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Table 2 Characteristics of the studies on the use of progestins for the symptomatic relief of endometriosis pain

From: Progestins in the symptomatic management of endometriosis: a meta-analysis on their effectiveness and safety

Source

Study design

Year

of enrolment

Description of main symptoms

Number of patients enrolled

Study drug

Comparator

Number

of patients treated with the study drug

Number

of patients treated with comparator

Treatment period

Study outcomes

Petraglia et al. [34]

Randomised open-label, placebo-controlled trial

2004–2007

Pelvic Pain

168

Dienogest 2 mg/d

Placebo

87

81

52 weeks

Pain improvement (VAS)

Adverse effects

Morotti et al. [35]

Open-label prospective trial

2014

Pelvic Pain

25

Norethisterone acetate 2.5-5 mg/d

Dienogest 2 mg/d

25

25

6 months

Adverse effects

Vercellini et al. [36]

Retrospective and prospective study

2012–2014

Pelvic Pain

180

Norethisterone acetate 2.5

Dienogest 2 mg/d

90

90

6 months

Pain improvement (NRS)

Morotti et al. [37]

Retrospective study

2004–2016

Pelvic Pain

103

Norethisterone acetate 2.5-5 mg/d

N/A

103

N/A

60 months

Pain improvement (VAS)

Adverse effects

Maiorana et al. [38]

Observational, single-centre cohort study

2013–2014

Pelvic Pain

132

Dienogest 2 mg/d

N/A

132

N/A

12 months

Pain improvement (VAS)

Adverse effects

Römer [39]

Retrospective study

2016

Pelvic Pain

37

Dienogest 2 mg/d

N/A

37

N/A

60 months

Adverse effects

Vercellini et al. [40]

Prospective study

2014

Pelvic Pain

153

Norethisterone 2.5 mg/d

N/A

153

N/A

12 months

Pain improvement (NRS)

Adverse effects

Sansone et al. [41]

Multicenter prospective observational study

2016

Pelvic Pain

25

Etonogestrel implant

N/A

25

N/A

12 months

Pain improvement (VAS)

Adverse effects

Lang et al. [42]

Randomised double-blind, placebo-controlled trial

2013

Pelvic Pain

255

Dienogest 2 mg/d

Placebo

126

129

24 weeks

Pain improvement (VAS)

Adverse effects.

Yu et al. [43]

Open-label extension study

2018

Pelvic Pain

220

Dienogest 2 mg/d

Placebo

111

109

28 weeks

Pain improvement (VAS)

Adverse effects

Carvalho et al. [44]

Open-label parallel-group, non-inferiority, randomised clinical trial

2016

Pelvic Pain

103

Etonogestrel implant

52 mg Levonorgestrel-releasing intrauterine system

52

51

6 months

Pain improvement (VAS)

Del Forno et al. [45]

Retrospective study

2015

Pelvic Pain

135

Dienogest 2 mg/d

Norethisterone acetate 2.5 mg/d

69

66

12 months

Adverse effects

Ferrero et al. [46]

Retrospective study

2019

Pelvic Pain

44

Etonogestrel implant

N/A

44

N/A

24 months

Pain improvement (VAS)

Adverse effects

Cho et al. [47]

Prospective cohort study

2011–2017

Pelvic Pain

3356

Dienogest 2 mg/d

N/A

3356

N/A

12 months

Pain improvement (VAS)

Adverse effects

Barra et al. [48]

Retrospective study

2019

Pelvic Pain

83

Dienogest 2 mg/d

N/A

83

N/A

36 months

Pain improvement (VAS)

Adverse effects

Margatho et al. [32]

Randomised control trial

2016–2019

Pelvic Pain and dysmenorrhoea

103

Etonogestrel implant

52 mg Levonorgestrel-releasing intrauterine system

52

51

24 months

Pain improvement (VAS)

Nirgianakis et al. [49]

Retrospective cohort study

2017–2018

Pelvic Pain

130

Dienogest 2 mg/d

N/A

130

N/A

36 weeks

Pain improvement (VAS)

Adverse effects

Kitawaki et al. [50]

Post-marketing observational study

2016–2017

Pelvic Pain

59

Dydrogesterone 10 mg twice daily

N/A

59

N/A

six 21-day cycles

Pain improvement (VAS)

Adverse effects

  1. VAS Visual analogue scale, NRS Numerical rating scale