A First in Human Study in Healthy Volunteers and in Participants With Frontotemporal Dementia With Granulin (GRN) Mutation

This is a first-in-human Phase 1 study designed to investigate the safety, tolerability, PK and PD of intravenously administered AL001 in Healthy Volunteers and FTD-GRN mutation carriers.

Inclusion criteria

• BMI 18.0-35.0 kg/m2
• 45-120 kg, inclusive
• At screening, females must be non-pregnant and non-lactating, or of nonchildbearing potential (either surgically sterilized or physiologically incapable of becoming pregnant, or at least 1-year postmenopausal (amenorrhoea duration of 12 consecutive months); nonpregnancy will be confirmed for all females by a pregnancy test conducted at screening, (each) admission, and at follow-up.
• Female participants of child-bearing potential must agree to use adequate contraception from screening until 90 days after the follow-up visit.
• In good physical health on the basis of no clinically significant findings from medical history, physical examination (PE), laboratory tests, 12 lead ECG, and vital signs, as judged by the Investigator.
• Willingness and able to comply with the study protocol, in the investigator's judgement.

Exclusion criteria

• Known history of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric, human, or humanized antibodies or fusion proteins.
• Positive drug or alcohol at screening and prior to first dose
• History of alcohol abuse or substance abuse