenocarcinoma groups. The group are based on the initial treatment assignment and not on the treatment eventually received.

    Measured: Up to 6 months

  2. Percent Complete Response Rate-12 Months

    Complete Response is the percentage of participants achieving complete disease regression as defined by no evidence of microscopic viable hyperplasia or carcinoma on endometrial biopsy.

    Measured: Up to 12 months

  3. Adherence of Treatment

    Patients adhered to at least 80% of the scheduled doses throughout the prescribed treatment period. Subjects who achieved a biopsy-proven complete response stopped the treatment early but were still considered adherent to the treatment.

    Measured: 12 months

  4. Treatment Attributed Adverse Events

    All treatment-attributed adverse events (definite, possible, and probable) with grade information are reported based on The NCI Common Terminology Criteria for Adverse Events (CTCAE) version 4.0.

    CTCAE is a descriptive terminology that can be utilized for Adverse Event (AE) reporting. A grading (severity) scale is provided for each AE term. Grade 1 Mild; asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated. Grade 2 Moderate; minimal, local, or noninvasive intervention indicated; limiting age-appropriate instrumental Activities of Daily Living (ADL). Grade 3 Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self-care ADL. Grade 4 Life-threatening consequences; urgent intervention indicated. Grade 5 Death related to AE.

    Measured: Up to 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Jan 2014 (estimated)
  2. Study start27 Feb 2014
  3. Primary completion12 Oct 2023
  4. Study completion12 Apr 2024

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02035787
Sponsor's protocol ID
LCCC1326
Other IDs
12-0886
Status last verified
Nov 2024
First submitted
10 Jan 2014
Last updated
18 Dec 2024
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Metformin in people with Complex Atypical Hyperplasia and Endometrial Cancer, run by UNC Lineberger Comprehensive Cancer Center at 2 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 24 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 18 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 18 Dec 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Complete Response Rate - 6 Months (time frame: Up to 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Dec 2024.

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