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Safety and Efficacy of ALD518 for Reducing Oral Mucositis in Head and Neck Cancer Subjects

A Phase 2, Multi-center, Randomized, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Safety and Efficacy of ALD518 in the Reduction of Oral Mucositis in Subjects With Head and Neck Cancer Receiving Concomitant Chemotherapy and Radiotherapy

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01403064
Enrollment
76
Registered
2011-07-27
Start date
2011-07-31
Completion date
2014-03-31
Last updated
2021-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Oral Mucositis

Keywords

Oral mucositis; head and neck cancer; chemotherapy; radiotherapy

Brief summary

The purpose of this study is to evaluate the safety and efficacy of ALD518 in modifying the course of oral mucositis in subjects with head and neck cancer receiving concomitant chemotherapy and radiotherapy

Detailed description

This was a Phase 2, placebo-controlled, double-blind study in subjects newly diagnosed with head and neck cancer (who had not received previous treatment for oral mucositis) and who were receiving concomitant chemotherapy and radiotherapy. Subject eligibility, including tumor staging, was assessed during the screening period, which was to occur within 30 days prior to the initiation of radiation therapy. The radiation therapy treatment period was approximately 7 weeks, depending on the subject's prescribed radiation plan. Prior to the randomized portion of the trial, the first 7 subjects enrolled in the study entered a safety run-in evaluation and received a total of 2 doses of open-label clazakizumab 160 mg IV, 4 weeks apart (Day 0 and Week 4 of radiation); these subjects were not eligible for the randomized portion of the study. Subsequent to completion of the safety run-in, eligible subjects were randomized 1:1:1 to treatment with 2 doses of clazakizumab 160 mg, or clazakizumab 320 mg, or placebo, administered IV 3 weeks apart (Day 0 and Week 3 of radiation therapy). All subjects were to be followed for 4 weeks post last day of radiotherapy treatment for the primary efficacy and safety assessments and then for up to an additional 12 months of long-term follow-up.

Interventions

BIOLOGICALALD518

IV

DRUG0.9% saline

IV Infusion

Sponsors

CSL Behring
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have recently diagnosed (\< than 6 months prior to screening visit date), pathologically confirmed, non-metastatic SCC of the oral cavity, oropharynx, hypopharynx or larynx that will be treated with CRT as first-line treatment; subjects with a history of surgical management (approximately 4-6 weeks before RT with sufficient time for post-surgical healing) are eligible * Have a plan to receive a continuous course of conventional external beam irradiation delivered by intensity-modulated radiotherapy (IMRT) as single daily fractions of 2.0 to 2.2 Gy, with a cumulative radiation dose between 55 and 72 Gy. * Have a plan to receive a standard cisplatin CT regimen administered tri-weekly (80 to 100 mg/m2, on Days 0, 21, and 42) or weekly (30 to 40 mg/m2) or a standard carboplatin regimen administered weekly (100 mg/m2) * Have an Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1 * CRP \< 80 mg/L * Have adequate hematopoietic, hepatic, and renal function at the screening visit

Exclusion criteria

* Tumor of the lips, sinuses, salivary glands, nasopharynx or unknown primary tumor * Metastatic disease (M1) Stage IV C * Any prior history of head and neck cancer * Prior radiation to the head and neck * Have had a major surgical procedure, other than for HNC, or significant traumatic injury within 4 weeks prior to the initiation of RT; or anticipation of need for a major surgical procedure during the clinical trial * Active infectious disease, excluding oral candidiasis * Have OM at the screening visit * Have a history of hypersensitivity to monoclonal antibody

Design outcomes

Primary

MeasureTime frameDescription
Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesUp to 15 months
Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesUp to 15 months
Percent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 GyUp to 12 weeksGray (Gy) is used as a unit of the radiation quantity absorbed dose that measures the energy deposited by ionizing radiation in a unit mass of matter being irradiated, and is used for measuring the delivered dose of ionizing radiation in applications such as radiotherapy. The 55 Gy ulcerative OM assessment is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in their cumulative dose of radiation being ≥ 55 Gy
Number of Participants With All Grades of OM at a Radiation Dose of 55 GyUp to 12 weeksThe 55 Gy ulcerative OM assessment is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in their cumulative dose of radiation being ≥ 55 Gy

Secondary

MeasureTime frameDescription
Duration of Ulcerative and Severe OMUp to 12 weeks
Time to Onset of Ulcerative and Severe OMUp to 12 weeks
ALD518 Plasma Concentration at Varying WeeksBaseline and up to 12 weeks
Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)Up to 12 weeksThe ulcerative OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy
Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)Baseline and up to 12 weeksThe FACT-HN consists of 28 general + 11 head and neck specific items, each rated on a 0 (not at all) to 4 (very much) Likert type scale. The total score ranges from 0 to 148. Higher scores represent better quality of life.
Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)Baseline and up to 12 weeksThe responses to the 13 items on the FACIT-F questionnaire are each measured on a 5-point Likert scale from 0 (not at all fatigued) to 4 (very much fatigued). The total score ranges from 0 to 52. Higher scores represent less fatigue.
Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksBaseline and up to 12 weeksThe level of C-reactive protein (CRP), which can be measured in your blood, increases when there's inflammation in your body.
Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)Baseline and up to 12 weeksScored on a scale from 0 (worst possible overall health) to 10 (perfect overall health). Higher scores represent better overall health.
Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)Up to 12 weeksThe ulcerative OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy
Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)Measured from onset of OM through Week 12The severe OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first severe OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy
Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)Up to 12 weeksThe severe OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first severe OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy

Countries

Australia, Austria, Canada, Germany, Italy, United States

Participant flow

Participants by arm

ArmCount
Placebo
0.9% saline administered as two intravenous infusions (IV) 3 weeks apart
24
ALD518 (160 mg, OL)
ALD518 160 mg IV every 4 weeks for a total of 2 doses in open-label (OL) treatment
7
ALD518 (160 mg, R)
ALD518 160 mg IV every 3 weeks for a total of 2 doses in randomized (R) treatment
23
ALD518 (320 mg, R)
ALD518 320 mg IV every 3 weeks for a total of 2 doses in randomized (R) treatment
22
Total76

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyDeath0011
Overall StudyOther1021
Overall StudyWithdrawal by Subject0011

Baseline characteristics

CharacteristicPlaceboALD518 (160 mg, OL)ALD518 (160 mg, R)ALD518 (320 mg, R)Total
Age, Continuous58.8 years
STANDARD_DEVIATION 7.92
56.3 years
STANDARD_DEVIATION 11.93
58.6 years
STANDARD_DEVIATION 7.43
55.1 years
STANDARD_DEVIATION 7.18
57.4 years
STANDARD_DEVIATION 8
Region of Enrollment
Australia
9 participants1 participants2 participants3 participants15 participants
Region of Enrollment
Austria
0 participants0 participants1 participants4 participants5 participants
Region of Enrollment
Canada
0 participants0 participants0 participants1 participants1 participants
Region of Enrollment
Germany
5 participants0 participants10 participants2 participants17 participants
Region of Enrollment
Italy
3 participants0 participants5 participants4 participants12 participants
Region of Enrollment
United States
7 participants6 participants5 participants8 participants26 participants
Sex: Female, Male
Female
4 Participants1 Participants7 Participants1 Participants13 Participants
Sex: Female, Male
Male
20 Participants6 Participants16 Participants21 Participants63 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 234 / 322 / 21
other
Total, other adverse events
22 / 2332 / 3221 / 21
serious
Total, serious adverse events
7 / 2315 / 328 / 21

Outcome results

Primary

Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory Abnormalities

Time frame: Up to 15 months

Population: SP. As pre-specified, the two treatment groups that received 160 mg (open label and randomized) were combined into one 160 mg group for analysis purposes of this endpoint.

ArmMeasureGroupValue (NUMBER)
PlaceboNumber of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)22 participants
PlaceboNumber of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs12 participants
PlaceboNumber of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities0 participants
PlaceboNumber of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation0 participants
PlaceboNumber of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events7 participants
ALD518 (160 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities2 participants
ALD518 (160 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)32 participants
ALD518 (160 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events15 participants
ALD518 (160 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs21 participants
ALD518 (160 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation1 participants
ALD518 (320 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation1 participants
ALD518 (320 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs12 participants
ALD518 (320 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)21 participants
ALD518 (320 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities1 participants
ALD518 (320 mg)Number of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events8 participants
Primary

Number of Participants With All Grades of OM at a Radiation Dose of 55 Gy

The 55 Gy ulcerative OM assessment is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in their cumulative dose of radiation being ≥ 55 Gy

Time frame: Up to 12 weeks

Population: FAP

ArmMeasureValue (NUMBER)
PlaceboNumber of Participants With All Grades of OM at a Radiation Dose of 55 Gy19 participants
ALD518 (160 mg)Number of Participants With All Grades of OM at a Radiation Dose of 55 Gy5 participants
ALD518 (320 mg)Number of Participants With All Grades of OM at a Radiation Dose of 55 Gy23 participants
ALD518 (320 mg, R)Number of Participants With All Grades of OM at a Radiation Dose of 55 Gy17 participants
Primary

Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory Abnormalities

Time frame: Up to 15 months

Population: Safety Population (SP) defined as any subject who received at least 1 dose of ALD518 or placebo. Subjects were analyzed based on the treatments they received. As pre-specified, the two treatment groups that received 160 mg (open label and randomized) were combined into one 160 mg group for analysis purposes of this endpoint.

ArmMeasureGroupValue (NUMBER)
PlaceboPercent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs52.2 percentage of participants
PlaceboPercent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities0 percentage of participants
PlaceboPercent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)95.7 percentage of participants
PlaceboPercent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events30.4 percentage of participants
PlaceboPercent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation0 percentage of participants
ALD518 (160 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities6.3 percentage of participants
ALD518 (160 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)100 percentage of participants
ALD518 (160 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events46.9 percentage of participants
ALD518 (160 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs65.6 percentage of participants
ALD518 (160 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation3.1 percentage of participants
ALD518 (320 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAEs leading to treatment discontinuation4.8 percentage of participants
ALD518 (320 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesTreatment-related AEs57.1 percentage of participants
ALD518 (320 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesAdverse events (AEs)100 percentage of participants
ALD518 (320 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesClinically significant laboratory abnormalities4.8 percentage of participants
ALD518 (320 mg)Percent of Participants With Adverse Events, Serious Adverse Events and Clinically Significant Laboratory AbnormalitiesSerious adverse events38.1 percentage of participants
Primary

Percent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 Gy

Gray (Gy) is used as a unit of the radiation quantity absorbed dose that measures the energy deposited by ionizing radiation in a unit mass of matter being irradiated, and is used for measuring the delivered dose of ionizing radiation in applications such as radiotherapy. The 55 Gy ulcerative OM assessment is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in their cumulative dose of radiation being ≥ 55 Gy

Time frame: Up to 12 weeks

Population: Full Analysis Population (FAP) defined as those randomized subjects who received at least 1 dose of ALD518 or placebo. Subjects were analyzed based on the treatments to which they were assigned.

ArmMeasureValue (NUMBER)
PlaceboPercent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 Gy79.2 percentage of participants
ALD518 (160 mg)Percent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 Gy71.4 percentage of participants
ALD518 (320 mg)Percent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 Gy100 percentage of participants
ALD518 (320 mg, R)Percent of Participants With All Grades of Oral Mucositis (OM) at a Radiation Dose of 55 Gy77.3 percentage of participants
Secondary

