Trial Outcomes & Findings for Extension Study to Evaluate IV CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus (NCT NCT03281538)

NCT ID: NCT03281538

Last Updated: 2021-10-14

Results Overview

Assessed by physical examination, monitoring of adverse events, vital signs and laboratory assessments

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

288 participants

Primary outcome timeframe

Up to 52 weeks

Results posted on

2021-10-14

Participant Flow

Participant milestones

Participant milestones
Measure
CR845 0.5mcg/kg
CR845 0.5mcg/kg IV medication administered three times/week after dialysis CR845: IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Overall Study
STARTED
288
Overall Study
COMPLETED
133
Overall Study
NOT COMPLETED
155

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Extension Study to Evaluate IV CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
CR845 0.5mcg/kg
n=288 Participants
CR845 0.5mcg/kg IV medication administered three times/week after dialysis CR845: IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Age, Continuous
57.4 years
STANDARD_DEVIATION 12.61 • n=5 Participants
Sex: Female, Male
Female
115 Participants
n=5 Participants
Sex: Female, Male
Male
173 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
12 Participants
n=5 Participants
Race (NIH/OMB)
Asian
9 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
148 Participants
n=5 Participants
Race (NIH/OMB)
White
114 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Up to 52 weeks

Assessed by physical examination, monitoring of adverse events, vital signs and laboratory assessments

Outcome measures

Outcome measures
Measure
CR845 0.5mcg/kg
n=288 Participants
CR845 0.5mcg/kg IV medication administered three times/week after dialysis CR845: IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Number of Participants With AEs
240 Participants

Adverse Events

CR845 0.5mcg/kg

Serious events: 148 serious events
Other events: 139 other events
Deaths: 17 deaths

