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Completed

NCT Number: NCT00828711

Misoprostol Vaginal Insert (MVI) 100, 150, 200 mcg for Cervical Ripening and Induction of Labor

The purpose of this study is to assess the efficacy and safety of the 100, 150 and 200 mcg Misoprostol Vaginal Insert (MVI 100, MVI 150 and MVI 200) for women requiring cervical ripening and induction of labor.

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Key information

Conditions

Cervical Ripening Induction of Labor

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Phase 2

Primary location

Precision Trials, Phoenix, Arizona, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Provide written informed consent;
  • Pregnant women at ≥ 36 weeks 0 days inclusive gestation;
  • Women aged 18 years or older;
  • Candidate for pharmacologic induction of labor;
  • Single, live vertex fetus;
  • Baseline modified Bishop score ≤ 4;
  • Parity ≤ 3 (parity is defined as one or more births live or dead after 24 weeks gestation);
  • Body Mass Index (BMI) ≤ 50 at the time of entry to the study.

Exclusion criteria

  • Nulliparous women participating in the pharmacokinetic (PK) arm of the study: women with hemoglobin level < 11.0 grams per deciliter (g/dL) (confirmed within one week of study drug insertion);
  • Women in active labor;
  • Presence of uterine or cervical scar or uterine abnormality e.g., bicornate uterus. Biopsies, including cone biopsy of the cervix, are permitted;
  • Administration of oxytocin or any cervical ripening or labor inducing agents (including mechanical methods) or a tocolytic drug within 7 days prior to enrollment. Magnesium sulfate is permitted if prescribed as treatment for pre-eclampsia or gestational hypertension;
  • Severe pre-eclampsia marked by Hemolytic anemia, Elevated Liver enzymes, Low Platelet count (HELLP) syndrome, other end-organ affliction or Central Nervous System (CNS) findings other than mild headache;
  • Fetal malpresentation;
  • Diagnosed fetal abnormalities;
  • Any evidence of fetal compromise at baseline (e.g., non-reassuring fetal heart rate pattern or meconium staining);
  • Ruptured membranes ≥ 48 hours prior to the start of treatment;
  • Suspected chorioamnionitis;
  • Fever (oral or aural temperature > 37.5˚C);
  • Any condition in which vaginal delivery is contraindicated e.g., placenta previa or any unexplained genital bleeding at any time after 24 weeks during this pregnancy;
  • Known or suspected allergy to misoprostol, other prostaglandins or any of the excipients;
  • Any condition urgently requiring delivery;
  • Unable to comply with the protocol.

Treatment and study plan

MVI 100

Drug

Dose reservoir of 100 mcg of misoprostol in a hydrogel polymer vaginal insert within a retrieval system. The MVI 100 will be kept in place for up to 24 hours or will be removed earlier if one of the following occur: onset of active labor, intrapartum adverse event necessitating discontinuation of the study drug, other reasons including maternal request.

Other names: Misopess (TM), Misodel (R)

MVI 150

Drug

Dose reservoir of 150 mcg of misoprostol in a hydrogel polymer vaginal insert within a retrieval system. The MVI 150 will be kept in place for up to 24 hours or will be removed earlier if one of the following occur: onset of active labor, intrapartum adverse event necessitating discontinuation of the study drug, other reasons including maternal request.

Other names: Misopess (TM), Misodel (R)

MVI 200

Drug

Dose reservoir of 200 mcg of misoprostol in a hydrogel polymer vaginal insert within a retrieval system. The MVI 200 will be kept in place for up to 24 hours or will be removed earlier if one of the following occur: onset of active labor, intrapartum adverse event necessitating discontinuation of the study drug, other reasons including maternal request.

Other names: Misopess (TM), Misodel (R)

Primary outcomes

  1. Proportion of Women Delivering Vaginally

    Time frame: Interval from study drug administration to 24 hours

Secondary outcomes

  1. Time to Vaginal Delivery

    Time frame: Interval from study drug administration to delivery (average 24 hours)

  2. Rate of Adverse Events

    Time frame: From study drug administration to hospital discharge (approximately 48 - 72 hours)

    All adverse events were rated by the Investigator as mild, moderate or severe and classified as having no relationship, possible relationship or a probable relationship to the study drug. These assessments were deemed as accurate and appropriate for the reporting of all serious and non serious adverse events.

  3. Proportion of Cesarean Delivery

    Time frame: Interval from study drug administration to cesarean delivery (average 24 hours)

  4. Cervical Ripening Using Composite Measure of Success

    Time frame: 12 hours after insertion of drug

    Cervical ripening success was defined by achievement of one or more of the following by 12 hours after study drug administration:

    • Increase from baseline in modified Bishop score ≥3; or
    • Achievement of modified Bishop score of ≥6; or
    • Vaginal delivery.

  5. Use of Oxytocin

    Time frame: At least 30 minutes after study drug removal

    Percentage of participants in receipt of Oxytocin for induction after study drug removal is accurate and appropriate for this outcome measure.

  6. Time of Maximum Plasma Concentration (Tmax), Maximum Plasma Concentration (Cmax), Area Under the Curve (AUC) and Terminal Half Life of Misoprostol Acid.

    Time frame: From study drug insertion up to 2 hours post study drug removal

    The timepoints over which the pharmacokinetic measurements were assessed, and deemed as accurate and appropriate, were as follows: 0 hours (baseline), 2, 4, 6, 8, 10 and 14 hours after insertion of the study drug, immediately prior to removal of the study drug and 0.5, 1 and 2 hours after removal of the study drug.

  7. Time to Onset of Active Labor

    Time frame: Interval from study drug administration to active labor (average 12 hours)

Sponsors and collaborators

Lead sponsor

Ferring Pharmaceuticals

Industry

Registry information

Official study title

A Multicenter, Randomized, Double-Blind, Dose-Ranging, Phase II Study to Assess the Efficacy and Safety of the 100, 150 and 200 mcg Misoprostol Vaginal Insert for Women Requiring Cervical Ripening and Induction of Labor

Important dates

Study start
2009
Primary completion
2009
Study completion
2009
First posted
Jan 26, 2009
Registry last updated
Apr 21, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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