ALD518 Plasma Concentration at Varying Weeks

Time frame: Baseline and up to 12 weeks

Population: SP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboALD518 Plasma Concentration at Varying Weeksat Week 8 (last day of RT)31.6 ug/mLStandard Deviation 12.02
PlaceboALD518 Plasma Concentration at Varying Weeksat Week 418.8 ug/mLStandard Deviation 6.62
PlaceboALD518 Plasma Concentration at Varying Weeksat Baseline0.0 ug/mLStandard Deviation 0
PlaceboALD518 Plasma Concentration at Varying Weeksat Week 224.3 ug/mLStandard Deviation 9.98
PlaceboALD518 Plasma Concentration at Varying Weeksat Week 12 (4 weeks post RT)16.8 ug/mLStandard Deviation 9.54
ALD518 (160 mg)ALD518 Plasma Concentration at Varying Weeksat Week 440.6 ug/mLStandard Deviation 7.53
ALD518 (160 mg)ALD518 Plasma Concentration at Varying Weeksat Baseline0.0 ug/mLStandard Deviation 0
ALD518 (160 mg)ALD518 Plasma Concentration at Varying Weeksat Week 220.6 ug/mLStandard Deviation 3.73
ALD518 (160 mg)ALD518 Plasma Concentration at Varying Weeksat Week 8 (last day of RT)23.1 ug/mLStandard Deviation 6.64
ALD518 (160 mg)ALD518 Plasma Concentration at Varying Weeksat Week 12 (4 weeks post RT)11.5 ug/mLStandard Deviation 3.1
ALD518 (320 mg)ALD518 Plasma Concentration at Varying Weeksat Week 12 (4 weeks post RT)20.6 ug/mLStandard Deviation 14.42
ALD518 (320 mg)ALD518 Plasma Concentration at Varying Weeksat Week 8 (last day of RT)46.9 ug/mLStandard Deviation 13.74
ALD518 (320 mg)ALD518 Plasma Concentration at Varying Weeksat Baseline0.0 ug/mLStandard Deviation 0
ALD518 (320 mg)ALD518 Plasma Concentration at Varying Weeksat Week 480.6 ug/mLStandard Deviation 20.21
ALD518 (320 mg)ALD518 Plasma Concentration at Varying Weeksat Week 232.7 ug/mLStandard Deviation 5.24
Secondary

Duration of Ulcerative and Severe OM

Time frame: Up to 12 weeks

Population: FAP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboDuration of Ulcerative and Severe OMUlcerative42.0 DaysStandard Deviation 23.17
PlaceboDuration of Ulcerative and Severe OMSevere22.4 DaysStandard Deviation 23.28
ALD518 (160 mg)Duration of Ulcerative and Severe OMSevere35.1 DaysStandard Deviation 28.02
ALD518 (160 mg)Duration of Ulcerative and Severe OMUlcerative55.1 DaysStandard Deviation 26.57
ALD518 (320 mg)Duration of Ulcerative and Severe OMUlcerative48.3 DaysStandard Deviation 16.71
ALD518 (320 mg)Duration of Ulcerative and Severe OMSevere22.7 DaysStandard Deviation 18.95
ALD518 (320 mg, R)Duration of Ulcerative and Severe OMUlcerative38.0 DaysStandard Deviation 29.53
ALD518 (320 mg, R)Duration of Ulcerative and Severe OMSevere21.5 DaysStandard Deviation 25.01
Secondary

Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)

The FACT-HN consists of 28 general + 11 head and neck specific items, each rated on a 0 (not at all) to 4 (very much) Likert type scale. The total score ranges from 0 to 148. Higher scores represent better quality of life.

