NCT04930159

Brief Summary

The SISTER study is a randomized trial, looking at various modalities of social support for Black patients undergoing treatment for endometrial cancer. There are three study arms: group support, 1:1 peer support, and enhanced usual care. The primary outcome is treatment completion, and the secondary outcome is social isolation.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
252

participants targeted

Target at P75+ for not_applicable

Timeline
5mo left

Started Sep 2021

Longer than P75 for not_applicable

Geographic Reach
1 country

11 active sites

Status
active not recruiting

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

Study Progress91%
Sep 2021Oct 2026

First Submitted

Initial submission to the registry

June 11, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 18, 2021

Completed
3 months until next milestone

Study Start

First participant enrolled

September 1, 2021

Completed
4.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 7, 2026

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 31, 2026

Expected
Last Updated

April 28, 2026

Status Verified

April 1, 2026

Enrollment Period

4.6 years

First QC Date

June 11, 2021

Last Update Submit

April 22, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Treatment completion (relative dose)

    Relative dose is the ratio of actual-to-expected total dose of treatment received. The calculation of expected total dose will be made from the baseline treatment recommendation data collected at enrollment.

    6 months

Secondary Outcomes (1)

  • Patient-reported social isolation (SPS-24)

    6 months

Study Arms (3)

Enhanced usual care

NO INTERVENTION

Written materials in an appealing package.

Facilitated group support

ACTIVE COMPARATOR

Weekly group gatherings.

Behavioral: Facilitated group support

1:1 Peer Support

ACTIVE COMPARATOR

Individual peer support calls.

Behavioral: 1:1 Peer Support

Interventions

Weekly group gatherings where content will alternate between group conversation and focused topics (e.g., treatment side-effects, mental health, family dynamics, nutrition, financial hardship) with facilitated discussion by a trained professional in nutrition, psychotherapy, cognitive behavioral therapy, or medicine. Each group will cycle through the same order of topics.

Facilitated group support

1:1 peer support via telephone or video either during or near a treatment visit. Call content will be focused on social support and driven by the needs of the participant.

1:1 Peer Support

Eligibility Criteria

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

You may qualify if:

  • Adult 18 years of age or older; and
  • Self-identify as Black/African American
  • Presenting with high-risk EC established by anatomic pathology as tumor stage and grade classification by the following:
  • Pathology documentation from any hospital/clinic/medical center, and
  • FIGO Stage 1A with Grade 2, Grade 3, or Grade 4 of any histology type or
  • FIGO Stage 1A with non-endometrioid (carcinosarcoma, serous, clear cell, undifferentiated or mixed) histology
  • FIGO Stage 1B, 2, 3, or 4 of any grade or histology
  • Recurrent endometrial cancer of any stage or grade
  • Documented provider recommendation and patient plan to initiate adjuvant therapy with chemotherapy, radiation, and/or immunotherapy.

You may not qualify if:

  • Newly diagnosis of FIGO Stage IA Grade 1 endometrioid adenocarcinoma
  • Previous history of other cancer diagnosis requiring chemotherapy, radiation therapy, or immunotherapy within the past 12 months;
  • Incarcerated in a detention facility or in police custody (patients wearing a monitoring device can be enrolled) at baseline/screening;
  • Contraindication to all non-surgical therapy available for endometrial cancer (i.e., chemotherapy, radiation, and immunotherapy contraindicated);
  • Enrollment into hospice prior to randomization
  • Unable to provide written informed consent in English;
  • Unable to be contacted for research surveys;
  • Recent hospitalization for psychiatric illness in the past 6 months

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (11)

University of Alabama

Birmingham, Alabama, 35294, United States

Location

University of Arkansas for Medical Sciences

Little Rock, Arkansas, 72205, United States

Location

University of Miami

Miami, Florida, 33136, United States

Location

The University of Chicago

Chicago, Illinois, 60637, United States

Location

Louisiana State University - New Orleans

New Orleans, Louisiana, 70112, United States

Location

Johns Hopkins University

Baltimore, Maryland, 21218, United States

Location

MedStar Health Research Institute

Columbia, Maryland, 21044, United States

Location

Weill Cornell Medicine

New York, New York, 10021, United States

Location

University of North Carolina

Chapel Hill, North Carolina, 27599, United States

Location

University Hospitals Cleveland Medical Center

Cleveland, Ohio, 44106, United States

Location

Fred Hutch/University of Washington Cancer Consortium

Seattle, Washington, 98105, United States

Location

Related Publications (1)

  • Oluloro A, Comstock B, Monsell SE, Gross M, Wolff EM, Sage L, Alson J, Lavallee DC, Hempstead B, Moore A, Katz R, Doll KM. Study Protocol for the Social Interventions for Support During Treatment for Endometrial Cancer and Recurrence (SISTER) study: a community engaged national randomized trial. J Comp Eff Res. 2024 Mar;13(3):e230159. doi: 10.57264/cer-2023-0159. Epub 2024 Feb 13.

MeSH Terms

Conditions

Endometrial Neoplasms

Condition Hierarchy (Ancestors)

Uterine NeoplasmsGenital Neoplasms, FemaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsUterine DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital Diseases

Study Officials

  • Kemi M Doll, MD, MS

    University of Washington

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor, School of Medicine

Study Record Dates

First Submitted

June 11, 2021

First Posted

June 18, 2021

Study Start

September 1, 2021

Primary Completion

April 7, 2026

Study Completion (Estimated)

October 31, 2026

Last Updated

April 28, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

Only de-identified data will be shared with other researchers. Researchers will be required to receive approval from the SISTER Advocate Advisory Board to receive data.

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
The time frame is to be determined, in partnership with the SISTER Executive Committee and Advocate Advisory Board
Access Criteria
The access criteria is to be determined, in partnership with the SISTER Executive Committee and Advocate Advisory Board

Locations