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Innovative Medicines & Omics                                                 Pharmacotherapy of obesity



            to cognitive methods in an effort to address factors of   the patient to attain major weight loss, but it does require
            influence in weight loss and long-term maintenance.   sensitive counseling and also well-oriented medical team
            This approach includes self-monitoring, goal setting,   participation, including psychologists, dietetics, and
            problem-solving, and preventing relapse – specifically   specialized healthcare professionals. The patients should
            adapted to the needs of the patient. Weight loss effect   be informed about the potential complications and realistic
            of this approach is considerable, evidenced by patients   expectations of success. 51
            reporting achievement of as much as 15% body weight
            reduction after 12 months, suggesting that this therapy   11. Pharmacotherapy of obesity
            may prove to be more effective than traditional weight-  The criteria for an obese patient to start medication include
            loss programs. 47                                  low motivation and commitment, uncontrolled BMI, and
                                                               failed lifestyle modifications.  The early treatment along
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            10.4. Lifestyle modifications                      with  progressive  behavior  modification  is  one  of  the
            Both sleep and stress are significant contributors to the   most important steps. An obese individual may consider
            reduction in obesity. For instance, poor sleep duration such   starting medication when their BMI is 27 or higher with
            as 5.5 h is associated with less fat loss and higher losses of   at least one comorbidity, or when their BMI is 30 or
            muscle mass compared to sufficient sleep, which is usually   above.  Medical treatments combined with behavioral
                                                                    49
            considered to be 8.5 h of sleep, besides having higher levels   and psychological interventions may achieve appropriate
            of hunger and changes in the way fat is metabolized in   weight loss and enhancement of long-term success despite
            the body. Sleep deficiency keeps the human body fueled   previous difficulties in weight management.   Table  1
                                                                                                     53
            with hunger, hence probably leading to overeating and   reviews the approved medications for obesity management,
            interference with losing weight.  Furthermore, emotional   recommended dosage, mechanism of action, possible side
                                     48
            stress linked to sleep disturbance may exacerbate obesity,   effects, and contraindications, whereas  Figure  1 shows
            and thus underscore the need for major management in   the timeline of the Food and Drug Administration (FDA)
            the treatment of obesity. 49                       approval of these drugs.
            10.5. Support groups and counseling                11.1. Orlistat

            Support systems for obesity can be strengthened by   Orlistat is the saturated derivative of lipstatin, a potent
            adopting global strategies, interdisciplinary collaboration,   natural inhibitor of pancreatic lipases isolated from the
            and systems such as mapping and modeling. Furthermore,   bacterium  Streptomyces toxytricini. However, due to its
            the  adoption  of  both  traditional  approaches  and  new   relative simplicity and stability, orlistat was chosen over
            methods, while bridging gaps of research and education   lipstatin for development as an anti-obesity drug. Orlistat
            with policy and action, should improve the prevention and   prevents fat from being absorbed, hence decreasing the
            control of obesity.  Moreover, the establishment of support   overall caloric intake. It has been documented to cause
                          49
            groups that include patients, dietitians, personal trainers,   significant reduction of body weight, visceral fat, and its
            and psychologists helps patients stay more consistent and   related disorders such as hypercholesterolemia, insulin
            dedicated to their weight loss endeavor.           resistance, and blood glucose levels in clinical tests. Recent
                                                               studies have also considered its use in cancer treatment.
            10.6. Bariatric surgery                            Orlistat,  in  fact,  has  emerged to  inhibit  tumor  growth
            Bariatric surgery is a choice for those obese patients, where   through interference with key cellular pathways, induction
            other  treatments have  failed,  generally  in  people  with  a   of tumor cell death, and interference with the growth
            BMI above 40 or those with a BMI above 35 with comorbid   cycle. The involvement of orlistat in obesity and cancer
            conditions. There are many different surgical techniques,   underlines its other important therapeutic role beyond
            spanning from laparoscopic to open procedures,     weight management. As an inhibitor of gastrointestinal
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            all of which lead to greater weight loss compared to   lipase, orlistat plays an important role by inhibiting
            conservative management and improvement in obesity-  enzymes in lipid metabolism, preventing triacylglycerol
            related comorbid conditions.  Surgery is indicated for   from undergoing hydrolysis to fatty acids and nitro-
                                    50






                                       Figure 1. Timeline of FDA approval for obesity management drugs
                                            Abbreviation: FDA: Food and Drug Administration.


            Volume 2 Issue 2 (2025)                         6                                doi: 10.36922/imo.8316
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