Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Undersøgelse for at vurdere sikkerheden og effektiviteten af ​​Tenapanor til behandling af IBS-C

18. september 2026 opdateret af: Ardelyx

Et 12-ugers, randomiseret, dobbeltblindt, placebokontrolleret, fase 3-studie for at vurdere sikkerheden og effektiviteten af ​​Tenapanor til behandling af irritabel tyktarm med obstipation (IBS-C) hos pædiatriske patienter 12 til under 18 år gamle

This is a randomized, double-blind, placebo-controlled study to assess the efficacy, safety and tolerability of tenapanor (25 mg and 50 mg) in pediatric patients (≥12 and <18 years old) with IBS-C when administered twice daily (BID) for 12 consecutive weeks.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study consists of 2-week screening period followed by 12 week randomized treatment period (RTP) and a 2-week treatment-free Follow-Up period (only for patients who will not enter the 40-week Long Term Safety Extension Study [TEN-01-306]). At the beginning of the 2-week Screening period, patients who provide written assent will be fully assessed for eligibility into the study and will be asked to self-report daily information about the status of their IBS symptoms via an electronic diary (eDiary) device. Patient compliance with the eDiary will be monitored actively by the site staff and will be reviewed to determine eligibility at the end of screening. Eligible patients will be randomized to receive one of the study medications: tenapanor 25 mg BID, tenapanor 50 mg BID, or placebo.

During the 12-week double-blind RTP, patients will continue recording daily assessments via the eDiary system as instructed and compliance with eDiary entries will be monitored on an ongoing basis. Patients will return for study visit every two or four weeks (Visits 3-6) and will undergo safety assessments at these visits.

Patients who do not enter the 40-week Long Term Safety Extension Study [TEN-01-306] including those who complete the RTP but do not enter study TEN-01-306 and those who prematurely discontinue from the RTP, a Follow-Up Visit will be scheduled approximately 2 weeks after the completion of the RTP (Visit 6) or the Early Termination Visit at which safety assessments will be performed

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

180

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Alabama
      • Foley, Alabama, Forenede Stater, 36535
        • G & L Research, LLC
    • Arizona
      • Tucson, Arizona, Forenede Stater, 85745
        • Eclipse Clinical Research
    • Arkansas
      • Little Rock, Arkansas, Forenede Stater, 72205
        • Applied Research Center of Arkansas
    • California
      • Anaheim, California, Forenede Stater, 92805
        • Advanced Research Center, Inc.
    • Connecticut
      • Hartford, Connecticut, Forenede Stater, 06106
        • Connecticut Children's Medical Center
    • Florida
      • Doral, Florida, Forenede Stater, 33166
        • Prohealth Research Center
      • Kissimmee, Florida, Forenede Stater, 34741
        • I.H.S. Health, LLC
      • Miami, Florida, Forenede Stater, 33165
        • Valencia Medical and Research Center
      • Miami, Florida, Forenede Stater, 33155
        • Waterway Research & Associates Corp
      • Orlando, Florida, Forenede Stater, 32806
        • Orlando Health, Inc.- APH Center for Digestive Health and Nutrition
      • South Miami, Florida, Forenede Stater, 33143
        • Florida Pharmaceutical Research and Associates, Inc.
    • Georgia
      • Stockbridge, Georgia, Forenede Stater, 30281
        • Clinical Research Institute
    • Illinois
      • Peoria, Illinois, Forenede Stater, 61637
        • OSF Saint Francis Medical Center
    • Indiana
      • Indianapolis, Indiana, Forenede Stater, 46202
        • Riley Children's Health IUH
    • Maine
      • Portland, Maine, Forenede Stater, 04102
        • Maine Health
    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02115
        • Boston Children's Hospital
    • Minnesota
      • Mankato, Minnesota, Forenede Stater, 56001
        • Mankato Clinic/ Javara Research Ltd
    • Nebraska
      • Boys Town, Nebraska, Forenede Stater, 68010
        • Boys Town National Research Hospital
    • New Jersey
      • Irvington, New Jersey, Forenede Stater, 07111
        • Med Clinical Research Partners, LLC
    • New Mexico
      • Albuquerque, New Mexico, Forenede Stater, 87131
        • University of New Mexico Health Sciences Center
    • New York
      • Brooklyn, New York, Forenede Stater, 11203
        • SUNY Downstate Medical Center
      • Rochester, New York, Forenede Stater, 14642
        • University of Rochester
      • The Bronx, New York, Forenede Stater, 10467
        • Advantage Clinical Trials
    • North Carolina
      • Charlotte, North Carolina, Forenede Stater, 28203
        • Atrium Health
      • Durham, North Carolina, Forenede Stater, 27705
        • Duke University School of Medicine
      • Wilmington, North Carolina, Forenede Stater, 28401
        • Wilmington Health
    • Pennsylvania
      • Scottdale, Pennsylvania, Forenede Stater, 15683
        • Frontier Clinical Research, LLC
      • Smithfield, Pennsylvania, Forenede Stater, 15478
        • Frontier Clinical Research, LLC
    • South Carolina
      • Greenville, South Carolina, Forenede Stater, 29615
        • Prisma Health Children's Hospital
    • Texas
      • Abilene, Texas, Forenede Stater, 79606
        • Advance Clinical Trial PLLC
      • El Paso, Texas, Forenede Stater, 79902
        • Maspons Pediatric Gastro
      • El Paso, Texas, Forenede Stater, 79902
        • Proactive El Paso, LLC
      • Harlingen, Texas, Forenede Stater, 78550
        • Texas Digestive Specialists
      • Plano, Texas, Forenede Stater, 75093
        • AIM Trials, LLC
      • San Antonio, Texas, Forenede Stater, 78215
        • Sun Research Institute
      • Sugar Land, Texas, Forenede Stater, 77479
        • Pioneer Research Solutions Inc
      • Waxahachie, Texas, Forenede Stater, 75165
        • ClinPoint Trials
    • West Virginia
      • Huntington, West Virginia, Forenede Stater, 25701
        • University Physicians and Surgeons, Inc.
      • Kingwood, West Virginia, Forenede Stater, 26537
        • Frontier Clinical Research

