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Scientists probe parathyroid tumors for clues to better surgery

NCT ID NCT05997810

Knowledge-focused Sponsor: Washington University School of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 study is collecting tumor samples from 839 people with hyperparathyroidism who are having parathyroid surgery. Researchers want to see if the genetic makeup of the tumors (whether they are monoclonal or polyclonal) relates to how many glands are affected and how well surgery works. The goal is to better understand the disease and possibly guide future treatment decisions.

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 successful, this study could help doctors better predict which patients need more extensive surgery for hyperparathyroidism, leading to more personalized treatment.
What could go wrong
This is an observational biomarker study, not a treatment trial. It will not directly improve health outcomes, and results may not change current clinical practice.

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

About 839 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2023

Expected to finish

Jan 2032

An estimate. End dates often move.

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

Females and males scheduled to have surgery for hyperparathyroidism.

Ages

18 to 80 years

Sex

Female participants only

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: * 1\. Diagnosed with hyperparathyroidism (primary, secondary, or tertiary), biochemically confirmed (e.g., serum calcium and/or intact PTH consistent with the underlying etiology), and undergoing clinically indicated management * Female and male patients * Age ≥ 18 years * Ability to understand and willingness to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable). Exclusion Criteria: * Patients with a history of cervicofacial irradiation. * Patients currently taking lithium or with a history of lithium use. * Pregnant patients

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Conditions

The condition(s) this trial relates to.

Parathyroid Neoplasms primary hyperparathyroidism secondary hyperparathyroidism tertiary hyperparathyroidism tumor of parathyroid gland

As listed by the trial registrant

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

Parathyroid tumor Primary hyperparathyroidism Secondary hyperparathyroidism (SHPT) Tertiary hyperparathyroidism

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

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