Retrospective Study Collecting Neurological Follow-up of Hereditary Transthyretin Amyloidosis (ATTRv) Patients Included in B3461028 and B3461045.

NCT ID: NCT05560555

Last Updated: 2024-05-13

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

5 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-10-24

Study Completion Date

2022-11-15

Brief Summary

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A study of patients with hereditary transthyretin amyloidosis (ATTRv) and wild-type transthyretin amyloidosis (ATTRwt) that have been enrolled in B3461028 and B3461045 studies in Spain - exposed to tafamidis 61mg for ≥12 months with polyneuropathy (PN) have kept going to their multisystemic follow-ups (neuro/ophthalmo/gastrointestinal) ≥12 months.

Detailed Description

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Conditions

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Hereditary Transthyretin Amyloidosis (ATTRv) Polyneuropathy

Study Design

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Observational Model Type

OTHER

Study Time Perspective

RETROSPECTIVE

Study Groups

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Retrospective cohort ATTRv and ATTRwt patients enrolled in B3461028 and B3461045 studies in Spain

Tafamidis

Intervention Type DRUG

61 milligrams (mg) as received in studies B3461028 and B3461045

Interventions

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Tafamidis

61 milligrams (mg) as received in studies B3461028 and B3461045

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Treatment with tafamidis 61 mg ≥ 12 months
* Neurological follow up ≥ 12 months
* Diagnosis of transthyretin amyloidosis with polyneuropathy (ATTR-PN) based on one of the following:
* Amplitude reduction in, at least, 2 nerves under normal value, excluding median nerve OR 50% amplitude reduction in, at least, 2 nerves on the basal value of the patient, excluding median nerve OR 2 abnormal tests detecting thin fibers alterations (through Sudo scan, RR Interval analysis, etc..)

Exclusion Criteria

* Treatment with tafamidis 61 mg \< 12 months
* Neurological follow up \< 12 months
* Other diagnosis for polyneuropathy
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Hospital Universitari de Bellvitge

Barcelona, , Spain

Site Status

Hospital Clinico San Carlos

Madrid, , Spain

Site Status

Hospital Son Llatzer

Palma de Mallorca, , Spain

Site Status

Countries

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Spain

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Related Links

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https://pmiform.com/clinical-trial-info-request?StudyID=B3461104

To obtain contact information for a study center near you, click here.

Other Identifiers

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TRAMA

Identifier Type: OTHER

Identifier Source: secondary_id

B3461104

Identifier Type: -

Identifier Source: org_study_id

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