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

12 år til 17 år (Barn)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • ≥12 and <18 years old
  • Patient weighs ≥18 kg at the time the patient provides written assent
  • Females of child-bearing potential must have negative pregnancy test at Visit 1 (serum) and Visit 2 (urine) and confirm the use of appropriate contraception (including abstinence).
  • Patient meets the Rome IV criteria for child/adolescent diagnosis of IBS-C
  • Patient is willing to discontinue any laxatives used in favor of the protocol-permitted rescue medicine (which will only be allowed after 72 hours with no bowel movement)
  • Patient meets the entry criteria assessed during the 2-week Screening period.
  • Ability of both the patient and parent/guardian/LAR to communicate with the Investigator and to comply with the requirements of the entire study, including an understanding of the assessments in the eDiary and how to use the eDiary device
  • Patient must provide written assent and the parent/guardian/LAR must provide written informed consent before the initiation of any study-specific procedures

Exclusion Criteria:

  • Functional diarrhea as defined by Rome IV child/adolescent criteria

  • IBS with diarrhea (IBS-D), mixed IBS (IBS-M), or unsubtyped IBS as defined by Rome IV child/adolescent criteria

  • History of non-retentive fecal incontinence.

  • Required manual disimpaction any time prior to randomization (after consent);

  • Has both unexplained and clinically significant alarm symptoms (lower gastrointestinal [GI] bleeding [rectal bleeding or heme-positive stool], iron-deficiency anemia, or any unexplained anemia, or weight loss) and systemic signs of infection or colitis, or any neoplastic process

  • Patient has any of the following conditions:

