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Comparison of the effects of vitamin D and N-acetylcysteine supplementation on the expression of cellular senescence genes and inflammatory factors in the elderly with vitamin D deficiency.

Comparison of the effects of vitamin D and N-acetylcysteine supplementation on the expression of cellular senescence genes and inflammatory factors in the elderly with vitamin D deficiency. A double-blind randomized clinical trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20230508058120N1
Enrollment
100
Registered
2023-08-20
Start date
2023-09-23
Completion date
Unknown
Last updated
2023-10-16

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

Conditions

Vitamin D deficiency.

Interventions

Intervention 1: First intervention group: 600 mg of N-acetyl cysteine +1000 units of vitamin D ??daily for 8 weeks. Intervention 2: Second intervention group: 5000 units of vitamin D daily for 8 weeks

Sponsors

Shahid Beheshti University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: Elderly people with a body mass index of 25-32 kg/m2 Serum vitamin D deficiency (less than 30 ng/mL) Age over 65 years old No chronic and acute inflammatory and infectious diseases Not suffering from diabetes and thyroid diseases Not suffering from Alzheimer's and dementia Not receiving alcohol and smoking Not receiving medication or a disorder that affects vitamin D metabolism (anticonvulsant drugs, antituberculosis drugs, glucocorticoids, HIV drugs) Not receiving vitamin D and N-acetyl cysteine and antioxidant supplements in the last three months Non-participation in other clinical trial studies at the same time as the present study

Exclusion criteria

Exclusion criteria: Hypercalcemia (more than 2.6 mmol/L) Dysparathyroidism, kidney failure and stones, and long-term treatment with bisphosphonates and corticosteroids. Consumption of less than 90% of prescribed supplements Unwillingness to cooperate during the intervention

Design outcomes

Primary

MeasureTime frame
Changes in p21 gene expression. Timepoint: Before and after intervention. Method of measurement: Quantitative Real-time Polymerase chain reaction.;Changes in p16 gene expression. Timepoint: Before and after intervention. Method of measurement: Quantitative Real-time Polymerase chain reaction.;Changes in TNFa gene expression. Timepoint: Before and after intervention. Method of measurement: Quantitative Real-time Polymerase chain reaction.;Changes in IL-6 gene expression. Timepoint: Before and after intervention. Method of measurement: Quantitative Real-time Polymerase chain reaction.;Changes in beta-galactosidase activity. Timepoint: Before and after intervention. Method of measurement: x-gal staining.;Serum IL-6. Timepoint: Before and after intervention. Method of measurement: ELISA KIT.;Serum TNFa. Timepoint: Before and after intervention. Method of measurement: ELISA KIT.

Secondary

MeasureTime frame
NLR: Neutrophil to Lymphocyte Ratio. Timepoint: Before and after intervention. Method of measurement: Calculation based on complete blood count with Differential test.;C-Reactive Protein. Timepoint: Before and after intervention. Method of measurement: Elisa kit.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSamira Rastgoo

Shahid Beheshti University of Medical Sciences

samiraa.rastgoo@gmail.com+98 21 2293 0824

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026