New rapid blood test could speed up heart attack diagnosis
NCT ID NCT06463275
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study measured troponin I levels in 1355 healthy adults to determine normal ranges for a new rapid test called SpinChip hs-cTnI. Troponin is a protein released during a heart attack, and having accurate normal values helps doctors diagnose heart attacks more reliably. The test uses a small cartridge and analyzer to give quick results from a blood sample.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SpinChip hs-cTnI test (a diagnostic test using a cartridge and analyzer to measure troponin I in blood)
- What this could lead to
- If successful, this test could help doctors diagnose heart attacks faster and more accurately using a simple blood sample.
- What could go wrong
- This study only established normal reference ranges in healthy people; it did not test the test's ability to diagnose heart attacks in real patients. Further studies are needed.
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
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1,355 people
The number who actually took part.
- Started
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May 2024
- Finished
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Sep 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
A minimum of 800 healthy subjects with a balanced gender distribution (minimum 400 females and 400 males).
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Able and willing to provide signed written informed consent * 18-80 years old * Estimated glomerular filtration rate (eGFR) \> 60 mL/min/1.73 m2 for subjects 18-65 years and \> 50 mL/min/1.73 m2 for subjects \> 66 years * Haemoglobin A1c (HbA1c) \< 6.5% (\< 48 mmol/mol) * NT-proBNP (N-terminal prohormone of brain natriuretic peptide) \< 125 ng/L or BNP (brain natriuretic peptide) \< 35 ng/L Exclusion Criteria: * All known cardiovascular or cardiac diseases (evaluated using questionnaire; personal history of acute myocardial infarction (AMI) or other cardiac diseases (angina, stroke, atrial fibrillation, peripheral vascular disease (PVD), deep vein thrombosis (DVT), pulmonary embolism (PE), cardiac valve disease, heart failure) * Treatment for hyperlipidaemia (medication reported in questionnaire) * Hypertension (as judged by the investigator) or use of medication for hypertension (medication reported in questionnaire) * Treatment for diabetes, including dietary treatment (reported in questionnaire) * Abnormal BMI (body mass index) (\< 18 kg/m2 or \> 35 kg/m2), calculated from data collected during enrolment visit * Current smokers (reported in questionnaire) * Major illness or chronic disease that could affect the heart (lung, liver, unstable or nontreated thyroid disease, or autoimmune diseases (evaluated using questionnaire) * History of cancer within the last 5 years (based on questionnaire) except basal cell carcinoma (in situ) * Recent acute hospitalisation (within last 3 months, reported in questionnaire) * Pregnancy (reported in questionnaire) * Already included in the study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CTC Clinical Trial Consultants AB
Uppsala, Uppsala County, 752 37, Sweden
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Clinical Trial Consultants (CTC) Ebbepark
Linköping, 58213, Sweden
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Clinical Trial Consultants (CTC) GoCo
Mölndal, Gothenburg, 431 53, Sweden
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Phase I-IV Research Unit Karolinska
Solna, 171 64, Sweden
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Other studies related to the condition(s) this trial covers.
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- Stick-On patch aims to catch dangerous heart decline sooner
- Sleep apnea clues may unmask hidden heart risks in survivors
- Can new imaging and genetics unlock the secrets of heart attacks?
- Blood test clues: could two proteins predict heart failure after a heart attack?
- Which strategy wins for heart attack patients with multiple blocked arteries?