Table 1

- Characteristics of the studies included in this scoping review.

AuthorsCountriesStudy designsSample sizesFemale (%)Age (yrs)Population/diagnosisAnti-obesity medication (intervention)Duration of intervention (months)Route of AOM administrationDosage of AOMFrequency of AOMPrimary outcome(s)Risk of bias (RoB)
Non-randomized studies (n=53)
Bashier et al32UAERetrospective cohort study5474.0%50.6±11.1Adult/T2DMExenatide6.0Subcutaneous0.005-0.01 mgTwice dailyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c)Moderate
Bashier et al33UAEProspective cohort study46371.0%50.4±10.0Adult/T2DMLiraglutide6.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c)Moderate
Mosli et al34Saudi ArabiaRetrospective cohort study10871.3%33.7±9.1Adult/obesity undergone bariatric surgeryLiraglutide6.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and BMI)Low
Alharbi et al25Saudi ArabiaProspective cohort study45-51.5±12.9Adult/T2DMLiraglutide6.0Subcutaneous0.6-1.8 mgOnce dailyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c and BP)N/A
Shaghouli et al21KuwaitRetrospective case series---Adult/T2DMLiraglutide15.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW)N/A
Elhag et al68QatarRetrospective cohort study12986.0%42.9±10.4Adult/obesityLorcaserin & phentermine3.0OralLorcaserin: 10 mg; phentermine: 37.5 mgLorcaserin: twice daily; phentermine: once dailyEffect on anthropometric parameters (TBW, BMI, and weight loss proportion %)Moderate
Allum et al20UAERetrospective cohort study4170.7%37.6±8.1Adult/obesity undergone bariatric surgeryLiraglutide≥4.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and BMI)N/A
Almarshad et al69Saudi ArabiaCase report10.0%35Adult/obesityLiraglutide1.5Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and BMI)High
Albarkah et al35Saudi ArabiaProspective cohort study3855.2%50.6±10.8Adult/T2DMLiraglutide12.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c and BP)High
Buckley et al36UAERetrospective cohort study322--Adult/obesityLiraglutide13.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (weight loss proportion %)Moderate
Suliman et al37UAEProspective cohort study2,09275.0%38*Adult/obesityLiraglutide≥4.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (weight loss proportion %)Moderate
Al Hayek et al38Saudi ArabiaProspective cohort study7153.1%48.7±10Adult/T2DM, obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyPatient satisfactionHigh
Khedr et al39EgyptPilot of non-randomized controlled trial16050.0%46.4±5.9Adult/obesityOrlistat2.0Oral120 mgTwice daily for 30 days, followed by once daily for 30 daysEffect on anthropometric parameters (TBW)Moderate
Allum et al26UAERetrospective cohort study9065.6%40±13.5Adult/obesityNB3.0Oral8/90 mgStart with once daily, increasing weekly to 4 times dailyEffect on anthropometric parameters (TBW)N/A
Non-randomized studies (n=53)
Aboddy et al40IraqRetrospective cohort study11781.1%-Adult/obesityMetformin, Orlistat4.0Oral500 mg3 time dailyEffect on anthropometric parameters (BMI and weight loss proportion %)Moderate
Alshahrani et al30Saudi ArabiaCross-sectional study40428.2%-Adult/obesityNon-prescribed weight reduction products----Assess the relationship between BMI and weight reduction products, specifically focusing on the perceptions and usage patterns of non-prescribed WRPsN/A
Alrowais et al70Saudi ArabiaCross-sectional study6854.4%54.4±9.5Adult/T2DM, obesityLiraglutide12.0Subcutaneous0.6-1.8 mgOnce dailyEffect on anthropometric parameters (TBW and BMI)High
