New inhaled asthma drug begins first human safety trial
NCT ID NCT07665892
First seen Jun 25, 2026 · Last updated Sep 03, 2026 · Updated 5 times
Summary
This early-stage trial tests a single inhaled dose of ASY202, a drug containing dihydroergotamine, in 40 adults with stable asthma. The study is randomized and placebo-controlled, meaning some participants get the drug and some get an inactive powder. The main goal is to check safety and how the drug moves through the body, not yet to prove it works.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ASY202 (dihydroergotamine dry powder for inhalation)
- What this could lead to
- If safe and effective, this could point toward a new inhaled treatment to ease asthma symptoms.
- What could go wrong
- This is a very early Phase 1 safety trial with only 40 people, so it may not show clear benefit or could have side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged 18-55 years * Diagnosed asthma * Stable asthma treatment * Non smoker * BMI 18.5-35 kg/m² * Women of childbearing potential and men agree to use acceptable contraception Exclusion Criteria: * Asthma exacerbation requiring systemic steroids, ER visit, or hospitalization within 3 months * Respiratory tract infection within 4 weeks prior to screening * Use of oral or IV corticosteroids * Use of prohibited medications (e.g., CYP3A4 modulators, triptans, vasoconstrictors, QT prolongers, theophylline, systemic steroids) * Other lung diseases (e.g., Chronic Obstructive Pulmonary Disease (COPD)) or conditions interfering with spirometry * Unstable asthma or unresolved safety concerns before dosing * Clinically significant cardiovascular disease or ECG abnormalities contraindicating DHE * Three or more risk factors for Coronary Artery Disease (CAD) (hypertension, hypercholesterolemia, smoker, obesity, diabetes, strong family history of CAD, females who are surgically or physiologically postmenopausal, or males who are over 40 years of age) * Pregnancy, breastfeeding, or unwillingness to use required contraception
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Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
Locations
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CenExel- Anaheim Clinical trials LLC
RECRUITINGAnaheim, California, 92801, United States
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Sun City Clinical Research
ACTIVE_NOT_RECRUITINGGlendale, Arizona, 85304, United States
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Worldwide Clinical Trials- Early Phase Research Unit
WITHDRAWNSan Antonio, Texas, 78217, United States