Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04726332 · ClinicalTrials.gov registry record · Phase 1

Study of XL102 as Single-Agent and Combination Therapy in Subjects With Solid Tumors (QUARTZ-101)

A Phase 1 study, sponsored by Exelixis.

Terminated
Registry status
Phase 1
Development phase
52
Enrollment target

NCT04726332: Clinical Trial Phase 1 study, sponsored by Exelixis.

NCT04726332 is a Phase 1 study that was terminated before completion, run by Exelixis. The registered enrollment target is 52 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (13% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04726332, a Phase 1 study, was terminated before completion, sponsored by Exelixis.

TERMINATED
Registry status
Phase 1
Development phase
52 participants
Enrollment target

Study Summary

This is a Phase 1, open-label, dose-escalation and expansion study evaluating the safety, tolerability, PK, antitumor activity, and effect on biomarkers of XL102 administered orally alone and in multiple combination regimens to subjects with advanced solid tumors.

Primary Outcome

To determine the MTD and/or RD for further evaluation of XL102 when administered orally alone and in combination therapy in subjects with advanced solid tumors

Interventions

  • DRUG Fulvestrant
  • DRUG Prednisone
  • DRUG Abiraterone
  • DRUG XL102

Trial Details

FieldValue
Enrollment Target 52 participants
Start Date 2021-02-10
Est. Completion 2024-05-02
Phase Phase 1
Exelixis

48 total trials

Why NCT04726332 stopped before completion

NCT04726332 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 52 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (13% lower).

The record links to 0 conditions, and to 4 interventions - of which Fulvestrant is the first listed.

NCT04726332 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04726332 about?

NCT04726332 is a clinical study titled "Study of XL102 as Single-Agent and Combination Therapy in Subjects With Solid Tumors (QUARTZ-101)". This is a Phase 1, open-label, dose-escalation and expansion study evaluating the safety, tolerability, PK, antitumor activity, and effect on biomarkers of XL102 administered orally alone and in multiple combination regimens to subjects with advanced solid tumors.

What is the current status of trial NCT04726332?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 52 participants. The study started on 2021-02-10. Estimated completion is 2024-05-02.

What interventions are being tested in trial NCT04726332?

The interventions under investigation include: Fulvestrant (DRUG), Prednisone (DRUG), Abiraterone (DRUG), XL102 (DRUG).

Who is sponsoring clinical trial NCT04726332?

This trial is sponsored by Exelixis, which has 48 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04726332's enrollment target sits among peer trials

52 956th of 2000 higher than 1,032 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02630121 · 52 participants · Phase 4

    Effect of Oxymetazoline Hydrochloride in Combination With Fluticasone Propionate on the Apnea Hypopnea Index (AHI) in Subject With Persistent Nasal Congestion and Mild Obstructive Sleep Apnea

  • NCT03629171 · 52 participants · Phase 2

    Liposome-encapsulated Daunorubicin-Cytarabine and Venetoclax in Treating Participants With Relapsed, Refractory or Untreated Acute Myeloid Leukemia

  • NCT04128748 · 52 participants · Phase 1

    Liposomal Cytarabine and Daunorubicin (CPX-351) and Quizartinib for the Treatment of Acute Myeloid Leukemia and High Risk Myelodysplastic Syndrome

  • NCT04150497 · 52 participants · Phase 1

    Phase 1/2 Study of UCART22 in Patients With Relapsed or Refractory CD22+ B-cell Acute Lymphoblastic Leukemia (BALLI-01)

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04726332, the US trial registry maintained by the National Library of Medicine. NCT04726332 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.