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Phase 2 N=129 Randomized Quadruple-blind Treatment

The PRONTO Study, a Global Phase 2b Study of NEOD001 in Previously Treated Subjects With Light Chain (AL) Amyloidosis

AL Amyloidosis

Enrolled (actual)
129
Serious AEs
22.5%
Results posted
Apr 2019
Primary outcome: Primary: Number of Participants With Cardiac Response and Non-Response — 26; 30; 40; 33 Participants — p=0.3190

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
NEOD001 (Drug); Placebo (Drug)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Prothena Biosciences Ltd.
Primary completion
Mar 2018

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants With Cardiac Response and Non-Response
26; 30; 40; 33 0.3190
SECONDARY
SF-36v2 PCS Score
0.19; 0.97 0.5563
SECONDARY
6MWT Distance
19.25; 8.00 0.8992
SECONDARY
Number of Participants With Renal Best Response and Non-Response
7; 6; 6; 12 0.3529
SECONDARY
NIS-LL Total Score
-1.2; -0.6 0.7570
SECONDARY
NT-proBNP Slope
9.45; 81.41 0.0729
SECONDARY
Hepatic Best Response
1; 0; 4; 4 0.4142

Summary

This is a global, multicenter, Phase 2b, randomized, double-blind, placebo-controlled, two-arm, parallel-group efficacy and safety study of NEOD001 as a single agent administered intravenously in adults with AL amyloidosis who had a hematologic response to previous treatment for their amyloidosis (e.g., chemotherapy, autologous stem cell transplant [ASCT]) and have persistent cardiac dysfunction.

Eligibility Criteria

Inclusion Criteria

  • Age ≥18 years
  • Confirmed diagnosis of systemic AL amyloidosis
  • ≥1 prior systemic plasma cell dyscrasia therapy with at least a partial hematologic response
  • Cardiac involvement
  • NT-proBNP ≥650

Exclusion Criteria

  • Non-AL amyloidosis
  • Meets the International Myeloma Working Group (IMWG) definition of Multiple Myeloma
  • NT-proBNP >5000
  • Received Plasma cell directed chemotherapy within 6 months
  • Received autologous stem cell transplant (ASCT) within 12 months
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02632786). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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