Status:

RECRUITING

A First in Human Single Ascending Dose (SAD) Study of ATI-1013 in Healthy Smokers

Lead Sponsor:

Antidote Therapeutics, Inc

Collaborating Sponsors:

National Institute on Drug Abuse (NIDA)

National Institutes of Health (NIH)

Conditions:

Thromboangiitis Obliterans (Buerger's Disease)

Eligibility:

All Genders

23-59 years

Phase:

PHASE1

Brief Summary

This study is a first-in-human clinical trial of drug ATI-1013, in healthy adult cigarette smokers. The main questions it aims to answer are to learn about the safety of drug ATI-1013, how long drug A...

Eligibility Criteria

Inclusion

  • Inclusion Criteria
  • Provides written informed consent before any study procedures
  • Age 23 to 59 years, inclusive
  • Body weight ≥50 kg at Screening
  • Body mass index (BMI) 18.5-29.9 kg/m² at Screening
  • In good health with no medically significant conditions, in the opinion of the Investigator
  • Current smoker, ≥10 cigarettes per day for ≥2 years, with no abstinence \>6 months
  • Female participants must agree not to donate ova during the study and for 90 days after dosing
  • Female participants of childbearing potential must use an acceptable, effective method of birth control from 30 days prior to Screening through 90 days after dosing
  • Female participants of non-childbearing potential must be surgically sterile (hysterectomy, bilateral salpingectomy, bilateral oophorectomy, or tubal ligation) or postmenopausal (≥1 year without menses)
  • Male participants must agree to use contraception and not donate sperm for 90 days after dosing
  • Willing to abstain from all other tobacco products from Day -2 through Day 84
  • Willing to abstain from all other nicotine products from Day -2 through Day 84
  • Willing to abstain from smoking regular cigarettes:
  • Approximately 18 hours from evening of Day -2
  • Approximately 42 hours from evening of Day -1
  • Exclusion Criteria
  • Pregnant, breastfeeding, or planning pregnancy
  • Positive serum pregnancy test at Screening or urine pregnancy test on Day -2 (women only)
  • Prior exposure to any anti-nicotine vaccine or antibody
  • Use of mentholated tobacco products within 30 days before Screening, unwilling to refrain during the study
  • History of severe allergic reaction to antibodies or vaccines (including Guillain-Barré syndrome)
  • Received any vaccination within 90 days prior to Screening
  • Clinically significant allergic adverse reaction (seasonal allergies allowed)
  • Use of systemic steroids or immunomodulating drugs within 90 days (inhaled steroids allowed)
  • History of cancer (except treated basal/squamous cell skin cancer), HIV, other immunodeficiency, or autoimmune disease
  • History of drug (excluding nicotine) or alcohol use disorder (DSM-5 criteria)
  • Clinically significant cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, neurological, or psychiatric disorder, as determined by the Investigator
  • Clinically significant abnormal clinical chemistry, hematology, or urinalysis at Screening or Day -2, in the opinion of the Investigator
  • COVID-19 within the past 6 months or ongoing symptoms likely attributable to COVID-19
  • Use of varenicline, bupropion, nicotine replacement therapy (NRT), or other anti-smoking pharmacologic treatments (including off-label nortriptyline, clonidine, or cytisinicline) within 90 days prior to Screening
  • Received an investigational product within 30 days (90 days for biologics) or 5 half-lives (whichever is longer) prior to Screening
  • Exhaled carbon monoxide (CO) \<8 ppm at Screening
  • Positive test for hepatitis B surface antigen, hepatitis C antibody, or HIV antibody at Screening
  • Positive urine alcohol test at Screening and/or Day -2
  • Positive urine drug test (e.g., cocaine, amphetamines, barbiturates, opiates, benzodiazepines, cannabinoids) at Screening and/or Day -2
  • Unwilling to abstain from xanthine-containing products (coffee, tea, cola, chocolate, energy drinks) within 24 hours prior to admission until discharge
  • Unwilling to abstain from alcohol or alcohol-containing products within 24 hours prior to admission until discharge
  • Significant blood donation or blood loss \>500 mL within 56 days before Screening
  • Plasma donation or loss within 30 days prior to Screening through Day 84
  • Hypersensitivity to the study drug, its excipients, or similar products
  • Unable or unwilling to comply with protocol requirements, restrictions, or instructions
  • Currently enrolled in another clinical study

Exclusion

    Key Trial Info

    Start Date :

    October 1 2025

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    September 30 2026

    Estimated Enrollment :

    15 Patients enrolled

    Trial Details

    Trial ID

    NCT07215923

    Start Date

    October 1 2025

    End Date

    September 30 2026

    Last Update

    October 15 2025

    Active Locations (1)

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    Dr. Vince Clinical Research

    Overland Park, Kansas, United States, 66212