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Premature Ovarian InsufficiencyQTIOPNCT04167033

Ventricular Repolarization in Patients With Premature Ovarian Insufficiency (QTIOP)

A study testing Hormone replacement therapy:effect on ventricular repolarization and ECG in people with Premature Ovarian Insufficiency, run by Assistance Publique - Hôpitaux de Paris at 3 sites in France.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

Ventricular repolarization, measured by corrected QT interval (QTc), is influenced by sex hormones. A QTc above 460msec predisposes to the risk of "torsades-de-pointes"(TdP). The investigators have recently shown that estradiol determines an increase in QTc elongation and progesterone shortens it. Read more about this study

Who is it for?
Ages 18 to 40 years, women onlyHealthy volunteers can take part
Conditions the study is for
Premature Ovarian Insufficiency
What is being tested?
Hormone replacement therapy:effect on ventricular repolarization and ECG
Could I receive a placebo?
No, everyone receives an active treatment
How many people
120 participants
Where
3 sitesFrance
Study dates
14 Apr 2021to 13 Jun 2027
Phase
Interventional
Are there results?
Not yet: the study is under way

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 to 40 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Patients with POI
  • Patient aged 18 to 41 years
  • Patient with POI diagnostic criteria (FSH >25UI/l twice at intervals of a few weeks) with amenorrhea
  • No hormone treatment interacting with the gonadotropic axis for at least one month before inclusion
  • Patient who has signed informed consent
  • Patient affiliated to a social security system
Show all 11Show fewer
  • Healthy volunteers (including POI control group)
  • Healthy women, aged 18 to 40 years, age-matched (+/- 5 years), and by BMI class (BMI<18, 18-25, 25-30, 30-35, 35-40, >40) compared to women with BPI
  • Women with regular cycles of 26 to 32 days
  • Women who has signed an informed consent form
  • Patient affiliated to a social security system

Who cannot join

  • Patients with POI
  • Patient on HRT during the 1st evaluation
  • Pregnant or breastfeeding woman
  • Treatment regimen known to lengthen QT or act on ventricular repolarization
  • Cardiac history in particular cardiac rhythm disorder
  • Diabetes
Show all 14Show fewer
  • Patient on AME (unless derogation from affiliation),
  • Severe renal insufficiency (MDRD <30ml/min/m²)
  • Healthy volunteers (including POI control group)
  • Diabetes or any chronic disease (including cardiovascular and endocrine)
  • Pregnant or breastfeeding woman
  • Hormonal contraceptive treatment in progress or stopped less than 3 months ago
  • Chronic treatment affecting the duration of QTc
  • Woman under AME (unless affiliation derogation)

Trial locations and contacts

3 sites in 1 country. Contact the study team or a site near you to ask about taking part.

France3 sites, 2 recruiting
  • Hopital Haut Leveque

    Bordeaux

    Active, not recruiting
  • BACHELOT

    Paris, 75013

    BACHELOT Anne, Pr, 01 42 16 02 46, anne.bachelot@aphp.fr

    DULON Jérôme, 01 42 16 02 11, jerome.dulon@aphp.fr

    Recruiting
  • Pitié Salpêtrière

    Paris, 75013

    SALEM Joe Elie

    Recruiting

Other trials in France

About this study

Official title: Study of Ventricular Repolarization in Patients With Premature Ovarian Insufficiency and Influence of Estrogen-progestin Replacement Therapy

Ventricular repolarization, measured by corrected QT interval (QTc), is influenced by sex hormones. A QTc above 460msec predisposes to the risk of "torsades-de-pointes"(TdP). The investigators have recently shown that estradiol determines an increase in QTc elongation and progesterone shortens it. In addition, high gonadotropin levels (FSH or LH) are associated with QTc prolongation. Hypergonadotropic hypogonadisms (low progesterone and high gonadotropins) are therefore hormonal situations that promote QTc prolongation. Premature ovarian insufficiency (POI) is one of them. Its management is based on the prescription of hormone replacement therapy (HRT). Epidemiological studies have shown that these patients would be at increased risk of cardiovascular mortality. Our team is interested in the effect of this pathological hormonal situation and its HRT on ventricular repolarization in order to define whether this is a population at risk for long QTc.

Read the detailed description

Ventricular repolarization, measured by the duration of the heart rate corrected QT interval (QTc), is influenced by sex hormones. A QTc above 460msec predisposes to the risk of torsades-de-pointes (TdP); ventricular arrhythmias that can lead to sudden death.

