ClinicalTrials.Veeva

Menu

ALX-0171 Phase I Study, Evaluating Single Ascending Dose and Multiple Dose in Healthy Male Volunteers

Ablynx logo

Ablynx

Status and phase

Completed
Phase 1

Conditions

RSV Infection

Treatments

Biological: Placebo
Biological: ALX-0171

Study type

Interventional

Funder types

Industry

Identifiers

NCT01483911
ALX-0171-1.1/11

Details and patient eligibility

About

ALX-0171 is a Nanobody directed against the human respiratory syncytial virus (RSV). The purpose of this first-in-man study is to determine the safety, tolerability and pharmacokinetics (PK) of ALX-0171 after single and multiple pulmonary administrations in healthy male volunteers.

Enrollment

60 patients

Sex

Male

Ages

18 to 55 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Non-smoking healthy male volunteers, aged 18-55 years
  • Good health condition, as determined by medical history, physical examination and clinical laboratory testing
  • Forced expiratory volume in 1 second (FEV1) ≥ 90% of predicted value
  • Diffusing capacity of the lung for CO (DLCO) ≥ 85% of predicted value
  • Normal chest X-Ray (anteroposterior and lateral view)
  • Minimum weight of 70.0 kg, minimum height of 1m70, body mass index between 18.0 and 30.0 kg/m²

Exclusion criteria

  • Current smokers, or ex-smokers abstinent from tobacco for less than one year
  • History or presence of atopy or pulmonary non-specific hyperreactivity
  • Positive bronchial challenge test
  • Symptomatic viral infection, or suspicion thereof (including rhinitis) in last 14 days prior to dosing
  • Signs of active pulmonary infection or other inflammatory conditions, even in the absence of febrile episodes, in the last 14 days prior to dosing

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

60 participants in 2 patient groups, including a placebo group

ALX-0171
Experimental group
Treatment:
Biological: ALX-0171
Placebo
Placebo Comparator group
Treatment:
Biological: Placebo

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems