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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Period Pain Clear all
Completed Phase 3 Interventional Results available

Long-term Open-Label Safety Study to Evaluate EN3409

NCT01755546
View directory record Official record
Conditions
Low Back Pain, Osteoarthritis, Neuropathic Pain
Interventions
EN3409
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
57
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Not applicable Interventional

Impact of Seed Cycling on Menstrual Regularity, Dysmenorrhea, and Premenstrual Symptoms

NCT07052500
View directory record Official record
Conditions
Menstruation Disorders, Menstrual Cramps, Menstruation
Interventions
Seed Cycling
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 4 Interventional Results available

Fascia Iliaca Blocks for Pain Control After Total Hip Arthroplasty

NCT03375112
View directory record Official record
Conditions
Arthritis of Hip
Interventions
Fascia iliaca compartment block, Placebo, Bupivacaine
Procedure · Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Crossover Study to Assess the Bioequivalence of Hydrocodone Bitartrate Extended-Release Tablet

NCT01758978
View directory record Official record
Conditions
Pain
Interventions
a 60 mg dose of the hydrocodone bitartrate extended-release tablet administered as either two 30-mg tablets (Treatment A) or one 60-mg tablet (Treatment B).
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2013 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 3 Interventional Results available

A Clinical Study to Evaluate the Safety and Efficacy of Elagolix in Participants With Moderate to Severe Endometriosis-Associated Pain

NCT03213457
View directory record Official record
Conditions
Endometriosis
Interventions
Estradiol/Norethindrone Acetate, Placebo for Elagolix, Elagolix, Placebo for E2/NETA
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
681 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
188
States / cities
Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 140 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Jul 22, 2026, 5:07 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Transverse Abdominal Plane Anesthesia for Abdominal Wall Reconstruction

NCT02274077
View directory record Official record
Conditions
Hernia, Ventral
Interventions
EXPAREL, Normal Saline
Drug
Lead sponsor
Chester Mays
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Jul 22, 2026, 5:07 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Comparison of IV Versus PO Acetaminophen Postoperatively for Opioid Consumption After Cesarean Section

NCT04290208
View directory record Official record
Conditions
Postoperative Pain, Cesarean Section, Acetaminophen
Interventions
Acetaminophen, Placebos
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Static Magnetic Fields on Dysmenorrhea Pain

NCT04539691
View directory record Official record
Conditions
Period Pain
Interventions
Magnet
Device
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Efficacy and Safety of HMI-115 in Subjects With Endometriosis-Associated Pain

NCT05101317
View directory record Official record
Conditions
Endometriosis
Interventions
HMI-115, Placebo
Drug
Lead sponsor
Hope Medicine (Nanjing) Co., Ltd
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Draper, Utah • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy and Safety Study of Lidocaine Vaginal Gel for Recurrent Dysmenorrhea (Painful Periods)

NCT00651313
View directory record Official record
Conditions
Dysmenorrhea
Interventions
Lidocaine, Placebo
Drug
Lead sponsor
Juniper Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
4
States / cities
Winston-Salem, North Carolina • Memphis, Tennessee • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2012 · Synced Jul 22, 2026, 5:07 PM EDT
Enrolling by invitation Not applicable Interventional

Prophylactic TBR on Phantom Limb Pain

NCT06956508
View directory record Official record
Conditions
Phantom Limb Pain After Amputation
Interventions
Targeted Brain Rehabilitation
Other
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
13 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) in Patients Who Require Opioid Treatment for an Extended Period of Time

NCT01223365
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone ER
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
54
States / cities
Mobile, Alabama • Anaheim, California • Beverly Hills, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2017 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 4 Interventional Results available

PO vs. IV Acetaminophen Given Perioperatively for 24 hr Post-op Pain Control Following Total Hip or Knee Replacement

NCT02244619
View directory record Official record
Conditions
Post-op Pain
Interventions
Oral acetaminophen, IV acetaminophen
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Jul 22, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effera Dose Response: Women's Health

