Inhaler showdown: test vs. standard tiotropium in healthy people
NCT ID NCT03246581
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tested how a new tiotropium inhaler compares to the standard Spiriva Respimat in 40 healthy volunteers. The goal was to measure drug absorption levels, not to treat any disease. Results will help determine if the test inhaler works similarly to the approved version.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tiotropium
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
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
40 people
The number who actually took part.
- Started
-
Jul 2017
- Finished
-
May 2018
- Lead sponsor
-
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
-
18 to 55 years
- Sex
-
Anyone
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
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: * Healthy Volunteer * Willing and able to give informed consent * Willing to withhold all alcoholic beverages for 48 hours and all xanthine- containing foods and beverages for 24 hours prior to reporting to clinic * Subjects must agree to use an adequate method of contraception from admission through 12 weeks after last administration Exclusion Criteria: * Evidence or history of clinically significant abnormalities or disease or chronic respiratory disorders * Any presence or history of a clinically significant allergy including any adverse reaction to study drug * History of drug or alcohol abuse within the past 2 years * Smoked tobacco within the past 6 months or have a history of more than 10- pack years (number of packs smoked per day x number of years smoked) * Donation or loss of greater than 400 mL of blood within the previous 3 months * Have received any prescription medication within 4 weeks or investigational medication within 12 weeks of study (exception: contraceptives are permitted) * Have received any non-prescription medication within 14 days prior to dosing (exception: paracetamol use within 2 days) * Upper respiratory tract infection (excluding otitis media) within 14 days of the first study day, or lower respiratory tract infection within the last 3 months * If female, nursing, lactating or pregnant
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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.
Contacts and locations
Locations
-
3M Health Care
Loughborough, United Kingdom
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