findmyKOL
Clinical trialNCT05568472Active, not recruitingInterventional

Monitoring Symptoms to Help Young Women Take Hormone Therapy for Stage I-III Breast Cancer, ASPEN Study

SponsorSWOG Cancer Research NetworkEnrollment565Anatomic Stage I Breast Cancer AJCC v8Anatomic Stage II Breast Cancer AJCC v8Anatomic Stage III Breast Cancer AJCC v8Hormone Receptor-Positive Breast Carcinoma
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

490 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Peru
  • Instituto Nacional de Enfermedades Neoplasicas

    Lima, Peru

United States
  • Kingman Regional Medical Center

    Kingman, Arizona, United States

  • Cancer Center at Saint Joseph'S

    Phoenix, Arizona, United States

  • Kaiser Permanente-Deer Valley Medical Center

    Antioch, California, United States

  • Mission Hope Medical Oncology - Arroyo Grande

    Arroyo Grande, California, United States

  • Pcr Oncology

    Arroyo Grande, California, United States

  • Ais Cancer Center at San Joaquin Community Hospital

    Bakersfield, California, United States

  • Marshall Cancer Center

    Cameron Park, California, United States

  • Mercy Cancer Center �� Carmichael

    Carmichael, California, United States

  • Mercy San Juan Medical Center

    Carmichael, California, United States

  • Epic Care-Dublin

    Dublin, California, United States

  • Kaiser Permanente Dublin

    Dublin, California, United States

  • Mercy Cancer Center - Elk Grove

    Elk Grove, California, United States

  • Bay Area Breast Surgeons Inc

    Emeryville, California, United States

  • Epic Care Partners in Cancer Care

    Emeryville, California, United States

  • Kaiser Permanente-Fremont

    Fremont, California, United States

  • Fresno Cancer Center

    Fresno, California, United States

  • Kaiser Permanente-Fresno

    Fresno, California, United States

  • Contra Costa Regional Medical Center

    Martinez, California, United States

  • Fremont - Rideout Cancer Center

    Marysville, California, United States

  • Kaiser Permanente-Modesto

    Modesto, California, United States

  • Bay Area Tumor Institute

    Oakland, California, United States

  • Kaiser Permanente Oakland-Broadway

    Oakland, California, United States

  • Kaiser Permanente-Oakland

    Oakland, California, United States

  • Kaiser Permanente-Rancho Cordova Cancer Center

    Rancho Cordova, California, United States

  • Kaiser Permanente- Marshall Medical Offices

    Redwood City, California, United States

  • Kaiser Permanente-Richmond

    Richmond, California, United States

  • Mercy Cancer Center - Rocklin

    Rocklin, California, United States

  • Rohnert Park Cancer Center

    Rohnert Park, California, United States

  • Kaiser Permanente-Roseville

    Roseville, California, United States

  • the Permanente Medical Group-Roseville Radiation Oncology

    Roseville, California, United States

  • Kaiser Permanente Downtown Commons

    Sacramento, California, United States

  • Kaiser Permanente-South Sacramento

    Sacramento, California, United States

  • Mercy Cancer Center - Sacramento

    Sacramento, California, United States

  • South Sacramento Cancer Center

    Sacramento, California, United States

  • Kaiser Permanente-San Francisco

    San Francisco, California, United States

  • Kaiser Permanente-Santa Teresa-San Jose

    San Jose, California, United States

  • Kaiser Permanente San Leandro

    San Leandro, California, United States

  • Pacific Central Coast Health Center-San Luis Obispo

    San Luis Obispo, California, United States

  • Kaiser San Rafael-Gallinas

    San Rafael, California, United States

450 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
29 Mar 2023
Primary completion
1 May 2027
Completion
1 May 2028
Last update posted
2 Apr 2026
Registered enrollment
565
Registry id
NCT05568472

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.