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CompletedNCT04096287Updated Feb 23, 2021

Safety and Tolerability of PNT001 in Healthy Adults

A Phase 1 interventional study of PNT001 and Placebo in Healthy, sponsored by Pinteon Therapeutics, Inc. Completed at 4 sites in United States. Open to participants aged 21 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2021-02-23.

Sponsored by Pinteon Therapeutics, Inc · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Feb 2021, 5 years 7 months ago, and no results have been posted to the registry.
Phase
Phase 1
Study type
Interventional
Enrollment
49
Allocation
Randomized
Ages
21 Years to 65 Years
Sex
All
01

Study summary

This first in human study is a multi-center, randomized, double-blind, placebo-controlled single ascending dose study to evaluate the safety, tolerability, pharmacokinetics, and immunogenicity of intravenous PNT001 in healthy adult participants.

Read the detailed description

This Phase 1 clinical trial is a multicenter, double-blind, single ascending dose trial evaluating safety in up to a total of 48 participants across up to 6 dose cohorts, 5 planned and 1 to be determined if an additional dose group is required. Each cohort will include 8 participants (6 active, 2 placebo) who will receive a single dose of either PNT001 or placebo. Within each cohort a sentinel group of 2 participants (1 active, 1 placebo) will be enrolled to evaluate safety and tolerability before enrolling the full cohort. If there are no safety concerns (as determined by the data and safety monitoring board [DSMB]), the remaining 6 participants (randomized as 5 active, 1 placebo) will be enrolled. This process will be followed for all additional cohorts.

After screening, and laboratory assessments at Day -1, eligible participants will be admitted to the research unit on Day 1 (or Day -1 at Investigator's discretion), where they will remain for three (or four) nights with standardized meals provided during their inpatient stay. On Day 1, participants will be randomized to receive either active drug or placebo. Study medication will be administered as a single i.v. infusion over 30 minutes (up to 60 minutes for doses greater than 2,700 mg), followed by collection of safety, tolerability, and PK data over 16 weeks. Participants will be discharged on Day 4 and will return for an outpatient study visit on Day 5 (may be phone or clinic visit), and to the study site on Days 7, 14, 28, 42, 56, 70, 84, 98, and 112.

02

Conditions studied

  • Healthy
03

In context

Lead sponsor

Pinteon Therapeutics, Inc is the lead sponsor of 2 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
21 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • The participant provides written informed consent.
  • The participant is a male or female (not of childbearing potential), 21 to 65 years of age at time of screening.
  • Female participants must have documented proof that they are not of childbearing potential and must not currently be breastfeeding.
  • Male participants must agree to use barrier contraceptives plus spermicide and refrain from sperm donation during the entire study and for 200 days after dosing has been completed.
  • The participant must not have participated in a clinical drug trial within 3 months of study start, or within 5 half-lives, unless the study blind has been broken and the participant was known to be on placebo
  • The participant must have a body mass index of 18.5 to 30 kg/m\^2

Exclusion criteria

Exclusion Criteria:

  • Any contraindication or inability to undergo lumbar puncture due to anticoagulant use, platelet level, or coagulation study/INR result
  • Any significant acute or chronic medical illness
  • Any history of cancer within 5 years of enrollment, with the exception of resected skin basal cell carcinoma
  • Any major surgery within 4 weeks of study drug administration
  • Donation of blood or serum > 500 mL to a blood bank or in a clinical study (except screening visit) within 3 months of study drug administration
  • Inability to undergo venipuncture or tolerate venous access
  • A history of smoking or using tobacco products within 3 months before study drug administration
  • A history of drug or alcohol abuse as defined in DSM V, Diagnostic Criteria for Drug and Alcohol Abuse
  • Evidence of any clinically significant neurological or psychiatric disorder that could interfere with study assessments as determined by investigator and sponsor
  • A history or current status of schizophrenia, schizoaffective disorder or bipolar disorder, untreated major depression (DSM-V or ICD-10 criteria)
  • Any significant illness or infection requiring intervention within the prior 30 days as determined by the investigator and sponsor
  • An indication of potential suicidality risk based on the C-SSRS assessment
  • Any of the following abnormalities:
  • serum creatinine > 1.5 mg/dL at screening
  • AST or ALT > 2x the upper limit of normal at screening
  • blood pressure > 140/90 Hg at screening or baseline
  • QTcF > 470 msec at screening or baseline
  • A known hypersensitivity to any components of the PNT001 drug product or placebo (5% dextrose)
  • Current use of or plan to use any medication (prescription or over-the-counter) that would potentially affect the assessment of the pharmacokinetics, pharmacodynamics, or immunogenicity of PNT001
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Sequential assignment
Masking
Double (Participant, Investigator)
Enrollment
49 participants (actual)

