Misopristol Versus Pitocin for Second Trimester Abortion

This study has been completed.
Information provided by (Responsible Party):
Assaf Ben Meir, Hadassah Medical Organization
ClinicalTrials.gov Identifier:
First received: November 2, 2008
Last updated: November 20, 2013
Last verified: November 2013

Second trimester abortion can be done surgically or medically. Medical abortion with mifepristone and misopristol is one of the common protocol, but misopristol have high rate side effect. The investigators recent study proved the efficacy of pitocin after mifepristone in second trimester abortion with minimal side effects.

Working hypothesis and aims: To compare misopristol and pitocin after mifepristone preparation in second trimester in seccess rate, interval to abortion, side effects and patient satisfaction.

Condition Intervention Phase
Abortion, Missed
Drug: mifepristone and misopristol
Drug: mifepristone and oxytocin
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Comparison Between Misopristol and Pitocin After Mifepristone Preparation for Second Trimeter Abortion

Resource links provided by NLM:

Further study details as provided by Hadassah Medical Organization:

Primary Outcome Measures:
  • Success rate of abortion [ Time Frame: 24 hours ] [ Designated as safety issue: No ]
  • Interval to abortion [ Time Frame: 24 hours ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Side effects [ Time Frame: 24 hours ] [ Designated as safety issue: No ]

Enrollment: 145
Study Start Date: January 2009
Study Completion Date: June 2012
Primary Completion Date: June 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: pitocin
high dose pitocin drip 48 hours after mifepristone preparation.
Drug: mifepristone and oxytocin
200 mg mifepristone followed 48 hours with high dose oxytocin drip (9 unit per hour)
Active Comparator: misopristol
vaginal and oral misopristol 48 hours after mifepristone preparation.
Drug: mifepristone and misopristol
200 mg mifepristone and after 48 hours vaginal misopristol 800 mgr followed by oral misopristol 400 mgr every 3 hours for maxamum 5 doses


Ages Eligible for Study:   18 Years to 50 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • midtrimester late abortion
  • midtrimester induced abortion

Exclusion Criteria:

  • placenta previa
  • infected abortion
  • rupture of membranes
  • s/p cesarean section *2 or more
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00784797

Hadassah Medical Organization
Jerusalem, Israel
Sponsors and Collaborators
Hadassah Medical Organization
Principal Investigator: Assaf Ben-Meir, MD Hadassah Medical Organization
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Assaf Ben Meir, MD, Hadassah Medical Organization
ClinicalTrials.gov Identifier: NCT00784797     History of Changes
Other Study ID Numbers: PitocinPGMyf-HMO-CTIL 
Study First Received: November 2, 2008
Last Updated: November 20, 2013
Health Authority: Israel: Israeli Health Ministry Pharmaceutical Administration

Additional relevant MeSH terms:
Abortion, Missed
Abortion, Spontaneous
Pregnancy Complications
Abortifacient Agents
Abortifacient Agents, Steroidal
Contraceptive Agents
Contraceptive Agents, Female
Contraceptives, Oral
Contraceptives, Oral, Synthetic
Contraceptives, Postcoital
Contraceptives, Postcoital, Synthetic
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Luteolytic Agents
Menstruation-Inducing Agents
Physiological Effects of Drugs
Reproductive Control Agents

ClinicalTrials.gov processed this record on May 30, 2016