Albaker et al71Saudi ArabiaRetrospective cohort study25887.0%37.8±1.0Adult/obesityLiraglutide≥4Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW)Moderate
Hussein et al41EgyptNon-randomized controlled trial100100.0%37.7±11.8Adult/obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (BMI, WC, and WHR)Moderate
Suliman et al22UAEProspective cohort study78775.0%38.0*Adult/obesityLiraglutide≥4---Effect on anthropometric parameters (weight loss proportion %)N/A
Rahmah et al42IraqRetrospective cohort study2748.1%48±9.2†Adult/T2DM, obesityLiraglutide7.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (weight loss proportion %)Moderate
Aleidi et al43Saudi Arabia, JordanProspective cohort study10161.5%45.3±10.5Adult/T2DM, obesityMetformin≥6.0Oral500 mg3 times dailyMetabolic changes of long-term use of metformin (Metabolite dysregulation)Moderate
Moujaes et al46LebanonRetrospective cohort study10080.0%41.9±12.5Adult/obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and WC)Moderate
Elhag et al44QatarRetrospective cohort study14582.8%43.3±10.5Adult/obesity undergone bariatric surgeryLiraglutide12.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW, BMI and weight loss proportion %)Moderate
Alanazi et al45Saudi ArabiaRetrospective cohort study20040.0%53±0.96†Adult/T2DMOrlistat6.0Oral120 mgOnce dailyEffect on anthropometric parameters (BMI); effect on cardiometabolic indices (Lipid panel and BP)Moderate
Jamal et al28KuwaitRetrospective cohort study89--Adult/obesity undergone bariatric surgerySemaglutide3.0---Effect on anthropometric parameters (TBW, BMI, and weight loss proportion %)N/A
Alshehri et al72Saudi ArabiaRetrospective cohort study39974.4%46.4±12.1Adult/obesityLiraglutide6.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and weight loss proportion %)Moderate
Jamal et al60KuwaitRetrospective cohort study5773.7%36.7±7.3Adult/obesity undergone bariatric surgeryLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW and weight loss proportion %)Moderate
Non-randomized studies (n=53)
Ajabnoor et al47Saudi ArabiaRetrospective cohort study7261.0%55±8.32Adult/T2DMLiraglutide or Semaglutide≥6.0SubcutaneousSemaglutide: ≥0.25 mg & liraglutide: 0.6-3.0 mgSemaglutide: once weekly & liraglutide: once daily doseEffect on anthropometric parameters (BMI); effect on cardiometabolic indices (HbA1c)Moderate
Alfadda et al29Saudi ArabiaProspective cohort study2864.0%36±11.6Adult/obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (weight loss proportion %); effect on cardiometabolic indices (HbA1c); effect on CAP scoreN/A
Allum et al27UAERetrospective cohort study8776.0%39.7*Adult/obesitySemaglutide6.0SubcutaneousAverage dose: ≥0.5 mgOnce weeklyEffect on anthropometric parameters (weight loss proportion %)N/A
Mawardi et al48Saudi ArabiaCase series3100.0%34±4.8Adult/obesitySemaglutide1.5, 3.0, 4.0SubcutaneousAverage dose: 0.5 mgOnce weeklyPossible association with secondary xerostomiaHigh
Farooqi et al49UAECase report1100.0%20Adult/obesityTirzepatide1.5Subcutaneous2.5-7.5 mgOnce weeklyPossible association with developing DVTHigh
Alidrisi et al50IraqProspective cohort study5560.0%46.5±8.7Adult/T2DM, obesityLiraglutide6.0Subcutaneous0.6-1.2 mgOnce dailyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c)Moderate
Buckley et al51UAERetrospective cohort study3,68659.2%54.1±11.5Adult/T2DM, obesityTirzepatide10.0Subcutaneous2.5-12.5 mgOnce weeklyEffect on cardiometabolic indices (HbA1c)Moderate