NCT07524270
View directory record Official record
Conditions
Womens Health, Menstrual Symptoms
Interventions
Effera® (human equivalent lactoferrin), Placebo
Dietary Supplement · Other
Lead sponsor
Helaina Inc.
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 22, 2026, 5:07 PM EDT
Not listed Phase 2 Interventional

Logan Basic and Dysmenorrhea

NCT00740818
View directory record Official record
Conditions
Menstrual Distress (Dysmenorrhea)
Interventions
No Intervention, Sham Logan Basic Adjustment, Logan Basic adjustment
Other · Procedure
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 24, 2008 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 4 Interventional

TAPB vs. Caudal for Lower Abdominal Surgery in Children: A Double-Blinded Randomized Controlled Trial

NCT02160821
View directory record Official record
Conditions
Anesthesia, Recovery Period
Interventions
Caudal Epidural, Transversus Abdominis Plane Block
Procedure
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
1 Year to 9 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2014 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Transcutaneous Electrical Nerve Stimulation (TENS) for Menstrual Pain Relief

NCT05178589
View directory record Official record
Conditions
Primary Dysmenorrhea
Interventions
One Unit TENS, Two Unit TENS
Device
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 4 Interventional Results available

Ulipristal for Endometriosis-related Pelvic Pain

NCT02213081
View directory record Official record
Conditions
Endometriosis
Interventions
Ulipristal
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 3 Interventional

Treximet (Sumatriptan/Naproxen Sodium), Formerly Known as TREXIMA, for Menstrual Migraine in Women With Dysmenorrhea

NCT00329459
View directory record Official record
Conditions
Migraine Disorders
Interventions
sumatriptan succinate/naproxen sodium, placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
34
States / cities
Mesa, Arizona • Little Rock, Arkansas • Fair Oaks, California + 31 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2016 · Synced Jul 22, 2026, 5:07 PM EDT
Recruiting Not applicable Interventional

Remote Electrical Stimulation as a Long-term Intervention for Endometriosis Flare Ups

NCT06974773
View directory record Official record
Conditions
Endometriosis
Interventions
NettleEndo, Sham NettleEndo Device
Device
Lead sponsor
Samphire Group, Inc.
Industry
Eligibility
22 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Comparison Study of Pain Relief From Dysmenorrhea Between the Vipon Tampon and Ibuprofen

NCT00951561
View directory record Official record
Conditions
Dysmenorrhea
Interventions
Vipon, Ibuprofen
Device · Drug
Lead sponsor
Another Way Products
Industry
Eligibility
18 Years and older · Female only
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 15, 2011 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 3 Interventional

A Study of Pain Relief in Low Back Pain

NCT00325949
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Extended release hydrocodone and acetaminophen (Vicodin CR), hydrocodone/acetaminophen extended release (Vicodin CR), placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
63
States / cities
Hueytown, Alabama • Phoenix, Arizona • Tempe, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Jul 22, 2026, 5:07 PM EDT
Completed Phase 2 Interventional

Treatment of Primary Menstrual Pain With Kanion Capsule

NCT00523146
View directory record Official record
Conditions
Primary Dysmenorrhea
Interventions
Kanion Capsule
Drug
Lead sponsor
Lianyungang Kanion Group, Ltd.
Industry
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Sandy Springs, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 2, 2010 · Synced Jul 22, 2026, 5:07 PM EDT
Terminated No phase listed Observational

A Study of Women Receiving Standard of Care (SOC) for the Treatment of Pelvic Pain Due to Suspected or Confirmed Endometriosis and the Impact on the Disease or Symptom Progression.

NCT04140175
View directory record Official record
Conditions
Endometriosis, Chronic Pelvic Pain, Dysmenorrhea
Interventions
Not listed
Lead sponsor
AbbVie
Industry
Eligibility
12 Years and older · Female only
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
117
States / cities
Birmingham, Alabama • Decatur, Alabama • Fairhope, Alabama + 93 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2021 · Synced Jul 22, 2026, 5:07 PM EDT