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Amniotic bladder therapy: six-month follow up treating interstitial cystitis/bladder pain syndrome
Jun  2024 (Vol.  31, Issue  3, Pages( 11898 - 11903)
PMID: 38912944

Abstract

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  • Introduction:

    Interstitial cystitis/bladder pain syndrome (IC/BPS) is characterized by chronic pelvic pain and usually accompanies lower urinary tract symptoms. We have previously reported that amniotic bladder therapy (ABT) provides symptomatic improvement in refractory IC/BPS patients for up to 3 months. Herein, we evaluated the durability of ABT up to 6 months.

    Materials and methods:

    Consecutive IC/BPS patients received intra-detrusor injections of 100 mg micronized amniotic membrane. Clinical evaluation and patient-reported outcome measurements including Interstitial Cystitis Symptom Index (ICSI), Interstitial Cystitis Problem Index (ICPI), Bladder Pain/ Interstitial Cystitis Symptom Score (BPIC-SS) and Overactive Bladder Assessment Tool (OAB) were assessed.

    Results:

    Twenty-five consecutive recalcitrant IC/BPS patients were included in the study with an average age of 47.4 ± 14.4 years (29-67 years). After ABT, the IC/BPS symptoms improved gradually up to 3 months in all patients with an average improvement in ICSI, ICPI, BPIC-SS and OAB score of 72.8%, 71.9%, and 66.6%, (p < 0.001) respectively, at 3 months. At 4 months after ABT, 7 patients experienced a rebound in symptoms and requested another injection which resulted in a significant improvement in IC/BPS symptoms after 2, 4, and 8 weeks (p < 0.01). For the 18 patients who received only one injection, the IC/BPS symptoms were still significantly lower at 5 and 6 months compared to baseline (p < 0.01), suggesting a possible durable effect based on the ICSI, ICPI, BPIC-SS, and OAB questionnaire scores.

    Conclusions:

    ABT provided an improvement in pain and lower urinary tract symptoms up to 6 months post-treatment in some refractory IC/BPS patients.