Trial Outcomes & Findings for Ph 2 Open Label Study of GC4419 to Reduce SOM Associated With Chemoradiotherapy for Head and Neck Cancer (NCT NCT04529850)

NCT ID: NCT04529850

Last Updated: 2022-08-16

Results Overview

Number of Subjects with at Least One Treatment Emergent Adverse Event (TEAE)

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

38 participants

Primary outcome timeframe

First dose of study medication through the 30 days following the last dose of IMRT, GC4419, or cisplatin (whichever occurs last) which is estimated to be 11 weeks

Results posted on

2022-08-16

Participant Flow

A total of 38 subjects were enrolled to the study (signed an ICF). Only 37 of these subjects were dosed on the trial and part of the ITT population (enrolled subjects who received 1 dose of study medication). The 1 subject that was enrolled but was not dosed withdrew their consent prior to treatment.

Participant milestones

Participant milestones
Measure
Open Label Active Arm
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Overall Study
STARTED
37
Overall Study
COMPLETED
32
Overall Study
NOT COMPLETED
5

Reasons for withdrawal

Reasons for withdrawal
Measure
Open Label Active Arm
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Overall Study
Death
2
Overall Study
Physician Decision
1
Overall Study
Withdrawal by Subject
2

Baseline Characteristics

Ph 2 Open Label Study of GC4419 to Reduce SOM Associated With Chemoradiotherapy for Head and Neck Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Open Label Active Arm
n=37 Participants
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Age, Customized
Age Group, years · <18
0 Participants
n=5 Participants
Age, Customized
Age Group, years · 18-65
25 Participants
n=5 Participants
Age, Customized
Age Group, years · 66-75
10 Participants
n=5 Participants
Age, Customized
Age Group, years · >75
2 Participants
n=5 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
Sex: Female, Male
Male
30 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
Race (NIH/OMB)
White
36 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
Belgium
8 participants
n=5 Participants
Region of Enrollment
Czechia
4 participants
n=5 Participants
Region of Enrollment
Poland
8 participants
n=5 Participants
Region of Enrollment
Switzerland
7 participants
n=5 Participants
Region of Enrollment
Germany
1 participants
n=5 Participants
Region of Enrollment
Spain
9 participants
n=5 Participants

PRIMARY outcome

Timeframe: First dose of study medication through the 30 days following the last dose of IMRT, GC4419, or cisplatin (whichever occurs last) which is estimated to be 11 weeks

Population: ITT Population

Number of Subjects with at Least One Treatment Emergent Adverse Event (TEAE)

Outcome measures

Outcome measures
Measure
Open Label Active Arm
n=37 Participants
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Incidence of Treatment Emergent AE's
TEAE
36 Participants
Incidence of Treatment Emergent AE's
TEAE Leading to Discontinuation of GC4419
1 Participants
Incidence of Treatment Emergent AE's
TEAE Related to GC4419
12 Participants
Incidence of Treatment Emergent AE's
TEAE Related to IMRT
33 Participants
Incidence of Treatment Emergent AE's
TEAE Related to Chemotherapy
35 Participants
Incidence of Treatment Emergent AE's
TEAE Leading to Discontinuation
11 Participants
Incidence of Treatment Emergent AE's
TEAE Leading to Discontinuation of IMRT
1 Participants
Incidence of Treatment Emergent AE's
TEAE Leading to Discontinuation of Chemotherapy
10 Participants

SECONDARY outcome

Timeframe: From start of Intensity-modulated radiation therapy (IMRT) through approximately 30 fractions which is estimated to be 6-7 weeks.

Population: Per Protocol Population defined as subjects who received at least 60 Gy of IMRT and at least 25 doses of GC4419.

