Clinical trial NCT00685347 (phase 2, status: completed)
Conditions: asthma, bronchoconstriction
ICD codes: J45.998, J82.83, J45.909, J45.991, J45.20, J45.30, J45.40
Drugs: levalbuterol hfa mdi, racemic albuterol
SMILES: [H][C@]12CC[C@]([H])(C[C@@H](C1)OC(=O)C(CO)C1=CC=CC=C1)[N+]2(C)C(C)C, CC(C)(C)NCC(O)C1=CC(CO)=C(O)C=C1
Eligibility criteria:

        Inclusion Criteria:

          -  Subject, male or female, must be between the ages of 6 to 11 years, inclusive, at the
             time of consent.

          -  Female subjects who are 8 years of age or older must have a negative serum pregnancy
             test.

          -  Subject must have a documented diagnosis of asthma for a minimum of 6 months prior to
             study start

          -  Subject must be in good health with the exception of their reversible airways disease
             and not suffering from any chronic condition that might affect their respiratory
             function.

          -  Subject must have a chest X-ray for the study or within 12 months prior to
             randomization.

          -  Subject's parent/legal guardian must be able to complete the diary cards and medical
             event calendars reliably on a daily basis and understand dosing instructions. Any
             minor subject who is not able to do this must have a parent/legal guardian who can
             assist them during the study with these activities.

        Exclusion Criteria:

          -  Female subject who is pregnant or lactating.

          -  Subject who has participated in an investigational drug study within 30 days of study
             start, or who is currently participating in another clinical trial.

          -  Subject whose schedule prevents him or her from starting study visits before 2:30-4:00
             PM.

          -  Subject who is unwilling or physically unable to perform the exercise challenges as
             described in the protocol.

          -  Subject who has travel commitments during the study that would interfere with trial
             measurements or compliance or both.

          -  Subject who has a history of hospitalization for asthma within 4 weeks prior to study
             start, or who is scheduled for in-patient hospitalization, including elective surgery
             during the course of the trial.

          -  Subject with a known sensitivity to levalbuterol or racemic albuterol, or any of the
             excipients contained in any of these formulations.

          -  Subject using any prescription drug with which albuterol sulfate administration is
             contraindicated.

          -  Subject with currently diagnosed life-threatening asthma defined as a history of
             asthma episodes requiring intubation, associated with hypercapnia, respiratory arrest,
             or hypoxic seizures within 3 months prior to study start.

          -  Subject with a history of cancer (exception: basal cell carcinoma in remission).

          -  Subject with hyperthyroidism, diabetes, hypertension, cardiac diseases or seizure
             disorders.

          -  Subject with a history of substance abuse or drug abuse within 12 months preceding
             study start.

          -  Subject with a history of cigarette smoking or use of any tobacco products.

          -  Subject with a documented history of bronchopulmonary aspergillosis or any form of
             allergic alveolitis.

          -  Subject who has suffered from a clinically significant upper or lower respiratory
             tract infection in the 3 weeks prior to study start.

          -  Subjects with unstable asthma; or who have had a change in asthma therapy; or a visit
             to the Emergency Department or hospital for worsening asthma within 4 weeks.

          -  Subject who is a staff member or relative of a staff member.