From puberty to menopause, QTc is longer in women than in men (~10-15msec difference) and varies in women according to the menstrual cycle (~5-10msec). This explains the increased risk of TdP in women compared to men. During the menstrual cycle, the risk is highest for women during the follicular phase compared to the luteal phase. The investigators have recently shown that estradiol determines an increase in QTc elongation and progesterone shortens it. In addition, high gonadotropin levels (FSH or LH) are associated with QTc prolongation. Hypergonadotropic hypogonadisms (low progesterone and high gonadotropins) are therefore hormonal situations that promote QTc prolongation.

Premature ovarian insufficiency (POI) affects 1% of women under 40 years of age and is characterized by hypergonadotropic hypogonadism. POI is associated with hormonal deficiencies responsible for amenorrhea and infertility. Management is based on the prescription of hormone replacement therapy (HRT). Epidemiological studies have shown that these patients would be at increased risk of cardiovascular mortality. HRT will be based on the combination of an estrogen and a progestin and will lead to a variable decrease in gonadotropins, depending on the steroid hormones/doses used. Our team, after structuring one of the largest international cohorts of patients with POI, is interested in the effect of this pathological hormonal situation and its HRT on ventricular repolarization to define whether this is a population at risk for long QTc. Indeed, ECG follow-up is recommended and many drugs (cardiovascular or not), are to be avoided, or even contraindicated in situations at risk of long QTc.

Being tested
Hormone replacement therapy:effect on ventricular repolarization, ECG
Keywords
Premature ovarian insufficiency, QTc, Torsade de pointe, Hormone replacement therapy
Medical subject headings
Primary Ovarian Insufficiency, Torsades de Pointes

What participants receive

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

  • Hormone replacement therapy:effect on ventricular repolarizationDrug

    Hormone replacement therapy and QTc measurement

  • ECGDiagnostic test

    QTc measurement

Study groups in NCT04167033
Study groupRoleWhat they receive
Premature ovarian insufficiencyExperimental60 patients with POI followed in the endocrinology department
Receives: Drug: Hormone replacement therapy:effect on ventricular repolarization
healthy volunteersOther60 healthy volunteers matched with POI's patients
Receives: Diagnostic Test: ECG

What is being measured

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

  1. Duration of QTc

    Compare the duration of QTc in patients with non-substituted POI with that of matched healthy volunteers on cardiovascular risk factors. The QTc will be measured by the Fridericia method

    Measured: in the luteal phase between Day22 and Day25

Secondary outcomes (2)
  1. Duration of QTc

    Measure the duration of QTc in women with POI before and after the introduction of HRT

    Measured: the day before and between Day22 and Day60 after the introduction of HRT

  2. Duration of QTc

    Study the association between sex hormone levels (gonadotropins, steroid hormones) and QTc duration, as well as their variation in patients with POI and healthy volunteers

    Measured: in the luteal phase between Day22 and Day25

Timeline

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

  1. First posted18 Nov 2019
  2. Study start14 Apr 2021
  3. Primary completion13 Apr 2027 (estimated)
  4. Study completion13 Jun 2027 (estimated)

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 N/A
Primary purpose
Basic science
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
This is a bicentric case-control study: 60 patients with POI followed in the endocrinology department, and 60 healthy volunteers matched with POI's patients on age (+/- 5 years), on BMI classes (BMI\<18, 18-25, 25-30, 30-35, 35-40, \>40) and with regular cycles (26 to 32 days).
Masking
None (open label)
Enrolment
120 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04167033
Sponsor's protocol ID
APHP180160
Other IDs
2019-A01002-55
Acronym
QTIOP
Status last verified
Dec 2025
First submitted
26 Sep 2019
Last updated
9 Dec 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Hormone replacement therapy:effect on ventricular repolarization and ECG in people with Premature Ovarian Insufficiency, run by Assistance Publique - Hôpitaux de Paris at 3 sites in France.

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 11 inclusion and 14 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: looking for participants now, as of the sponsor's last update on 9 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in France. 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.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

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

Contact Anne Bissery, MD (1 42 16 24 32 ext. +33, anne.bissery@aphp.fr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Duration of QTc (time frame: in the luteal phase between Day22 and Day25). 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 9 Dec 2025.

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