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A Study of the Safety, Blood Levels and Biological Effects of GBT440 in Healthy Subjects and Subjects With Sickle Cell Disease

G

Global Blood Therapeutics

Status and phase

Completed
Phase 1

Conditions

Healthy Subjects
Sickle Cell Disease

Treatments

Drug: Placebo
Drug: GBT440

Study type

Interventional

Funder types

Industry

Identifiers

NCT02285088
2014-003555-62 (EudraCT Number)
GBT440-001

Details and patient eligibility

About

The purpose of this study is to assess the safety, tolerability, pharmacokinetic, and pharmacodynamic effects of GBT440 compared with placebo in healthy subjects and subjects with sickle cell disease (SCD).

Enrollment

133 patients

Sex

All

Ages

18 to 60 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Healthy male or female of non-child bearing potential; 18 to 55 years old; are non-smokers and have not used nicotine products within 3 months prior to screening.
  • Male or female, 18 to 60 years old, with sickle cell disease (hemoglobin SS, HbS/β0thalassemia, HbS/β+thalassemia, or HbSC) not requiring chronic blood transfusion therapy; without hospitalization in 30 days before screening or receiving blood transfusion within 30 days before screening; subjects are allowed concomitant use of hydroxyurea if the dose has been stable for the 3 months prior to screening.

Exclusion criteria

  • Subjects who have a clinically relevant history or presence of respiratory, gastrointestinal, renal, hepatic, haematological, lymphatic, neurological, cardiovascular, psychiatric, musculoskeletal, genitourinary, immunological, dermatological, connective tissue diseases or disorders.
  • Subjects who consume more than 14 (female subjects) or 21 (male subjects) units of alcohol a week.
  • Subjects who have used any investigational product in any clinical trial within 30 days of screening
  • Subjects with sickle cell disease who smoke >10 cigarettes per day; have hemoglobin level <6 g/dL or >10.4 g/dL (> ULN (appropriately corrected for gender) for Cohort 15) at screening; have aspartate aminotransferase (AST) >4x upper limit of normal or alanine aminotransferase (ALT), or alkaline phosphatase (ALK) >3x upper limit of normal reference range (ULN) at screening; have moderate or severe renal dysfunction

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

133 participants in 2 patient groups, including a placebo group

GBT440
Experimental group
Description:
Subjects randomized 6:2 to receive daily oral dosing of GBT440 or placebo for 1 day (single dose) and up to 118 days (multiple dose)
Treatment:
Drug: GBT440
Placebo
Placebo Comparator group
Description:
Subjects randomized 6:2 to receive daily oral dosing of GBT440 or placebo for 1 day (single dose) and up to 118 days (multiple dose)
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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