EUCTR2014-001295-65-AT进行中（未招募）1 期
A phase IIb, multicentre, randomised, double-blinded (DB), placebo-controlled, single-dose and multi-injection, parallel groups study to evaluate the efficacy and the safety of Ovasave (ovalbumin-specific autologous Treg cells (ova-Treg)) in patients with active refractory Crohn’s Disease (Crohn’s And Treg Study: CATS29) - CATS29
TxCell0 个研究点目标入组 170 人开始时间: 2014年11月19日最近更新:
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 发起方
- 入组人数
- 170
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional clinical trial of medicinal product
入排标准
- 性别
- All
入选标准
- •Patients with active refractory Crohn's Disease, meeting the following criteria:
- •1) Willing and able to provide written Informed Consent (IC);
- •2) Male or Female aged between 18 and 70 (inclusive) years of age;
- •3) Crohn's Disease diagnosis defined as patients with medical history of signs, symptoms and biological evidence of active bowel inflammation:
- •- Documented Magnetic Resonance Imaging (MRI) or endoscopic evidence of inflammatory bowel disease (IBD), compatible with Crohn's diagnosis at least 1 year prior to V1;
- •- Available endoscopy or MRI, performed within 1 year prior to V1. If the one available has more than 1 year at V1 a new exam (endoscopy or MRI) needs to be performed prior V2;
- •4) Documented CDAI (Crohn's Disease Activity Index) = 250 at V1 or within 12 weeks prior to V1;
- •5) Elevated High sensitive C-reactive protein (hs-CRP) > 10 mg/L at V1;
- •6) Calprotectin = 250 µg/g at V1;
- •7) Failure or intolerance to conventional treatments including corticosteroid, immunosuppressant and at least one biologics; and had not responded (primarily failure) or responded and then lost response completely (no response or need to increase the dose / secondary failure) or were intolerant to this therapy at a dose indicated for CD (Refer to Appendix 17.6 for the definition of refractoriness);
- •8) Total white cell count between 4.0.10e9 /L and 10.10e6 /L;
- •9) Platelets between 150.10e9 and 600.10e9 /L (included);
- •10) Hemoglobin between 8.5 g/dL and 16 g/dL;
- •11) Full Blood Count (FBC) and biochemistry without any clinically significant abnormalities except if CD-related, at Investigator's discretion;
- •12) Prothrombin Time (PT) between 70-100% (or International Normalized Ratio (INR) between 0.8 and 1.2) and activated Partial Thromboplastin Time (aPTT) between 0.8 and 1.2 (Ratio);
- •13) Normal, or no clinically significant abnormality in the electrocardiogram (ECG) at Investigator's discretion;
- •14) Patients willing and able to observe an intake of ovalbumin through the ingestion of a meringue (cooked pasteurized egg white with sugar) daily after the first administration until the end of the DB-phase and during the OL-phase if the patient receives additional administration.
- •Additional eligibility criteria for IMP administration:
- •At the Visit 3 (Week -4):
- •1) CDAI = 250;
- •2) Evidence of inflammation by an elevated hs-CRP value (> 5 mg/L);
- •OR elevated calprotectin (= 250 µg/g);
- •OR endoscopic / MRI evidence of local intestinal inflammation (to be confirmed before V4);
- •3) Absence of any of the following conditions:
- •- Concomitant abdominal, perianal or anal undrained abscess;
- •- Actively draining fistula;
- •- Anal or rectal stricture;
- •- Clinically active infection.
- •At Visit 4 (Week 0): Absence of any of the following conditions:
- •- Concomitant abdominal, perianal or anal undrained abscess;
- •- Presence of actively draining fistula;
- •- Clinically active infection.
- •At each subsequent administration visits (V7, V9, V11): Absence of clinically active infection.
- •Are the trial subjects under 18? no
- •Number of subjects for this age range:
- •F.1.2 Adults (18-64 years) yes
- •F.1.2.1 Number of subjects for this age range 157
- •F.1.3 Elderly (>=65 years) yes
- •F.1.3.1 Number of subjects for this age range 13
排除标准
- •Patients presenting with any of the following will not be included in the study:
- •1) Current or recent history (within 1 year prior to V1) of major organ or system failure or condition, acute or chronic that in the opinion of the Investigator should preclude enrolment, except Crohn's Disease;
- •2) Current or previous history of malignancy except a local basal cell carcinoma without metastases;
- •3) History of major immune deficiency disorder, except Crohn's Disease;
- •4) Gamma immunoglobulinaemia < 6 g/L at V1 or any signs or history of major immune deficiency disorder;
- •5) First degree family or personal history of clinically significant venous, arterial or pulmonary thromboembolism events;
- •6) History of thrombocytosis over 600.10e9 / L within 1 year prior to V1;
- •7) History of tuberculosis (TB) except if documentation of adequate compliance to treatment is provided; Test to be performed at V1 if not already done in the 12 weeks prior to V1;
- •8) Concomitant clinically active infection;
- •9) Serious infection (as per definition of sepsis) within 12 weeks prior to V1;
- •10) Opportunistic infections within 6 months (26 weeks) prior to V1;
- •11) Infectious enteritis within 4 weeks prior to V1;
- •12) Evidence or Clostridium difficile at V1;
- •13) History of human immunodeficiency virus (HIV);
- •14) Recent history of contamination by the Epstein-Barr virus (EBV), Cytomegalovirus (CMV) and/or toxoplasma within 6 months (26 weeks) prior to V1; If EBV or CMV positive at V1, virus load will be performed at V2. If positive at V2, virus load will be assessed again at V3. If decrease, and upon discussion with the medical monitor, the patient could continue the study;
- •15) Inflammatory eye disease or pyoderma gangrenosum;
- •16) History of intestinal resection or intra-abdominal surgery within 6 months (26 weeks) prior to V1;
- •17) Patients with ileostomy or colostomy;
- •18) Patients with short bowel syndrome with less than 1.5 m of small bowel;
- •19) Complication of Crohn's Disease such as strictures, stenosis, short gut syndrome, penetrating disease, or any other manifestation that might require surgery, could preclude the use of CDAI to assess response to therapy, or would possibly confound the evaluation of benefit from treatment with Ovasave;
- •20) Intestinal functional fibrotic stricture responsible for the patient's symptoms or previous major gastrointestinal (GI) resection;
- •21) Parenteral nutrition if not compatible with the meringue intake;
- •22) History of documented hypersensitivity or intolerance to chicken eggs;
- •23) History of known hypersensitivity or intolerance to any component of the IMP (Refer to Appendix 17.7 for the composition of the IMP);
- •24) Females of childbearing potential who are either pregnant, breastfeeding or without the use of birth control. Female patients of childbearing potential must have a negative pregnancy test at Screening and must agree to use an acceptable method of birth control with a low failure rate (i.e. less than 1% per year) in a consistent and correct manner for the whole duration of the study treatment period and during 12 weeks following the end of the study treatment period (V13/Week 32). Abstinence, oral birth control pills administered for at least 2 monthly cycles prior to study drug administration, a contraceptive vaginal ring (e.g. NuvaRing or equivalent) or a contraceptive transdermal patch (e.g. EVRA or equivalent) administered for at least 2 monthly cycles prior to study drug administration, an IUD,
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