Safety Study of CTS21166 to Treat Alzheimer Disease (CTS)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00621010 |
Recruitment Status :
Completed
First Posted : February 22, 2008
Last Update Posted : July 9, 2008
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Alzheimer's Disease | Drug: CTS21166 (ZPQ-21166) | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 56 participants |
Primary Purpose: | Treatment |
Official Title: | A Phase 1 Single Escalating Dose Study to Assess the Safety and Pharmacokinetics of CTS21166 Administered Intravenously to Healthy Adult Males |
Study Start Date : | June 2007 |
Actual Primary Completion Date : | February 2008 |
Actual Study Completion Date : | February 2008 |

Arm | Intervention/treatment |
---|---|
Experimental: Cohort |
Drug: CTS21166 (ZPQ-21166)
Cohort 1: (7.5 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days; Cohort 2: (22.5 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days; Cohort 3: (45 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days; Cohort 4: (90 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days; Cohort 5: (150 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days; Cohort 6: (225 mg): 6 subjects, plus 2 placebo. If no safety concerns after 7 days,proceed to Part B. Cohort 7: (225 mg): Up to 10 subjects, open label, 3 hour infusion |
- To evaluate the safety and tolerability of single ascending doses of CTS21166 following intravenous administration
- To evaluate the pharmacokinetics(PK) of CTS21166 and its major metabolites as assessed in plasma

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Ages Eligible for Study: | 22 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Male |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Healthy adult male > age 21;
- non-smoker (minimum 6 months);
Exclusion Criteria:
- History or evidence of clinically significant cardiovascular, pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, dermatologic,neurologic, psychiatric, oncologic, or allergic (including anaphylactic drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing) disease
- History or evidence of intravenous illicit drug use, human immunodeficiency virus (HIV), hepatitis B, or hepatitis C;
- Participation in another clinical trial within 30 days prior to dosing

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00621010
United States, Utah | |
Lifetree Clinical Research | |
Salt Lake City, Utah, United States, 84106 |
Study Director: | Henry Hsu, M.D. | CoMentis |
Responsible Party: | Henry Hsu, MD, Comentis, Inc. |
ClinicalTrials.gov Identifier: | NCT00621010 |
Other Study ID Numbers: |
CTS21166-101 |
First Posted: | February 22, 2008 Key Record Dates |
Last Update Posted: | July 9, 2008 |
Last Verified: | July 2008 |
Alzheimer Disease Dementia Brain Diseases Central Nervous System Diseases Nervous System Diseases |
Tauopathies Neurodegenerative Diseases Neurocognitive Disorders Mental Disorders |