Reference list:
1. Concato J, Shah N, Horwitz RI. Randomized, controlled trials,
observational studies, and the hierarchy of research designs. The New
England journal of medicine. 2000;342(25):1887-92.
2. Hamulyák EN, de Jong PG, Scheres LJJ, Ewington LJ, Middeldorp S,
Quenby S, Goddijn M. Progress of the ALIFE2 study: A dynamic road
towards more evidence. Thromb Res. 2020;190:39-44.
3. Chapman SJ, Shelton B, Mahmood H, Fitzgerald JE, Harrison EM, Bhangu
A. Discontinuation and non-publication of surgical randomised controlled
trials: observational study. BMJ (Clinical research ed). 2014;349:g6870.
4. Kasenda B, von Elm E, You J, Blümle A, Tomonaga Y, Saccilotto R, et
al. Prevalence, Characteristics, and Publication of Discontinued
Randomized Trials. JAMA. 2014;311(10):1045-52.
5. McDonald AM, Knight RC, Campbell MK, Entwistle VA, Grant AM, Cook JA,
et al. What influences recruitment to randomised controlled trials? A
review of trials funded by two UK funding agencies. Trials. 2006;7:9.
6. Mills EJ, Seely D, Rachlis B, Griffith L, Wu P, Wilson K, et al.
Barriers to participation in clinical trials of cancer: a meta-analysis
and systematic review of patient-reported factors. The Lancet Oncology.
2006;7(2):141-8.
7. Ellis PM. Attitudes towards and participation in randomised clinical
trials in oncology: a review of the literature. Annals of oncology :
official journal of the European Society for Medical Oncology.
2000;11(8):939-45.
8. Abraham NS, Young JM, Solomon MJ. A systematic review of reasons for
nonentry of eligible patients into surgical randomized controlled
trials. Surgery. 2006;139(4):469-83.
9. Lasagna L. Problems in publication of clinical trial methodology.
Clin Pharmacol Ther. 1979;25(5 Pt 2):751-3.
10. Al-Shahi Salman R, Beller E, Kagan J, Hemminki E, Phillips RS,
Savulescu J, et al. Increasing value and reducing waste in biomedical
research regulation and management. Lancet. 2014;383(9912):176-85.
11. [An assessment of Dutch obstetrics: implementation of 6 randomised
trials within a national network]. Ned Tijdschr Geneeskd.
2007;151(13):771-5.
12. Elm Ev, Altman DG, Egger M, Pocock SJ, Gøtzsche PC, Vandenbroucke
JP. Strengthening the reporting of observational studies in epidemiology
(STROBE) statement: guidelines for reporting observational studies. BMJ
(Clinical research ed). 2007;335(7624):806-8.
13. Kop PAL, van Wely M, Nap A, Soufan AT, de Melker AA, Mol BWJ, et al.
Intracervical insemination versus intrauterine insemination with
cryopreserved donor sperm in the natural cycle: a randomized controlled
trial. Hum Reprod. 2022;37(6):1175-82.
14. Kaandorp SP, Goddijn M, van der Post JA, Hutten BA, Verhoeve HR,
Hamulyák K, et al. Aspirin plus heparin or aspirin alone in women with
recurrent miscarriage. The New England journal of medicine.
2010;362(17):1586-96.
15. Quenby S, Booth K, Hiller L, Coomarasamy A, de Jong PG, Hamulyák EN,
et al. Heparin for women with recurrent miscarriage and inherited
thrombophilia (ALIFE2): an international open-label, randomised
controlled trial. Lancet. 2023;402(10395):54-61.
16. Kaandorp JJ, Benders MJ, Schuit E, Rademaker CM, Oudijk MA, Porath
MM, et al. Maternal allopurinol administration during suspected fetal
hypoxia: a novel neuroprotective intervention? A multicentre randomised
placebo controlled trial. Arch Dis Child Fetal Neonatal Ed.
2015;100(3):F216-23.
17. Lim AC, Schuit E, Bloemenkamp K, Bernardus RE, Duvekot JJ, Erwich J,
et al. 17α-hydroxyprogesterone caproate for the prevention of adverse
neonatal outcome in multiple pregnancies: a randomized controlled trial.
Obstet Gynecol. 2011;118(3):513-20.
18. Zaat T, de Bruin JP, Goddijn M, van Baal M, Benneheij S, Brandes M,
et al. Home-based monitoring of ovulation to time frozen embryo
transfers in the Netherlands (Antarctica-2): an open-label, nationwide,
randomised, non-inferiority trial. Lancet. 2023;402(10410):1347-55.
19. Vis JY, van Baaren GJ, Wilms FF, Oudijk MA, Kwee A, Porath MM, et
al. Randomized comparison of nifedipine and placebo in
fibronectin-negative women with symptoms of preterm labor and a short
cervix (APOSTEL-I Trial). Am J Perinatol. 2015;32(5):451-60.
20. Roos C, Spaanderman ME, Schuit E, Bloemenkamp KW, Bolte AC, Cornette
J, et al. Effect of maintenance tocolysis with nifedipine in threatened
preterm labor on perinatal outcomes: a randomized controlled trial.
Jama. 2013;309(1):41-7.
21. van Vliet EOG, Nijman TAJ, Schuit E, Heida KY, Opmeer BC, Kok M, et
al. Nifedipine versus atosiban for threatened preterm birth (APOSTEL
III): a multicentre, randomised controlled trial. Lancet.
2016;387(10033):2117-24.
22. Nijman TA, van Vliet EO, Naaktgeboren CA, Oude Rengerink K, de Lange
TS, Bax CJ, et al. Nifedipine versus placebo in the treatment of preterm
prelabor rupture of membranes: a randomized controlled trial: Assessment
of perinatal outcome by use of tocolysis in early labor-APOSTEL IV
trial. Eur J Obstet Gynecol Reprod Biol. 2016;205:79-84.
23. Klumper J, Breebaart W, Roos C, Naaktgeboren CA, van der Post J,
Bosmans J, et al. Study protocol for a randomised trial for atosiban
versus placebo in threatened preterm birth: the APOSTEL 8 study. BMJ
open. 2019;9(11):e029101.
24. Landman A, de Boer MA, Visser L, Nijman TAJ, Hemels MAC,
Naaktgeboren CN, et al. Evaluation of low-dose aspirin in the prevention
of recurrent spontaneous preterm labour (the APRIL study): A
multicentre, randomised, double-blinded, placebo-controlled trial. PLoS
Med. 2022;19(2):e1003892.
25. Custers IM, Flierman PA, Maas P, Cox T, Van Dessel TJ, Gerards MH,
et al. Immobilisation versus immediate mobilisation after intrauterine
insemination: randomised controlled trial. BMJ (Clinical research ed).
2009;339:b4080.
26. Dancet EAF, D’Hooghe TM, Dreischor F, van Wely M, Laan ETM, Lambalk
CB, et al. The ’Pleasure&Pregnancy’ web-based interactive educational
programme versus expectant management in the treatment of unexplained
subfertility: protocol for a randomised controlled trial. BMJ open.
2019;9(7):e025845.
27. van der Ploeg JM, Oude Rengerink K, van der Steen A, van Leeuwen JH,
Stekelenburg J, Bongers MY, et al. Transvaginal prolapse repair with or
without the addition of a midurethral sling in women with genital
prolapse and stress urinary incontinence: a randomised trial. Bjog.
2015;122(7):1022-30.
28. van der Ploeg JM, Oude Rengerink K, van der Steen A, van Leeuwen JH,
van der Vaart CH, Roovers JP. Vaginal prolapse repair with or without a
midurethral sling in women with genital prolapse and occult stress
urinary incontinence: a randomized trial. Int Urogynecol J.
2016;27(7):1029-38.
29. Dreyer K, Lier MC, Emanuel MH, Twisk JW, Mol BW, Schats R, et al.
Hysteroscopic proximal tubal occlusion versus laparoscopic salpingectomy
as a treatment for hydrosalpinges prior to IVF or ICSI: an RCT. Hum
Reprod. 2016;31(9):2005-16.