Time frame: Baseline and up to 12 weeks

Population: FAP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboFunctional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)89.6 score on a scaleStandard Deviation 19.36
PlaceboFunctional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)92.9 score on a scaleStandard Deviation 20.14
PlaceboFunctional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)85.2 score on a scaleStandard Deviation 18.13
PlaceboFunctional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)90.6 score on a scaleStandard Deviation 18.18
PlaceboFunctional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)Baseline116.5 score on a scaleStandard Deviation 15.86
ALD518 (160 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)94.7 score on a scaleStandard Deviation 30.14
ALD518 (160 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)82.3 score on a scaleStandard Deviation 17.79
ALD518 (160 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)93.6 score on a scaleStandard Deviation 27.5
ALD518 (160 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)100.3 score on a scaleStandard Deviation 24.14
ALD518 (160 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)Baseline129.4 score on a scaleStandard Deviation 12.63
ALD518 (320 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)89.7 score on a scaleStandard Deviation 23.49
ALD518 (320 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)Baseline113.8 score on a scaleStandard Deviation 19.53
ALD518 (320 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)96.2 score on a scaleStandard Deviation 21.18
ALD518 (320 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)84.4 score on a scaleStandard Deviation 25.67
ALD518 (320 mg)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)86.5 score on a scaleStandard Deviation 18
ALD518 (320 mg, R)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)81.1 score on a scaleStandard Deviation 22.13
ALD518 (320 mg, R)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)92.2 score on a scaleStandard Deviation 19.96
ALD518 (320 mg, R)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)Baseline111.3 score on a scaleStandard Deviation 20.94
ALD518 (320 mg, R)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)86.6 score on a scaleStandard Deviation 21.34
ALD518 (320 mg, R)Functional Assessment of Cancer Therapy - Head and Neck (FACT-HN) Questionnaire Overall Assessment Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)86.5 score on a scaleStandard Deviation 23.95
Secondary

Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)

The responses to the 13 items on the FACIT-F questionnaire are each measured on a 5-point Likert scale from 0 (not at all fatigued) to 4 (very much fatigued). The total score ranges from 0 to 52. Higher scores represent less fatigue.

Time frame: Baseline and up to 12 weeks

Population: FAP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboFunctional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)29.9 score on a scaleStandard Deviation 12.95
PlaceboFunctional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)31.1 score on a scaleStandard Deviation 12.56
PlaceboFunctional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)29.6 score on a scaleStandard Deviation 10.81
PlaceboFunctional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)30.3 score on a scaleStandard Deviation 11.42
PlaceboFunctional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)Baseline42.5 score on a scaleStandard Deviation 7.26
ALD518 (160 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)28.9 score on a scaleStandard Deviation 15.61
ALD518 (160 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)20.8 score on a scaleStandard Deviation 14.7
ALD518 (160 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)26.8 score on a scaleStandard Deviation 18.71
ALD518 (160 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)30.1 score on a scaleStandard Deviation 16.63
ALD518 (160 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)Baseline47.6 score on a scaleStandard Deviation 3.26
ALD518 (320 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)31.2 score on a scaleStandard Deviation 12.33
ALD518 (320 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)Baseline42.6 score on a scaleStandard Deviation 8.61
ALD518 (320 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)34.0 score on a scaleStandard Deviation 9.59
ALD518 (320 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)28.0 score on a scaleStandard Deviation 12.95
ALD518 (320 mg)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)27.3 score on a scaleStandard Deviation 9.65
ALD518 (320 mg, R)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)26.8 score on a scaleStandard Deviation 13.71
ALD518 (320 mg, R)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)31.2 score on a scaleStandard Deviation 13.56
ALD518 (320 mg, R)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)Baseline39.7 score on a scaleStandard Deviation 10.94
ALD518 (320 mg, R)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)30.4 score on a scaleStandard Deviation 11.65
ALD518 (320 mg, R)Functional Assessment of Chronic Illness Therapy - Fatigue Questionnaire (FACIT-F) Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)29.5 score on a scaleStandard Deviation 12.4
Secondary

Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying Weeks

The level of C-reactive protein (CRP), which can be measured in your blood, increases when there's inflammation in your body.

Time frame: Baseline and up to 12 weeks

Population: SP. As pre-specified, the two treatment groups that received 160 mg were combined into one 160 mg group for analysis of this endpoint.

