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Bone scans may reveal how breast cancer subtypes spread

NCT ID NCT07750340

Knowledge-focused Sponsor: Sohag University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This observational study looks at whether different molecular subtypes of breast cancer—like Luminal A, HER2-enriched, and triple-negative—show distinct patterns of bone metastasis on bone scans. Researchers will compare imaging results from 100 adults with breast cancer to see if certain subtypes tend to spread to specific bones. The goal is to better understand the link between tumor biology and where cancer travels in the skeleton.

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 distinct patterns emerge, doctors might use breast cancer subtype to predict where bone metastases are likely, guiding more personalized imaging and follow-up.
What could go wrong
This is an observational study, so it can show associations but not prove cause. Results may not apply to all patients, and imaging patterns may overlap across subtypes.

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 100 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 2027

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

The study will include 100 patients diagnosed with histologically proven breast cancer who are referred to the Nuclear Medicine Department for Technetium-99m labeled diphosphonates (Tc99m-MDP )whole-body bone scintigraphy.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Patients of both sexes (females and males) with a confirmed histopathological diagnosis of breast cancer, including all major histological types: Invasive Ductal Carcinoma (IDC), Invasive Lobular Carcinoma (ILC), other mixed or less common epithelial variants. * Patient's age ranging from 18 to 80 years. * Available immunohistochemical (IHC) profiles from the primary breast tumor biopsy or surgery, covering all molecular subtypes including; Luminal A: (ER-positive, PR-positive, HER2-negative, and low Ki-67 index). Luminal B: (ER-positive, PR-variable, HER2-variable "either positive or negative", and high Ki-67 index). HER2-enriched: (ER-negative, PR-negative, and HER2-positive). Triple-Negative breast cancer (TNBC): (no ER, PR or HER2 expression). * Patients referred for bone scintigraphy as part of initial staging, follow-up, or due to clinical suspicion of bone metastasis. Exclusion Criteria: * Patients with other primary malignancies (to avoid confusion regarding the origin of bone metastases). * Patients with incomplete medical records or unavailable immunohistochemical data. * Pregnant female patients. * Patients aged under 18 years old.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

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

Breast cancer

How to take part

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  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

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Contacts and locations

Locations

  • Faculty of Medicine Sohag University

    Sohag, Egypt

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