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Could painkillers quietly disrupt your hormones?

NCT ID NCT01543425

Knowledge-focused Sponsor: University Hospital, Clermont-Ferrand Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This study looks at whether chronic neuropathic pain and the medications used to treat it—like antidepressants, antiepileptics, or opioids—are linked to changes in hormone levels. Researchers will compare hormone levels in 120 adults with chronic pain to healthy volunteers matched by age, sex, and body size. The goal is to see if these hormonal changes might help explain why many pain patients report a lower quality of life.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If this study finds that certain pain medications disrupt hormone levels, it could point toward ways to improve quality of life for people with chronic pain.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The findings may not apply to all pain patients, and the results are only a snapshot of hormone levels at one time.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

120 people

The number who actually took part.

Start date

Mar 2012

Finished

May 2013

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients older than 18 years, * Male or Female with BMI between 18 and 35, * Patients with chronic neuropathic pain for more than six months, except to diabetes or central neuropathic pain * Patients receiving systemic therapy for treating chronic neuropathic pain such as antidepressants, anticonvulsants or opiates for at least 6 months. Group of healthy volunteers * non-painful healthy volunteers matched by age, sex, BMI and menopausal status for women, * Free of analgesics within 8 days before the test, * Aged over 18 years, * Male or Female,

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Group of patients * Patients older than 18 years, * Male or Female with BMI between 18 and 35, * Patients with chronic neuropathic pain for more than six months, except to diabetes or central neuropathic pain * Patients receiving systemic therapy for treating chronic neuropathic pain such as antidepressants, anticonvulsants or opiates for at least 6 months. Group of healthy volunteers * non-painful healthy volunteers matched by age, sex, BMI and menopausal status for women, * Free of analgesics within 8 days before the test, * Aged over 18 years, * Male or Female, Exclusion Criteria: * Subjects with a medical history and / or surgical judged by the investigator or his representative as being incompatible with the test * Patients treated only by topical treatment (lidocaine patch only for example) * Pateints receiving corticosteroid treatment at the time of enrollment, or who received such treatment during the last 6 months (regardless of the dosage form and dosage), * Inflammatory and evolutive pathology requiring long term treatment, * Type 2 diabetes, * Postmenopausal women with replacement therapy, * Weight change of more than 5% within 3 months before the study, * BMI \<18 or\> 35,

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Conditions

The condition(s) this trial relates to.

neuralgia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Neuropathic pain

Contacts and locations

Locations

  • CHU Clermont-Ferrand

    Clermont-Ferrand, 63003, France

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