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

NCT05999513 · ClinicalTrials.gov registry record · Phase 1

A Relative Bioavailability Study and Food Effect Study of AB521 in Healthy Adult Volunteers

A Phase 1 study, sponsored by Arcus Biosciences.

Completed
Registry status
Phase 1
Development phase
24
Enrollment target

NCT05999513: Completed Phase 1 study, sponsored by Arcus Biosciences.

NCT05999513 is a Phase 1 study that has completed, run by Arcus Biosciences. The registered enrollment target is 24 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (60% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05999513, a Phase 1 study, has completed, sponsored by Arcus Biosciences.

COMPLETED
Registry status
Phase 1
Development phase
24 participants
Enrollment target

Study Summary

The primary purpose of this study is to compare the single-dose pharmacokinetics (PK) of casdatifan tablet versus the casdatifan capsule, and to evaluate the effect of food on the single-dose PK of casdatifan tablet in healthy adult volunteers.

Interventions

  • DRUG casdatifan

Trial Details

FieldValue
Enrollment Target 24 participants
Start Date 2023-08-21
Est. Completion 2023-10-31
Phase Phase 1
Arcus Biosciences

25 total trials

What the finished NCT05999513 record still lists

NCT05999513 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 24 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (60% lower).

The record links to 0 conditions, and to 1 intervention - of which casdatifan is the first listed.

NCT05999513 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05999513 about?

NCT05999513 is a clinical study titled "A Relative Bioavailability Study and Food Effect Study of AB521 in Healthy Adult Volunteers". The primary purpose of this study is to compare the single-dose pharmacokinetics (PK) of casdatifan tablet versus the casdatifan capsule, and to evaluate the effect of food on the single-dose PK of casdatifan tablet in healthy adult volunteers.

What is the current status of trial NCT05999513?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 24 participants. The study started on 2023-08-21. Estimated completion is 2023-10-31.

What interventions are being tested in trial NCT05999513?

The interventions under investigation include: casdatifan (DRUG).

Who is sponsoring clinical trial NCT05999513?

This trial is sponsored by Arcus Biosciences, which has 25 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05999513's enrollment target sits among peer trials

24 1520th of 2000 higher than 405 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

  • NCT02331979 · 24 participants · NA

    Improving Bladder Function in SCI by Neuromodulation

  • NCT03096197 · 24 participants · NA

    Exoskeleton and Spinal Cord Stimulation for SCI

  • NCT03223922 · 24 participants · NA

    Neurocognitive Functioning With Genu-Sparing Whole Brain Radiation Therapy for Brain Metastases

  • NCT03326921 · 24 participants · Phase 1

    HA-1 T TCR T Cell Immunotherapy for the Treatment of Patients With Relapsed or Refractory Acute Leukemia After Donor Stem Cell Transplant

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 NCT05999513, the US trial registry maintained by the National Library of Medicine. NCT05999513 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.