Alorayyidh et al23Saudi ArabiaProspective cohort study19--Adult/obesityLiraglutide13.0Subcutaneous0.6-3.0 mgOnce dailyInfluence of GLP-1 on liking behaviorN/A
Shaghouli et al24KuwaitProspective cohort study9178.0%43*Adult/obesitySemaglutide3.0Oral Once dailyEffect on anthropometric parameters (TBW, BMI, and weight loss proportion %)N/A‡
Alghamdi et al73Saudi ArabiaCase report1100.0%29Adult/obesitySemaglutide & dulaglutide3.0SubcutaneousSemaglutide: Average dose: 0.5 then 1.0 mg & dulaglutide: 1.5 mgOnce weeklyPossible association with developing autoimmune-like hepatitis and cholelithiasisHigh
Hussein et al52Saudi ArabiaCross-sectional study96100.0%-Adult/obesityLiraglutide, semaglutide, and orlistat Subcutaneous/oralLiraglutide: 6 mg; semaglutide: 1 mg; orlistat: 120 mgLiraglutide: once daily, semaglutide: once weekly, and orlistat: once dailyFrequent use of anti-obesity medication and herbal mixtures among college studentsHigh
Khalaf et al53Saudi ArabiaCross-sectional study36138.5%28±11.9Adult/PHC visitors     Evaluate knowledge, perception, and prevalence of anti-obesity medications usage among PHC visitors in Jeddah, Saudi ArabiaHigh
Alfadda et al54Saudi ArabiaProspective cohort study2365.0%36±10.9Adult/obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect in the plasma metabolomeHigh
Masood et al55Saudi ArabiaProspective cohort study20-36±11.1Adult/obesityLiraglutide3.0Subcutaneous0.6-3.0 mgOnce dailyEffect in the plasma metabolomeModerate
Gad et al56EgyptNon-randomized controlled trial18048.0%47.3±6.0Adult/T2DM, obesity, MASLDSemaglutide12.0Subcutaneous: ozempic; oral: rybelsusOzempic: average 0.25-2.0 mg; rybelsus: 3.0 mg with titrationOzempic: once weekly; rybelsus: once dailyEffect on anthropometric parameters (BMI); effect on cardiometabolic indices (LFT, and Lipid profile); effect on liver fibrosis parametersModerate
Non-randomized studies (n=53)
Albahli et al57Saudi ArabiaRetrospective cohort study10255.2%60.4±8.8Adult/T2DM, dyslipidemiaDulaglutide3.0Subcutaneous1.5 mgOnce weeklyEffect on some cardiometabolic indices (triglycerides and LDL-C levels)High
Albargawi et al58Saudi ArabiaRetrospective cohort study20577.4%52±10.9Adult/T2DMDulaglutide12.0Subcutaneous1.5 mgOnce weeklyEffect on anthropometric parameters (TBW, and BMI); effect on cardiometabolic indices (HbA1c)High
Alenzi et al59Saudi ArabiaRetrospective cohort study36350.4%52.6±8.0Adult/T2DM, obesitySemaglutide12.0SubcutaneousAverage dose: 0.5 or 1.0 mgOnce weeklyEffect on anthropometric parameters (TBW, and BMI); effect on cardiometabolic indices (HbA1c)Moderate
El-Mezayen et al78EgyptCross-sectional study46298.4%-Adult/obesityLiraglutide, orlistat, metformin    Effect on anthropometric parameters (BMI) during COVID-19 pandemicHigh
Alshahawey et al31EgyptCost effectiveness analysis---Adult/obesitySemaglutide/liraglutide17.0SubcutaneousSemaglutide: 2.4 mg; Liraglutide: 3.0 mgSemaglutide: once weekly; Liraglutide: once dailyCompare the cost and clinical outcomes of semaglutide vs. liraglutide on weight loss in people with overweight and obesityN/A§
Jamal et al61KuwaitRetrospective cohort study11580.9%38.8±10.4Adult/obesity undergone bariatric surgerySemaglutide or tirzepatide6.0SubcutaneousSemaglutide: 0.25 mg; Tirzepatide: 2.5 mgWeekly, increasing dose regimenEffect on anthropometric parameters (TBW, and weight loss proportion %)High
Abdelmannan et al62UAERetrospective cohort study33858.0%57.0±9.3Adult/T2DMExenatide, liraglutide, and dulaglutide12.0SubcutaneousExenatide: 2 mg; Liraglutide: 1.8 mg, Dulaglutide: 1.5 mgExenatide: once weekly; Liraglutide: once daily; Dulaglutide: once weeklyEffect on anthropometric parameters (TBW); effect on cardiometabolic indices (HbA1c)Moderate
