Skip to content

Magnesium supplement for sleep in postmenopausal women: a randomized, double-blind, placebo-controlled trial

Magnesium supplement for sleep in postmenopausal women: a randomized, double-blind, placebo-controlled trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260308004
Enrollment
56
Registered
2026-03-08
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Postmenopausal women aged 45 to 70 years with Insomnia Disorder based on DSM 5 criteria and an Insomnia Severity Index score of 8 or higher Magnesium, Menopause, Insomnia

Interventions

Magnesium bisglycinate chelate buffer 3 tablets before bedtime (300 mg element of magnesium),Placebo 3 tablets before bedtime
Experimental Drug,Placebo Comparator Drug
Magnesium,Placebo

Sponsors

Faculty of medicine, Siriraj Hospital, Mahidol university
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
45 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Diagnosis of insomnia according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), with an Insomnia Severity Index (ISI) score more than 8 2. Normal renal function

Exclusion criteria

Exclusion criteria: 1. Insomnia requiring urgent pharmacologic treatment, such as suicidal ideation or severe functional impairment due to insomnia necessitating immediate use of hypnotic medications. 2. Obstructive sleep apnea (OSA), defined by a STOP-BANG screening score more than 3 3. Night-shift worker 4. Unstable psychiatric disorders 5. Use of magnesium-containing laxatives or antacids more than 2 times per week 6. Severe cardiovascular disease 7. Hypermagnesemia 8. Current use of sedative medication less than 3 months prior to study enrollment

Design outcomes

Primary

MeasureTime frame
Change in Insomnia Severity Index (ISI) score at week 4 compared with baseline Numerical number

Secondary

MeasureTime frame
Changes in overall sleep quality, assessed by the Pittsburgh Sleep Quality Index (PSQI) at 4 weeks compared with baseline Numerical number,Changes in sleep diary parameters at 4 weeks compared with baseline Numerical number,Changes in serum magnesium levels at 4 weeks compared with baseline mg/dL,Vasomotor symptoms at 4 weeks compared with baseline Categorical data

Countries

Thailand

Contacts

Public ContactJuthamas Chuthong

Faculty of medicine Siriraj Hospital, Mahidol university

juthamaschuthong@gmail.com66994065161

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026