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The efficacy of vitamin D in chronic myofascial pain syndrome in working people: A randomized, double blind, controlled trial

The efficacy of vitamin D in chronic myofascial pain syndrome in working people: A randomized, double blind, controlled trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20251016015
Enrollment
52
Registered
2025-10-16
Start date
2025-10-20
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic myofascial pain syndrome patients often have vitamin D deficiency. chronic myofascial pain syndrome, Vitamin D insufficiency, VAS, Muscle strength, Neck Disability Index (NDI-TH)

Interventions

Vitamin D2 20,000 IU, in a total of 32 tablets, is packaged in an opaque pouch and given to the patients, divided into 2 pouches. The first pouch contains 16 tablets, with instructions for the partici

Sponsors

Faculty of Medicine, Chulalongkorn University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Age 18 - 60 years 2. Diagnosed as chronic myofascial pain syndrome at upper trapezius muscle with moderate pain level (VAS 4-6) 3. total 25-hydroxy vitamin D < 30 ng/ml 4. Willing to participate in the study

Exclusion criteria

Exclusion criteria: 1. Diagnosed as Cervical radiculopathy, Musculoskeletal injury, Scoliosis, Myelopathy, Fibromyalgia, Postmenopausal syndrome 2. Contraindication for vitamin D supplement: liver disease, kidney disease, parathyroid disease, allergy to vitamin D supplement 3. History of vitamin D supplement within 3 months 4. Systemic disease as Autoimmune, Malignancy 5. Severe perception and communication impairment

Design outcomes

Primary

MeasureTime frame
Pain 12 and 24 weeks VAS

Secondary

MeasureTime frame
Muscle strength 12 and 24 weeks Digital Handheld Dynamometer,Neck function 12 and 24 weeks Neck Disability Index (NDI-TH) is a self-administered questionnaire used to measure neck-specific disability,Medication used 12 and 24 weeks frequency,Modality used 12 and 24 weeks frequency

Countries

Thailand

Contacts

Public ContactRattana Rattanatharn

King Chulalongkorn Memorial Hospital

rrattana2000@yahoo.com0863777170

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026