Study arms

  • Experimental
    PNT001

    Single escalating doses of intravenous PNT001 administered as a 30 minute infusion at doses of 33mg, 100mg, 300mg, 900mg, 2700mg, and as a 60 minute infusion at 4000 mg

    Biological: PNT001

  • Placebo comparator
    Placebo

    Single intravenous dose of vehicle administered as a 30 minute infusion up to 2700 mg and as a 60 minute infusion at 4000 mg

    Drug: Placebo

Interventions

  • BiologicalPNT001

    PNT001 diluted in 5% dextrose

  • DrugPlacebo

    5% dextrose

06

What researchers measure

Primary outcomes

  1. Incidence of Treatment Emergent Adverse Events

    assess adverse events during 16 week duration of study

    Time frame: 16 weeks

  2. Incidence of Treatment Emergent Clinical Laboratory Test Abnormalities

    measure clinical laboratory values during 16 week duration of study

    Time frame: 16 weeks

  3. Incidence of Treatment Emergent Abnormalities in Physical Examination Findings

    observe skin, eyes, ears, nose, throat, cardiac and pulmonary status, abdomen, and extremities for any abnormalities

    Time frame: 16 weeks

  4. Incidence of Treatment Emergent Abnormalities in Neurological Examination Findings

    perform a neurological assessment of orientation, cranial nerve function, limb function for presence of involuntary movements, muscle mass, tone, and strength, coordination, reflexes, sensation, joint position, gait, Romberg test

    Time frame: 16 weeks

  5. Incidence of Treatment Emergent Abnormalities in Blood Pressure

    measure resting pulse rate as beats per minute

    Time frame: 16 weeks

  6. Incidence of Treatment Emergent Abnormalities in Pulse Rate

    measure systolic and diastolic blood pressure in mmHg

    Time frame: 16 weeks

  7. Incidence of Treatment Emergent Abnormalities in 12 lead Electrocardiogram Assessment

    measure QT and calculate QTcF value

    Time frame: 16 weeks

Secondary outcomes

  1. Pharmacokinetic properties of PNT001 in Serum

    measure concentration of PNT001 in serum

    Time frame: 16 weeks

  2. Pharmacokinetic properties of PNT001 in Cerebrospinal Fluid (CSF)

    measure concentration of PNT001 in CSF

    Time frame: 28 days

Other outcomes

  1. Pharmacodynamic effects of PNT001 in Cerebrospinal Fluid - total tau

    measure CSF concentrations of total tau

    Time frame: 28 days

  2. Pharmacodynamic effects of PNT001 in Cerebrospinal Fluid - cis-pT231 tau

    measure CSF concentrations of cis-pT231 tau

    Time frame: 28 days

  3. Pharmacodynamic effects of PNT001 in Cerebrospinal Fluid - total pT231 tau

    measure CSF concentrations of total pT231 tau

    Time frame: 28 days

  4. Pharmacodynamic effects of PNT001 in Cerebrospinal Fluid - NfL

    measure CSF concentrations of Neurofilament Light Chain (NfL)

    Time frame: 28 days

  5. Pharmacodynamic effects of PNT001 in Serum - NfL

    measure serum concentrations of Neurofilament Light Chain (NfL)

    Time frame: 28 days

  6. Immunogenicity of PNT001 - ADA

    measure presence of antidrug antibodies (ADA) in serum

    Time frame: 16 weeks

07

Study locations

4 sites
  • Woodland Research Northwest
    Rogers, Arkansas 72758, United States
  • Pacific Research Network, Inc.
    San Diego, California 92103, United States
  • Hassman Research Institute
    Marlton, New Jersey 08053, United States
  • Worldwide Clinical Trials
    San Antonio, Texas 78217, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 23, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04096287
Lead sponsor
Pinteon Therapeutics, Inc
Responsible party
Sponsor
First posted
Sep 19, 2019
Start date
Sep 17, 2019
Primary completion
Feb 15, 2021
Completion
Feb 15, 2021
Last update
Feb 23, 2021

Study contacts

Larry D. Altstiel, MD, PhD
study director · Pinteon Therapeutics, Inc

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Feb 2021. You cannot join it, but the record below documents what was studied.

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