A Study to Evaluate the Efficacy and Safety of AK139 in Participants With Seasonal Allergic Rhinitis

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-65
SponsorAkeso

About this trial

This is a randomized, double-blind phase II clinical study to evaluate the efficacy and safety of AK139 in the treatment of participants with moderate to severe SAR

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Male or female aged 18-65.

Able to understand the study and voluntarily sign the ICF;

Diagnosed SAR according to the Criteria stated in the Chinese Guidelines for the Diagnosis and Treatment of Allergic Rhinitis (2022, Revised Edition), with or without allergic conjunctivitis, and have SAR history at least two years;

Have immunoglobulin E (Ig E)-mediated hypersensitivity to at least one pollen allergen in the current environment;

Disqualifiers

Type of rhinitis other than allergic rhinitis within 2 weeks before screening;

Allergic to any component of the investigational drug or intolerant to basis treatment..

Concomitant or associated nasal diseases/conditions that, as determined by investigators, may affect the severity of the disease and the evaluation of therapeutic effects.

Ongoing use of prohibited treatments. Washout periods detailed in the protocol have to be adhered to.

Trial design

Design model

Parallel

Treatments tested in this trial

  • AK139

    Drug

    AK139 regimen 1- subcutaneous injection.

  • AK139

    Drug

    AK139 regimen 2- subcutaneous injection

  • Placebo

    Drug

    Placebo-subcutaneous injection

Treatment groups

111 Participants
are divided into 3 treatment groups
Group A: AK139 regimen 1Experimental treatment 1 intervention
Group B: AK139 regimen 2Experimental treatment 1 intervention
Group C: PlaceboExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Mean change from baseline in daily reflective total nasal symptom scores (rTNSS) over 2 weeks of treatment

Time frame
Up to week 2
2

Incidence of adverse events (AEs)

Time frame
Up to week 12

Secondary outcomes

1

Mean change from baseline in daily rTNSS over 2 and 4 weeks of treatment

Time frame
Up to week 4
2

Mean change from baseline in the daily AM and PM reflective total nasal symptom score (AM and PM rTNSS) over 2 and 4 weeks of treatment

Time frame
Up to week 4
3

Serum AK139 concentration

Time frame
Up to week 12
4

Number of participants with detectable anti-drug antibodies (ADA) and neutralizing antibodies (Nab) after treatment.

Time frame
Up to week 12

Other outcomes

Sponsors and contacts

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This trial is not recruiting at the moment. You can still explore other options: