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WithdrawnPhase 1

First-In-Human (FIH), Single Ascending Dose (SAD) Study of FluoroEthylNorMemantine (FENM)

Safety and Pharmacokinetics of a Novel NMDA Receptor Antagonist Against Brain Related Diseases in Healthy Adult Volunteers: First-in-human, Phase I, Single Dose-escalating, Open Label Study

Lead sponsor

ReST Therapeutics

Asset

Fluoroethylnormemantine (FENM)

Listed sites

1

Recruiting sites

-

Enrollment

-

actual

Study population

Alzheimer’s disease

Key I/E criteria

Age 18-45Male

Primary endpoint

Treatment-related adverse events

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT05921929
Org study IDRT-IS-G-H-2301

Timeline

Milestones

Study first posted2023-06-27actual
Study start2024-05-02actual
Primary completion2024-05-02actual
Study completion2024-05-02actual
Last update posted2024-05-03actual

Assets

Drug assets

Study populations

Who this study enrolls

Alzheimer’s disease

Eligibility

Who can enroll

Minimum age18 Years
Maximum age45 Years
SexMale
Healthy volunteersAccepted

Inclusion criteria

willing and able to sign written informed consent,
Body Mass Index (BMI) of 17.5 to 30.5 kg/m2, a total body weight >65 kg,
efficient contraceptive mean,
no major psychiatric disorder per the Mini-International Neuropsychiatric Interview (MINI) questionnaire,
normal laboratory tests results, arterial Blood Pressure/pulse rate, 12-lead Electrocardiogram recording

Exclusion criteria

evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, allergic disease including drug allergies, or other severe acute or chronic medical or psychiatric condition or laboratory abnormality,
history of febrile illness within 5 days prior to administration,
any condition possibly affecting drug absorption,
using of prescription drugs, vaccine, routine or as needed consumption of medications or herbal supplements,
having positive serology, positive urine test for drugs of abuse, a general medical or psychological condition or behavior, including current substance dependence or abuse,
history of drug or alcohol abuse within 1 year before screening,
consuming currently of nicotine containing products, any food or any beverage containing grapefruit or grapefruit juice within 48 h prior to administration,
having blood donation or loss of significant amount of blood within 2 months prior to study.

Endpoints (13)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Safety / tolerability / PK
9
Other (unclassified)
4

Safety / tolerability / PK

9 endpoints
Primary/protocol endpoint

Number of participants with treatment-related adverse events as assessed by CTCAE v4.0

Time frame:From single dose administration to the end of the study follow-up (2 weeks later)

event count, event

Secondary/protocol endpoint

To assess maximum plasma concentration [Cmax]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess time to Cmax [Tmax]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

time to event, event

Secondary/protocol endpoint

To assess last observed plasma concentration [Clast]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess time of the minimum concentration [Tmax]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess area under the plasma concentration-time curve from 0 to the end of the dose interval [AUC 0-tau]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess area under the plasma concentration-time curve from dosing (time 0) to the time of last measured concentration [AUC 0-last]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess total area under the plasma concentration-time curve from dosing (time 0) taken to the limit as the end time becomes arbitrarily large (infinity) [AUC 0-∞]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint

To assess terminal half-life, apparent elimination half-life [T1/2]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Other (unclassified)

4 endpoints
Secondary/protocol endpoint/low confidence

To assess minimum concentration within the dosing interval [Cmin]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

concentration, descriptive

Secondary/protocol endpoint/low confidence

To assess apparent oral clearance [CL/F]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

descriptive

Secondary/protocol endpoint/low confidence

To assess apparent volume of distribution [Vz/F]

Time frame:At pre-dose and at 2, 4, 6, 8, 10, 12, 24, 48, 96, 189, 264 and 336hours post-dose

descriptive

Secondary/protocol endpoint/low confidence

To assess preliminary exploratory time course of Brain Disease Neurotrophic Factor plasmatic levels of single ascending doses of the FENM

Time frame:At pre-dose, at Cmax (estimated at 6-8hours post-dose) and at 48, 72 and 264hours post-dose

descriptive

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 21, 2026
Endpoint classificationDelfa ADRD endpoint taxonomy
Results tableno registry results posted yet

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 21, 2026 snapshot.