Trial Outcomes & Findings for Phase 3 Study of KHK7580 for the Treatment of Hypercalcemia in Patients With Parathyroid Carcinoma or Primary Hyperparathyroidism (NCT NCT03280264)

NCT ID: NCT03280264

Last Updated: 2021-05-27

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

18 participants

Primary outcome timeframe

Up to 24 weeks

Results posted on

2021-05-27

Participant Flow

Participant milestones

Participant milestones
Measure
KHK7580 (2-24 mg)
KHK7580 was orally administered daily for up to week 52.
Overall Study
STARTED
18
Overall Study
COMPLETED
15
Overall Study
NOT COMPLETED
3

Reasons for withdrawal

Reasons for withdrawal
Measure
KHK7580 (2-24 mg)
KHK7580 was orally administered daily for up to week 52.
Overall Study
Adverse Event
1
Overall Study
Physician Decision
1
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Phase 3 Study of KHK7580 for the Treatment of Hypercalcemia in Patients With Parathyroid Carcinoma or Primary Hyperparathyroidism

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
Age, Continuous
62.2 years
STANDARD_DEVIATION 11.9 • n=5 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
18 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
0 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
Japan
18 Participants
n=5 Participants
serum corrected Ca conc.
11.73 mg/dL
STANDARD_DEVIATION 0.84 • n=5 Participants
serum intact Parathyroid Hormone conc.
507.7 pg/mL
STANDARD_DEVIATION 1409.8 • n=5 Participants
parathyroid carcinoma
3 Participants
n=5 Participants
Unable to undergo parathyroidectomy
13 participants
n=5 Participants
Relapse after parathyroidectomy
2 participants
n=5 Participants
previous cinacalcet use
13 participants
n=5 Participants
Pharmacotherapy for primary diseases
3 participants
n=5 Participants
parathyroidectomy
6 participants
n=5 Participants
Parathyroid intervention therapy
0 participants
n=5 Participants

PRIMARY outcome

Timeframe: Up to 24 weeks

Outcome measures

Outcome measures
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
The Number and Percentage of Patients Who Achived a Serum Corrected Ca Concentration of Under 10.3 mg/dL for at Least 2weeks During Titration Phase.
14 Participants

SECONDARY outcome

Timeframe: up to 24 weeks

Outcome measures

Outcome measures
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
The Number and Percentage of Patients in Whom the Decrease in Serum Corrected Ca Concentration From the Baseline Was ≥ 1.0 mg/dL for ≥ 2 Weeks During the Titration Phase.
12 Participants

SECONDARY outcome

Timeframe: up to 52 weeks

Outcome measures

Outcome measures
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
Serum Corrected Ca Level
9.89 mg/dL
Standard Deviation 0.60

SECONDARY outcome

Timeframe: up to 52 weeks

Outcome measures

Outcome measures
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
Serum Intact Parathyroid Hormone Level
152.6 pg/dL
Standard Deviation 97.3

SECONDARY outcome

Timeframe: up to 52 weeks

Outcome measures

Outcome measures
Measure
KHK7580 (2-24 mg)
n=18 Participants
KHK7580 was orally administered daily for up to week 52.
Serum Whole Parathyroid Hormone Level
108.9 pg/dL
Standard Deviation 73.0

Adverse Events

KHK7580 (2-24 mg)

Serious events: 3 serious events
Other events: 18 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
KHK7580 (2-24 mg)
n=18 participants at risk
KHK7580 was orally administered daily for up to week 52.
Gastrointestinal disorders
enterocolitis
5.6%
1/18 • up to 52week
Renal and urinary disorders
urinary tract infection
5.6%
1/18 • up to 52week
Reproductive system and breast disorders
uterine cancer
5.6%
1/18 • up to 52week

Other adverse events

Other adverse events
Measure
KHK7580 (2-24 mg)
n=18 participants at risk
KHK7580 was orally administered daily for up to week 52.
Blood and lymphatic system disorders
Iron deficiency anaemia
5.6%
1/18 • up to 52week
Blood and lymphatic system disorders
Nephrogenic anaemia
5.6%
1/18 • up to 52week
Cardiac disorders
Atrial fibrillation
5.6%
1/18 • up to 52week
Eye disorders
Cataract
5.6%
1/18 • up to 52week
Eye disorders
Cataract cortical
5.6%
1/18 • up to 52week
Eye disorders
Ocular hyperaemia
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Nausea
16.7%
3/18 • up to 52week
Gastrointestinal disorders
Abdominal discomfort
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Abdominal pain lower
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Dental caries
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Dyspepsia
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Enterocolitis
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Stomatitis
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Vomiting
5.6%
1/18 • up to 52week
Gastrointestinal disorders
Faeces soft
5.6%
1/18 • up to 52week
General disorders
Chest pain
11.1%
2/18 • up to 52week
General disorders
Hangover
5.6%
1/18 • up to 52week
Infections and infestations
Nasopharyngitis
38.9%
7/18 • up to 52week
Infections and infestations
Cystitis
11.1%
2/18 • up to 52week
Infections and infestations
Influenza
11.1%
2/18 • up to 52week
Infections and infestations
Bronchitis
5.6%
1/18 • up to 52week
Infections and infestations
Conjunctivitis
5.6%
1/18 • up to 52week
Infections and infestations
Gastroenteritis
5.6%
1/18 • up to 52week
Infections and infestations
Hordeolum
5.6%
1/18 • up to 52week
Infections and infestations
Otitis externa
5.6%
1/18 • up to 52week
Infections and infestations
Pneumonia
5.6%
1/18 • up to 52week
Infections and infestations
Sinusitis
5.6%
1/18 • up to 52week
Infections and infestations
Upper respiratory tract infection
5.6%
1/18 • up to 52week
Infections and infestations
Urinary tract infection
5.6%
1/18 • up to 52week
Infections and infestations
Viral infection
5.6%
1/18 • up to 52week
Injury, poisoning and procedural complications
Head injury
5.6%
1/18 • up to 52week
Injury, poisoning and procedural complications
Heat stroke
5.6%
1/18 • up to 52week
Injury, poisoning and procedural complications
Spinal compression fracture
5.6%
1/18 • up to 52week
Injury, poisoning and procedural complications
Tooth fracture
5.6%
1/18 • up to 52week
Injury, poisoning and procedural complications
Radiation sickness syndrome
5.6%
1/18 • up to 52week
Investigations
Blood creatinine increased
5.6%
1/18 • up to 52week
Musculoskeletal and connective tissue disorders
Arthralgia
11.1%
2/18 • up to 52week
Musculoskeletal and connective tissue disorders
Back pain
11.1%
2/18 • up to 52week
Musculoskeletal and connective tissue disorders
Myalgia
11.1%
2/18 • up to 52week
Musculoskeletal and connective tissue disorders
Pain in extremity
5.6%
1/18 • up to 52week
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Uterine cancer
5.6%
1/18 • up to 52week
Nervous system disorders
Headache
11.1%
2/18 • up to 52week
Nervous system disorders
Dysgeusia
5.6%
1/18 • up to 52week
Respiratory, thoracic and mediastinal disorders
Cough
5.6%
1/18 • up to 52week
Respiratory, thoracic and mediastinal disorders
Pharyngeal haemorrhage
5.6%
1/18 • up to 52week
Skin and subcutaneous tissue disorders
Dermatitis atopic
5.6%
1/18 • up to 52week
Skin and subcutaneous tissue disorders
Eczema
5.6%
1/18 • up to 52week
Skin and subcutaneous tissue disorders
Pruritus
5.6%
1/18 • up to 52week
Skin and subcutaneous tissue disorders
Urticaria
5.6%
1/18 • up to 52week
Vascular disorders
Hypertension
5.6%
1/18 • up to 52week

Additional Information

Research & Development Planning Department, Research & Development Division

Kyowa Kirin Co., Ltd.

Phone: +81-3-5205-7200

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place