30. Boers KE, Vijgen SM, Bijlenga D, van der Post JA, Bekedam DJ, Kwee
A, et al. Induction versus expectant monitoring for intrauterine growth
restriction at term: randomised equivalence trial (DIGITAT). BMJ
(Clinical research ed). 2010;341:c7087.
31. Mol F, van Mello NM, Strandell A, Strandell K, Jurkovic D, Ross J,
et al. Salpingotomy versus salpingectomy in women with tubal pregnancy
(ESEP study): an open-label, multicentre, randomised controlled trial.
Lancet. 2014;383(9927):1483-9.
32. Vodegel EV, Zwolsman SE, Vollebregt A, Duijnhoven RG, Bosmans JE,
Speksnijder L, et al. Cost-Effectiveness of perioperative Vaginally
Administered estrogen in postmenopausal women undergoing prolapse
surgery (EVA trial): study protocol for a multicenter double-blind
randomized placebo-controlled trial. BMC Womens Health. 2021;21(1):439.
33. Wessel JA, Mochtar MH, Besselink DE, Betjes H, de Bruin JP,
Cantineau AEP, et al. Expectant management versus IUI in unexplained
subfertility and a poor pregnancy prognosis (EXIUI study): a randomized
controlled trial. Hum Reprod. 2022;37(12):2808-16.
34. van Welie N, van Rijswijk J, Dreyer K, van Hooff MHA, de Bruin JP,
Verhoeve HR, et al. Can hysterosalpingo-foam sonography replace
hysterosalpingography as first-choice tubal patency test? A randomized
non-inferiority trial. Hum Reprod. 2022;37(5):969-79.
35. Voormolen DN, DeVries JH, Sanson RME, Heringa MP, de Valk HW, Kok M,
et al. Continuous glucose monitoring during diabetic pregnancy
(GlucoMOMS): A multicentre randomized controlled trial. Diabetes Obes
Metab. 2018;20(8):1894-902.
36. Dreyer K, van Rijswijk J, Mijatovic V, Goddijn M, Verhoeve HR, van
Rooij IAJ, et al. Oil-Based or Water-Based Contrast for
Hysterosalpingography in Infertile Women. The New England journal of
medicine. 2017;376(21):2043-52.
37. Bistervels IM, Buchmüller A, Wiegers HMG, F NÁ, Tardy B, Donnelly J,
et al. Intermediate-dose versus low-dose low-molecular-weight heparin in
pregnant and post-partum women with a history of venous thromboembolism
(Highlow study): an open-label, multicentre, randomised, controlled
trial. Lancet. 2022;400(10365):1777-87.
38. Koopmans CM, Bijlenga D, Groen H, Vijgen SM, Aarnoudse JG, Bekedam
DJ, et al. Induction of labour versus expectant monitoring for
gestational hypertension or mild pre-eclampsia after 36 weeks’ gestation
(HYPITAT): a multicentre, open-label randomised controlled trial.
Lancet. 2009;374(9694):979-88.
39. Broekhuijsen K, van Baaren GJ, van Pampus MG, Ganzevoort W, Sikkema
JM, Woiski MD, et al. Immediate delivery versus expectant monitoring for
hypertensive disorders of pregnancy between 34 and 37 weeks of gestation
(HYPITAT-II): an open-label, randomised controlled trial. Lancet.
2015;385(9986):2492-501.
40. Vervoort AJ, Van der Voet LF, Witmer M, Thurkow AL, Radder CM, van
Kesteren PJ, et al. The HysNiche trial: hysteroscopic resection of
uterine caesarean scar defect (niche) in patients with abnormal
bleeding, a randomised controlled trial. BMC Womens Health. 2015;15:103.
41. Keulen JK, Bruinsma A, Kortekaas JC, van Dillen J, Bossuyt PM,
Oudijk MA, et al. Induction of labour at 41 weeks versus expectant
management until 42 weeks (INDEX): multicentre, randomised
non-inferiority trial. BMJ (Clinical research ed). 2019;364:l344.
42. Bensdorp AJ, Tjon-Kon-Fat RI, Bossuyt PM, Koks CA, Oosterhuis GJ,
Hoek A, et al. Prevention of multiple pregnancies in couples with
unexplained or mild male subfertility: randomised controlled trial of in
vitro fertilisation with single embryo transfer or in vitro
fertilisation in modified natural cycle compared with intrauterine
insemination with controlled ovarian hyperstimulation. BMJ (Clinical
research ed). 2015;350:g7771.
43. Bakker JJ, Verhoeven CJ, Janssen PF, van Lith JM, van Oudgaarden ED,
Bloemenkamp KW, et al. Outcomes after internal versus external
tocodynamometry for monitoring labor. The New England journal of
medicine. 2010;362(4):306-13.
44. Rutten MJ, van Meurs HS, van de Vrie R, Gaarenstroom KN,
Naaktgeboren CA, van Gorp T, et al. Laparoscopy to Predict the Result of
Primary Cytoreductive Surgery in Patients With Advanced Ovarian Cancer:
A Randomized Controlled Trial. J Clin Oncol. 2017;35(6):613-21.
45. Mutsaerts MA, van Oers AM, Groen H, Burggraaff JM, Kuchenbecker WK,
Perquin DA, et al. Randomized Trial of a Lifestyle Program in Obese
Infertile Women. The New England journal of medicine.
2016;374(20):1942-53.
46. Weiss NS, Nahuis MJ, Bordewijk E, Oosterhuis JE, Smeenk JM, Hoek A,
et al. Gonadotrophins versus clomifene citrate with or without
intrauterine insemination in women with normogonadotropic anovulation
and clomifene failure (M-OVIN): a randomised, two-by-two factorial
trial. Lancet. 2018;391(10122):758-65.
47. Beelen P, van den Brink MJ, Herman MC, Geomini P, Dekker JH,
Duijnhoven RG, et al. Levonorgestrel-releasing intrauterine system
versus endometrial ablation for heavy menstrual bleeding. Am J Obstet
Gynecol. 2021;224(2):187.e1-.e10.
48. Oderkerk TJ, Beelen P, Geomini P, Herman MC, Leemans JC, Duijnhoven
RG, et al. Endometrial ablation plus levonorgestrel releasing
intrauterine system versus endometrial ablation alone in women with
heavy menstrual bleeding: study protocol of a multicentre randomised
controlled trial; MIRA2 trial. BMC Womens Health. 2022;22(1):257.
49. Lemmers M, Verschoor MA, Oude Rengerink K, Naaktgeboren C, Opmeer
BC, Bossuyt PM, et al. MisoREST: surgical versus expectant management in
women with an incomplete evacuation of the uterus after misoprostol
treatment for miscarriage: a randomized controlled trial. Hum Reprod.
2016;31(11):2421-7.
50. Grooten IJ, Koot MH, van der Post JA, Bais JM, Ris-Stalpers C,
Naaktgeboren C, et al. Early enteral tube feeding in optimizing
treatment of hyperemesis gravidarum: the Maternal and Offspring outcomes
after Treatment of HyperEmesis by Refeeding (MOTHER) randomized
controlled trial. Am J Clin Nutr. 2017;106(3):812-20.
51. Oudshoorn SC, van Tilborg TC, Eijkemans MJC, Oosterhuis GJE,
Friederich J, van Hooff MHA, et al. Individualized versus standard FSH
dosing in women starting IVF/ICSI: an RCT. Part 2: The predicted hyper
responder. Hum Reprod. 2017;32(12):2506-14.
52. van Tilborg TC, Torrance HL, Oudshoorn SC, Eijkemans MJC, Koks CAM,
Verhoeve HR, et al. Individualized versus standard FSH dosing in women
starting IVF/ICSI: an RCT. Part 1: The predicted poor responder. Hum
Reprod. 2017;32(12):2496-505.
53. van der Vaart LR, Vollebregt A, Milani AL, Lagro-Janssen AL,
Duijnhoven RG, Roovers JWR, van der Vaart CH. Effect of Pessary vs
Surgery on Patient-Reported Improvement in Patients With Symptomatic
Pelvic Organ Prolapse: A Randomized Clinical Trial. Jama.
2022;328(23):2312-23.
54. van Hanegem N, Breijer MC, Slockers SA, Zafarmand MH, Geomini P,
Catshoek R, et al. Diagnostic workup for postmenopausal bleeding: a
randomised controlled trial. Bjog. 2017;124(2):231-40.
