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INNOSC Theranostics and
            Pharmacological Sciences                                             Preclinical study of GBpoietin biosimilar




                         A                                   B











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            Figure 1. Changes in the body weight and body temperature of the subjects. Body weight (A) and temperature (B) changes in single-dose toxicity studies.
            Changes in body weight (C) and temperature (D) in repeated-dose toxicity studies. Data are presented as mean ± standard deviation.

            3.3.1. Single-dose toxicity study                  and Treatment-3 (P = 0.07) groups, as shown in Figure 2F.
            The  change  in  RBC  count  was  significant  (P  <  0.05)  in   The amount of MCH was also measured, and the changes
            Treatment-1 (P = 0.02), Treatment-3 (P = 0.02), and   were found to be significant (P < 0.05) in Placebo
            Placebo (P = 0.00) groups but not significant (P > 0.05)   (P = 0.03) group but not significant (P > 0.05) in Treatment-1
            in Treatment-2 (P = 0.16), Treatment-4 (P = 0.14),   (P = 0.54), Treatment-2 (P = 0.91), Treatment-3 (P = 0.37),
            and Control groups (P = 0.43) as shown in  Figure  2A.   Treatment-4 (P = 0.97), and Control groups (P = 0.91) as
            A  significant (P < 0.05)  change in WBC count in   shown in Figure 2G. The changes in MCHC count were
            Treatment-1 (P = 0.05), Treatment-4 (P = 0.038), and   significant (P < 0.05) in Treatment-1 (P = 0.03) and
            Control (P = 0.001) groups was observed; however, the   Placebo (P = 0.06) groups; however, it was not significant
            changes  found  in  Treatment-2  (P  =  0.80),  Treatment-3   (P > 0.05) in Treatment-2 (P = 0.47), Treatment-3
            (P = 0.80), and Placebo groups (P = 0.86) were insignificant   (P = 0.28), Treatment-4 (P = 0.40), and Control (P = 0.90)
            (P  >  0.05),  as  shown  in  Figure  2B.  The  change  in  HGB   groups, where the initial and final values were very close to
            level was significant (P < 0.05) in Treatment-1 (P = 0.01),   each other as shown in Figure 2H.
            Treatment-3 (P = 0.00), and Placebo (P = 0.001) groups   3.3.2. Repeated-dose toxicity study
            but not significant (P > 0.05) in Treatment-2 (P = 0.11),
            Treatment-4 (P = 0.05), and Control (P = 0.27) groups, as   For the analysis of one-way ANOVA and t-test, the
            shown in Figure 2C. For the PLT count, we did not find   hematology parameters were compared between the
            any significant (P < 0.05) differences in all the groups;   measurements on day 0 and day 7 in all the study
            Figure  2D. The percentage of HCT was also checked,   groups. The RBC count increased in all study groups
            where the changes in HCT percentage were significant   but Treatment-1 and Treatment-2 groups showed the
            (P < 0.05) in Treatment-1 (P = 0.01), Treatment-3   highest count compared with Control and Placebo groups,
            (P = 0.02), and Placebo groups (P = 0.00) but not   as shown in  Figure  3A. The differences in RBC count
            significant (P > 0.05) in Treatment-2 (P = 0.218), Control   between the two treatment groups were very significant
            (P = 0.55), and Treatment-4 (P = 0.08) groups, as   (P = 0.0002). We also compared the differences between
            shown in  Figure  2E. The changes in MCV values were   the groups by doing a t-test, which showed significant
            significant (P < 0.05) in Treatment-1 (P = 0.02), Treatment-4   differences between Treatment-1 and Control (P = 0.002),
            (P = 0.01), and Placebo (P = 0.02) groups but not significant   Treatment-2 and Control (P = 0.002), Treatment-1 and
            (P > 0.05) in Treatment-2 (P = 0.20), Control (P = 0.86),   Placebo (P = 0.002), Treatment-2 and Placebo (P = 0.002)



             Volume 8 Issue 2 (2025)                        59                               doi: 10.36922/itps.5797
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