This site became the new on June 19th. Learn more.
Show more Menu IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu
Give us feedback

Nicotinic Receptor Augmentation of SSRI Antidepressants

This study has been completed.
Donaghue Medical Research Foundation
Information provided by:
Yale University Identifier:
First received: April 26, 2006
Last updated: April 18, 2007
Last verified: April 2007
The purpose of this study is to determine whether the nicotinic receptor antagonist mecamylamine hydrochloride (Inversine) can augment SSRI-refractory major depression symptoms, quality of life and cigarette smoking outcomes. A total of n=60 SSRI-refractory patients who are on stable doses of an SSRI are being recruited into this 8-week double-blind, randomized, placebo-controlled trial.

Condition Intervention Phase
Depressive Disorder Drug: Mecamylamine hydrochloride (Inversine) Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Double-Blind,Randomized,Placebo-Controlled Trial of Mecamylamine Hydrochloride for the Treatment of SSRI-Refractory Major Depressive Disorder.

Resource links provided by NLM:

Further study details as provided by Yale University:

Primary Outcome Measures:
  • Hamilton Depression Rating Scale
  • Beck Depression Inventory

Secondary Outcome Measures:
  • Cigarette Smoking
  • Quality of Life
  • Clinical Global Impression Scale

Estimated Enrollment: 60
Study Start Date: January 2003
Study Completion Date: January 2007
  Show Detailed Description


Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Major depression, recurrent outpatients, ages 18-65, smoker or non-smoker, on SSRI monotherapy, depression scores on HDRS-17 item scale or = 12.

Exclusion Criteria:

  • suicidal or homicidal ideation, need for inpatient or partial hospital care, systolic blood pressure <100 mm Hg, history of hypersensitivity to mecamylamine or its excipients.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00319319

United States, Connecticut
Connecticut Mental Health Center
New Haven, Connecticut, United States, 06519
Sponsors and Collaborators
Yale University
Donaghue Medical Research Foundation
Principal Investigator: Tony P. George, M.D. Yale University School of Medicine, Psychiatry
  More Information

Publications automatically indexed to this study by Identifier (NCT Number): Identifier: NCT00319319     History of Changes
Other Study ID Numbers: DF-02-006
Study First Received: April 26, 2006
Last Updated: April 18, 2007

Keywords provided by Yale University:
major depressive disorder,
serotonin selective reuptake inhibitor,
controlled trial,
cigarette smoking

Additional relevant MeSH terms:
Depressive Disorder, Major
Depressive Disorder
Mood Disorders
Mental Disorders
Behavioral Symptoms
Antihypertensive Agents
Ganglionic Blockers
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Nicotinic Antagonists
Cholinergic Antagonists
Cholinergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action processed this record on June 22, 2017