55. Labrie J, Berghmans BL, Fischer K, Milani AL, van der Wijk I,
Smalbraak DJ, et al. Surgery versus physiotherapy for stress urinary
incontinence. The New England journal of medicine. 2013;369(12):1124-33.
56. van der Ham DP, van der Heyden JL, Opmeer BC, Mulder AL, Moonen RM,
van Beek JH, et al. Management of late-preterm premature rupture of
membranes: the PPROMEXIL-2 trial. Am J Obstet Gynecol.
2012;207(4):276.e1-10.
57. van der Ham DP, Vijgen SM, Nijhuis JG, van Beek JJ, Opmeer BC,
Mulder AL, et al. Induction of labor versus expectant management in
women with preterm prelabor rupture of membranes between 34 and 37
weeks: a randomized controlled trial. PLoS Med. 2012;9(4):e1001208.
58. van Kempen LEM, van Teeffelen AS, de Ruigh AA, Oepkes D, Haak MC,
van Leeuwen E, et al. Amnioinfusion Compared With No Intervention in
Women With Second-Trimester Rupture of Membranes: A Randomized
Controlled Trial. Obstet Gynecol. 2019;133(1):129-36.
59. Jozwiak M, Oude Rengerink K, Benthem M, van Beek E, Dijksterhuis MG,
de Graaf IM, et al. Foley catheter versus vaginal prostaglandin E2 gel
for induction of labour at term (PROBAAT trial): an open-label,
randomised controlled trial. Lancet. 2011;378(9809):2095-103.
60. Ten Eikelder ML, Oude Rengerink K, Jozwiak M, de Leeuw JW, de Graaf
IM, van Pampus MG, et al. Induction of labour at term with oral
misoprostol versus a Foley catheter (PROBAAT-II): a multicentre
randomised controlled non-inferiority trial. Lancet.
2016;387(10028):1619-28.
61. van der Meulen JF, Bongers MY, Coppus S, Bosmans JE, Maessen JMC,
Oude Rengerink K, et al. The (cost) effectiveness of procedural sedation
and analgesia versus general anaesthesia for hysteroscopic myomectomy, a
multicentre randomised controlled trial: PROSECCO trial, a study
protocol. BMC Womens Health. 2019;19(1):46.
62. Liem S, Schuit E, Hegeman M, Bais J, de Boer K, Bloemenkamp K, et
al. Cervical pessaries for prevention of preterm birth in women with a
multiple pregnancy (ProTWIN): a multicentre, open-label randomised
controlled trial. Lancet. 2013;382(9901):1341-9.
63. van Zijl MD, Koullali B, Naaktgeboren CA, Schuit E, Bekedam DJ, Moll
E, et al. Pessary or Progesterone to Prevent Preterm delivery in women
with short cervical length: the Quadruple P randomised controlled trial.
BMC Pregnancy Childbirth. 2017;17(1):284.
64. Freeman LM, Bloemenkamp KW, Franssen MT, Papatsonis DN, Hajenius PJ,
Hollmann MW, et al. Patient controlled analgesia with remifentanil
versus epidural analgesia in labour: randomised multicentre equivalence
trial. BMJ (Clinical research ed). 2015;350:h846.
65. Coolen AWM, van Oudheusden AMJ, Mol BWJ, van Eijndhoven HWF, Roovers
JWR, Bongers MY. Laparoscopic sacrocolpopexy compared with open
abdominal sacrocolpopexy for vault prolapse repair: a randomised
controlled trial. Int Urogynecol J. 2017;28(10):1469-79.
66. Enklaar RA, Schulten SFM, van Eijndhoven HWF, Weemhoff M, van
Leijsen SAL, van der Weide MC, et al. Manchester Procedure vs
Sacrospinous Hysteropexy for Treatment of Uterine Descent: A Randomized
Clinical Trial. Jama. 2023;330(7):626-35.
67. Detollenaere RJ, den Boon J, Stekelenburg J, IntHout J, Vierhout ME,
Kluivers KB, van Eijndhoven HW. Sacrospinous hysteropexy versus vaginal
hysterectomy with suspension of the uterosacral ligaments in women with
uterine prolapse stage 2 or higher: multicentre randomised
non-inferiority trial. BMJ (Clinical research ed). 2015;351:h3717.
