Trial Outcomes & Findings for Long-Term Safety Study of GS-6624 in Adults With Idiopathic Pulmonary Fibrosis (IPF) (NCT NCT01759511)

NCT ID: NCT01759511

Last Updated: 2017-04-04

Results Overview

The overall safety of simtuzumab was assessed as the percentage of participants experiencing adverse events (AEs; Serious AEs, Grade 3 or 4 AEs, AEs related to simtuzumab, and AEs leading to discontinuation of simtuzumab), treatment-emergent chemistry and hematology abnormality.

Recruitment status

TERMINATED

Study phase

PHASE2

Target enrollment

34 participants

Primary outcome timeframe

30 days post last study treatment (up to 165 weeks)

Results posted on

2017-04-04

Participant Flow

Participants were enrolled at 6 study sites in the United States. The first participant was screened on 18 October 2012. The last study visit occurred on 19 February 2016.

37 participants were screened.

Participant milestones

Participant milestones
Measure
Simtuzumab
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Overall Study
STARTED
34
Overall Study
COMPLETED
0
Overall Study
NOT COMPLETED
34

Reasons for withdrawal

Reasons for withdrawal
Measure
Simtuzumab
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Overall Study
Adverse Event
4
Overall Study
Death
2
Overall Study
Lack of Efficacy
2
Overall Study
Physician Decision
1
Overall Study
Progressive Disease
5
Overall Study
Protocol-Specified Criteria for Withdraw
4
Overall Study
Study Terminated by Sponsor
13
Overall Study
Withdrawal by Subject
3

Baseline Characteristics

Long-Term Safety Study of GS-6624 in Adults With Idiopathic Pulmonary Fibrosis (IPF)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Age, Continuous
67.9 years
STANDARD_DEVIATION 7.25 • n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
Sex: Female, Male
Male
25 Participants
n=5 Participants
Race/Ethnicity, Customized
White
34 Participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic or Latino
1 Participants
n=5 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
33 Participants
n=5 Participants
Forced vital capacity (FVC) Percent Predicted
69.9 FVC % predicted
STANDARD_DEVIATION 14.18 • n=5 Participants
FVC % Predicted Category
Mild
12 Participants
n=5 Participants
FVC % Predicted Category
Moderate
16 Participants
n=5 Participants
FVC % Predicted Category
Severe
6 Participants
n=5 Participants
Forced expirator volume in the first second of expiration (FEV1)/FVC Ratio
0.8 liter
STANDARD_DEVIATION 0.23 • n=5 Participants
Hemoglobin-Corrected Carbon dioxide diffusing capacity (DLCO) Predicted
12.2 DLCO % predicted
STANDARD_DEVIATION 4.22 • n=5 Participants

PRIMARY outcome

Timeframe: 30 days post last study treatment (up to 165 weeks)

Population: Safety Analysis Set

The overall safety of simtuzumab was assessed as the percentage of participants experiencing adverse events (AEs; Serious AEs, Grade 3 or 4 AEs, AEs related to simtuzumab, and AEs leading to discontinuation of simtuzumab), treatment-emergent chemistry and hematology abnormality.

Outcome measures

Outcome measures
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Overall Safety Profile of Simtuzumab
Adverse Events (AEs)
97.1 percentage of participants
Overall Safety Profile of Simtuzumab
Grade 3 or 4 AEs
47.1 percentage of participants
Overall Safety Profile of Simtuzumab
Serious Adverse Events
35.3 percentage of participants
Overall Safety Profile of Simtuzumab
SAEs Related to simtuzumab
5.9 percentage of participants
Overall Safety Profile of Simtuzumab
AEs leading to discontinuation of simtuzumab
29.4 percentage of participants

SECONDARY outcome

Timeframe: Weeks 72 and 144

Population: Participants in Safety Analysis Set with available data were analyzed.

* FVC was a pulmonary function test, and was defined as the volume of air that can forcibly be blown out after taking a full breath. * Least square means were from mixed model for repeated measures (MMRM) model including baseline FVC % predicted and visit including all data up to Week 144.

Outcome measures

Outcome measures
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Relative Change From Baseline in FVC % Predicted at Weeks 72 and 144
Week 72
-8.05 percent change in FVC % predicted
Standard Error 1.829
Relative Change From Baseline in FVC % Predicted at Weeks 72 and 144
Week 144
-12.04 percent change in FVC % predicted
Standard Error 2.086

SECONDARY outcome

Timeframe: Weeks 72 and 144

Population: Participants in Safety Analysis Set with available data were analyzed.

* DLCO was a measurement to determine the extent to which oxygen passes from the air sacs of the lungs into the blood. * Least square means were from MMRM model including baseline DLCO % predicted and visit including all data up to Week 144.

Outcome measures

Outcome measures
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Relative Change From Baseline in DLCO % Predicted at Weeks 72 and 144
Week 72
-7.41 percent change in DLCO % predicted
Standard Error 3.062
Relative Change From Baseline in DLCO % Predicted at Weeks 72 and 144
Week 144
-22.80 percent change in DLCO % predicted
Standard Error 3.475

SECONDARY outcome

Timeframe: Up to 165 weeks

Population: Safety Analysis Set

All-cause mortality was assessed as a number of participants who died from any cause.

