EXHIBIT 10.6 [PAIN THERAPEUTICS, INC. LETTERHEAD] CONSULTING AGREEMENT, SETTLEMENT AGREEMENT AND MUTUAL RELEASE This Consulting Settlement Agreement and Mutual Release ("Agreement") is made by and between Pain Therapeutics, Inc. (the "Company") and...Consulting Agreement, Settlement Agreement and Mutual Release • March 22nd, 2002 • Pain Therapeutics Inc • Pharmaceutical preparations • California
