Page 101 - ITPS-7-2
P. 101

INNOSC Theranostics and
            Pharmacological Sciences                                                                ABT for NDO



            IL-12,  TNF-α,  and NO  synthase  2.   The anti-scarring   promotion of long-term psychological and social well-
                                          15
            effect stems from preventing the expression of α-smooth   being may facilitate advances in medical care to further
            muscle actin (α-SMA) by pro-scarring myofibroblasts   extend the individual life spans of people with SCI. 19
            through the suppression of TGF-β1 promoter activity   An additional problem frequently encountered by these
            and canonical TGF-β signaling.  Recent studies have also   patients is  AD, a  potentially life-threatening  condition
                                     2
            displayed that the key component within AM, i.e., HC-HA/  of the autonomic nervous system with an exaggerated
            PTX3, can reprogram and de-differentiate pro-scarring   reflexive increase in blood pressure. This occurrence is
            myofibroblasts, which was mediated by SDF1-CXCR4   associated with severe headaches, bradycardia, facial
            signaling followed by the activation of canonical BMP   flushing, lower  extremity sweating, and  a significantly
            signaling.  These functions are especially relevant in   increased risk of stroke by 300% to 400%.  It is well known
                    16
                                                                                               20
            patients with NDO wherein pathologic processes, such as   that  NDO  can  increase  afferent  stimulation  and  trigger
            chronic  inflammation,  unabated  fibroblast proliferation,   AD episodes in patients with high-level lesions.  Thus, the
                                                                                                    21
            and persistent myofibroblast activation, coupled with   peripheral stimulation after high bladder pressures must
            excessive extracellular matrix deposition, can disrupt the   be resolved to prevent AD occurrence. Although the effect
            normal healing cascade and promote the development   of constipation on AD was not investigated in our study,
            of contractile fibrosis.  Hence, the use of ABT and other   it is well known that this can also be a factor leading to
                             17
            similar modalities  in patients  with NDO is  a promising   AD and its consequences in patients. In future studies, we
            therapeutic concept to reduce pathologic bladder   will exclude patients with heavy constipation or document
            inflammation and scarring in SCI patients.
                                                               methods of bowel evaluation. In our study, we found all
              In this study, we evaluated the ability of ABT to   patients had decreased episodes of AD at 12 weeks post-
            promote  rapid  symptomatic  improvements  and  long-  ABT, likely due to their high bladder pressures being
            term benefits in recalcitrant NGB patients with high-level   resolved. Patients progressed from experiencing ADs
            SCI. We have previously evaluated ABT in patients with   daily before injection to none after injection. While the
            interstitial cystitis/bladder pain syndrome, IDO, and RC   immediate  impact  on  QoL is  clear, future  studies  are
            and found symptomatic improvements as early as 2 weeks   warranted to monitor the prevention of longer-term
            post-injection.  Specifically, the RC and IDO patients also   complications (e.g., stroke) through the utilization of ABT.
                       3
            exhibited increased bladder capacity based on voided
            volume and MCC up to 12  weeks after ABT. Similarly,   This  was  the  first  study  to  investigate  ABT  for  the
            in the current study, we reported the promising effects   management  of  NDO  in  SCI  patients,  and this study
            of ABT for NDO with improvements in patient-reported   was not without limitations, which included the lack of
            outcomes and functional data. The severity of urinary tract   randomization, the small number of participants, and the
            symptoms improved by 32% at 2-week post-injection and   absence of a control group. Further studies to investigate
            64% at 3-month post-injection based on the total Qualiveen   the physiologic mechanism and duration of improvement,
            score. This was associated with a 50% reduction in MDP   as well as randomized placebo-controlled trials, should be
            and a 105% improvement in MCC at 3-month post-     performed to validate the promising results obtained in
            injection. More importantly, the MDP was <40 cmH O in   this study for ABT in neurogenic patients with SCI.
                                                      2
            all patients after treatment, thereby reducing the potential   5. Conclusion
            for upper urinary tract damage. The study also reported
            long-term implications as the patients were predominantly   We investigated ABT as a potential treatment option for
            young, with an average age of 39.6 ± 13.6 years, and had a   SCI-associated NDO. Further investigations are needed
            full life ahead of them.                           to  validate  the  effectiveness  of ABT  in  this  patient
                                                               population and determine treatment durability. More
              Aside from preserving renal function, urinary
            continence is also a significant factor affecting the patient’s   research is required to develop a better understanding of
                                                               the mechanisms through which ABT treats these complex
            QoL and long-term independence. The decreased bladder   disorders.
            compliance and increased pressure in these patients can
            lead  to persistent  incontinence  that  ultimately  damages   Acknowledgments
            the tissue integrity of the skin, which leaves patients
            susceptible to skin breakdown, such as pressure injuries and   None.
            incontinence-associated dermatitis.  Hence, increasing
                                         18
            bladder compliance in these patients can directly affect   Funding
            their overall QoL. Likewise, a better understanding and   None.


            Volume 7 Issue 2 (2024)                         5                                doi: 10.36922/itps.2037
   96   97   98   99   100   101   102   103   104   105   106