68. van Hoogenhuijze NE, Mol F, Laven JSE, Groenewoud ER, Traas MAF,
Janssen CAH, et al. Endometrial scratching in women with one failed
IVF/ICSI cycle-outcomes of a randomised controlled trial (SCRaTCH). Hum
Reprod. 2021;36(1):87-98.
69. Bui BN, Torrance HL, Janssen C, Cohlen B, de Bruin JP, den Hartog
JE, et al. Does endometrial scratching increase the rate of spontaneous
conception in couples with unexplained infertility and a good prognosis
(Hunault > 30%)? Study protocol of the SCRaTCH-OFO trial:
a randomized controlled trial. BMC Pregnancy Childbirth. 2018;18(1):511.
70. Kieslinger DC, Vergouw CG, Ramos L, Arends B, Curfs M, Slappendel E,
et al. Clinical outcomes of uninterrupted embryo culture with or without
time-lapse-based embryo selection versus interrupted standard culture
(SelecTIMO): a three-armed, multicentre, double-blind, randomised
controlled trial. Lancet. 2023;401(10386):1438-46.
71. van de Laar R, Kruitwagen RF, Zusterzeel PL, Van Gorp T, Massuger
LF. Correspondence: Premature Stop of the SOCceR Trial, a Multicenter
Randomized Controlled Trial on Secondary Cytoreductive Surgery:
Netherlands Trial Register Number: NTR3337. Int J Gynecol Cancer.
2017;27(1):2.
72. van Barneveld E, Veth VB, Sampat JM, Schreurs AMF, van Wely M,
Bosmans JE, et al. SOMA-trial: surgery or medication for women with an
endometrioma? Study protocol for a randomised controlled trial and
cohort study. Hum Reprod Open. 2020;2020(1):hoz046.
73. Westerhuis M, Visser GHA, Moons KGM, van Beek E, Benders MJ, Bijvoet
SM, et al. Cardiotocography plus ST analysis of fetal electrocardiogram
compared with cardiotocography only for intrapartum monitoring: a
randomized controlled trial. Obstet Gynecol. 2010;115(6):1173-80.
74. Balkenende EME, Dahhan T, Beerendonk CCM, Fleischer K, Stoop D, Bos
AME, et al. Fertility preservation for women with breast cancer: a
multicentre randomized controlled trial on various ovarian stimulation
protocols. Hum Reprod. 2022;37(8):1786-94.
75. Molenaar NM, Brouwer ME, Burger H, Kamperman AM, Bergink V,
Hoogendijk WJG, et al. Preventive Cognitive Therapy With Antidepressant
Discontinuation During Pregnancy: Results From a Randomized Controlled
Trial. J Clin Psychiatry. 2020;81(4).
76. de Wit L, Rademaker D, Voormolen DN, Akerboom BMC, Kiewiet-Kemper
RM, Soeters MR, et al. SUGAR-DIP trial: oral medication strategy versus
insulin for diabetes in pregnancy, study protocol for a multicentre,
open-label, non-inferiority, randomised controlled trial. BMJ open.
2019;9(8):e029808.
77. Danhof NA, van Wely M, Repping S, Koks C, Verhoeve HR, de Bruin JP,
et al. Follicle stimulating hormone versus clomiphene citrate in
intrauterine insemination for unexplained subfertility: a randomized
controlled trial. Hum Reprod. 2018;33(10):1866-74.
78. van Dijk MM, Vissenberg R, Fliers E, van der Post JAM, van der Hoorn
MP, de Weerd S, et al. Levothyroxine in euthyroid thyroid peroxidase
antibody positive women with recurrent pregnancy loss (T4LIFE trial): a
multicentre, randomised, double-blind, placebo-controlled, phase 3
trial. Lancet Diabetes Endocrinol. 2022;10(5):322-9.
79. Mourits MJ, Bijen CB, Arts HJ, ter Brugge HG, van der Sijde R,
Paulsen L, et al. Safety of laparoscopy versus laparotomy in early-stage
endometrial cancer: a randomised trial. The Lancet Oncology.
