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A Phase 1 Study of Givosiran (ALN-AS1) in Patients With Acute Intermittent Porphyria (AIP)

Alnylam Pharmaceuticals logo

Alnylam Pharmaceuticals

Status and phase

Completed
Phase 1

Conditions

Acute Intermittent Porphyria

Treatments

Drug: Sterile Normal Saline (0.9% NaCl)
Drug: givosiran (ALN-AS1)

Study type

Interventional

Funder types

Industry

Identifiers

NCT02452372
ALN-AS1-001

Details and patient eligibility

About

The purpose of this study is to evaluate the safety and tolerability of givosiran (ALN-AS1) in AIP patients as well as to characterize pharmacokinetics (PK) and pharmacodynamics (PD) of ALN-AS1 in AIP patients.

Enrollment

40 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Parts A and B

Inclusion Criteria:

  • Diagnosis of AIP
  • Urine PBG at Screening indicating patient is a high excreter
  • No clinically significant health concerns
  • Women of child bearing potential must have a negative pregnancy test, not be nursing, and use effective contraception
  • Willing to provide written informed consent and willing to comply with study requirements.

Exclusion Criteria:

  • Porphyria attack within 6 months of screening
  • Started a new prescription medication within 3 months of screening
  • Clinically significant abnormal laboratory results
  • Received an investigational agent within 90 days before the first dose of study drug or are in follow-up of another clinical study
  • History of multiple drug allergies or intolerance to subcutaneous injection

Part C

Inclusion Criteria:

  • Diagnosis of AIP
  • Patient experienced a porphyria attack or was taking medication to prevent attacks recently
  • No clinically significant health concerns
  • Women of child bearing potential must have a negative pregnancy test, not be nursing, and use effective contraception
  • Willing to provide written informed consent and willing to comply with study requirements.

Exclusion Criteria:

  • Stared a new prescription medication within 3 months of screening
  • Clinically significant abnormal laboratory results
  • Received an investigational agent within 90 days before the first dose of study drug or are in follow-up of another clinical study
  • History of multiple drug allergies or intolerance to subcutaneous injection

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

40 participants in 2 patient groups, including a placebo group

givosiran (ALN-AS1)
Active Comparator group
Treatment:
Drug: givosiran (ALN-AS1)
Sterile Normal Saline (0.9% NaCl)
Placebo Comparator group
Treatment:
Drug: Sterile Normal Saline (0.9% NaCl)

Trial contacts and locations

6

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Data sourced from clinicaltrials.gov

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