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Relative bioavailability of scopolamine dosage forms and interaction with dextroamphetamine.

Author(s): Boyd JL, Du B, Vaksman Z, Locke JP, Putcha L

Affiliation(s): Universities Space Research Association, Houston, TX, USA.

Publication date & source: 2007-07, J Gravit Physiol., 14(1):P107-8.

Publication type: Randomized Controlled Trial

The NASA Reduced Gravity Office (RGO) uses scopolamine (SCOP) alone and in combination with dextoamphetamine (DEX) to treat motion sickness symptoms during DC-9 parabolic flights. The medications are sometimes dispensed as custom dosage forms in gelatin capsules for convenience. Reports of treatment failure during flights by the flight surgeons suggest that these formulations may be less efficacious for the treatment of motion sickness due to unreliable and inadequate bioavailability. We estimated bioavailability of four different oral formulations used by the NASA RGO physicians for the treatment of motion sickness.

Page last updated: 2008-06-22

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