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Safety and Pharmacokinetics of TT30 in Subjects With Paroxysmal Nocturnal Hemoglobinuria (PNH)

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Alexion Pharmaceuticals

Status and phase

Terminated
Phase 1

Conditions

Paroxysmal Nocturnal Hemoglobinuria (PNH)

Treatments

Drug: ALXN1102
Drug: ALXN1103

Study type

Interventional

Funder types

Industry

Identifiers

NCT01335165
TT30-PNH-002

Details and patient eligibility

About

The purpose of this research study is to understand the safety, pharmacokinetics and pharmacodynamics of a single dose of TT30 (ALXN1102 and ALXN1103 formulations) when given IV (through a vein) or SC (under the skin) to patients with PNH.

Full description

This is an open-label, single-dose, dose-escalation study to assess the safety, tolerability, PK, PD, and immunogenicity of TT30 given as an IV infusion and as a SC injection in subjects with PNH or evidence of circulating PNH cells.

Eligible subjects with PNH will be vaccinated with meningococcal vaccine at least two weeks prior to dosing (if not previously vaccinated or if revaccination is required).

On study day 1, the subject will receive the single dose of TT30 as an IV infusion over 60 minutes or as a SC injection, and be followed with additional study evaluations over the next 59 days.

Enrollment

10 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Individuals at least 18 years of age with a diagnosis of PNH & vaccination against meningococcus.

Exclusion criteria

  • Abnormal renal or liver function
  • History of meningococcal disease
  • History of Guillain-Barre syndrome
  • Known infection with HIV or Hepatitis B or C
  • History of thrombotic events

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

10 participants in 2 patient groups

TT30 (ALXN1102 Formulation)
Experimental group
Description:
IV: 0.1, 0.3, and 1.0 mg/kg
Treatment:
Drug: ALXN1102
TT30 (ALXN1103 Formulation)
Experimental group
Description:
IV: 3.0, 6.0, and 10.0 mg/kg SC: 1.0 and 3.0 mg/kg
Treatment:
Drug: ALXN1103

Trial contacts and locations

5

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Data sourced from clinicaltrials.gov

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