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Pentalogy of CantrellNCT00083499

Mutations in Genes Associated With Pentalogy of Cantrell

An observational study of Pentalogy of Cantrell, run by National Heart, Lung, and Blood Institute (NHLBI) at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study will collect blood, urine, and other tissue samples from patients with Pentalogy of Cantrell (POC) and other inherited diseases that may involve mutations in non-muscle myosin II-B heavy chain (MYH10). We will also collect samples from the relatives of affected individuals. Read more about this study

Who is it for?
Ages Up to 100 years
Conditions the study is for
Pentalogy of Cantrell
How many people
59 participants
Where
2 sitesUnited States
Study dates
15 Sep 2004to 6 Sep 2019
Phase
Observational
Are there results?
None posted in the registry

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 Up to 100 years
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Primary clinical

Who may be able to join

  • Index Cases
  • Those patients who have a diagnosis of POC or other related syndromes (as defined under Study Design) confirmed by telephone discussion between the investigators and the patient s physician.
  • Outside Institutions- All ages will be included
  • At the Clinical Center - Those subjects that are greater than or equal to 2 years of age and older.
  • Relatives of Index Cases
  • We may obtain samples from family members and/or relatives of those individuals who have a diagnosis of POC or other related syndrome confirmed by telephone discussion between the investigators and the referring physician with knowledge of the index case.
Show all 13Show fewer
  • Outside Institutions - All ages will be included. At the Clinical Center - Those subjects that are greater than or equal to 2 years of age and older
  • Fetal tissue:
  • We may obtain samples from patients with a fetal diagnosis of POC or other related syndrome with diagnosis confirmed by telephone discussion between the investigators and the referring physician.
  • Research use of the fetal tissue in accordance to NIH Division of Intramural Research (DIR) Program fetal tissue policy guidelines:
  • No profits will be involved;
  • NIH researchers will have no involvement in the termination of pregnancy, and
  • The tissue must be obtained in accordance with Federal, state, and local law including those that govern basic research using human fetal tissue and research involving the transplantation of fetal tissue.

Who cannot join

  • Subjects seen at the Clinical Center - Those subjects that are less than or equal to 2 years of age and older.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, 20892

  • Baylor College of Medicine

    Houston, Texas, 77030

Other trials in United States

About this study

This study will collect blood, urine, and other tissue samples from patients with Pentalogy of Cantrell (POC) and other inherited diseases that may involve mutations in non-muscle myosin II-B heavy chain (MYH10). We will also collect samples from the relatives of affected individuals. POC is a very rare disorder in which patients have a combination of severe defects of the middle of the chest including the sternum (breastbone), diaphragm, heart, and abdominal wall. The defect are apparent before birth or at birth.

Participants may undergo a medical evaluation that could include a medical history routine blood tests, urine collection, chest x-ray, and electrocardiogram. In addition, blood, urine, saliva, buccal swab or tissue samples may be collected for protein and gene studies. The blood is drawn through a very small needle placed in an arm vein. Children may choose to have a buccal (cheek) sample taken instead of blood draw. Buccal samples can be collected by a cheek swab, in which a soft brush is rubbed on the inside lining of the mouth, or by having the child hold a tablespoon of mouthwash in his or her mouth for a full minute and then spit the mouthwash into a container. In addition, tissue samples may be collected from patients if they undergoing any surgical procedures that may be required as part of their general medical care.

Read more

Some of the cells obtained from patients or their relatives may be used to establish cell lines (a living tissue sample) that can be grown in the laboratory and used for experiments.

...

Read the detailed description

The purpose of this multisite protocol is to collect protein, DNA, and RNA from blood, sputum, urine and/or tissue samples from patients with the diagnosis of Pentalogy of Cantrell (POC) or other related syndromes in order to identify possible causative genes. We will use whole exome/genome sequencing of probands, their parents, and, if available, the affected relatives of probands to look for any exomic/genomic mutations that could be associated with this syndrome. We have produced a mouse model with the mutant mice exhibiting problems with ventral wall closure including extrathoracic location of the heart (ectopia cordis), and defects in the abdominal wall with protrusion of the guts and liver. The mice, which have a single amino acid substitution in nonmuslce myosin II-B, have severe defects in both the heart and brain, and resemble humans born with POC, who manifest these same abnormalities.

Keywords
Nonmuscle myosin IIB, Nonmuscle myosin IIA, Pentology of Cantrell, thoracoabdominal syndrdome, Nonmuscle Myosin IIC, Pentalogy of Cantrell, Non-muscle Myosin Heavy Chain Genes
Medical subject headings
Pentalogy of Cantrell, MYH9-Related Disorders

What participants receive

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

Study groups in NCT00083499
Study groupRoleWhat they receive
Group 1Index cases
Group 2Relatives of Index Cases
Group 3Fetal tissue

What is being measured

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

  1. Identify the gene(s) mutation (s) that causes Pentalogy of Cantrell

    Identification of novel genes related to Pentalogy of Cantrell

    Measured: ongoing

Secondary outcomes (2)
  1. Since mutations in NM IIB may not be the sole cause of POC, we also intend to identify any other gene(s) mutation(s) that might be thecause of POC.

    Identifying any other gene(s) mutation(s) that might be the cause of POC.

    Measured: Ongoing

  2. We may wish to procure tissues from patients with nonmuscle myosin IIA and IIC mutations in order to study the mechanism underlyingthese abnormalities.

    Studying the mechanism underlying these abnormalities in procuredtissues from patients with nonmuscle myosin IIA and IIC mutations.

    Measured: Ongoing

Timeline

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

  1. First posted25 May 2004 (estimated)
  2. Study start15 Sep 2004
  3. Primary completion6 Sep 2019
  4. Study completion6 Sep 2019

Resources

More details

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

Study design
Study type
Observational
Observational model
Family based
Time perspective
Cross-sectional
Enrolment
59 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00083499
Sponsor's protocol ID
040202
Other IDs
04-H-0202
Status last verified
Oct 2020
First submitted
25 May 2004
Last updated
8 Oct 2020
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Ma X, Adelstein RS. In vivo studies on nonmuscle myosin II expression and function in heart development. Front Biosci (Landmark Ed). 2012 Jan 1;17(2):545-55. doi: 10.2741/3942.

    PubMed 22201759
  • Ma X, Adelstein RS. The role of vertebrate nonmuscle Myosin II in development and human disease. Bioarchitecture. 2014;4(3):88-102. doi: 10.4161/bioa.29766. Epub 2014 Aug 6.

    PubMed 25098841
  • Ma X, Adelstein RS. A point mutation in Myh10 causes major defects in heart development and body wall closure. Circ Cardiovasc Genet. 2014 Jun;7(3):257-65. doi: 10.1161/CIRCGENETICS.113.000455. Epub 2014 May 13.

    PubMed 24825879

Questions about this trial

What is this clinical trial studying?

An observational study of Pentalogy of Cantrell, run by National Heart, Lung, and Blood Institute (NHLBI) at 2 sites in United States.

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 13 inclusion and 1 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: finished, as of the sponsor's last update on 8 Oct 2020. 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 United States. 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.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Identify the gene(s) mutation (s) that causes Pentalogy of Cantrell (time frame: ongoing). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00083499, which also lists 3 linked publications.

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 8 Oct 2020; AzTrials last refreshed its copy on 7 Nov 2026.

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