Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 and up

Vitamin D treatment for patients with bronchiectasis

Official title: Prospective Clinical Study on Vitamin D Replacement in Bronchiectasis - A Pilot Study

Run by Queen Mary Hospital, Hong Kong · NCT06551337 · Data updated 2026-11-12

This study is testing if vitamin D supplements can help people with bronchiectasis who have low vitamin D levels experience fewer flare-ups.

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment104 (estimated)
SponsorQueen Mary Hospital, Hong Kong
Academic / other
Locations1 site (Hong Kong)
StatusRecruiting
StartedApril 17, 2024
Main results expectedDecember 31, 2026
Study endsJune 30, 2027
Registry record updatedAugust 13, 2024
Trial IDNCT06551337 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older with a confirmed diagnosis of non-CF bronchiectasis and who participated in a prior related study.

Probably not a fit

Patients with underlying asthma, COPD, other respiratory diseases, osteoporosis, or those already taking vitamin D supplements may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effects of vitamin D replacement on reducing the occurrence of bronchiectasis exacerbations in patients with vitamin D deficiency. It is a self-controlled pilot study that invites participants from a previous related study to assess the impact of vitamin D3 supplementation. Participants will have their blood levels of 25-hydroxyvitamin D monitored throughout the study. The aim is to provide insights into the potential benefits of vitamin D in managing bronchiectasis.

Why it matters

Potential benefit: If successful, this study could lead to improved management strategies for bronchiectasis patients, potentially reducing hospitalizations due to exacerbations.

How similar studies have gone: Previous studies have explored vitamin D's role in respiratory conditions, but this specific approach in bronchiectasis is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. ages 18 years or above, male or female.
2. confirmed diagnosis of non-CF bronchiectasis based on high-resolution computed tomography (HRCT) scan.
3. participation in the prior study entitled "Prospective clinical study on serum 25-hydroxyvitamin D (25-OH D) level and risk of bronchiectasis exacerbation" (UW 22-317)

Exclusion Criteria:

1. underlying asthma, COPD and other co-existing respiratory diseases
2. underlying osteoporosis
3. supplementary Vitamin D in their regimen
4. advanced chronic kidney disease with estimated glomerular filtration rate (eGFR) \< 30mL/min

Where it's running

  • Queen Mary Hospital
    Hong Kong, Hong Kong
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.