Cumulative Incidence of WHO Grade 3-4 from the start of IMRT through the end of the study treatment period (last day of IMRT)

Outcome measures

Outcome measures
Measure
Open Label Active Arm
n=33 Participants
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Cumulative Incidence of Severe OM
54.5 percentage of Subjects with SOM
Interval 36.35 to 71.89

Adverse Events

Open Label Active Arm

Serious events: 18 serious events
Other events: 36 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
Open Label Active Arm
n=37 participants at risk
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Infections and infestations
Pneumonia
8.1%
3/37 • Number of events 3 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Infections and infestations
COVID 19
5.4%
2/37 • Number of events 2 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Infections and infestations
Device Related Infection
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Infections and infestations
Stoma Site Infection
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Anaemia
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Febrile Neutropenia
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Leuokopenia
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Colitis
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Diarrhoea
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Dysphagia
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Metabolism and nutrition disorders
Decreased Appetite
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Metabolism and nutrition disorders
Dehydration
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Vascular disorders
Hypotension
5.4%
2/37 • Number of events 2 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
General disorders
Pyrexia
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Tumor Haemorrhage
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Renal and urinary disorders
Renal Failure
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Respiratory, thoracic and mediastinal disorders
Oropharyngeal Pain
2.7%
1/37 • Number of events 1 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks

Other adverse events

Other adverse events
Measure
Open Label Active Arm
n=37 participants at risk
90mg GC4419 by IV Drug: GC4419: GC4419 60 Minute Infusion
Gastrointestinal disorders
Nausea
51.4%
19/37 • Number of events 23 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Constipation
27.0%
10/37 • Number of events 12 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Dysphagia
21.6%
8/37 • Number of events 8 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Vomiting
21.6%
8/37 • Number of events 11 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Diarrhoea
18.9%
7/37 • Number of events 11 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Dyspepsia
16.2%
6/37 • Number of events 12 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Dry Mouth
13.5%
5/37 • Number of events 7 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Gastrointestinal disorders
Oral Pain
13.5%
5/37 • Number of events 8 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Lymphopenia
67.6%
25/37 • Number of events 32 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Leukopenia
40.5%
15/37 • Number of events 20 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Anaemia
37.8%
14/37 • Number of events 19 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Neutropenia
27.0%
10/37 • Number of events 13 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Blood and lymphatic system disorders
Thrombocytopenia
16.2%
6/37 • Number of events 8 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Metabolism and nutrition disorders
Decreased Appetite
24.3%
9/37 • Number of events 9 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Metabolism and nutrition disorders
Hypomagnesamia
24.3%
9/37 • Number of events 9 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Metabolism and nutrition disorders
Hypokalaemia
21.6%
8/37 • Number of events 9 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
General disorders
Asthenia
18.9%
7/37 • Number of events 13 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
General disorders
Pyrexia
18.9%
7/37 • Number of events 11 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Infections and infestations
Oral Candidiasis
10.8%
4/37 • Number of events 4 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Skin and subcutaneous tissue disorders
Dermatitis
18.9%
7/37 • Number of events 9 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Investigations
Weight Decreased
13.5%
5/37 • Number of events 6 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Vascular disorders
Hypotension
18.9%
7/37 • Number of events 8 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks
Injury, poisoning and procedural complications
Radiation Skin Injury
18.9%
7/37 • Number of events 10 • Adverse events were collected from the time of the first administration of study drug through 30 days following the last dose of IMRT, cisplatin, or study drug (whichever occurred last) which is estimated to be 11 weeks

Additional Information

Judy Schnyder

Galera Therapeutics

Phone: 484-870-9625

Results disclosure agreements

  • Principal investigator is a sponsor employee PI has publication and presentation privileges provided that manuscript/presentation is submitted to the sponsor 60 days prior to submission of the publication or 60 days prior to presentation. PI agrees to remove confidential information of sponsor prior to submission of publication or presentation or defer submission until confidential information can be protected by filing of a patent application. PI cannot publish the results from their site until the sponsor has published multi-site data.
  • Publication restrictions are in place

Restriction type: OTHER