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AsthmaPhase 1NCT06920901

A Study to Evaluate the Safety, Tolerability, Pharmacokinetics (PK), and Immunogenicity of APG777 in Adults With Asthma

A Phase 1 study testing APG777 in people with Asthma, run by Apogee Therapeutics, Inc. at 11 sites in 2 countries.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

This is a multicenter, randomized, double-blind, placebo-controlled study to evaluate the safety, tolerability, PK, and immunogenicity of APG777 in adult participants with mild-to-moderate asthma. Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Asthma
What is being tested?
APG777
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
31 participants
Where
11 sitesin 2 countries
Study dates
27 Mar 2025to Mar 2027
Phase
Phase 1
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Have a diagnosis of mild-to-moderate asthma (Global Initiative for Asthma 2023 criteria) ≥ 1 year prior to Screening
  • Maintain FeNO-high (≥ 25 parts per billion [ppb]) or FeNO-low (< 25 ppb) status from Screening to Day 1 prior to Randomization
  • Pre-bronchodilator forced expiratory volume in 1 second (FEV1) ≥ 60% of predicted normal value at Screening
  • Asthma Control Test (ACT) score > 19 at Screening
  • Maintained control on as-needed short-acting beta-agonist (SABA) +/- stable dose inhaled corticosteroids (ICS) or stable dose of ICS/ long-acting beta-agonist (LABA); +/- stable dose leukotriene receptor antagonist (LTRA). ICS dose should be stable for ≥ 12 weeks prior to Day 1, LTRA dose should be stable for ≥ 8 weeks prior to Day 1
  • Women of childbearing potential and male participants to use a highly effective form of contraception

Who cannot join

  • Any asthma exacerbation requiring systemic corticosteroids within 12 weeks of Screening and/or any asthma exacerbation that resulted in overnight hospitalization within 6 months prior to Screening
  • Any history of life-threatening asthma, defined as an asthma episode that required intubation and/or was associated with hypercapnia
  • History of biologics use for treatment or control of asthma
  • Current smokers or participants with a smoking history of ≥ 10 pack years
  • Known history of illicit drug abuse, harmful alcohol use
  • Note: Other protocol defined criteria may apply.

Trial locations and contacts

11 sites in 2 countries.

11 sites in 2 countries

United States9 sites
  • Investigational Site

    Edmond, Oklahoma, 73034

  • Investigational Site

    Kansas City, Missouri, 66160

  • Investigational Site

    La Jolla, California, 92037

  • Investigational Site

    Long Beach, California, 90808

  • Investigational Site

    Normal, Illinois, 61761

  • Investigational Site

    Philadelphia, Pennsylvania, 19140

  • Investigational Site

    Pittsburgh, Pennsylvania, 15241

  • Investigational Site

    San Jose, California, 95117

  • Investigational Site

    Torrance, California, 90505

Other trials in United States

United Kingdom2 sites
  • Investigational Site

    Bradford, West Yorkshire, BD9 6RJ

  • Investigational Site

    Manchester, M23 9QZ

Other trials in United Kingdom

About this study

Official title: A Phase 1b, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Immunogenicity of APG777 in Adults With Mild-to-Moderate Asthma

This is a multicenter, randomized, double-blind, placebo-controlled study to evaluate the safety, tolerability, PK, and immunogenicity of APG777 in adult participants with mild-to-moderate asthma.

The duration of the study will be approximately 52 weeks (364 days) for each participant and will consist of a Screening Period, Treatment Period, and Follow-up Period.

Conditions
Asthma
Being tested
APG777, Placebo
Keywords
Asthma, Mild to moderate asthma, Tolerability, Immunogenicity, Pharmacokinetics
Medical subject headings
Asthma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • APG777Drug

    APG777 subcutaneous injection

  • PlaceboDrug

    Matching placebo subcutaneous injection

Study groups in NCT06920901
Study groupRoleWhat they receive
APG777ExperimentalParticipants will receive protocol specified dose of APG7777
Receives: Drug: APG777
PlaceboPlacebo comparatorParticipants will receive matching placebo
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants with Treatment Emergent Adverse Events (TEAEs)

    Measured: Up to 52 weeks

  2. Number of Participants with Abnormal Laboratory Findings

    Measured: Up to 52 weeks

  3. Number of Participants with Abnormal Vital Signs

    Measured: Up to 52 weeks

  4. Number of Participants with Abnormal Electrocardiograms (ECGs)

    Measured: Up to 52 weeks

  5. Number of Participants with Abnormal Physical Examination Findings

    Measured: Up to 52 weeks

Secondary outcomes (12)
  1. Maximum concentration (Cmax) of APG777

    Measured: Up to 48 weeks

  2. Time to reach Cmax (tmax)

    Measured: Up to 48 weeks

  3. Terminal elimination rate constant (λz)

    Measured: Up to 48 weeks

  4. Terminal Elimination half-life (t1/2)

    Measured: Up to 48 weeks

  5. Area Under the Serum Concentration-time curve (AUC) from Time 0 to the Last Quantifiable Time Point (AUC0-last)

    Measured: Up to 48 weeks

  6. AUC From Time 0 Extrapolated to Infinity (AUC0-inf)

    Measured: Up to 48 weeks

  7. Apparent Clearance of APG777 (CL/F)

    Measured: Up to 48 weeks

  8. Apparent Volume of Distribution (Vz/F)

    Measured: Up to 48 weeks

  9. Number of Participants with Anti-Drug-Antibodies (ADAs)

    Measured: Up to 48 weeks

  10. Cmax in Participants With and without ADAs

    Measured: Up to 48 weeks

  11. AUClast Participants With and without ADAs

    Measured: Up to 48 weeks

  12. AUCInf Participants With and without ADAs

    Measured: Up to 48 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Apr 2025
  2. Study start27 Mar 2025
  3. Primary completion17 Sep 2026
  4. Study completionMar 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06920901
Sponsor's protocol ID
APG777-105
Status last verified
Oct 2026
First submitted
27 Mar 2025
Last updated
13 Oct 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No

Publications

  • Lim XQ, Winter E, Nograles K, Xu J, Zhang ZQ, Thankamony S, Dillinger L, Dambkowski CL. A First-in-Human, Single- and Multiple-Dose Study of APG777, a Half-Life-Extended Anti-IL-13 Monoclonal Antibody, in Healthy Volunteers. Clin Transl Sci. 2025 Dec;18(12):e70456. doi: 10.1111/cts.70456.

    PubMed 41422501

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing APG777 in people with Asthma, run by Apogee Therapeutics, Inc. at 11 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 13 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in United States, United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants with Treatment Emergent Adverse Events (TEAEs) (time frame: Up to 52 weeks). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06920901, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 13 Oct 2026.

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