Outcome measures

Outcome measures
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
All-cause Mortality
3 Participants

SECONDARY outcome

Timeframe: Weeks 72 and 120

Population: Participants in the Safety Analysis set with available data were analyzed.

Outcome measures

Outcome measures
Measure
Simtuzumab
n=34 Participants
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Relative Change From Baseline in Serum Lysyl Oxidase-like 2 (sLOXL2) Levels at Weeks 72 and 120
Week 72
5.93 percent change in sLOXL2
Standard Error 5.937
Relative Change From Baseline in Serum Lysyl Oxidase-like 2 (sLOXL2) Levels at Weeks 72 and 120
Week 120
-0.69 percent change in sLOXL2
Standard Error 6.032

Adverse Events

Simtuzumab

Serious events: 12 serious events
Other events: 33 other events
Deaths: 3 deaths

Serious adverse events

Serious adverse events
Measure
Simtuzumab
n=34 participants at risk
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Blood and lymphatic system disorders
Leukocytosis
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Cardiac disorders
Arteriosclerosis coronary artery
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Cardiac disorders
Coronary artery disease
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Cardiac disorders
Coronary artery occlusion
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Cardiac disorders
Myocardial infarction
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Hiatus hernia
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Chest pain
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Influenza
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Pneumonia
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Urinary tract infection
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Chondrocalcinosis pyrophosphate
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Lung adenocarcinoma
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Acute respiratory failure
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Dyspnoea
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Idiopathic pulmonary fibrosis
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Pneumothorax
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Pulmonary fibrosis
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Respiratory failure
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Vascular disorders
Aortic stenosis
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Vascular disorders
Hypertension
2.9%
1/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set

Other adverse events

Other adverse events
Measure
Simtuzumab
n=34 participants at risk
200 mg/mL administered intravenously biweekly (per original protocol) or 125 mg/mL self-administered subcutaneously every 7 ± 2 days (per protocol amendment 1)
Blood and lymphatic system disorders
Anaemia
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Cardiac disorders
Tachycardia
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Eye disorders
Cataract
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Eye disorders
Dry eye
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Abdominal discomfort
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Abdominal pain
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Abdominal pain upper
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Constipation
20.6%
7/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Diarrhoea
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Flatulence
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Gastrointestinal disorders
Nausea
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Chest discomfort
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Chest pain
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Chills
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Fatigue
29.4%
10/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Infusion site extravasation
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Injection site bruising
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Malaise
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Oedema peripheral
23.5%
8/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
General disorders
Pyrexia
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Bronchitis
20.6%
7/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Gastroenteritis
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Influenza
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Nail infection
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Nasopharyngitis
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Pneumonia
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Sinusitis
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Upper respiratory tract infection
20.6%
7/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Infections and infestations
Urinary tract infection
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Injury, poisoning and procedural complications
Fall
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Injury, poisoning and procedural complications
Laceration
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Injury, poisoning and procedural complications
Procedural pain
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Investigations
Blood pressure increased
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Investigations
Gamma-glutamyltransferase increased
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Investigations
Occult blood positive
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Investigations
Weight decreased
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Metabolism and nutrition disorders
Decreased appetite
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Metabolism and nutrition disorders
Hypokalaemia
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Metabolism and nutrition disorders
Hyponatraemia
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Arthralgia
20.6%
7/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Back pain
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Muscle spasms
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Musculoskeletal chest pain
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Musculoskeletal and connective tissue disorders
Pain in extremity
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Nervous system disorders
Dizziness
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Nervous system disorders
Headache
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Nervous system disorders
Syncope
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Psychiatric disorders
Anxiety
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Psychiatric disorders
Depression
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Psychiatric disorders
Mental status changes
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Cough
52.9%
18/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Dyspnoea
20.6%
7/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Dyspnoea exertional
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Epistaxis
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Hypoxia
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Idiopathic pulmonary fibrosis
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Nasal congestion
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
17.6%
6/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Pneumothorax
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Productive cough
11.8%
4/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Pulmonary mass
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Rhinitis allergic
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Sinus congestion
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Respiratory, thoracic and mediastinal disorders
Upper-airway cough syndrome
8.8%
3/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Skin and subcutaneous tissue disorders
Precancerous skin lesion
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Skin and subcutaneous tissue disorders
Pruritus
5.9%
2/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set
Skin and subcutaneous tissue disorders
Rash
14.7%
5/34 • 30 days post last study treatment (up to 165 weeks)
Safety Analysis Set

Additional Information

Clinical Trial Disclosures

Gilead Sciences

Results disclosure agreements

  • Principal investigator is a sponsor employee After conclusion of the study and without prior written approval from Gilead, investigators in this study may communicate, orally present, or publish in scientific journals or other media only after the following conditions have been met: * The results of the study in their entirety have been publicly disclosed by or with the consent of Gilead in an abstract, manuscript, or presentation form; or * The study has been completed at all study sites for at least 2 years
  • Publication restrictions are in place

Restriction type: OTHER