NCT05997563

Brief Summary

This study evaluates the addition of vaginal micronized progesterone effervescent to standard treatment in the treatment of preterm labor. Half of participants will receive vaginal micronized progesterone effervescent and standard treatment, while the other half will receive only standard treatment.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
48

participants targeted

Target at P25-P50 for phase_4

Timeline
Completed

Started Aug 2023

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 8, 2023

Completed
8 days until next milestone

Study Start

First participant enrolled

August 16, 2023

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 18, 2023

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 31, 2025

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 31, 2025

Completed
Last Updated

August 30, 2023

Status Verified

August 1, 2023

Enrollment Period

2 years

First QC Date

August 8, 2023

Last Update Submit

August 28, 2023

Conditions

Preterm Labor

Outcome Measures

Primary Outcomes (1)

  • latency period

    time from preterm labor to delivery

    13 weeks

Secondary Outcomes (9)

  • gestational age at delivery

    13 weeks

  • preterm delivery less than 34 weeks

    10 weeks

  • preterm delivery less than 37 weeks

    13 weeks

  • neonatal complications

    13 weeks

  • side effects

    13 weeks

  • +4 more secondary outcomes

Study Arms (2)

Micronized progesterone

ACTIVE COMPARATOR
Drug: Micronized progesterone

Control

NO INTERVENTION

Interventions

Micronized progesteroneDRUG

Vaginal micronized progesterone effervescent once daily until delivery

Micronized progesterone

Eligibility Criteria

Age18 Years - 45 Years
Sexfemale(Gender-based eligibility)
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • singleton pregnancy with gestational age 24-33 weeks 6 days
  • preterm labor
  • received treatment with tocolysis and corticosteroids

You may not qualify if:

  • conditions that need immediate delivery such as fetal distress, chorioamnionitis
  • have medical complications such as heart disease, seizure
  • fetal anomalies
  • cervical dilatation more than 5 cm
  • allergy to progesterone
  • contraindication to progesterone
  • contraindication to tocolytic use

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Vorapong Phupong

Bangkok, 10330, Thailand

RECRUITING

Related Publications (15)

  • American College of Obstetricians and Gynecologists' Committee on Practice Bulletins-Obstetrics. Practice Bulletin No. 171: Management of Preterm Labor. Obstet Gynecol. 2016 Oct;128(4):e155-64. doi: 10.1097/AOG.0000000000001711.

    PMID: 27661654BACKGROUND

  • Coomarasamy A, Williams H, Truchanowicz E, Seed PT, Small R, Quenby S, Gupta P, Dawood F, Koot YE, Atik RB, Bloemenkamp KW, Brady R, Briley A, Cavallaro R, Cheong YC, Chu J, Eapen A, Essex H, Ewies A, Hoek A, Kaaijk EM, Koks CA, Li TC, MacLean M, Mol BW, Moore J, Parrott S, Ross JA, Sharpe L, Stewart J, Trepel D, Vaithilingam N, Farquharson RG, Kilby MD, Khalaf Y, Goddijn M, Regan L, Rai R. PROMISE: first-trimester progesterone therapy in women with a history of unexplained recurrent miscarriages - a randomised, double-blind, placebo-controlled, international multicentre trial and economic evaluation. Health Technol Assess. 2016 May;20(41):1-92. doi: 10.3310/hta20410.

    PMID: 27225013BACKGROUND

  • Facchinetti F, Vergani P, Di Tommaso M, Marozio L, Acaia B, Vicini R, Pignatti L, Locatelli A, Spitaleri M, Benedetto C, Zaina B, D'Amico R. Progestogens for Maintenance Tocolysis in Women With a Short Cervix: A Randomized Controlled Trial. Obstet Gynecol. 2017 Jul;130(1):64-70. doi: 10.1097/AOG.0000000000002065.

    PMID: 28594783BACKGROUND

  • Coomarasamy A, Devall AJ, Cheed V, Harb H, Middleton LJ, Gallos ID, Williams H, Eapen AK, Roberts T, Ogwulu CC, Goranitis I, Daniels JP, Ahmed A, Bender-Atik R, Bhatia K, Bottomley C, Brewin J, Choudhary M, Crosfill F, Deb S, Duncan WC, Ewer A, Hinshaw K, Holland T, Izzat F, Johns J, Kriedt K, Lumsden MA, Manda P, Norman JE, Nunes N, Overton CE, Quenby S, Rao S, Ross J, Shahid A, Underwood M, Vaithilingam N, Watkins L, Wykes C, Horne A, Jurkovic D. A Randomized Trial of Progesterone in Women with Bleeding in Early Pregnancy. N Engl J Med. 2019 May 9;380(19):1815-1824. doi: 10.1056/NEJMoa1813730.

    PMID: 31067371BACKGROUND

  • Piette PCM. The pharmacodynamics and safety of progesterone. Best Pract Res Clin Obstet Gynaecol. 2020 Nov;69:13-29. doi: 10.1016/j.bpobgyn.2020.06.002. Epub 2020 Jun 25.