Al Ghareeb et al74Saudi ArabiaCase report1100.0%38Adult/obesityLiraglutide3.0Subcutaneous0.6-3 mgOnce dailyEffect on anthropometric parameters (TBW, BMI, and weight loss proportion %)High
Zakaria et al63UAERetrospective cohort study11560.0%43.1±9.9Adult/obesity, prediabetesSemaglutide, liraglutide, and tirzepatide,6.0SubcutaneousSemaglutide: 0.25-1.0 mg; Liraglutide: 6.0 mg; Tirzepatide: 2.5-7.0 or 10.0 mgSemaglutide: once weekly; Liraglutide: once daily; Tirzepatide: once weeklyEffect on anthropometric parameters (TBW, BMI, weight loss proportion %, fat mass, and skeletal muscle mass)High
Iqbal et al64KuwaitCase report1100.0%21Adult/obesityTirzepatide0.75Subcutaneous5.0 mgOnce weeklyPossible association with developing ketoacidosis in non-diabetic adultsHigh
Randomized controlled trials (n=6)
Al-Kuraishy et al65IraqRandomized controlled trial990.0%41.5±2.9Adult/obesityOrlistat3.0Oral120 mgOnce dailyEffect on anthropometric parameters (BMI, visceral adiposity index); effect on cardiometabolic indices (lipid panel, BP, blood glucose)High
Randomized controlled trials (n=6)
Aziz et al75IraqPilot of randomized controlled trial5076.5%44.9±8.7Adult/metabolic syndromeMetformin3.0Oral500 mg3 times dailyEffect on anthropometric parameters (BMI, WC, VAI); effect on cardiometabolic indices (glycemic status, HbA1c, insulin resistance, lipid profile, LFT, kidney function)High
Esmail et al66IraqRandomized controlled trial5070.0%43.2±9.1Adult/NAFLDOrlistat3.0Oral120 mgOnce dailyEffect on anthropometric parameters (BMI, waist circumference, waist to height ratio, ABSI, ABF)High
Aljamal et al76JordanRandomized controlled trial600.0%-Adult/ObesityOrlistat1.0Oral120 mgOnce dailyEffect on cardiometabolic indices (lipid panel, BP, blood glucose)High
Aiad et al77EgyptRandomized controlled trial6088.0%51.6±5.9Adult/obesity, osteoarthritisMetformin3.0Oral500 mgTwice dailyEffect on serum levels of cartilage biomarkers (COMP, CTX-1, and IL-1b); effect on WOMAC score (pain, stiffness, functionality)Low
Hany et al67EgyptRandomized controlled trial8071.0%37.7±10.9Adult/obesity undergone bariatric surgeryLiraglutide6.0Subcutaneous0.6-3.0 mgOnce dailyEffect on anthropometric parameters (TBW, BMI, and weight loss proportion %) 

ABSI: a body shape index, BMI: body mass index, BP: blood pressure, CAP: controlled attenuation parameter, COMP: cartilage oligomeric matrix protein, COVID-19: coronavirus disease 2019, CTX-1: C-terminal telopeptide of type I collagen, GLP-1: glucagon-like peptide-1, HbA1c: hemoglobin A1c, IL-1b: interleukin-1 beta, LDL-C: low-density lipoprotein cholesterol, LFT: liver function test, MASLD: metabolic dysfunction - associated steatotic liver disease, NAFLD: nonalcoholic fatty liver disease, PHC: primary healthcare center, RoB: risk of bias, TBW: total body weight, UAE: United Arab Emirates, VAI: visceral adiposity index, WC: waist circumference, WHR: waist-to-hip ratio, WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index, WRPs: weight-reduction products

  • * Reported as the mean with no standard deviation.

  • These values are estimated on the basis of the data provided in the source studies, as the specific statistic was not explicitly reported.

  • RoB assessment not applicable; studies available only as abstracts.

  • § Standard RoB assessment not applicable to this economic analysis - indicates unavailable data.