Serious adverse events

Serious adverse events
Measure
CR845 0.5mcg/kg
n=288 participants at risk
CR845 0.5mcg/kg IV medication administered three times/week after dialysis CR845: IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Blood and lymphatic system disorders
Anaemia
1.0%
3/288 • Up to 52 weeks
Blood and lymphatic system disorders
Leukocytosis
0.69%
2/288 • Up to 52 weeks
Cardiac disorders
Acute myocardial infarction
4.9%
14/288 • Up to 52 weeks
Cardiac disorders
Angina pectoris
2.8%
8/288 • Up to 52 weeks
Cardiac disorders
Cardiac arrest
2.8%
8/288 • Up to 52 weeks
Cardiac disorders
Cardiac failure congestive
2.8%
8/288 • Up to 52 weeks
Cardiac disorders
Atrial fibrillation
1.4%
4/288 • Up to 52 weeks
Cardiac disorders
Coronary artery disease
1.0%
3/288 • Up to 52 weeks
Cardiac disorders
Myocardial infarction
1.0%
3/288 • Up to 52 weeks
Cardiac disorders
Mitral valve incompetence
0.69%
2/288 • Up to 52 weeks
Cardiac disorders
Acute left ventricular failure
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Arteriosclerosis coronary artery
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Bradycardia
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Cardiac failure acute
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Cardiac tamponade
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Cardiogenic shock
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Chronic left ventricular failure
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Left ventricular failure
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Myocardia ischaemia
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Pericarditis
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Tachycardia
0.35%
1/288 • Up to 52 weeks
Eye disorders
Diplopia
0.35%
1/288 • Up to 52 weeks
Eye disorders
Visual impairment
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Gastrointestinal haemorrhage
2.1%
6/288 • Up to 52 weeks
Gastrointestinal disorders
Abdominal pain
0.69%
2/288 • Up to 52 weeks
Gastrointestinal disorders
Abdominal pain upper
0.69%
2/288 • Up to 52 weeks
Gastrointestinal disorders
Colitis
0.69%
2/288 • Up to 52 weeks
Gastrointestinal disorders
Gastritis
0.69%
2/288 • Up to 52 weeks
Gastrointestinal disorders
Upper gastrointestinal haemorrhage
0.69%
2/288 • Up to 52 weeks
Gastrointestinal disorders
Ascites
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Diarrhoea
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Discoloured vomit
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Enterocolitis
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Erosive oesophagitis
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Gastric haemorrhage
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Gastric ulcer haemorrhage
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Haematemesis
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Intestinal ischaemia
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Intestinal perforation
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Irritable bowel syndrome
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Nausea
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Oesophageal ulcer
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Pancreatitis acute
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Proctitis
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Rectal ulcer
0.35%
1/288 • Up to 52 weeks
Gastrointestinal disorders
Vomiting
0.35%
1/288 • Up to 52 weeks
General disorders
Non-cardiac chest pain
2.8%
8/288 • Up to 52 weeks
General disorders
Asthenia
1.4%
4/288 • Up to 52 weeks
General disorders
Death
0.69%
2/288 • Up to 52 weeks
General disorders
Impaired healing
0.69%
2/288 • Up to 52 weeks
General disorders
Catheter site thrombosis
0.35%
1/288 • Up to 52 weeks
General disorders
Chest pain
0.35%
1/288 • Up to 52 weeks
General disorders
Complication associated with device
0.35%
1/288 • Up to 52 weeks
General disorders
Drug interaction
0.35%
1/288 • Up to 52 weeks
General disorders
Sudden death
0.35%
1/288 • Up to 52 weeks
General disorders
Vascular stent restenosis
0.35%
1/288 • Up to 52 weeks
Hepatobiliary disorders
Cholecystitis acute
0.35%
1/288 • Up to 52 weeks
Hepatobiliary disorders
Cholelithiasis
0.35%
1/288 • Up to 52 weeks
Hepatobiliary disorders
Hepatic cirrhosis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Pneumonia
4.2%
12/288 • Up to 52 weeks
Infections and infestations
Sepsis
3.1%
9/288 • Up to 52 weeks
Infections and infestations
Bacteraemia
2.1%
6/288 • Up to 52 weeks
Infections and infestations
Cellulitis
2.1%
6/288 • Up to 52 weeks
Infections and infestations
Osteomyelitis
1.7%
5/288 • Up to 52 weeks
Infections and infestations
Clostridium difficile colitis
1.0%
3/288 • Up to 52 weeks
Infections and infestations
Gangrene
1.0%
3/288 • Up to 52 weeks
Infections and infestations
Septic shock
1.0%
3/288 • Up to 52 weeks
Infections and infestations
Infected skin ulcer
0.69%
2/288 • Up to 52 weeks
Infections and infestations
Staphylococcal sepsis
0.69%
2/288 • Up to 52 weeks
Infections and infestations
Abscess limb
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Appendicitis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Ateriovenous fistula site infection
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Ateriovenous graft site abscess
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Bronchitis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Bronchitis viral
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Cardiac valve vegetation
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Catheter site infection
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Device related sepsis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Diverticulitis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Influenza
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Klebsiella sepsis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Latent tuberculosis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Otitis externa
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Perirectal abscess
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Pneumonia bacterial
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Postoperative wound infection
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Respiratory syncytial virus bronchiolitis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Serratia sepsis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Staphylococcal bacteraemia
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Staphylococcal infection
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Subacute endocarditis
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Subcutaneous abscess
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Upper respiratory tract infection
0.35%
1/288 • Up to 52 weeks
Infections and infestations
Vascular access site infection
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Arteriovenous fistula thrombosis
1.7%
5/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Fall
1.0%
3/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Vascular access malfunction
1.0%
3/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Vascular access site thrombosis
0.69%
2/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Vascular graft complication
0.69%
2/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Abdominal injury
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Arteriovenous fistula site complication
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Arteriovenous graft site haemorrhage
