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Healthy VolunteersPhase 1NCT06247670

Study of CMP-CPS-001 in Healthy Volunteers and Participants With Abnormal Heterozygous OTC Genotype

A Phase 1 study testing CMP-CPS-001 in people with Healthy Volunteers and OTC Deficiency, run by CAMP4 Therapeutics Corporation at 2 sites in 2 countries.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The objective of this clinical study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of single and multiple ascending doses of CMP-CPS-001 administered as a subcutaneous injection in adult healthy volunteers and participants with abnormal heterozygous OTC genotype. Read more about this study

Who is it for?
Ages 16 to 65 yearsHealthy volunteers can take part
Conditions the study is for
Healthy Volunteers, OTC Deficiency
What is being tested?
CMP-CPS-001
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
120 participants
Where
2 sitesin 2 countries
Study dates
5 Feb 2024to Dec 2027
Phase
Phase 1
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 16 to 65 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • Participants 18 (SAD, MAD, OTC in AUS) or 16 (OTC in EU) to 65 years inclusive at time of informed consent
  • BMI ≥18.0 and ≤32 kg/m2 at screening, and ≤110 kg
  • Willing and able to sign informed consent form
  • OTC cohorts: female and must have confirmed heterozygous OTC genotype

Who cannot join

  • Any significant disease or disorder which, in the opinion of the Investigator, may either put the study participant at risk because of participation in the study, may influence the results of the study, or may affect the study participant's ability to participate in the study
  • Clinically relevant illness within 7 days before the first dose of study drug
  • History of intolerance to subcutaneous injection or relevant abdominal scarring
  • Laboratory results outside normal ranges at screening and judged as clinically relevant by the Investigator for liver function, kidney function, and platelets
  • Positive viral serology test results for human immunodeficiency virus type 1 or 2 antibodies, hepatitis B surface antigen or hepatitis C virus antibody
  • Any other safety laboratory result considered clinically significant and unacceptable by the Investigator

Trial locations and contacts

2 sites in 2 countries.

2 sites in 2 countries

Australia1 site
  • Nucleus Network Brisbane (also known as Q-Pharm Pty Ltd)

    Herston, Queensland

Other trials in Australia

Netherlands1 site
  • Erasmus MC

    Rotterdam

Other trials in Netherlands

About this study

Official title: A Double-blind, Placebo-controlled, Single and Multiple Ascending Dose Phase 1 Study of CMP-CPS-001 in Healthy Volunteers and Participants With Abnormal Heterozygous Ornithine Transcarbamylase (OTC) Genotype

The objective of this clinical study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of single and multiple ascending doses of CMP-CPS-001 administered as a subcutaneous injection in adult healthy volunteers and participants with abnormal heterozygous OTC genotype.

Read the detailed description

This is a randomized, double-blind (Sponsor-open), and placebo-controlled study.

The SAD part will be conducted in approximately 48 healthy volunteers, in 4 cohorts of 12, randomized 3:1 to receive a single subcutaneous dose of CMP-CPS-001 or placebo. Participants will be followed for 42 days after dosing.

The MAD part will be conducted in approximately 48 healthy volunteers, in 4 cohorts of 12, randomized 3:1 to receive 3 monthly doses of CMP-CPS-001 or placebo. Participants will be followed for 56 days after the last dose.

Up to 12 participants in Australia and up to 12 participants in EU with abnormal heterozygous OTC genotype will be randomized 3:1 to receive 3 monthly doses of CMP-CPS-001 or placebo. Participants will be followed for 56 days after the last dose.

Being tested
CMP-CPS-001, Placebo
Keywords
Healthy Volunteers, Antisense Oligonucleotides, Urea Cycle Disorder
Medical subject headings
Ornithine Carbamoyltransferase Deficiency Disease, Urea Cycle Disorders, Inborn

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CMP-CPS-001Drug

    CMP-CPS-001 consists of an antisense oligonucleotide solution that will be administered subcutaneously.

  • PlaceboOther

    Placebo is 0.9% normal saline solution and will be administered subcutaneously.

Study groups in NCT06247670
Study groupRoleWhat they receive
Single Ascending Dose PartExperimentalAdult healthy volunteers in 4 cohorts of 12 will receive CMP-CPS-001 or placebo. Four dose levels will be evaluated.
Receives: Drug: CMP-CPS-001; Other: Placebo
Multiple Ascending Dose PartExperimentalAdult healthy volunteers in 4 cohorts of 12 will receive 3 monthly doses of either CMP-CPS-001 or placebo. Four dose levels will be evaluated.
Receives: Drug: CMP-CPS-001; Other: Placebo
OTC Heterozygous Participants in AustraliaExperimentalUp to 12 clinically healthy female participants who have an abnormal heterozygous OTC genotype will receive 3 monthly doses of either CMP-CPS-001 or placebo.
Receives: Drug: CMP-CPS-001; Other: Placebo
OTC Heterozygous Participants in EUExperimentalUp to 12 clinically healthy female participants who have an abnormal heterozygous OTC genotype will receive 3 monthly doses of either CMP-CPS-001 or placebo.
Receives: Drug: CMP-CPS-001; Other: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Adverse events

    Incidence of adverse events, including dose limiting toxicities, after administration of CMP-CPS-001

    Measured: Screening until 42 days (SAD) or 112 days (MAD, OTC) after dosing

Secondary outcomes (3)
  1. Plasma PK

    Plasma concentration of CMP-CPS-001

    Measured: Pre-dose (Day 1) until 42 days (SAD) or 112 days (MAD, OTC) after dosing

  2. Urinary excretion of CMP-CPS-001

    Urine concentration of CMP-CPS-001

    Measured: 42 days (SAD) or 111 days (MAD, OTC) after dosing

  3. Pharmacodynamic effect of CMP-CPS-001 on ureagenesis

    Ureagenesis rate test determination

    Measured: Run-in (Day -7) until 42 days (SAD) or 112 days (MAD, OTC) after dosing

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Feb 2024
  2. Study start5 Feb 2024
  3. Primary completionDec 2027 (estimated)
  4. Study completionDec 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
120 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06247670
Sponsor's protocol ID
CPS-101
Status last verified
Apr 2026
First submitted
22 Jan 2024
Last updated
22 Apr 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing CMP-CPS-001 in people with Healthy Volunteers and OTC Deficiency, run by CAMP4 Therapeutics Corporation at 2 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 22 Apr 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Australia, Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Adverse events (time frame: Screening until 42 days (SAD) or 112 days (MAD, OTC) after dosing). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Apr 2026.

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