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A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of CTX001 in Healthy Adults.

keskiviikko 10. kesäkuuta 2026 päivittänyt: Cajal Therapeutics Inc.

A Phase 1, 3-Part, Randomized, Double-blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single and Multiple Ascending Oral Doses of CTX001 in Healthy Adult Participants.

This study is testing CTX001 for certain conditions where the body does not have enough available iron or has difficulty storing or moving iron properly. The purpose of this study is to investigate any side effects that may happen with CTX001, how CTX001 is absorbed by and processed in the body, and how CTX001 affects iron levels in the blood when administered with or without iron and/or food.

Tutkimuksen yleiskatsaus

Tila

Rekrytointi

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

The study drug CTX001 is an investigational treatment for certain diseases where the body does not have enough iron in the bone marrow (the hollow inner parts of bones). Iron is an important part of red blood cells, which are made in the bone marrow. When there is not enough iron in the bone marrow, it can lead to anaemia. Conditions like chronic kidney disease, bone marrow diseases, intestinal diseases, and bleeding disorders all can cause anaemia due to low iron levels, or iron that gets trapped in other body parts like the spleen and cannot get to the bone marrow. Although anemia can sometimes be treated with iron pills or iron infusions, some patients cannot tolerate these treatments and others do not respond to them because either their intestines don't absorb the iron or because the body has improperly stored the iron where it can't be used to make red blood cells. CTX001 is a pill that is swallowed by mouth. Inside the body, CTX001 is expected to bind to iron, help the iron be absorbed by the intestine and help the iron move out of body parts where it might be stuck. If effective, CTX001 could be used to treat anemia in patients with chronic health conditions.

Opintotyyppi

Interventio

Ilmoittautuminen (Arvioitu)

72

Vaihe

  • Varhainen vaihe 1

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskeluyhteys

Opiskelupaikat

  • Australia
    • Victoria
      • Melbourne, Victoria, Australia, 3004
        • Rekrytointi
        • Nucleus Network

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

  • Aikuinen

Hyväksyy terveitä vapaaehtoisia

Joo

Kuvaus

Inclusion Criteria:

  • Capable of giving informed consent
  • Agrees to use effective contraception
  • Body Mass Index (BMI) between 18.0 and 32.0 kg/m2
  • Healthy by medical evaluation and medical history
  • Hematological parameters, serum iron, transferrin and ferritin are within normal range and transferrin saturation is within normal range and greater than or equal to 20%
  • Can swallow tablets and has suitable venous access for blood sampling

Exclusion Criteria:

  • Has dietary requirements that may be difficult to accommodate
  • Is a regular user of cannabis or has a history of illicit drug abuse within 1 year
  • Has a history of alcohol abuse or binge drinking within 6 months
  • Is a regular user of tobacco or nicotine-containing products
  • Unwilling or unable to comply with the lifestyle guidelines described in the protocol
  • Has clinically significant history or evidence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, neurological, immunological, or psychiatric disorder(s) as determined by the Investigator
  • Has any concurrent disease or condition or physical, psychological, mental, and/or social reason that, in the opinion of the Investigator, would make the participant unsuitable for participation in the clinical study
  • Has received a blood transfusion within 1 year
  • Has donated whole blood within 6 months or plasma within 30 days
  • Requires prescription medication or regular use of non-prescription medication
  • Is an employee of the Sponsor, the CRO, or of any organization or site(s) associated with this study, or any immediate family member who is in a dependent relationship with a study site employee who is involved in the conduct of the study

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Hoito
  • Jako: Satunnaistettu
  • Inventiomalli: Peräkkäinen tehtävä
  • Naamiointi: Nelinkertaistaa

