A Study to Evaluate the Safety and Tolerability of SAGE-718 in Participants With Parkinson's Disease Mild Cognitive Impairment (PD-MCI)
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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. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04476017 |
Recruitment Status :
Recruiting
First Posted : July 17, 2020
Last Update Posted : March 23, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Parkinson Disease Cognitive Dysfunction | Drug: SAGE-718 | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 22 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | An Open-Label Evaluation of the Safety and Tolerability of SAGE-718 in Participants With Parkinson's Disease Mild Cognitive Impairment |
Actual Study Start Date : | September 11, 2020 |
Estimated Primary Completion Date : | June 2021 |
Estimated Study Completion Date : | June 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: SAGE-718
Participants will receive SAGE-718 tablets, once daily with food in the morning for 14 days.
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Drug: SAGE-718
SAGE-718 oral tablets. |
- Percentage of Participants With at Least One Treatment-Emergent Adverse Event (TEAE) [ Time Frame: Up to Day 28 ]An adverse event (AE) is any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product that does not necessarily have a causal relationship with this treatment. A TEAE is an AE that occurs after the first administration of a study drug.
- Percentage of Participants With Clinically Significant Changes in Vital Sign Measurements [ Time Frame: Up to Day 28 ]
- Percentage of Participants With Clinically Significant Changes in Laboratory Assessments [ Time Frame: Up to Day 28 ]
- Percentage of Participants With Clinically Significant Changes in Electrocardiogram (ECG) Measurements [ Time Frame: Up to Day 28 ]
- Percentage of Participants With Change in Baseline for Responses on the Columbia Suicide Severity Rating Scale (C-SSRS) [ Time Frame: Baseline and Days 1, 7, 14 and 28 ]The C-SSRS scale consists of a baseline evaluation (at screening) that assesses the lifetime experience of participants with suicidal ideation (SI) and suicidal behavior (SB) and a postbaseline evaluation that focuses on suicidality since the last study visit. The C-SSRS includes 'yes' or 'no' responses for assessment of suicidal ideation and behavior as well as numeric ratings for severity of ideation, if present (from 1 to 5, with 5 being the most severe).

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, Learn About Clinical Studies.
Ages Eligible for Study: | 50 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Meet the following criteria for PD-MCI: Have a confirmed diagnosis of idiopathic PD according to 2015 Movement Disorder Society (MDS) clinical diagnostic criteria; Meet MDS Task Force Criteria for MCI in PD.
- Have a score of 20 to 25 (inclusive) on the Montreal Cognitive Assessment (MoCA) at Screening.
- Meet criteria for Hoehn & Yahr Stage I to III (mild to moderate motor severity) at Screening.
- Have stable motor symptoms for at least 4 weeks prior to screening, in the opinion of the investigator.
Exclusion Criteria:
- Have a diagnosis of dementia of any etiology, including but not limited to: Dementia associated with PD (probable or possible), Dementia with Lewy Bodies, Alzheimer's Dementia, and Vascular Dementia.
- Have any indication of parkinsonism other than idiopathic PD.
- In the opinion of the investigator, be experiencing unpredictable fluctuations in motor and/or nonmotor symptoms associated with PD.
- Have an ongoing central nervous system condition other than idiopathic PD, including active neurologic and/or nonremitted psychiatric disorders, in the opinion of the investigator.
- Have a history of brain surgery, deep brain stimulation, a significant head injury causing loss of consciousness greater than 30 minutes, or hospitalization due to a brain injury.
- Have experienced significant psychotic symptoms within the past 3 months, including those associated with PD medications, as determined by the investigator.

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): NCT04476017
Contact: Aaron Koenig | 617-949-5576 | Aaron.koenig@sagerx.com |
United States, California | |
Sage Investigational Site | Recruiting |
Long Beach, California, United States, 90806 | |
Contact clinicaltrialsinquiry@sagerx.com | |
United States, Florida | |
Sage Investigational Site | Recruiting |
Boca Raton, Florida, United States, 33486 | |
Contact clinicaltrialsinquiry@sagerx.com | |
Sage Investigational Site | Recruiting |
Port Charlotte, Florida, United States, 33980 | |
Contact clinicaltrialsinquiry@sagerx.com | |
Sage Investigational Site | Recruiting |
Saint Petersburg, Florida, United States, 33713 | |
Contact clinicaltrialsinquiry@sagerx.com | |
Sage Investigational Site | Recruiting |
West Palm Beach, Florida, United States, 33407 | |
Contact clinicaltrialsinquiry@sagerx.com |
Responsible Party: | Sage Therapeutics |
ClinicalTrials.gov Identifier: | NCT04476017 |
Other Study ID Numbers: |
718-CNP-201 |
First Posted: | July 17, 2020 Key Record Dates |
Last Update Posted: | March 23, 2021 |
Last Verified: | March 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Data sharing will be consistent with the results submission policy of ClinicalTrials.gov. |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
Parkinson's Disease Cognitive Dysfunction SAGE-718 |
Parkinson Disease Cognitive Dysfunction Parkinsonian Disorders Basal Ganglia Diseases Brain Diseases Central Nervous System Diseases |
Nervous System Diseases Movement Disorders Neurodegenerative Diseases Cognition Disorders Neurocognitive Disorders Mental Disorders |