Evidence map›Paper›PMID 41908170›Full record

ArticleO&G open2026

Two Perioperative Ketorolac Dosing Regimens After Cesarean Delivery and Opioid Use: A Randomized Controlled Trial.

Joe Eid, Madeleine Caplan, Nidhi Goel, Marie-Veronique Poirier, Skyler Montaine-O'Brien, Kara M Rood, Maged M Costantine

Registry-linked trialAbstract read
In one paragraph

Article in O&G open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05248984 (Dosing of Ketorolac Impacts Post-cesarean paiN manaGemenet), which is not on this map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05248984 phase4completednot on this map

Dosing of Ketorolac Impacts Post-cesarean paiN manaGemenet (KING): A Randomized Controlled Trial

TypeinterventionalSponsorOhio State UniversityRan2022 to 2023Enrolled92ConditionsPost Cesarean PainArmsKetorolac 30 Mg, Ketorolac 60 Mg
3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Joe EidDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Madeleine CaplanDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Nidhi GoelDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Marie-Veronique PoirierDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Skyler Montaine-O'BrienDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Kara M RoodDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.
Maged M CostantineDepartment of Obstetrics and Gynecology, Maternal Fetal Medicine Division, The Ohio State University, Columbus, Ohio.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo evaluate an initial intravenous loading dose of ketorolac 60 mg compared with 30 mg immediately after cesarean delivery and postoperative opioid requirements.

methodsThis was a randomized, controlled, single-blind trial of pregnant individuals undergoing cesarean delivery under regional anesthesia at a large academic medical center between June 2022 and October 2023. Enrolled participants were randomized to receive an initial loading dose of 60 mg (intervention) or 30 mg (control) of intravenous ketorolac in the operating room at the end of surgery. Demographics, pregnancy, and surgical characteristics were collected. The primary outcome was morphine milligram equivalents (MMEs) in the first 24 hours after delivery. Secondary outcomes included MMEs postoperatively during the delivery admission, postpartum pain scores (scored 0-10) assessed with the Defense and Veterans Pain Rating Scale, and time from the end of cesarean delivery to first opioid administration. Summary statistics and bivariate analysis were performed. Outcomes were compared between the two study groups with the two-sample

resultsOf 418 patients screened for eligibility, 92 were enrolled and randomized to receive a 60-mg (n=46) or 30-mg (n=46) loading dose of intravenous ketorolac. Baseline characteristics were similar between the two groups. The median opioid consumption in the first 24 hours postoperatively was 7.5 MMEs (interquartile range 0-15 MMEs) in the intervention group and 7.5 MMEs (interquartile range 0-22.5 MMEs) in the control group (

conclusionAn initial loading dose of 60 mg compared with 30 mg of intravenous ketorolac after cesarean delivery resulted in lower postoperative opioid use without an increase in treatment-related adverse events. However, the effect size was small, and future studies may better address the clinical utility of ketorolac loading dose. CLINICAL

trial registrationClinicalTrials.gov, NCT05248984.

Identifiers

PMID41908170
PMCPMC13021235

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.