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Clinical Trial
. 1978 Jun;5(6):523-5.
doi: 10.1111/j.1365-2125.1978.tb01667.x.

Bronchodilator Effect of delta1-tetrahydrocannabinol

Free PMC article
Clinical Trial

Bronchodilator Effect of delta1-tetrahydrocannabinol

J P Hartley et al. Br J Clin Pharmacol. .
Free PMC article


1 delta1-trans-tetrahydrocannabinol, (delta1-THC) produces bronchodilatation in asthmatic patients. 2 Administered in 62 microliter metered volumes containing 50--200 microgram by inhalation from an aerosol device to patients judged to be in a steady state, it increased peak expiratory flow rate (PEFR) and forced expiratory volume in 1 second (FEV1). 3 The rate of onset, magnitude, and duration of the bronchodilator effect was dose related.

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