不良反应比较轻微，包括给药部位发红。
Adverse events reported were mild, he said, and included redness at the administration site.
口服结肠靶向给药在治疗肠道疾病方面具有使用方便、结肠部位药物浓度较高的优点；
The oral colon specific targeting drug-delivery system(OCSTDS) are easy to use and can increase the local drug level of colon in treatment of gastrointestinal diseases.
靶向给药可使治疗部位的药物浓度明显提高可减少用药量并使治疗费用降低降低药物对全身的毒副作用。
Targeted drug delivery can significantly increase the concentration of the drug in treatment site, and decrease the dosage of drugs, cost of treatment and the drug's adverse effects on the body.
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