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Vitamin d test showdown: which lab method is best?

NCT ID NCT07337499

Knowledge-focused Sponsor: I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study aims to see how well a new lab method (Maglumi X3 SNIBE) measures vitamin D levels compared to other standard methods. Researchers will take blood samples from 200 healthy volunteers and patients. The goal is to ensure different labs give consistent and accurate results for vitamin D tests.

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 200 people

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

Started

Sep 2025

Expected to finish

Mar 2026

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

Two hundred subjects will be recruited, including healthy individuals who are employees of the Galeazzi-Sant'Ambrogio Hospital, as well as patients at the time of pre-admission or admission who are referred for major orthopedic surgery (hip and knee replacement) or for cardiothoracic surgery.

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: * Healthy volunteer subjects: Subjects who sign the informed consent to participate in the study Age ≥ 18 years Employees, in various roles, of the IRCCS Galeazzi-Sant'Ambrogio Hospital -Patients: Subjects who sign the informed consent to participate in the study Age ≥ 18 years Patients referred for major orthopedic surgery: hip and knee replacement (bicompartmental and unicompartmental) Patients referred for cardiothoracic surgery Exclusion Criteria: * Neoplastic diseases (until remission) * Grade I, II, and III obesity * Age \< 18 years * Women who are pregnant or breastfeeding, based on self-declaration * Individuals unable to understand and make decisions

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As listed by the trial registrant

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

Quantification of 25-(OH)D in physiological condition

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

  • Laboratory of Experimental Biochemistry and Advanced Diagnostic

    RECRUITING

    Milan, Milano, 20175, Italy