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. 2015 Nov 20;27:1137–1147. doi: 10.1007/s00192-015-2890-7

Table 2.

All studies included for comparison

Study (reference) Treatment Type of study Total sample Instillation protocol Follow-up Evaluation scale
Morales et al. [15] 0.8 % HMW-HA (Cystistat®) UCT 25 Weekly for 4 weeks and monthly for 12 months 12 months VAS for pain
Kallestrup et al. [42] UCT 48 Weekly for 4 weeks and monthly for 2 months 3 years VAS for pain
Gupta et al. [43] UCT 38 Weekly for 6 weeks 6 weeks ICSI-ICSP
Riedl et al. [16] UCT 121 Weekly and in response to symptoms 6.5 months VAS for pain
Engelhardt et al. [40] UCT 70 Weekly for 10 weeks 4.9 years VAS for pain
Shao et al. [34] CT 31 After hydrodistention, weekly for 4 weeks and monthly for 2 months 9 months VAS for pain
Lai et al. protocol A a [41] UCT 30 Weekly for 4 weeks and monthly for 5 months 6 months VAS for pain/ICSI-ICPI
Lai et al. protocol B a [41] UCT 30 Every 2 weeks 6 months VAS for pain/ICSI-ICPI
Steinhoff [44] 0.2 % CS (Gepan instill®) UCT 18 Weekly for 4 weeks and monthly for 12 months 12 months ICSI-ICPI
Nordling and van Ophoven [45] UCT 165 Weekly for 4 to 6 weeks and one monthly 3 months VAS for pain
Nickel et al. [46] 2 % CS (Uracyst®/Uropol S®) UCT 53 Weekly for 6 weeks and monthly for 4 months 6 months VAS for pain/ICSI-ICPI
Nickel et al. [35] CT 65 Weekly for 6 weeks 3 months VAS for pain/ICSI-ICPI
Nickel et al. [35] CT 98 Weekly for 7 weeks 3 months VAS for pain/ICSI-ICPI
Porru et al. [24] 1.6 % LMW-HA + 2 % CS (Ialuril®) UCT Weekly for 12 weeks and biweekly for 6 months 6 months VAS for pain/ICSI-ICPI
Porru et al. [47] UCT 22 Weekly for 8 weeks and biweekly for 6 months 6 months VAS for pain/ICSI-ICPI
Bade et al. [48] i-PPS 300 mgb (Elmiron®) UCT 20 Every 2 weeks for 3 months 3 months Not available
Bade et al. [37] CT 9 Twice weekly for 3 months 3 months ICSI/ICPI
Daha et al.[17] UCT 29 Twice weekly for 10 weeks; monthly for 6 months 12 months ICSI/ICPI
Davis et al. [38] i-PPS 200 mgc + daily o-PPS 400 mg
(Elmiron®)
CT 41 Twice a week for 18 weeks 18 weeks VAS for pain/ ICSI-ICPI
Sairanen et al. [39] DMSO UCT 37 Weekly for 6 weeks 3 months VAS for pain

CT controlled trials, UCT uncontrolled trials, VAS visual analogue scale, ICSI/ICPI O’Leary–Sant symptom index and problem index, i-PPS intravesical PPS, o-PPS oral PPS

aLai et al. corresponds to two effective protocols with HMW-HA evaluated in the same publication

bIntravesical instillation with 300 mg (three capsules) of Elmiron® + mixed with 50 ml of 0.9 % sodium chloride

c200 mg or two capsules mixed with 30 ml sterile normal buffered saline