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Sponsored by: |
University of California, San Diego |
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Information provided by: | University of California, San Diego |
ClinicalTrials.gov Identifier: | NCT00816751 |
The aim of this study is to estimate the efficacy of intracervical versus paracervical block on pain experienced during first trimester suction curettage without the use of preoperative cervical ripening. Because of the theoretical improved reliability of stromal block, the investigators hypothesize that intracervical block would produce lower pain scores than paracervical block at the time of cervical dilation.
Condition | Intervention |
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Abortion, Induced Pain |
Procedure: Paracervical block Procedure: Intracervical Drug: Buffered Lidocaine, vasopressin, sodium bicarbonate |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double Blind (Subject, Investigator, Outcomes Assessor), Active Control, Parallel Assignment, Efficacy Study |
Official Title: | Paracervical Versus Intracervical Lidocaine for Suction Curettage: A Randomized Controlled Trial |
Enrollment: | 132 |
Study Start Date: | December 2007 |
Study Completion Date: | February 2008 |
Primary Completion Date: | February 2008 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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1: Active Comparator |
Procedure: Paracervical block
The paracervical block was administered using 20 ml of buffered lidocaine and a 5/8 inch, 25-gauge needle. A small amount was injected at the tenaculum site, and the remainder equally distributed around the cervicovaginal junction at 3, 5, 7, and 9 o'clock. The depth was standardized at 5/8 inch by inserting the needle to the hub.
Drug: Buffered Lidocaine, vasopressin, sodium bicarbonate
The buffered lidocaine preparation for both block techniques consisted of 50 mL of 1% lidocaine, 5 units of vasopressin, and 5 mL 8% sodium bicarbonate.
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2: Experimental |
Procedure: Intracervical
The intracervical block was administered using 20 ml of buffered lidocaine and a 1-1/2 inch, 20 gauge needle in order to overcome the increased resistance to injection caused by the cervical stroma. A small amount was injected at the tenaculum site, and the remainder into the cervical stroma at 12, 3, 6, and 9 o'clock, at a depth of 1-1/2 inch by inserting the needle to the hub.
Drug: Buffered Lidocaine, vasopressin, sodium bicarbonate
The buffered lidocaine preparation for both block techniques consisted of 50 mL of 1% lidocaine, 5 units of vasopressin, and 5 mL 8% sodium bicarbonate.
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Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
Exclusion Criteria:
United States, California | |
Planned Parenthood | |
San Diego, California, United States, 92101 |
Principal Investigator: | Jennifer L Mankowski, MD | UCSD |
Responsible Party: | UCSD Department of Reproductive Medicine ( Jennifer L. Mankowski, MD ) |
Study ID Numbers: | ONG-08-1781 |
Study First Received: | December 31, 2008 |
Last Updated: | January 2, 2009 |
ClinicalTrials.gov Identifier: | NCT00816751 History of Changes |
Health Authority: | United States: Institutional Review Board |
Local anesthesia Paracervical Intracervical |
Abortion Pain Local anesthesia for elective first trimester abortion |
Arginine Vasopressin Vasoconstrictor Agents Vasopressins Lidocaine Central Nervous System Depressants Anesthetics |
Pain Anti-Arrhythmia Agents Peripheral Nervous System Agents Cardiovascular Agents Anesthetics, Local Hemostatics |
Coagulants Hematologic Agents Physiological Effects of Drugs Lidocaine Central Nervous System Depressants Anesthetics Cardiovascular Agents Hemostatics Pharmacologic Actions Anesthetics, Local |
Sensory System Agents Natriuretic Agents Therapeutic Uses Vasopressins Vasoconstrictor Agents Anti-Arrhythmia Agents Peripheral Nervous System Agents Antidiuretic Agents Central Nervous System Agents |