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NCT03285412 · ClinicalTrials.gov registry record · Phase 2

CDK 4/6 Inhibitor, Ribociclib, With Adjuvant Endocrine Therapy for ER-positive Breast Cancer

A Phase 2 study of Breast Cancer, sponsored by Massachusetts General Hospital.

Active
Registry status
Phase 2
Development phase
120
Enrollment target
3
Study locations

NCT03285412: Active Phase 2 study of Breast Cancer, sponsored by Massachusetts General Hospital.

NCT03285412 is a Phase 2 study of Breast Cancer that is active but no longer recruiting, run by Massachusetts General Hospital. The registered enrollment target is 120 participants, below the 2,803-participant average among 1,224 other Breast Cancer trials with a reported enrollment target (96% lower). The trial reports 3 study locations across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03285412, a Phase 2 study of Breast Cancer, is active but no longer recruiting, sponsored by Massachusetts General Hospital.

ACTIVE NOT RECRUITING
Registry status
Phase 2
Development phase
120 participants
Enrollment target
3
Study locations

Study Summary

This research study is studying a drug as a possible treatment for ER-positive Breast Cancer The drug involved in this study is: -Ribociclib

Primary Outcome

tumor ctDNA response after 12 cycles of adjuvant ribociclib in combination with endocrine therapy vs endocrine therapy alone in patients with localized post-menopausal breast cancer and elevated ctDNA.

Conditions Studied

Interventions

  • DRUG Ribociclib
  • OTHER Endocrine therapy

Study Locations (3)

Massachusetts

  • Massachusetts General Hospital - Boston
  • Beth Israel Deaconess Medical Center - Boston
  • Mass General/North Shore Cancer Center - Danvers

Trial Details

FieldValue
Enrollment Target 120 participants
Start Date 2017-12-12
Est. Completion 2026-10
Phase Phase 2
Massachusetts General Hospital

2,032 total trials

What the registry record for NCT03285412 still lists

NCT03285412 is an interventional study that assigns participants to a tested intervention. The registered 120 participants enrollment target is mid-sized for trials with a published cap, below the 2,803-participant average among 1,224 other Breast Cancer trials with a reported enrollment target (96% lower).

The record links to 1 condition, with Breast Cancer appearing as the primary indexed condition, and to 2 interventions - of which Ribociclib is the first listed.

NCT03285412 reports a single indexed study location in Massachusetts.

Frequently Asked Questions

What is clinical trial NCT03285412 about?

NCT03285412 is a clinical study titled "CDK 4/6 Inhibitor, Ribociclib, With Adjuvant Endocrine Therapy for ER-positive Breast Cancer". This research study is studying a drug as a possible treatment for ER-positive Breast Cancer The drug involved in this study is: -Ribociclib

What is the current status of trial NCT03285412?

This trial is currently active not recruiting. It is a Phase 2 study. The enrollment target is 120 participants. The study started on 2017-12-12. Estimated completion is 2026-10.

What conditions does trial NCT03285412 study?

This clinical trial studies the following conditions: Breast Cancer.

What interventions are being tested in trial NCT03285412?

The interventions under investigation include: Ribociclib (DRUG), Endocrine therapy (OTHER).

Who is sponsoring clinical trial NCT03285412?

This trial is sponsored by Massachusetts General Hospital, which has 2,032 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03285412 being conducted?

This trial has 3 study locations across Massachusetts. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Breast Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03285412's enrollment target sits among peer trials

120 510th of 1224 higher than 703 of 1,224 other Breast Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Breast Cancer trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03285412, the US trial registry maintained by the National Library of Medicine. NCT03285412 (mid enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.