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: Single Ascending Dose (CTX001)
Up to 5 sequential, single ascending dose cohorts.
Lääke: CTX001 With and Without Iron
There are two treatment periods. In the first, CTX001 is administered as a single dose (tablet) by itself. In the second, CTX001 is administered as a single dose (tablet) with iron.
Placebo Comparator: Single Ascending Dose (Placebo)
Up to 5 sequential, single ascending dose cohorts
Lääke: Placebo With and Without Iron
There are two treatment periods. In the first, placebo is administered as a single dose (tablet) by itself. In the second, placebo is administered as a single dose (tablet) with iron.
Kokeellinen: Food Effect (CTX001)
Up to 3 sequential, single ascending dose food effect cohorts
Lääke: CTX001 With Iron
There are two treatment periods. In one, CTX001 is administered as a single dose (tablet) with iron (tablet) following a high fat, high calorie meal. In the other, CTX001 is administered as a single dose (tablet) with iron (tablet) under fasting conditions.
Placebo Comparator: Food Effect (Placebo)
Up to 3 sequential, single ascending dose food effect cohorts
Lääke: Placebo With Iron
There are two treatment periods. In one, placebo is administered as a single dose (tablet) with iron (tablet) following a high fat, high calorie meal. In the other, placebo is administered as a single dose (tablet) with iron (tablet) under fasting conditions.
Kokeellinen: Multiple Ascending Dose (CTX001)
Up to 3 multiple ascending dose cohorts.
Lääke: CTX001 Multiple Dose
CTX001 (tablet) is administered daily for 7 consecutive days.
Placebo Comparator: Multiple Ascending Dose (Placebo)
Up to 3 multiple ascending dose cohorts
Lääke: Placebo Multiple Dose
Placebo (tablet) is administered daily for 7 consecutive days.

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Number of Participants with Treatment-Emergent Adverse Events (TEAEs)
Aikaikkuna: From first dose of study drug through the last study visit, approximately 15 days.
An adverse event (AE) is any untoward medical occurrence in a participant, whether or not considered related to the study intervention. An AE was considered a treatment-emergent AE (TEAE) if the AE started after initial study drug administration and before the last study visit.
From first dose of study drug through the last study visit, approximately 15 days.
Number of Participants with Serious TEAEs
Aikaikkuna: From first dose of study drug through the last study visit, approximately 15 days.
A serious AE (SAE) is defined as any AE that, at any dose, meets one or more of the following criteria: results in death; is life-threatening; requires inpatient hospitalization or prolongation of existing hospitalization; results in persistent or significant disability or incapacity; results in a congenital anomaly or birth defect; or any important medical event that may jeopardize the participant or may require medical intervention to prevent one of the outcomes listed above.
From first dose of study drug through the last study visit, approximately 15 days.
Number of Participants with Clinically Significant Changes in Physical Examination
Aikaikkuna: From the first dose of study drug through the last study visit; approximately 15 days.
Abnormalities in physical examinations were based on investigator's discretion.
From the first dose of study drug through the last study visit; approximately 15 days.
Number of Participants with Clinically Significant Changes in Safety Laboratory Values
Aikaikkuna: From first dose of study drug through last study visit, approximately 15 days.
Safety laboratory evaluations included blood counts, serum chemistries, coagulation studies, and urinalyses. Determination of clinical significance was based on investigator discretion.
From first dose of study drug through last study visit, approximately 15 days.
Number of Participants with Clinically Significant Changes in Vital Signs
Aikaikkuna: From the first dose of study drug through the last study visit, approximately 15 days.
Vital signs included heart rate, respiratory rate, blood pressure, and temperature. Determination of clinical significance was based on investigator discretion.
From the first dose of study drug through the last study visit, approximately 15 days.
Number of Participants with Clinically Significant Changes in Electrocardiograms
Aikaikkuna: From the first dose of study drug through the last study visit, approximately 15 days.
Electrocardiograms are tests that measure the electrical activity of the heart. Determination of clinical significance was based on investigator discretion.
From the first dose of study drug through the last study visit, approximately 15 days.

Toissijaiset tulostoimenpiteet

Tulosmittaus
Aikaikkuna
Maximum Observed Plasma Concentration (Cmax) of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Time to Maximum Observed Plasma Concentration (Tmax) of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Area Under the Curve from Time Zero Extrapolated to Infinity (AUC0-inf) of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Area Under the Curve From Time Zero to Time of Last Quantifiable Concentration (AUC0-t) of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Apparent Clearance (CL/F) of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Plasma Half-Life of CTX001
Aikaikkuna: Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 15 minutes, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 8 hours and 24 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Maximum Change in Serum Iron From Baseline
Aikaikkuna: Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Maximum Change in Serum Transferrin From Baseline
Aikaikkuna: Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Maximum Change in Serum Transferrin Saturation From Baseline
Aikaikkuna: Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Maximum Change in Serum Ferritin From Baseline
Aikaikkuna: Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).
Pre-dose, 30 minutes, 1 hour, 2 hours, 4 hours, and 8 hours after the Day 1 and Day 8 doses (SAD and Food Effect Cohorts) or the Day 1 and Day 7 doses (MAD Cohorts).

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

Cajal Therapeutics Inc.

Tutkijat

  • Päätutkija: Aarthy Joseph, Dr, Nucleus Network

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

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Muut tutkimustunnusnumerot

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