    PMID: 32739288BACKGROUND

  • ACOG Practice Bulletin No.142: Cerclage for the management of cervical insufficiency. Obstet Gynecol. 2014 Feb;123(2 Pt 1):372-379. doi: 10.1097/01.AOG.0000443276.68274.cc.

    PMID: 24451674BACKGROUND

  • Cicinelli E, De Ziegler D, Morgese S, Bulletti C, Luisi D, Schonauer LM. "First uterine pass effect" is observed when estradiol is placed in the upper but not lower third of the vagina. Fertil Steril. 2004 May;81(5):1414-6. doi: 10.1016/j.fertnstert.2003.12.016.

    PMID: 15136116BACKGROUND

  • Simunic V, Tomic V, Tomic J, Nizic D. Comparative study of the efficacy and tolerability of two vaginal progesterone formulations, Crinone 8% gel and Utrogestan capsules, used for luteal support. Fertil Steril. 2007 Jan;87(1):83-7. doi: 10.1016/j.fertnstert.2006.05.067. Epub 2006 Nov 1.

    PMID: 17081536BACKGROUND

  • Shiba R, Kinutani M, Okano S, Kawano R, Kikkawa Y. Efficacy of four vaginal progesterones for luteal phase support in frozen-thawed embryo transfer cycles: A randomized clinical trial. Reprod Med Biol. 2019 Sep 16;19(1):42-49. doi: 10.1002/rmb2.12300. eCollection 2020 Jan.

    PMID: 31956284BACKGROUND

  • Schumacher M, Liere P, Ghoumari A. Progesterone and fetal-neonatal neuroprotection. Best Pract Res Clin Obstet Gynaecol. 2020 Nov;69:50-61. doi: 10.1016/j.bpobgyn.2020.09.001. Epub 2020 Sep 8.

    PMID: 33039311BACKGROUND

  • Norman JE, Marlow N, Messow CM, Shennan A, Bennett PR, Thornton S, Robson SC, McConnachie A, Petrou S, Sebire NJ, Lavender T, Whyte S, Norrie J; OPPTIMUM study group. Vaginal progesterone prophylaxis for preterm birth (the OPPTIMUM study): a multicentre, randomised, double-blind trial. Lancet. 2016 May 21;387(10033):2106-2116. doi: 10.1016/S0140-6736(16)00350-0. Epub 2016 Feb 24.

    PMID: 26921136RESULT

  • Martinez de Tejada B, Karolinski A. Vaginal progesterone for maintenance tocolysis: a systematic review and metaanalysis of randomized trials. Am J Obstet Gynecol. 2015 Sep;213(3):438-9. doi: 10.1016/j.ajog.2015.05.037. Epub 2015 May 21. No abstract available.

    PMID: 26003056RESULT

  • Ashoush S, El-Kady O, Al-Hawwary G, Othman A. The value of oral micronized progesterone in the prevention of recurrent spontaneous preterm birth: a randomized controlled trial. Acta Obstet Gynecol Scand. 2017 Dec;96(12):1460-1466. doi: 10.1111/aogs.13236. Epub 2017 Oct 19.

    PMID: 28949010RESULT

  • Hyett J, Asadi N, Zare Khafri M, Vafaei H, Kasraeian M, Salehi A, Saadati N, Bazrafshan K. The use of vaginal progesterone as a maintenance therapy in women with arrested preterm labor: a double-blind placebo-randomized controlled trial. J Matern Fetal Neonatal Med. 2022 Mar;35(6):1134-1140. doi: 10.1080/14767058.2020.1743662. Epub 2020 Mar 26.

    PMID: 32216490RESULT

  • Palacio M, Ronzoni S, Sanchez-Ramos L, Murphy KE. Progestogens as Maintenance Treatment in Arrested Preterm Labor: A Systematic Review and Meta-analysis. Obstet Gynecol. 2016 Nov;128(5):989-1000. doi: 10.1097/AOG.0000000000001676.

    PMID: 27741193RESULT

MeSH Terms

Conditions

Obstetric Labor, Premature

Interventions

Progesterone

Condition Hierarchy (Ancestors)

Obstetric Labor ComplicationsPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Intervention Hierarchy (Ancestors)

PregnenedionesPregnenesPregnanesSteroidsFused-Ring CompoundsPolycyclic CompoundsCorpus Luteum HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone AntagonistsProgesterone CongenersGonadal Steroid Hormones

Study Officials

  • Vorapong Phupong, M.D.

    Chulalongkorn University

    STUDY DIRECTOR

Central Study Contacts

Vorapong Phupong, M.D.

CONTACT

+66816339296vorapong.p@chula.ac.th

Jirapat Chanratchakool, M.D.

CONTACT

+66819322352sunnjc.jc@gmail.com

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor Vorapong Phupong

Study Record Dates

First Submitted

August 8, 2023

First Posted

August 18, 2023

Study Start

August 16, 2023

Primary Completion

August 31, 2025

Study Completion

October 31, 2025

Last Updated

August 30, 2023

Record last verified: 2023-08

Locations

TH(1)