Diabetic individuals provided with foot reflexology and hypoglycaemic agents show a significant change in measures of the disease as opposed to those who received hypoglycaemic agents alone where no significant change was observed. 

Wang, X. M., "Type II diabetes mellitus with foot reflex therapy," Chuang Koh Chuang Hsi I Chief Ho Teas Chi, Beijing, Vol. 13, Sept. 1993, pp 536-538

Results of study
Individuals diagnosed as diabetic, hypoglycaemic agents work better for those receiving reflexology work and the individuals show "marked improvement" in measures of the disease.

Zhi-qin, Duan et. al., "Foot Reflexology Therapy Applied On Patients with NIDDM (non-insulin dependent diabetic mellitus)," 1993 China Reflexology Symposium, p. 24