13 results
8-K
EX-99.1
XBIO
Xenetic Biosciences Inc
13 Sep 21
Regulation FD Disclosure
7:00am
levels ofCD19 receptors on tumorcells CD19 - : initial lack of CD19 receptors on some or all tumorcells
CD19 Escape: Emergence of CD19 - Tumor … ofCD19-positiveB-Cellsdueto priortherapies 2 10-15% Incidence of CD19 escape is expected to increase withgrowing number of anti-CD19treatments
8-K
EX-99.1
XBIO
Xenetic Biosciences Inc
19 Jan 21
Regulation FD Disclosure
8:00am
or all tumor cells
CD19 Escape: Emergence of CD19 - Tumor Cells Resulting from Anti - CD19 Treatments, including CAR T 11 Estimated percentage … of patients who relapse due to CD19 escape 2 ∼ 10 - 50% Of patients have a lower count of CD19 - positive B - Cells due to prior therapies 2 10 - 15
8-K
EX-99.1
hb163g0y8
9 Sep 19
Regulation FD Disclosure
9:28am
425
0krbkgvybuyb
18 Jun 19
Business combination disclosure
8:30am
8-K
EX-99.2
covo5a8g
4 Mar 19
Entry into a Material Definitive Agreement
8:20am
425
EX-99.2
poij32ry c6dp5p
4 Mar 19
Business combination disclosure
8:18am
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