ConTTRibute: A Global Observational Study of Patients With Transthyretin (TTR)-Mediated Amyloidosis (ATTR Amyloidosis)

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
AgeNot listed
SponsorAlnylam Pharmaceuticals

About this trial

The purpose of this study is to:

* Describe epidemiological and clinical characteristics, natural history and real-world clinical management of ATTR amyloidosis patients * Characterize the safety and effectiveness of patisiran and vutrisiran as part of routine clinical practice in the real-world clinical setting * Describe disease emergence/progression in pre-symptomatic carriers of a known disease-causing transthyretin (TTR) variant

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Diagnosis of ATTR amyloidosis or documented known disease-causing TTR variant for the cohort of pre-symptomatic carriers

Germany Only: Patients must be treated per the summary of product characteristics (SmPC) for any approved treatment for ATTR amyloidosis

Disqualifiers

Current enrollment in a clinical trial for any investigational agent

Trial population

Patients with a diagnosis of ATTR amyloidosis, hereditary or wild type, and pre-symptomatic carriers with a known disease-causing TTR variant will be eligible for the study.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

1,500 Participants
are grouped into 2 trial groups
Group A: Patients with ATTR amyloidosis
Group B: Pre-symptomatic Carriers

Trial outcomes

Primary outcomes

1

Incidence of Adverse Events

Time frame
From time of enrollment for up to 10 years
2

Selected Events of Interest in Patients with Hereditary Transthyretin-mediated (hATTR) or Wild-type Transthyretin-mediated (wtATTR) Amyloidosis (ATTRv Amyloidosis)

Selected events of interest are defined as hepatic events, cardiovascular events, renal events, ocular events and infusion-related reactions, hypersensitivity, and other events in patients diagnosed with hATTR or wtATTR amyloidosis.

Time frame
From 1 year prior to enrollment for up to 10 years
3

Health Care Provider (HCP)-Assessed Polyneuropathy (PND) Disability Score

PND Scores: Stage 0=No symptoms; Stage I=Sensory disturbances but preserved walking capabilities; Stage II=Impaired walking capacity, but ability to walk without a stick or crutches; Stage IIIA=Walking with help of 1 stick or crutch; Stage IIIB=Walking with the help of 2 sticks or crutches; Stage IV=confined to wheel chair or bedridden.

Time frame
Up to 11 years
4

HCP-Assessed Familial Amyloidotic Polyneuropathy (FAP) Score

FAP Scores: Stage 0=No symptoms; Stage I=Unimpaired ambulation; mostly mild sensory, motor and autonomic neuropathy in the lower limbs; Stage II=Assistance with ambulation required, mostly moderate impairment progression to the lower limbs, upper limbs, and trunk; Stage III=Wheelchair-bound or bedridden; severe sensory, motor, and autonomic involvement of all limbs.

Time frame
Up to 11 years

Secondary outcomes

Other outcomes

Sponsors and contacts

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