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Study to Evaluate Safety and Tolerability, Pharmacodynamic Effects and Exploratory Efficacy of a Vaccine Against Essential Hypertension

Primary Purpose

Hypertension

Status
Completed
Phase
Phase 2
Locations
International
Study Type
Interventional
Intervention
CYT006-AngQb
Placebo
Sponsored by
Cytos Biotechnology AG
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Hypertension focused on measuring mild essential hypertension, moderate essential hypertension

Eligibility Criteria

18 Years - 69 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Patients with mild to moderate essential hypertension (Grade I and Grade II) with mean sitting office SBP =140-179 mmHg and/or mean sitting office DBP = 90-109 mmHg on 2 consecutive visits (screening and V1).
  • Daytime blood pressure above threshold for definition of hypertension in the screening ABPM measurement (SBP >135 mmHg).
  • Patients without current antihypertensive therapy.
  • Patients on antihypertensive therapy, which can be stopped.
  • 18 to 69 years of age.
  • Male patients, or female patients without childbearing potential .

Exclusion Criteria:

  • Patients with "very high added risk" according to 2007 Guidelines for the Management of Arterial Hypertension (Journal of Hypertension, 2007, 25:1105-1187), i.e. those with:
  • grade III hypertension (mean sitting office SBP ≥180mmHg and/or mean sitting DBP≥110mmHg)
  • history or presence of established cardiovascular or renal disease:
  • Ischemic stroke, cerebral hemorrhage, transient ischemic attack
  • Myocardial infarction, angina pectoris, coronary re-vascularization, heart failure
  • Peripheral artery disease
  • Diabetic nephropathy
  • Known autoimmune disease.
  • Severe allergy.
  • Pregnancy or breastfeeding.
  • Women in childbearing age that are not surgically sterilized.
  • Patients with a history or current positive test for HIV infection, AIDS, or other immunosuppressive disorders; hepatitis B or C.
  • Current diagnosis or history of malignancy.
  • Presence of suspicious lymphadenopathy or splenomegaly on physical examination.
  • Drug or alcohol abuse within the past 2 years.
  • Presence or history of relevant cardiovascular, renal, hepatic, pulmonary, endocrine, autoimmune, neurological and psychiatric disease as judged by the investigator.
  • Any current or past disease or conditions (physical or mental) that would, in the opinion of the investigator, interfere with the study procedures or interpretation of the study data (e.g. workers in the night shift).
  • Previous participation in a clinical trial with a Qb based vaccine.
  • Use of an investigational drug within 3 months before enrolment, or planned use during the whole study period.
  • Possible dependency of the patient on sponsor and/or investigator.
  • Planned active immunization 2 weeks before or 2 weeks after any study medication vaccination.
  • Donation or loss >=400 mL of blood within 8 weeks prior to dosing or major surgery within past 2 months.

Sites / Locations

  • CRS Mannheim
  • CRS Mönchengladbach
  • University Hospital Basel
  • Inselspital
  • Hopital Universitaire Geneve
  • Med Zentrum Römerhof

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Placebo Comparator

Arm Label

1

2

Arm Description

Outcomes

Primary Outcome Measures

Adverse events: quality, quantity, severity

Secondary Outcome Measures

Change in daytime, nighttime and 24-hour ambulatory blood pressure from baseline
Titer of IgG specific for angiotensin II
Amount of RAS-Biomarkers (plasma renin concentration, angiotensin II, aldosterone)

Full Information

First Posted
June 18, 2008
Last Updated
December 1, 2009
Sponsor
Cytos Biotechnology AG
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1. Study Identification

Unique Protocol Identification Number
NCT00701649
Brief Title
Study to Evaluate Safety and Tolerability, Pharmacodynamic Effects and Exploratory Efficacy of a Vaccine Against Essential Hypertension
Official Title
A Double Blind, Randomized, Placebo Controlled, Parallel Group Phase IIa Study to Evaluate Safety and Tolerability, Pharmacodynamic Effects and Exploratory Efficacy of an Anti-Angiotensin II Vaccine (CYT006-AngQb) in Patients With Mild to Moderate Essential Hypertension
Study Type
Interventional

2. Study Status

Record Verification Date
December 2009
Overall Recruitment Status
Completed
Study Start Date
March 2008 (undefined)
Primary Completion Date
March 2009 (Actual)
Study Completion Date
November 2009 (Actual)

