NCT04615247

Brief Summary

To refine and evaluate the feasibility of procedures for a future full-scale efficacy trial of a group-based therapeutic yoga intervention versus physical conditioning (stretching and strengthening) intervention for women with chronic pelvic pain.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
36

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2020

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 28, 2020

Completed
7 days until next milestone

First Posted

Study publicly available on registry

November 4, 2020

Completed
26 days until next milestone

Study Start

First participant enrolled

November 30, 2020

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 25, 2022

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 24, 2022

Completed
10 months until next milestone

Results Posted

Study results publicly available

June 13, 2023

Completed
Last Updated

March 30, 2025

Status Verified

March 1, 2025

Enrollment Period

1.5 years

First QC Date

October 28, 2020

Results QC Date

May 17, 2023

Last Update Submit

March 27, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Randomized Participants Who: a) Are Retained at 8 Weeks, b) Attend at Least 75% of Intervention Classes, c) Demonstrate at Least Moderate Intervention Self-efficacy, and d) Provide Pain Outcomes Data at 8 Weeks.

    Number of randomized participants who: a) are retained at 8 weeks, b) attend at least 75% of intervention classes, c) demonstrate at least moderate intervention self-efficacy, and d) provide pain outcomes data at 8 weeks.

    8 weeks

Secondary Outcomes (9)

  • Percentage of Screenees Who Are Eventually Randomized

    Randomization

  • Percentage of Randomized Participants Who Drop Out by 8 Weeks

    8 weeks

  • Percentage of Non-drop-outs Completing at Least 75% of Intervention Classes Over 8 Weeks

    8 weeks

  • Percentage of Non-drop-outs Completing at Least 75% of Home Intervention Practice Over 8 Weeks

    8 weeks

  • Percentage of Participants With at Least Moderate Self-efficacy in Performing Postures/Exercises at 8 Weeks

    8 weeks

  • +4 more secondary outcomes

Study Arms (2)

Yoga Program

EXPERIMENTAL

The study yoga intervention is designed to provide instruction and practice in selected yoga postures and techniques chosen by an expert panel for their potential to improve pelvic pain in women.

Other: Yoga Program

Physical Conditioning Program

ACTIVE COMPARATOR

A low-impact, muscle stretching and strengthening program.

Other: Physical Conditioning Program

Interventions

The yoga program is designed to maximize women's awareness of and control over the pelvic floor, promote relaxation, and improve physical function.

Yoga Program

The physical conditioning program will focus on a core set of exercises designed to improve physical function and emotional well-being in order to improve management of chronic pain.

Physical Conditioning Program

Eligibility Criteria

Age18 Years+
Sexfemale(Gender-based eligibility)
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Women aged 18 years or older who report chronic or recurrent pelvic pain for at least 6 months
  • Report an average daily pain intensity score of at least 4 (on a 0 to 10 scale) on a screening 7-day pain log
  • Report prior clinical evaluation of pain by a healthcare professional including at least a superficial pelvic exam
  • Willing to refrain from initiating new clinical treatments that may affect their pain during the study period

You may not qualify if:

  • Report pelvic pain occurring exclusively with menses or exclusively during sexual intercourse (note that women with at least some pain between menses or intercourse are still eligible)
  • Participation in organized yoga classes or muscle strengthening programs (e.g., Pilates) in the past month, or prior yoga therapy specifically directed a pelvic pain
  • Currently pregnant (by self-report or screening test), pregnant within the past 6 months, or planning pregnancy
  • Diagnosed with an alternate, reversible cause of pain that is unlikely to respond to yoga and requires another treatment modality (e.g., current pelvic infection or a gynecologic dermatosis)
  • Initiation, dose escalation, or weaning of pharmacologic agents that may affect pelvic pain severity in the past 1 month (e.g., pain medications, antidepressants, anticonvulsants)-note that women on stable doses will be eligible
  • Surgery to the genital or pelvic structures within 3 months, or prior cancer or irradiation to these structures
  • Use of formal psychological therapies specifically for pelvic pain (e.g., systematic desensitization, sex therapy, cognitive therapy, relaxation therapy) within 1 month of screening
  • Use of formal behavioral therapies for pelvic or genital pain (e.g., pelvic floor rehabilitation or biofeedback performed by a certified healthcare practitioner) within 1 month of screening
  • Unable to walk up a flight of stairs or at least 2 blocks on level ground (i.e., functional capacity \< 4 METs), or unable to get up from a supine to a standing position without assistance
  • Participation in another interventional study that might interfere with or confound study procedures
  • Known conflict with multiple available intervention class dates
  • Inability to sign an informed consent or fill out questionnaires or complete study interviews in English, or lacking technical requirements to complete intervention classes or study visits by video

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

University of California, San Francisco

Oakland, California, 94612, United States

Location

Stanford University

Palo Alto, California, 94305, United States

Location

University of California, San Francisco

San Francisco, California, 94925, United States

Location

Related Publications (1)

  • Huang AJ, Subak LL, Rowen TS, Schembri M, Raghunathan H, Gibson C, Pawlowsky S, Cheng J, Chao MT. A Multisite Randomized Feasibility Trial of a Remotely Delivered Pelvic Yoga Program for Women with Chronic Pelvic Pain Syndrome. J Integr Complement Med. 2025 May;31(5):483-492. doi: 10.1089/jicm.2024.0682. Epub 2024 Dec 26.

MeSH Terms

Conditions

Pelvic Pain

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Alison Huang, MD
Organization
Principal Investigator

Study Officials

  • Alison Huang, MD, MAS, MPhil

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 28, 2020

First Posted

November 4, 2020

Study Start

November 30, 2020

Primary Completion

May 25, 2022

Study Completion

August 24, 2022

Last Updated

March 30, 2025

Results First Posted

June 13, 2023

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will share

Starting no later than 6 months following publication of the main trial results (including on-line publication), the investigative team will make publically available de-identified individual participant data that underlie the results reported in the publication. This will include data about the baseline characteristics of the study participants and any primary or secondary trial outcomes presented in the publication.

Shared Documents
STUDY PROTOCOL, ICF
Access Criteria
To gain access, data requestors will be asked to sign a data access agreement. In addition to signing a data access agreement, data requestors seeking to use trial data to generate new publications or presentations will be asked to submit a publication/presentation proposal that will be reviewed by the members of the trial steering committee, made up of the principal and co-investigators, for overlap with existing publication/presentation proposals as well as methodological appropriateness.

Locations