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. 2022 Nov 30;13:1018027. doi: 10.3389/fneur.2022.1018027

Table 5.

Adverse events included in the literature.

Adverse events Control(n) Intervention(n)
Rhinitis Placebo 3 ITSN 17
Headache/Dizziness Placebo 22 ITSN 19
RLZ 35
Musculoskeletal Injury/Pain Placebo 10 ITSN 12
RLZ 25
Nose bleed/ Nasal irritation Placebo 26 ITSN 68
Gastointestinal Symptoms/Diarrhea Placebo 32 ITSN 62
Fall Placebo 31 ITSN 5
RLZ 31
Rash Placebo 2 ITSN 3
Upper respiratory tract infection Placebo 2 ITSN 3
Respiratory/sinus symptoms Placebo 3 ITSN 7
Dental Placebo 1 ITSN 3
Infection Placebo 0 ITSN 2
Cardiovascular Placebo 0 ITSN 2
Nausea Placebo 4 ITSN 5
Cold symptoms Placebo 14 PLZ 14
Glucose level low/asymptomatic Placebo 4 PLZ 4
Swelling/edema of leg/ Peripheral edema Placebo 11 PLZ 7
RLZ 106
Anemia Placebo 4 PLZ 3
RLZ 26
Fatigue Placebo 5 PLZ 3
Increased confusion Placebo 5 PLZ 3
Insomnia Placebo 2 RLZ 5
Other (stroke, breast cancer, weakness, ophthalmic, hypoglycemia, hematological, hearing loss, endocrine) Placebo 18 ITSN 70

MTN, Metformin; ITSN, Intranasal insulin; PLZ, Pioglitazone; RLZ, Rosiglitazone.