ArmMeasureGroupValue (MEAN)
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 44.71 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 13.50 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 28.39 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 312.35 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 527.85 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 620.52 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 8 (last day of RT)6.51 mg/L
PlaceboMean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 12 (4 weeks post RT)2.99 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 8 (last day of RT)-7.84 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 4-6.82 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 5-15.50 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 6-6.93 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 1-2.20 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 12 (4 weeks post RT)-8.16 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 2-6.52 mg/L
ALD518 (160 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 3-1.75 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 1-1.15 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 3-14.78 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 6-11.92 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 4-14.63 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 8 (last day of RT)-13.96 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 2-14.74 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 5-6.30 mg/L
ALD518 (320 mg)Mean Change From Baseline in C-reactive Protein (CRP) Values at Varying WeeksWeek 12 (4 weeks post RT)-14.53 mg/L
Secondary

Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)

The severe OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first severe OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy

Time frame: Up to 12 weeks

Population: FAP, 3 participants missing data

ArmMeasureGroupValue (NUMBER)
PlaceboNumber of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy10 participants
PlaceboNumber of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy10 participants
PlaceboNumber of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy6 participants
PlaceboNumber of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy12 participants
ALD518 (160 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy4 participants
ALD518 (160 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy3 participants
ALD518 (160 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy5 participants
ALD518 (160 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy5 participants
ALD518 (320 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy6 participants
ALD518 (320 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy12 participants
ALD518 (320 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy9 participants
ALD518 (320 mg)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy8 participants
ALD518 (320 mg, R)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy7 participants
ALD518 (320 mg, R)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy9 participants
ALD518 (320 mg, R)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy11 participants
ALD518 (320 mg, R)Number of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy6 participants
Secondary

Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)

The ulcerative OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy

Time frame: Up to 12 weeks

Population: FAP, 3 participants missing data

ArmMeasureGroupValue (NUMBER)
PlaceboNumber of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy14 participants
PlaceboNumber of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy21 participants
PlaceboNumber of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy19 participants
PlaceboNumber of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy15 participants
ALD518 (160 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy6 participants
ALD518 (160 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy5 participants
ALD518 (160 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy5 participants
ALD518 (160 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy6 participants
ALD518 (320 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy22 participants
ALD518 (320 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy20 participants
ALD518 (320 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy19 participants
ALD518 (320 mg)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy18 participants
ALD518 (320 mg, R)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy11 participants
ALD518 (320 mg, R)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy15 participants
ALD518 (320 mg, R)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy13 participants
ALD518 (320 mg, R)Number of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy15 participants
Secondary

Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)

Scored on a scale from 0 (worst possible overall health) to 10 (perfect overall health). Higher scores represent better overall health.

Time frame: Baseline and up to 12 weeks

Population: FAP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboOral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)5.1 score on a scaleStandard Deviation 1.96
PlaceboOral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)5.2 score on a scaleStandard Deviation 2.08
PlaceboOral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)5.6 score on a scaleStandard Deviation 1.79
PlaceboOral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)5.6 score on a scaleStandard Deviation 1.89
PlaceboOral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)Baseline6.5 score on a scaleStandard Deviation 1.95
ALD518 (160 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)5.7 score on a scaleStandard Deviation 2.14
ALD518 (160 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)5.9 score on a scaleStandard Deviation 2.54
ALD518 (160 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)5.7 score on a scaleStandard Deviation 3.08
ALD518 (160 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)6.6 score on a scaleStandard Deviation 2.07
ALD518 (160 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)Baseline8.4 score on a scaleStandard Deviation 1.4
ALD518 (320 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)5.4 score on a scaleStandard Deviation 1.86
ALD518 (320 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)Baseline7.2 score on a scaleStandard Deviation 1.66
ALD518 (320 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)5.2 score on a scaleStandard Deviation 2.05
ALD518 (320 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)5.3 score on a scaleStandard Deviation 2.22
ALD518 (320 mg)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)5.3 score on a scaleStandard Deviation 2.11
ALD518 (320 mg, R)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)55 Gy (up to 12 weeks)5.1 score on a scaleStandard Deviation 2.27
ALD518 (320 mg, R)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)35 Gy (up to 12 weeks)5.5 score on a scaleStandard Deviation 1.91
ALD518 (320 mg, R)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)Baseline6.7 score on a scaleStandard Deviation 2.35
ALD518 (320 mg, R)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)45 Gy (up to 12 weeks)5.4 score on a scaleStandard Deviation 2.4
ALD518 (320 mg, R)Oral Mucositis Daily Questionnaire (OMDQ) Overall Health Score at Varying Cumulative Radiation Doses (Gy)65 Gy (up to 12 weeks)5.6 score on a scaleStandard Deviation 2.37
Secondary

Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)

The severe OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first severe OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy

Time frame: Measured from onset of OM through Week 12

Population: FAP, 3 participants missing data

ArmMeasureGroupValue (NUMBER)
PlaceboPercent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy25.0 percentage of participants
PlaceboPercent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy41.7 percentage of participants
PlaceboPercent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy50.0 percentage of participants
PlaceboPercent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy55.6 percentage of participants
ALD518 (160 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy71.4 percentage of participants
ALD518 (160 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy71.4 percentage of participants
ALD518 (160 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy50.0 percentage of participants
ALD518 (160 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy57.1 percentage of participants
ALD518 (320 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy40.9 percentage of participants
ALD518 (320 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy36.4 percentage of participants
ALD518 (320 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy63.2 percentage of participants
ALD518 (320 mg)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy27.3 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)65 Gy43.8 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)45 Gy45.0 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)35 Gy30.0 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Severe OM at Varying Cumulative Radiation Doses (Gy)55 Gy55.0 percentage of participants
Secondary

Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)

The ulcerative OM assessment at a specific cumulative radiation dose (35 Gy, 45 Gy, 55 Gy or 65 Gy) is defined as the first ulcerative OM assessment that occurred on the day of or after the subject received the radiation therapy that first resulted in the specific cumulative dose of radiation being ≥35 Gy, ≥45 Gy, ≥55 Gy or≥ 65 Gy

Time frame: Up to 12 weeks

Population: FAP, 3 participants missing data

ArmMeasureGroupValue (NUMBER)
PlaceboPercent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy58.3 percentage of participants
PlaceboPercent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy79.2 percentage of participants
PlaceboPercent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy87.5 percentage of participants
PlaceboPercent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy83.3 percentage of participants
ALD518 (160 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy85.7 percentage of participants
ALD518 (160 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy85.7 percentage of participants
ALD518 (160 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy83.3 percentage of participants
ALD518 (160 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy71.4 percentage of participants
ALD518 (320 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy90.9 percentage of participants
ALD518 (320 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy81.8 percentage of participants
ALD518 (320 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy100 percentage of participants
ALD518 (320 mg)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy100 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)65 Gy68.8 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)55 Gy75.0 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)45 Gy75.0 percentage of participants
ALD518 (320 mg, R)Percent of Participants With Ulcerative OM at Varying Cumulative Radiation Doses (Gy)35 Gy65.0 percentage of participants
Secondary

Time to Onset of Ulcerative and Severe OM

Time frame: Up to 12 weeks

Population: FAP

ArmMeasureGroupValue (MEAN)Dispersion
PlaceboTime to Onset of Ulcerative and Severe OMUlcerative23.7 DaysStandard Deviation 7.05
PlaceboTime to Onset of Ulcerative and Severe OMSevere37.0 DaysStandard Deviation 11.81
ALD518 (160 mg)Time to Onset of Ulcerative and Severe OMSevere26.1 DaysStandard Deviation 5.72
ALD518 (160 mg)Time to Onset of Ulcerative and Severe OMUlcerative18.7 DaysStandard Deviation 5.32
ALD518 (320 mg)Time to Onset of Ulcerative and Severe OMUlcerative22.9 DaysStandard Deviation 5.97
ALD518 (320 mg)Time to Onset of Ulcerative and Severe OMSevere43.1 DaysStandard Deviation 17.55
ALD518 (320 mg, R)Time to Onset of Ulcerative and Severe OMUlcerative24.3 DaysStandard Deviation 13.37
ALD518 (320 mg, R)Time to Onset of Ulcerative and Severe OMSevere38.0 DaysStandard Deviation 15.64

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026