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Anemia may skew diabetes test results, new study warns

NCT ID NCT07463612

Knowledge-focused Sponsor: Sohag University Source: ClinicalTrials.gov ↗

What the study statuses mean

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looks at how different types of anemia—like iron deficiency or thalassemia—can change HbA1c levels, a common test for diabetes, in people who do not have diabetes. Researchers will compare HbA1c results between 100 non-diabetic adults with various anemias and a healthy control group. The goal is to see if anemia causes falsely high or low readings, which could lead to wrong diabetes diagnoses.

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 interpret HbA1c tests more accurately in people with anemia, avoiding misdiagnosis of diabetes.
What could go wrong
This is an observational study with only 100 participants, so results may not apply to everyone. It does not test a treatment, so it won't directly change patient care.

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

Mar 2026

An estimate. Start dates often move.

Expected to finish

Jun 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

Non-diabetic adult individuals attending the outpatient clinics and/or admitted to the internal medicine departments of Sohag University Hospital . Participants will be classified into different groups based on the presence and type of anemia (e.g., iron deficiency anemia, vitamin B12 deficiency anemia, folate deficiency anemia, anemia of chronic disease), in addition to a control group of non-anemic individuals.

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: \- Adult participants aged 18 years and above. * Non-diabetic individuals, defined as: * Fasting plasma glucose \< 126 mg/dL and/or * HbA1c \< 6.5%, with no prior diagnosis of diabetes mellitus. * Individuals diagnosed with anemia based on WHO criteria: * Hemoglobin \< 13 g/dL in males * Hemoglobin \< 12 g/dL in female * Patients with hemolytic anemia including thalassemia ( thalassemia trait and intermediate ) , sickle cell ( trait and disease ). * Patients with confirmed specific types of anemia, based on laboratory evaluation: * Iron deficiency anemia * Vitamin B12 deficiency anemia * Folate deficiency anemia * Anemia of chronic diseases Exclusion Criteria: * Known cases of diabetes mellitus or prediabetes. * Recent blood transfusion within the last 3 months. * Use of medications known to affect HbA1c levels * Acute illness or infection at the time of enrollment. * Pregnant women * Hematological malignancies

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Conditions

The condition(s) this trial relates to.

anemia anemia due to chronic disorder folic acid deficiency anemia iron deficiency anemia sickle cell disease thalassemia vitamin B12 deficiency

As listed by the trial registrant

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

Anemia HbA1c

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

    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

  • Sohag University Hospitals

    Sohag, Sohag Governorate, Egypt

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