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Safety of oral micronized progesterone versus norethisterone acetate in continuous combination with oral estrogen as menopausal hormone therapy – a double-blind randomized study- PROBES study (Progesterone Breast Endometrial Safety study)

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-520435-33-00
Acronym
PROBES
Enrollment
520
Registered
2025-01-17
Start date
Unknown
Completion date
Unknown
Last updated
2025-01-17

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

Conditions

Climacteric symptoms

Brief summary

Percentage change in mammographic density compared between the groups.

Detailed description

Incidence of endometrial proliferation (proliferation marker (Ki67), Endometrial thickness on ultrasound, Bleeding pattern as documented in a bleeding diary, Gene and protein expression of growth factors and apoptosis markers in breast and endometrial tissue, Depression and anxiety symptoms (Patient Health Questionnaire (PHQ-9), Hospital Anxiety and Depression Scale (HADS)), Health-related quality of life (Psychological General Well-Being Index (PGWB)), Women’s Health Questionnaire (WHQ), Blood lipid profile, serum hormones, growth and metabolic factors (follicle-stimulating hormone, luteinizing hormone, estradiol, progesterone, testosterone, sex hormone-binding globulin, IGF–I and its binding proteins), and coagulation factors (antitrombin, factor V Leiden, factor II mutation, cardiolipin-ab, Lupus anticoagulant, Protein C activity, Protein S free, APT-time, fibrinogen, prothrombin complex, thrombocytes).

Interventions

DRUGUtrogestan 200 mg mjuk vaginalkapsel
DRUGEstrofem 1 mg filmovertrukne tabletter
DRUGPharmaceutical form: Capsule Route of administration: Oral use Which IMS is it a placebo for?: Utrogestan Is it otherwise identival tio the IMP?: Yes
DRUGActivelle 1 mg/0

Sponsors

Karolinska University Hospital
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
Percentage change in mammographic density compared between the groups.

Secondary

MeasureTime frame
Incidence of endometrial proliferation (proliferation marker (Ki67), Endometrial thickness on ultrasound, Bleeding pattern as documented in a bleeding diary, Gene and protein expression of growth factors and apoptosis markers in breast and endometrial tissue, Depression and anxiety symptoms (Patient Health Questionnaire (PHQ-9), Hospital Anxiety and Depression Scale (HADS)), Health-related quality of life (Psychological General Well-Being Index (PGWB)), Women’s Health Questionnaire (WHQ), Blood lipid profile, serum hormones, growth and metabolic factors (follicle-stimulating hormone, luteinizing hormone, estradiol, progesterone, testosterone, sex hormone-binding globulin, IGF–I and its binding proteins), and coagulation factors (antitrombin, factor V Leiden, factor II mutation, cardiolipin-ab, Lupus anticoagulant, Protein C activity, Protein S free, APT-time, fibrinogen, prothrombin complex, thrombocytes).

Countries

Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026