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NCT05431270 · ClinicalTrials.gov registry record · Phase 1

Dose Escalation/Expansion Study of Mavrostobart (PT199), an Anti-CD73 MAb, Administered Alone and in Combination with a PD-1 Inhibitor or Chemotherapy (the MORNINGSTAR Study)

A Phase 1 study of Non-Small Cell Lung Cancer and Pancreatic Ductal Adenocarcinoma, sponsored by Phanes Therapeutics.

Recruiting
Registry status
Phase 1
Development phase
40
Enrollment target
6
Study locations

NCT05431270: Recruiting Phase 1 study of Non-Small Cell Lung Cancer and Pancreatic Ductal Adenocarcinoma, sponsored by Phanes Therapeutics.

NCT05431270 is a Phase 1 study of Non-Small Cell Lung Cancer and Pancreatic Ductal Adenocarcinoma that is actively recruiting participants, run by Phanes Therapeutics. The registered enrollment target is 40 participants, below the 652-participant average among 454 other Non-Small Cell Lung Cancer trials with a reported enrollment target (94% lower). The trial reports 6 study locations across 5 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05431270, a Phase 1 study of Non-Small Cell Lung Cancer and Pancreatic Ductal Adenocarcinoma, is actively recruiting participants, sponsored by Phanes Therapeutics.

RECRUITING
Registry status
Phase 1
Development phase
40 participants
Enrollment target
6
Study locations

Study Summary

This is a first-in-human, Phase 1/2, open-label, study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Mavrostobart (PT199) alone and in combination with a PD-1 inhibitor or chemotherapy.

Interventions

  • DRUG Docetaxel
  • DRUG Pemetrexed
  • DRUG Tislelizumab
  • DRUG Mavrostobart (PT199)
  • DRUG Gemcitabine + nab-Paclitaxel

Study Locations (6)

Texas

  • The University of Texas MD Anderson Cancer Center - Houston
  • Tranquility Research - Webster

North Carolina

  • Carolina BioOncology Institute - Huntersville

Oklahoma

  • Sarah Cannon Research Institute University of Oklahoma - Oklahoma City

Tennessee

  • SCRI Oncology Partners - Nashville

Virginia

  • NEXT Oncology - Fairfax

Trial Details

FieldValue
Enrollment Target 40 participants
Start Date 2022-08-11
Est. Completion 2028-08
Phase Phase 1
Phanes Therapeutics

3 total trials

What NCT05431270 shows while recruiting

NCT05431270 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 40 participants, a relatively small participant target, below the 652-participant average among 454 other Non-Small Cell Lung Cancer trials with a reported enrollment target (94% lower).

The record links to 2 conditions, with Non-Small Cell Lung Cancer appearing as the primary indexed condition, and to 5 interventions - of which Docetaxel is the first listed.

NCT05431270 lists 6 locations in 5 states (Texas, North Carolina, Oklahoma).

Frequently Asked Questions

What is clinical trial NCT05431270 about?

NCT05431270 is a clinical study titled "Dose Escalation/Expansion Study of Mavrostobart (PT199), an Anti-CD73 MAb, Administered Alone and in Combination with a PD-1 Inhibitor or Chemotherapy (the MORNINGSTAR Study)". This is a first-in-human, Phase 1/2, open-label, study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Mavrostobart (PT199) alone and in combination with a PD-1 inhibitor or chemotherapy.

What is the current status of trial NCT05431270?

This trial is currently recruiting. It is a Phase 1 study. The enrollment target is 40 participants. The study started on 2022-08-11. Estimated completion is 2028-08.

What conditions does trial NCT05431270 study?

This clinical trial studies the following conditions: Non-Small Cell Lung Cancer, Pancreatic Ductal Adenocarcinoma.

What interventions are being tested in trial NCT05431270?

The interventions under investigation include: Docetaxel (DRUG), Pemetrexed (DRUG), Tislelizumab (DRUG), Mavrostobart (PT199) (DRUG), Gemcitabine + nab-Paclitaxel (DRUG).

Who is sponsoring clinical trial NCT05431270?

This trial is sponsored by Phanes Therapeutics, which has 3 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05431270 being conducted?

This trial has 6 study locations across North Carolina, Oklahoma, Tennessee, Texas, Virginia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Non-Small Cell Lung 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 NCT05431270's enrollment target sits among peer trials

40 360th of 454 higher than 87 of 454 other Non-Small Cell Lung Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Non-Small Cell Lung 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 NCT05431270, the US trial registry maintained by the National Library of Medicine. NCT05431270 (small enrollment · multi site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.