2010;11(8):763-71.
80. Cornelisse S, Ramos L, Arends B, Brink-van der Vlugt JJ, de Bruin
JP, Curfs MH, et al. Comparing the cumulative live birth rate of
cleavage-stage versus blastocyst-stage embryo transfers between IVF
cycles: a study protocol for a multicentre randomised controlled
superiority trial (the ToF trial). BMJ open. 2021;11(1):e042395.
81. Duvekot JJ, Duijnhoven RG, van Horen E, Bax CJ, Bloemenkamp KW,
Brussé IA, et al. Temporizing management vs immediate delivery in
early-onset severe preeclampsia between 28 and 34 weeks of gestation
(TOTEM study): An open-label randomized controlled trial. Acta Obstet
Gynecol Scand. 2021;100(1):109-18.
82. van Os MA, van der Ven AJ, Kleinrouweler CE, Schuit E, Kazemier BM,
Verhoeven CJ, et al. Preventing Preterm Birth with Progesterone in Women
with a Short Cervical Length from a Low-Risk Population: A Multicenter
Double-Blind Placebo-Controlled Randomized Trial. Am J Perinatol.
2015;32(10):993-1000.
83. Rikken JFW, Kowalik CR, Emanuel MH, Bongers MY, Spinder T, Jansen
FW, et al. Septum resection versus expectant management in women with a
septate uterus: an international multicentre open-label randomized
controlled trial. Hum Reprod. 2021;36(5):1260-7.
84. van de Laar RLO, Hofhuis W, Duijnhoven RG, Polinder S, Melchers WJG,
van Kemenade FJ, et al. Adjuvant VACcination against HPV in surgical
treatment of Cervical Intra-epithelial Neoplasia (VACCIN study) a study
protocol for a randomised controlled trial. BMC Cancer. 2020;20(1):539.
85. van Leijsen SA, Kluivers KB, Mol BW, Broekhuis SR, Milani FL, van
der Vaart CH, et al. Protocol for the value of urodynamics prior to
stress incontinence surgery (VUSIS) study: a multicenter randomized
controlled trial to assess the cost effectiveness of urodynamics in
women with symptoms of stress urinary incontinence in whom surgical
treatment is considered. BMC Womens Health. 2009;9:22.
86. van Leijsen SAL, Kluivers KB, Mol BWJ, Hout J, Milani AL, Roovers
JWR, et al. Value of urodynamics before stress urinary incontinence
surgery: a randomized controlled trial. Obstet Gynecol.
2013;121(5):999-1008.
87. Kroese JA, van der Velde M, Morssink LP, Zafarmand MH, Geomini P,
van Kesteren P, et al. Word catheter and marsupialisation in women with
a cyst or abscess of the Bartholin gland (WoMan-trial): a randomised
clinical trial. Bjog. 2017;124(2):243-9.
88. Prick BW, Jansen AJ, Steegers EA, Hop WC, Essink-Bot ML, Uyl-de
Groot CA, et al. Transfusion policy after severe postpartum haemorrhage:
a randomised non-inferiority trial. Bjog. 2014;121(8):1005-14.
89. van Leijsen SA, Kluivers KB, Mol BW, Broekhuis SR, Milani AL,
Bongers MY, et al. Can preoperative urodynamic investigation be omitted
in women with stress urinary incontinence? A non-inferiority randomized
controlled trial. Neurourol Urodyn. 2012;31(7):1118-23.
90. Prescott RJ, Counsell CE, Gillespie WJ, Grant AM, Russell IT, Kiauka
S, et al. Factors that limit the quality, number and progress of
randomised controlled trials. Health technology assessment (Winchester,
England). 1999;3(20):1-143.
91. Ioannidis JP, Haidich AB, Pappa M, Pantazis N, Kokori SI, Tektonidou
MG, et al. Comparison of evidence of treatment effects in randomized and
nonrandomized studies. Jama. 2001;286(7):821-30.
92. Pocock SJ, Elbourne DR. Randomized trials or observational
tribulations? N Engl J Med. 2000;342(25):1907-9.