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Recruiting Phase 3 NCT06570889

NCT06570889 VItamin D in pregnanCy for prevenTion Of eaRlY Childhood Asthma

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Clinical Trial Summary
NCT ID NCT06570889
Status Recruiting
Phase Phase 3
Sponsor Professor Klaus Bønnelykke
Condition Asthma
Study Type INTERVENTIONAL
Enrollment 2,000 participants
Start Date 2024-12-20
Primary Completion 2026-10

Eligibility & Interventions

Sex Female only
Min Age 18 Years
Max Age 45 Years
Study Type INTERVENTIONAL
Interventions
Cholecalciferol D3Olive oil

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 2,000 participants in total. It began in 2024-12-20 with a primary completion date of 2026-10.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The overall aim of the study is to develop a nutritional preventive vitamin D supplementation strategy in pregnancy for early childhood asthma/persistent wheeze during the first three years of life as we hypothesize that supplementation in higher doses than recommended could reduce the risk of disease development.

Eligibility Criteria

* Pregnant Danish women before week 26 with blood levels of EPA+DHA above 4.7% of total fatty acids * No current vitamin D intake above the recommended 400 IU/day * No endocrine-, heart-, kidney- or auto-immune disorders * No disorders requiring treatment with blood thinning medication

Contact & Investigator

Central Contact

Klaus Bønnelykke, PhD

✉ kb@copsac.com

📞 +4538677360

Principal Investigator

Klaus Bønnelykke, PhD

PRINCIPAL INVESTIGATOR

Copenhagen Studies on Asthma in Childhood

Frequently Asked Questions

Who can join the NCT06570889 clinical trial?

This trial is open to female participants only, aged 18 Years or older, up to 45 Years, studying Asthma. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06570889 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 2,000 participants.

Is NCT06570889 currently recruiting?

Yes, NCT06570889 is actively recruiting participants. Contact the research team at kb@copsac.com for enrollment information.

Where is the NCT06570889 trial being conducted?

This trial is being conducted at Gentofte Municipality, Denmark.

Who is sponsoring the NCT06570889 clinical trial?

NCT06570889 is sponsored by Professor Klaus Bønnelykke. The principal investigator is Klaus Bønnelykke, PhD at Copenhagen Studies on Asthma in Childhood. The trial plans to enroll 2,000 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology