Time-Restricted Eating in Menopause and HOrmone-sensitive Breast Cancers (TREMHO)

NCT ID: NCT06855784

Last Updated: 2026-01-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

84 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-04-30

Study Completion Date

2027-03-01

Brief Summary

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This study is aimed at women currently going through menopause, either as part of the natural process (physiological menopause), or following hormonal treatment for breast cancer. There are several ways of slowing the weight gain frequently encountered in this situation, reducing the intensity of menopause-related symptoms and improving quality of life in this context.

In this trial, the investigators examine the efficacy and possible adverse effects of intermittent fasting compared with a control intervention. Participation lasts 14 weeks, with an optional 12-month follow-up. Study participants are randomly assigned to either the intervention group or the control group. In the intervention group, study participants fast for 16 hours per day and eat over a period of 8 hours (intermittent fasting often called time-restricted eating \[TRE\] 16h/8h). In the control group, the usual eating pattern is continued for 12 weeks.

The main objective of the study is to evaluate the efficacy of TRE in terms of weight and fat loss, improvement in metabolic profile, menopausal symptoms and bone health. In addition, the study team closely monitors any adverse effects.

Detailed Description

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Conditions

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Menopause Obesity and Overweight

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Time-Restricted Eating

Group Type EXPERIMENTAL

Time-Restricted Eating 16h/8h

Intervention Type BEHAVIORAL

Participants will be advised to eat only during a self-selected window of 8 hours over the 24-hour cycle, with a 1-hour allowance according to their daily routine.

Active Control

Group Type ACTIVE_COMPARATOR

Active Control

Intervention Type BEHAVIORAL

Participants will be advised to eat 2 to 3 meals every day according to their eating habits and social activities

Interventions

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Time-Restricted Eating 16h/8h

Participants will be advised to eat only during a self-selected window of 8 hours over the 24-hour cycle, with a 1-hour allowance according to their daily routine.

Intervention Type BEHAVIORAL

Active Control

Participants will be advised to eat 2 to 3 meals every day according to their eating habits and social activities

Intervention Type BEHAVIORAL

Other Intervention Names

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TRE 16h/8h

Eligibility Criteria

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Inclusion Criteria

* Women with confirmed physiological menopause without current anti-cancer treatment (group A), or women with menopausal symptoms in the context of aromatase inhibitors used as adjuvant therapy for hormone-sensitive non-metastatic breast cancers regardless of physiological menopause before the cancer diagnosis (group B)
* Age 40-65 years
* Body mass index 25-40 kg/m2
* Stable weight (± 2 kg) over the previous month
* Eating window ≥ 12 hours (self-reported and measured during the run-in phase)
* Able to give informed consent and follow the study procedures for the entire duration
* Confident use of a smartphone and able to take regular pictures of food/drinks

Exclusion Criteria

* On a hypocaloric restrictive diet, intermittent fasting or in a weight management program over the previous month
* Previous bariatric surgery or planned during the study
* Active eating disorder(s) or major mental illness at inclusion
* Psychoactive treatment with recent or planned changes of drug compound or dosage
* Treatments affecting body weight (e.g. glucocorticoids, GLP-1 receptor analogues)
* Diabetes with hypoglycemic drug(s) will be excluded, however those with prediabetes (as defined by the American Diabetes Association) or diabetes with no risk of hypoglycemia (i.e. treated with non-hypoglycemic drugs or without medication) will be included
* Active metabolic bone diseases (e.g. Paget disease, osteomalacia), however women with osteoporosis will be included
* Shift work comprising night shifts (working between 11pm and 6am) over the previous 2 weeks or planned during the study
* Travel/trip to a different time zone (≥ 2-hour time difference) over the previous 2 weeks or planned during the study
* Enrolled in another interventional clinical trial (medication, surgery, medical device) over the previous 2 weeks or planned during the study
Minimum Eligible Age

45 Years

Maximum Eligible Age

60 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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University Hospital, Geneva

OTHER

Sponsor Role lead

Responsible Party

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Tinh-Hai Collet, MD

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Geneva University Hospitals

Geneva, Canton of Geneva, Switzerland

Site Status RECRUITING

Countries

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Switzerland

Central Contacts

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Tinh-Hai Collet, MD

Role: CONTACT

+41-22-372 91 92

Céline Joris, BSc

Role: CONTACT

Facility Contacts

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Tinh-Hai Collet, MD

Role: primary

+41-22-372 91 92

Other Identifiers

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2024-01257

Identifier Type: -

Identifier Source: org_study_id

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