    • Celiac disease, or positive serological test for celiac disease
    • Cystic fibrosis
    • Hypothyroidism that is untreated or treated with thyroid hormone
    • Down's syndrome or any other chromosomal disorder
    • Active anal fissure
    • Anatomic malformations (eg, imperforate anus)
    • Intestinal nerve or muscle disorders (eg, Hirschprung disease)
    • Neuropathic conditions (eg, spinal cord abnormalities)
    • Lead toxicity, hypercalcemia
    • Neurodevelopmental disabilities producing a cognitive delay that precludes comprehension and completion of the daily eDiary (Electronic handheld device)
    • Inflammatory bowel disease
    • Childhood functional abdominal pain syndrome
    • Childhood functional abdominal pain;
    • Poorly treated or poorly controlled psychiatric disorders that might influence his or her ability to participate in the study;
    • Lactose intolerance that is associated with abdominal pain or discomfort
    • History of cancer other than treated basal cell carcinoma of the skin; (Note: Patients with a history of cancer are allowed provided that the malignancy has been in a complete remission for at least 5 years before the Randomization Visit.)
    • History of diabetic neuropathy.
  • Use of medications that are known to affect stool consistency (Prohibited Medications), including fiber supplements, anti-diarrheals, cathartics, antacids, opiates, prokinetic drugs, laxatives, enemas, antibiotics during the Screening period; unless specified as rescue medication, and used accordingly as directed by the Investigator.

  • Patient has had surgery that meets any of the following criteria:

    • Bariatric surgery for treatment of obesity, or surgery to remove a segment of the GI tract at any time before the Screening Visit;
    • Surgery of the abdomen, pelvis, or retroperitoneal structures during the 6 months before the Screening Visit;
    • An appendectomy or cholecystectomy during the 60 days before the Screening Visit;
    • Other major surgery during the 30 days before the Screening Visit
  • History of alcohol or substance abuse

  • Participation in other clinical trials within 1 month prior to Screening

  • Patient and/or parent/guardian/LAR is involved in the conduct and/or administration of this trial as an investigator, sub-investigator, trial coordinator, or other staff member, or the patient is a first-degree family member, significant other, or relative residing with one of the above persons involved in the trial

  • If, in the opinion of the Investigator, the patient is unable or unwilling to fulfill the requirements of the protocol or has a condition, which would render the results uninterpretable

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Tenpanor 50 mg BID

Patients will be randomized to receive 50 mg tenapanor twice daily

Participants will receive tenapanor 50 mg BID (total of 100 mg daily)

Eksperimentel: Tenpanor 25 mg BID

Patients will be randomized to receive 25 mg tenapanor twice daily

Participants will receive tenapanor 25 mg BID (total of 50 mg daily)

Placebo komparator: Placebo Comparator

Patients will be randomized to receive matching placebo twice daily

Participants will be randomized to receive matching placebo

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
6/12-week APS (abdominal pain and SBM) +2 response
Tidsramme: 12 weeks

6/12-week APS (abdominal pain and SBM (spontaneous bowel movement)) +2 response, defined as achieving the weekly APS +2 response criteria (i.e., achieving both weekly SBM +2 response and weekly abdominal pain response during the same week) for ≥6 out of the 12 weeks of the RTP.

  • The weekly SBM +2 response is defined as having an increase of ≥2 from baseline in the average weekly SBM frequency for a given week
  • The weekly abdominal pain response is defined as having ≥30% reduction from baseline in the average weekly abdominal pain score for a given week
12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
6/12-week SBM +2 response
Tidsramme: 12 weeks

6/12-week SBM +2 response: defined as achieving the weekly SBM +2 response for ≥6 out of the 12 weeks of the RTP

12 weeks
6/12-week abdominal pain response
Tidsramme: 12 weeks

6/12-week abdominal pain response: defined as achieving the weekly abdominal pain response for ≥6 out of the 12 weeks of the RTP

12 weeks
Change from baseline in average weekly SBM frequency
Tidsramme: 12 weeks

Change from baseline in average weekly SBM frequency

12 weeks
Change from baseline in average weekly stool consistency score
Tidsramme: 12 weeks

Change from baseline in average weekly stool consistency score

12 weeks
Change from baseline in average weekly abdominal pain score
Tidsramme: 12 weeks

Change from baseline in average weekly abdominal pain score

12 weeks
Overall use of rescue medication
Tidsramme: 12 weeks

Overall use of rescue medication

12 weeks

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Studieleder: Jocelyn Tabora, Ardelyx

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

15. november 2022

Primær færdiggørelse (Faktiske)

20. august 2026

Studieafslutning (Faktiske)

20. august 2026

Datoer for studieregistrering

Først indsendt

30. november 2022

Først indsendt, der opfyldte QC-kriterier

30. november 2022

Først opslået (Faktiske)

8. december 2022

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • TEN-01-304

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .