ISRCTN ISRCTN88589234
DOI https://doi.org/10.1186/ISRCTN88589234
Clinical Trials Information System (CTIS) 2014-000991-25
Protocol serial number 17351
Sponsor Central Manchester University Hospitals NHS Trust (CMFT)
Funder National Institute for Health Research
Submission date
04/03/2015
Registration date
05/03/2015
Last edited
18/07/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Cancer
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

http://www.cancerresearchuk.org/about-cancer/find-a-clinical-trial/a-study-looking-at-metformin-before-surgery-for-womb-cancer

Contact information

Mr Richard Hutson
Public

Manchester Academic Health Science Centre
The Christie NHS Foundation Trust
Wilmslow Road
Manchester
M20 4BX
United Kingdom

Study information

Primary study designInterventional
Study designRandomised; Interventional; Design type: Treatment
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titlePresurgical metformin for women with endometrial cancer: a randomised placebo controlled trial
Study objectivesRandomised placebo-controlled trial looking to determine whether metformin inhibits cellular growth in endometrial cancer and severe atypical endometrial hyperplasia. It will also look at the biological effects of metformin in endometrial cancer and hyperplasia.
Ethics approval(s)NRES Committee North west-Haydock, 23/09/2014, ref: 14/NW/1236
Health condition(s) or problem(s) studiedTopic: Cancer; Subtopic: Gynaecological Cancer; Disease: Uterus/Endometrium
InterventionMetformin 850mg or placebo given once daily for 3 days and then twice a day until surgery
Intervention typeDrug
PhasePhase III
Drug / device / biological / vaccine name(s)Metformin
Primary outcome measure(s)

Tumour analysis - Ki-67; Timepoint(s): screening and pre operative

Key secondary outcome measure(s)

1. Physiological analyses - insulin resistance and obesity markers; Timepoint(s): Screening and pre operative
2. Tolerability of treatment; Timepoint(s): pre operative
3. Tumour analysis - Apoptotic markers; Timepoint(s): screening and pre operative
4. Tumour analysis - PI3K-Akt-mTOR signal transduction pathway molecules; Timepoint(s): screening and pre operative

Completion date31/10/2017

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexAll
Target sample size at registration90
Key inclusion criteria1. Biopsy-proven type 1 endometrial carcinoma or severe atypical endometrial hyperplasia
2. Scheduled surgical treatment by hysterectomy in 5-35 days’ time
3. Informed consent
4. Age 18 years or more
Key exclusion criteria1. Current treatment with metformin
2. Diabetic on hypoglycaemic medication
3. Inability to consent due to lack of capacity or language barriers
4. Unable to comply with treatment protocol
5. Type 2 endometrial cancer
6. Severe renal impairment (Serum creatinine >130umol/L or eGFR < 45ml/min/1.732m2)
7. Severe hepatic impairment (abnormal LFTs to be discussed on case by case basis with hepatologist)
8. Current alcohol abuse
9. Sensitivity/hypersensitivity to biguanides
10. Current treatment with other mTOR inhibitors or chemotherapeutic agents
Date of first enrolment06/02/2015
Date of final enrolment02/03/2017

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centres

Central Manchester Foundation Trust (lead site)
Manchester
M13 9WL
United Kingdom
Wrightington, Wigan and Leigh NHS Foundation Trust
Wigan, Lancashire
WN1 2NN
United Kingdom
Christie Hospital NHS Foundation Trust
Manchester
M20 4BX
United Kingdom
Pennine Acute Hospitals NHS Trust
Manchester
M8 5RB
United Kingdom
Tameside General Hospital
Ashton-under-Lyne
OL6 9RW
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareYes
IPD sharing plan summaryAvailable on request
IPD sharing planThe datasets generated during and/or analysed during the current study are/will be available upon request from Dr Lynne Webster (lynne.webster@cmft.nhs.uk).

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 15/04/2019 Yes No
HRA research summary 28/06/2023 No No
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes
Plain English results 18/07/2019 No Yes

Editorial Notes

18/07/2019: Link to results added to results (plain English).
29/01/2019: Publication reference added.
04/04/2017: The recruitment end date was changed from 31/10/2017 to 02/03/2017.