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Vascular Endothelial Protection Effects of Dextromethorphan

N

National Cheng-Kung University

Status and phase

Completed
Phase 4

Conditions

Inflammation
Smoking
Atherosclerosis

Treatments

Drug: Dextromethorphan

Study type

Interventional

Funder types

Other

Identifiers

NCT00605605
HR-93-28
91-B-FA09-2-4 grant number

Details and patient eligibility

About

To test the hypothesis that DM could have anti-inflammatory effect and thus achieve vascular protection effect on heavy smokers.

Full description

Dextromethorphan (DM), an ingredient widely used in antitussive remedies, had been reported to reduce the inflammation-mediated degeneration of neurons. We recently found that DM can prevent vascular remodeling and neuron injury in animal models of carotid ligation and cerebral ischemia injuries, respectively. It was believed that its action was through the anti-oxidant and NADPH pathway to protect brain cells. However, the mechanism and actual effect on human vascular protection remained unclear.

To test the hypothesis that DM could have anti-inflammatory effect and thus achieve vascular protection effect on heavy smokers, this prospective study will be conducted to treat subjects with heavy smoking history with DM or not and evaluate the anti-inflammatory and the improvement of endothelial function.

Enrollment

40 patients

Sex

Male

Ages

30 to 60 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • healthy male volunteers who are currently smoking

Exclusion criteria

  • personal history of hypertension or diabetes mellitus
  • family history with
  • documented premature cardiovascular events
  • cardiovascular-associated sudden death
  • total cholesterol > 240 mg/dL
  • triglyceride > 200 mg/dL
  • low-density lipoprotein > 160 mg/dL.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

40 participants in 1 patient group

1
Experimental group
Treatment:
Drug: Dextromethorphan

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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