3. Sponsor/Collaborators

Name of the Sponsor
Cytos Biotechnology AG

4. Oversight

Data Monitoring Committee
No

5. Study Description

Brief Summary
CYT006-AngQb is a vaccine that induces a B-cell mediated immune response characterized by the generation of specific antibodies (IgG and IgM) against Angiotensin II. The vaccine is administered by subcutaneous injection. The objectives of the study are: To evaluate safety and tolerability of 5 s.c. injections of 300µg CYT006-AngQb with Alhydrogel™ in patients with mild to moderate essential hypertension (hypertension Grade I and II). To assess pharmacodynamic effects, i.e. anti-Ang II immune response and renin- angiotensin system (RAS) biomarkers. To explore the effect on blood pressure using ABPM.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Hypertension
Keywords
mild essential hypertension, moderate essential hypertension

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
60 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
1
Arm Type
Experimental
Arm Title
2
Arm Type
Placebo Comparator
Intervention Type
Biological
Intervention Name(s)
CYT006-AngQb
Intervention Description
s.c.
Intervention Type
Biological
Intervention Name(s)
Placebo
Intervention Description
s.c.
Primary Outcome Measure Information:
Title
Adverse events: quality, quantity, severity
Time Frame
Throughout the study until week 48
Secondary Outcome Measure Information:
Title
Change in daytime, nighttime and 24-hour ambulatory blood pressure from baseline
Time Frame
24 hours
Title
Titer of IgG specific for angiotensin II
Time Frame
Throughout the study untill week 48
Title
Amount of RAS-Biomarkers (plasma renin concentration, angiotensin II, aldosterone)
Time Frame
24 hours

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
69 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Patients with mild to moderate essential hypertension (Grade I and Grade II) with mean sitting office SBP =140-179 mmHg and/or mean sitting office DBP = 90-109 mmHg on 2 consecutive visits (screening and V1). Daytime blood pressure above threshold for definition of hypertension in the screening ABPM measurement (SBP >135 mmHg). Patients without current antihypertensive therapy. Patients on antihypertensive therapy, which can be stopped. 18 to 69 years of age. Male patients, or female patients without childbearing potential . Exclusion Criteria: Patients with "very high added risk" according to 2007 Guidelines for the Management of Arterial Hypertension (Journal of Hypertension, 2007, 25:1105-1187), i.e. those with: grade III hypertension (mean sitting office SBP ≥180mmHg and/or mean sitting DBP≥110mmHg) history or presence of established cardiovascular or renal disease: Ischemic stroke, cerebral hemorrhage, transient ischemic attack Myocardial infarction, angina pectoris, coronary re-vascularization, heart failure Peripheral artery disease Diabetic nephropathy Known autoimmune disease. Severe allergy. Pregnancy or breastfeeding. Women in childbearing age that are not surgically sterilized. Patients with a history or current positive test for HIV infection, AIDS, or other immunosuppressive disorders; hepatitis B or C. Current diagnosis or history of malignancy. Presence of suspicious lymphadenopathy or splenomegaly on physical examination. Drug or alcohol abuse within the past 2 years. Presence or history of relevant cardiovascular, renal, hepatic, pulmonary, endocrine, autoimmune, neurological and psychiatric disease as judged by the investigator. Any current or past disease or conditions (physical or mental) that would, in the opinion of the investigator, interfere with the study procedures or interpretation of the study data (e.g. workers in the night shift). Previous participation in a clinical trial with a Qb based vaccine. Use of an investigational drug within 3 months before enrolment, or planned use during the whole study period. Possible dependency of the patient on sponsor and/or investigator. Planned active immunization 2 weeks before or 2 weeks after any study medication vaccination. Donation or loss >=400 mL of blood within 8 weeks prior to dosing or major surgery within past 2 months.
Facility Information:
Facility Name
CRS Mannheim
City
Mannheim
ZIP/Postal Code
D-68167
Country
Germany
Facility Name
CRS Mönchengladbach
City
Mönchengladbach
ZIP/Postal Code
D-41061
Country
Germany
Facility Name
University Hospital Basel
City
Basel
ZIP/Postal Code
CH-4031
Country
Switzerland
Facility Name
Inselspital
City
Bern
ZIP/Postal Code
CH-3010
Country
Switzerland
Facility Name
Hopital Universitaire Geneve
City
Geneva
ZIP/Postal Code
CH-1211
Country
Switzerland
Facility Name
Med Zentrum Römerhof
City
Zürich
ZIP/Postal Code
CH-8091
Country
Switzerland

12. IPD Sharing Statement

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Study to Evaluate Safety and Tolerability, Pharmacodynamic Effects and Exploratory Efficacy of a Vaccine Against Essential Hypertension

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