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Arteriovenous graft thrombosis
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Chemical burn of respiratory tract
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Fibula fracture
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Gun shot wound
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Head injury
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Hip fracture
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Limb injury
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Rib fracture
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Shunt malfunction
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Skin injury
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Skin wound
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Tibia fracture
0.35%
1/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Wound haemorrhage
0.35%
1/288 • Up to 52 weeks
Investigations
Blood pressure increased
0.35%
1/288 • Up to 52 weeks
Investigations
Cardiac stress test abnormal
0.35%
1/288 • Up to 52 weeks
Investigations
Electrocardiogram T wave inversion
0.35%
1/288 • Up to 52 weeks
Metabolism and nutrition disorders
Fluid overload
5.9%
17/288 • Up to 52 weeks
Metabolism and nutrition disorders
Hyperkalaemia
5.2%
15/288 • Up to 52 weeks
Metabolism and nutrition disorders
Hypocalcaemia
1.0%
3/288 • Up to 52 weeks
Metabolism and nutrition disorders
Diabetic ketoacidosis
0.69%
2/288 • Up to 52 weeks
Metabolism and nutrition disorders
Calciphylaxis
0.35%
1/288 • Up to 52 weeks
Metabolism and nutrition disorders
Dehydration
0.35%
1/288 • Up to 52 weeks
Metabolism and nutrition disorders
Metabolic acidosis
0.35%
1/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Back pain
0.35%
1/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Muscular weakness
0.35%
1/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Osteoarthritis
0.35%
1/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Synovitis
0.35%
1/288 • Up to 52 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Bening lung neoplasm
0.35%
1/288 • Up to 52 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Ovarian cancer
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Syncope
2.4%
7/288 • Up to 52 weeks
Nervous system disorders
Dizziness
1.0%
3/288 • Up to 52 weeks
Nervous system disorders
Brain stem infarction
0.69%
2/288 • Up to 52 weeks
Nervous system disorders
Cerebrovascular accident
0.69%
2/288 • Up to 52 weeks
Nervous system disorders
Seizure
0.69%
2/288 • Up to 52 weeks
Nervous system disorders
Brain injury
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Encephalopathy
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Hypertensive encephalopathy
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Lethargy
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Metabolic encephalopathy
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Neurological symptom
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Neuropathy peripheral
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Presyncope
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Status epilepticus
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Transient ischaemic attack
0.35%
1/288 • Up to 52 weeks
Nervous system disorders
Unresponsive to stimuli
0.35%
1/288 • Up to 52 weeks
Product Issues
Device expulsion
0.35%
1/288 • Up to 52 weeks
Psychiatric disorders
Mental status changes
2.8%
8/288 • Up to 52 weeks
Psychiatric disorders
Anxiety
0.69%
2/288 • Up to 52 weeks
Psychiatric disorders
Confusional state
0.35%
1/288 • Up to 52 weeks
Psychiatric disorders
Hallucination, visual
0.35%
1/288 • Up to 52 weeks
Psychiatric disorders
Major depression
0.35%
1/288 • Up to 52 weeks
Psychiatric disorders
Suicidal ideation
0.35%
1/288 • Up to 52 weeks
Renal and urinary disorders
Renal colic
0.35%
1/288 • Up to 52 weeks
Reproductive system and breast disorders
Genital lesion
0.35%
1/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Respiratory failure
2.8%
8/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Pulmonary oedema
2.1%
6/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Chronic obstructive pulmonary disease
1.4%
4/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Dyspnoea
1.4%
4/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Acute respiratory failure
1.0%
3/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Acute pulmonary oedema
0.69%
2/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Pleural effusion
0.69%
2/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Asthma
0.35%
1/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Atelectasis
0.35%
1/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Pneumonia apsiration
0.35%
1/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Pulmonary embolism
0.35%
1/288 • Up to 52 weeks
Respiratory, thoracic and mediastinal disorders
Respiratory acidosis
0.35%
1/288 • Up to 52 weeks
Skin and subcutaneous tissue disorders
Decubitus ulcer
0.69%
2/288 • Up to 52 weeks
Skin and subcutaneous tissue disorders
Angioedema
0.35%
1/288 • Up to 52 weeks
Skin and subcutaneous tissue disorders
Skin ulcer
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Hypotension
3.1%
9/288 • Up to 52 weeks
Vascular disorders
Hypertensive emergency
1.0%
3/288 • Up to 52 weeks
Vascular disorders
Hypertensive crisis
0.69%
2/288 • Up to 52 weeks
Vascular disorders
Shock haemorrhagic
0.69%
2/288 • Up to 52 weeks
Vascular disorders
Steal syndrome
0.69%
2/288 • Up to 52 weeks
Vascular disorders
Accelerated hypertension
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Aortic stenosis
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Arterial stenosis
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Deep vein thrombosis
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Hypertension
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Jugular vein thrombosis
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Orthostatic hypotension
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Peripheral arterial occlusive disease
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Peripheral artery occlusion
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Peripheral ischaemia
0.35%
1/288 • Up to 52 weeks
Vascular disorders
Peripheral venous disease
0.35%
1/288 • Up to 52 weeks
Cardiac disorders
Pericardial effusion
0.69%
2/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Shunt thrombosis
0.35%
1/288 • Up to 52 weeks

Other adverse events

Other adverse events
Measure
CR845 0.5mcg/kg
n=288 participants at risk
CR845 0.5mcg/kg IV medication administered three times/week after dialysis CR845: IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Gastrointestinal disorders
Nausea
16.7%
48/288 • Up to 52 weeks
Gastrointestinal disorders
Diarrhoea
15.3%
44/288 • Up to 52 weeks
Injury, poisoning and procedural complications
Fall
14.6%
42/288 • Up to 52 weeks
Gastrointestinal disorders
Vomiting
13.2%
38/288 • Up to 52 weeks
Vascular disorders
Hypotension
10.4%
30/288 • Up to 52 weeks
General disorders
Non-cardiac chest pain
7.6%
22/288 • Up to 52 weeks
Nervous system disorders
Dizziness
7.3%
21/288 • Up to 52 weeks
Gastrointestinal disorders
Abdominal pain
6.2%
18/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Pain in extremity
5.6%
16/288 • Up to 52 weeks
Musculoskeletal and connective tissue disorders
Arthralgia
5.2%
15/288 • Up to 52 weeks

Additional Information

Frédérique Menzaghi, PhD

Cara Therapeutics

Phone: 203-406-3700

Results disclosure agreements

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